APPARATUS AND METHOD FOR INTER-BAND PAIRING OF CARRIERS FOR TIME DIVISION DUPLEX TRANSMIT- AND RECEIVE-SWITCHING AND ITS APPLICATION TO MULTIPLEXING OF DIFFERENT TRANSMISSION TIME INTERVALS
First Claim
1. A method of wireless communication operable at a scheduling entity, comprising:
- wirelessly communicating utilizing a first transmission time interval (TTI) over a first carrier, the first carrier being a time division duplex (TDD) carrier; and
wirelessly communicating utilizing a second TTI different from the first TTI and at least partially overlapping the first TTI, over a second carrier paired with the first carrier but separated from the first carrier in frequency.
1 Assignment
0 Petitions
Accused Products
Abstract
Aspects of the present disclosure provide for the pairing of an inter-band carrier with a time division duplex (TDD) carrier. If the paired band is a frequency division duplex (FDD) band, then base stations and mobile devices may transmit and receive additional thin control channels on FDD carriers to enable full duplex operations. If the paired band is a TDD band, then a conjugate or inverse carrier may be used such that full duplex, or a close approximation thereto, is achieved. With the introduction of a paired channel and fast control channels, rapid uplink/downlink switching may be achieved for TDD carriers efficiently and effectively. Other aspects, embodiments, and features are also claimed and described.
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Citations
92 Claims
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1. A method of wireless communication operable at a scheduling entity, comprising:
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wirelessly communicating utilizing a first transmission time interval (TTI) over a first carrier, the first carrier being a time division duplex (TDD) carrier; and wirelessly communicating utilizing a second TTI different from the first TTI and at least partially overlapping the first TTI, over a second carrier paired with the first carrier but separated from the first carrier in frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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2. The method of claim 1, wherein the second TTI is shorter in duration than the first TTI.
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3. The method of claim 1, wherein the second carrier comprises at least one control channel for controlling data transmissions on the first carrier.
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4. The method of claim 3, wherein the second carrier is a frequency division duplex (FDD) carrier.
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5. The method of claim 4, further comprising:
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receiving a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; transmitting an uplink grant to the first subordinate entity on the FDD carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; transmitting a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and receiving the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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6. The method of claim 4, further comprising:
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transmitting a downlink grant to a first subordinate entity on a grant channel on the FDD carrier utilizing the second TTI; and transmitting downlink data corresponding to the downlink grant to the first subordinate entity on the TDD carrier utilizing the second TTI.
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7. The method of claim 6, wherein the transmitting of the downlink grant and the transmitting of the downlink data corresponding to the downlink grant are simultaneous to one another.
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8. The method of claim 6, further comprising:
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suspending a reception of uplink data on the TDD carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and resuming the reception of the uplink data on the TDD carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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9. The method of claim 8, wherein the resuming the reception of the uplink data on the TDD carrier utilizing the first TTI is delayed by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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10. The method of claim 4, further comprising:
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receiving a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; transmitting an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; transmitting a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and receiving the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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11. The method of claim 10, wherein transmitting the grant modification on the FDD carrier and transmitting the downlink data to the first subordinate entity are simultaneous to one another.
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12. The method of claim 10, further comprising:
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suspending a transmission of downlink data on the TDD carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and resuming the transmission of the downlink data on the TDD carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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13. The method of claim 12, wherein the suspending the transmission of the downlink data on the TDD carrier utilizing the first TTI begins at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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14. The method of claim 1, wherein the second carrier is a TDD carrier having a conjugate pairing with the first carrier, wherein at least a portion of time slots in the first carrier are complementary in direction to a direction of time-aligned time slots in the second carrier.
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15. The method of claim 14, further comprising:
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receiving a scheduling request from a first subordinate entity on a feedback channel on the first carrier; transmitting an uplink grant to the first subordinate entity on the second carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; transmitting a grant modification on the second carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and receiving the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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16. The method of claim 14, further comprising:
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transmitting a downlink grant to a first subordinate entity on a grant channel on the second carrier utilizing the second TTI; and transmitting downlink data corresponding to the downlink grant, to the first subordinate entity on the first carrier utilizing the second TTI.
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17. The method of claim 16, wherein the transmitting of the downlink grant and the transmitting of the downlink data corresponding to the downlink grant are simultaneous to one another.
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18. The method of claim 16, further comprising:
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suspending a transmission of downlink data on the first carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and resuming the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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19. The method of claim 18, wherein the resuming the transmission of the downlink data on the first carrier utilizing the first TTI is delayed by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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20. The method of claim 14, further comprising:
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receiving a scheduling request from a first subordinate entity on a feedback channel on the second carrier; transmitting an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; transmitting a grant modification on the first carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and receiving the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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21. The method of claim 20, wherein transmitting the grant modification on the first carrier and transmitting the downlink data to the first subordinate entity are simultaneous to one another.
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22. The method of claim 20, further comprising:
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suspending a transmission of downlink data on the first carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and resuming the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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23. The method of claim 22, wherein the suspending the transmission of the downlink data on the first carrier utilizing the first TTI begins at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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2. The method of claim 1, wherein the second TTI is shorter in duration than the first TTI.
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24. A scheduling entity configured for wireless communication, comprising:
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at least one processor; a computer-readable medium communicatively coupled to the at least one processor; and a transceiver communicatively coupled to the at least one processor, wherein the at least one processor is configured to; utilize the transceiver to wirelessly communicate utilizing a first transmission time interval (TTI) over a first carrier, the first carrier being a time division duplex (TDD) carrier; and utilize the transceiver to wirelessly communicate utilizing a second TTI different from the first TTI and at least partially overlapping the first TTI, over a second carrier paired with the first carrier but separated from the first carrier in frequency. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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25. The scheduling entity of claim 24, wherein the second TTI is shorter in duration than the first TTI.
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26. The scheduling entity of claim 24, wherein the second carrier comprises at least one control channel for controlling data transmissions on the first carrier.
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27. The scheduling entity of claim 26, wherein the second carrier is a frequency division duplex (FDD) carrier.
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28. The scheduling entity of claim 27, wherein the at least one processor is further configured to:
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utilize the transceiver to receive a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; utilize the transceiver to transmit an uplink grant to the first subordinate entity on the FDD carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; utilize the transceiver to transmit a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and utilize the transceiver to receive the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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29. The scheduling entity of claim 27, wherein the at least one processor is further configured to:
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utilize the transceiver to transmit a downlink grant to a first subordinate entity on a grant channel on the FDD carrier utilizing the second TTI; and utilize the transceiver to transmit downlink data corresponding to the downlink grant to the first subordinate entity on the TDD carrier utilizing the second TTI.
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30. The scheduling entity of claim 29, wherein the at least one processor is further configured to utilize the transceiver to transmit the downlink grant and to transmit the downlink data corresponding to the downlink grant simultaneous to one another.
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31. The scheduling entity of claim 29, wherein the at least one processor is further configured to:
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suspend a reception of uplink data on the TDD carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and resume the reception of the uplink data on the TDD carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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32. The scheduling entity of claim 31, wherein the at least one processor is further configured to delay the resuming of the reception of the uplink data on the TDD carrier utilizing the first TTI, by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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33. The scheduling entity of claim 27, wherein the at least one processor is further configured to:
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utilize the transceiver to receive a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; utilize the transceiver to transmit an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; utilize the transceiver to transmit a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and utilize the transceiver to receive the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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34. The scheduling entity of claim 33, wherein the at least one processor is further configured to utilize the transceiver to transmit the grant modification on the FDD carrier and to transmit the downlink data to the first subordinate entity simultaneous to one another.
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35. The scheduling entity of claim 33, wherein the at least one processor is further configured to:
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suspend a transmission of downlink data on the TDD carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and utilize the transceiver to resume the transmission of the downlink data on the TDD carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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36. The scheduling entity of claim 35, wherein the at least one processor is further configured to suspend the transmission of the downlink data on the TDD carrier utilizing the first TTI beginning at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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37. The scheduling entity of claim 24, wherein the second carrier is a TDD carrier having a conjugate pairing with the first carrier, wherein at least a portion of time slots in the first carrier are complementary in direction to a direction of time-aligned time slots in the second carrier.
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38. The scheduling entity of claim 37, wherein the at least one processor is further configured to:
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utilize the transceiver to receive a scheduling request from a first subordinate entity on a feedback channel on the first carrier; utilize the transceiver to transmit an uplink grant to the first subordinate entity on the second carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; utilize the transceiver to transmit a grant modification on the second carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and utilize the transceiver to receive the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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39. The scheduling entity of claim 37, wherein the at least one processor is further configured to:
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utilize the transceiver to transmit a downlink grant to a first subordinate entity on a grant channel on the second carrier utilizing the second TTI; and utilize the transceiver to transmit downlink data corresponding to the downlink grant, to the first subordinate entity on the first carrier utilizing the second TTI.
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40. The scheduling entity of claim 39, wherein the at least one processor is further configured to utilize the transceiver to transmit the downlink grant and to transmit the downlink data corresponding to the downlink grant simultaneous to one another.
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41. The scheduling entity of claim 39, wherein the at least one processor is further configured to:
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suspend a transmission of downlink data on the first carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and utilize the transceiver to resume the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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42. The scheduling entity of claim 41, wherein the at least one processor is further configured to delay resuming the transmission of the downlink data on the first carrier utilizing the first TTI, by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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43. The scheduling entity of claim 37, wherein the at least one processor is further configured to:
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utilize the transceiver to receive a scheduling request from a first subordinate entity on a feedback channel on the second carrier; utilize the transceiver to transmit an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; utilize the transceiver to transmit a grant modification on the first carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and utilize the transceiver to receive the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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44. The scheduling entity of claim 43, wherein at least one processor is further configured to utilize the transceiver to transmit the grant modification on the first carrier and to transmit the downlink data to the first subordinate entity simultaneous to one another.
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45. The scheduling entity of claim 43, wherein the at least one processor is further configured to:
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suspend a transmission of downlink data on the first carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and utilize the transceiver to resume the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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46. The scheduling entity of claim 45, wherein the at least one processor is further configured to suspend the transmission of the downlink data on the first carrier utilizing the first TTI beginning at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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25. The scheduling entity of claim 24, wherein the second TTI is shorter in duration than the first TTI.
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47. A scheduling entity configured for wireless communication, comprising:
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means for wirelessly communicating utilizing a first transmission time interval (TTI) over a first carrier, the first carrier being a time division duplex (TDD) carrier; and means for wirelessly communicating utilizing a second TTI different from the first TTI and at least partially overlapping the first TTI, over a second carrier paired with the first carrier but separated from the first carrier in frequency. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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48. The scheduling entity of claim 47, wherein the second TTI is shorter in duration than the first TTI.
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49. The scheduling entity of claim 47, wherein the second carrier comprises at least one control channel for controlling data transmissions on the first carrier.
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50. The scheduling entity of claim 49, wherein the second carrier is a frequency division duplex (FDD) carrier.
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51. The scheduling entity of claim 50, further comprising:
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means for receiving a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; means for transmitting an uplink grant to the first subordinate entity on the FDD carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; means for transmitting a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and means for receiving the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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52. The scheduling entity of claim 50, further comprising:
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means for transmitting a downlink grant to a first subordinate entity on a grant channel on the FDD carrier utilizing the second TTI; and means for transmitting downlink data corresponding to the downlink grant to the first subordinate entity on the TDD carrier utilizing the second TTI.
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53. The scheduling entity of claim 52, wherein the means for transmitting the downlink grant and the means for transmitting of the downlink data corresponding to the downlink grant are configured to transmit the downlink grant and the downlink data simultaneous to one another.
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54. The scheduling entity of claim 52, further comprising:
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means for suspending a reception of uplink data on the TDD carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and means for resuming the reception of the uplink data on the TDD carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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55. The scheduling entity of claim 54, wherein the means for resuming the reception of the uplink data on the TDD carrier utilizing the first TTI is configured to delay the resuming by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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56. The scheduling entity of claim 50, further comprising:
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means for receiving a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; means for transmitting an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; means for transmitting a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and means for receiving the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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57. The scheduling entity of claim 56, wherein means for transmitting the grant modification on the FDD carrier and the means for transmitting the downlink data to the first subordinate entity are configured to transmit the grant modification and the downlink data simultaneous to one another.
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58. The scheduling entity of claim 56, further comprising:
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means for suspending a transmission of downlink data on the TDD carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and means for resuming the transmission of the downlink data on the TDD carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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59. The scheduling entity of claim 58, wherein the means for suspending the transmission of the downlink data on the TDD carrier utilizing the first TTI is configured to begin the suspending at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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60. The scheduling entity of claim 47, wherein the second carrier is a TDD carrier having a conjugate pairing with the first carrier, wherein at least a portion of time slots in the first carrier are complementary in direction to a direction of time-aligned time slots in the second carrier.
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61. The scheduling entity of claim 60, further comprising:
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means for receiving a scheduling request from a first subordinate entity on a feedback channel on the first carrier; means for transmitting an uplink grant to the first subordinate entity on the second carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; means for transmitting a grant modification on the second carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and means for receiving the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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62. The scheduling entity of claim 60, further comprising:
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means for transmitting a downlink grant to a first subordinate entity on a grant channel on the second carrier utilizing the second TTI; and means for transmitting downlink data corresponding to the downlink grant, to the first subordinate entity on the first carrier utilizing the second TTI.
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63. The scheduling entity of claim 62, wherein the means for transmitting the downlink grant and the means for transmitting the downlink data corresponding to the downlink grant are configured to transmit the downlink grant and the downlink data simultaneous to one another.
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64. The scheduling entity of claim 62, further comprising:
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means for suspending a transmission of downlink data on the first carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and means for resuming the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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65. The scheduling entity of claim 64, wherein the means for resuming the transmission of the downlink data on the first carrier utilizing the first TTI is configured to delay the resuming by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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66. The scheduling entity of claim 60, further comprising:
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means for receiving a scheduling request from a first subordinate entity on a feedback channel on the second carrier; means for transmitting an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; means for transmitting a grant modification on the first carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and means for receiving the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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67. The scheduling entity of claim 66, wherein means for transmitting the grant modification on the first carrier and the means for transmitting the downlink data to the first subordinate entity are configured to transmit the grant modification and the downlink data simultaneous to one another.
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68. The scheduling entity of claim 66, further comprising:
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means for suspending a transmission of downlink data on the first carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and means for resuming the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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69. The scheduling entity of claim 68, wherein the means for suspending the transmission of the downlink data on the first carrier utilizing the first TTI is configured to begin the suspending at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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48. The scheduling entity of claim 47, wherein the second TTI is shorter in duration than the first TTI.
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70. A computer-readable medium storing computer-executable code, at a scheduling entity configured for wireless communication, comprising:
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instructions for causing a computer to wirelessly communicate utilizing a first transmission time interval (TTI) over a first carrier, the first carrier being a time division duplex (TDD) carrier; and instructions for causing a computer to wirelessly communicate utilizing a second TTI different from the first TTI and at least partially overlapping the first TTI, over a second carrier paired with the first carrier but separated from the first carrier in frequency. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92)
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71. The computer-readable medium of claim 70, wherein the second TTI is shorter in duration than the first TTI.
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72. The computer-readable medium of claim 70, wherein the second carrier comprises at least one control channel for controlling data transmissions on the first carrier.
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73. The computer-readable medium of claim 72, wherein the second carrier is a frequency division duplex (FDD) carrier.
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74. The computer-readable medium of claim 73, further comprising:
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instructions for causing a computer to receive a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; instructions for causing a computer to transmit an uplink grant to the first subordinate entity on the FDD carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; instructions for causing a computer to transmit a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and instructions for causing a computer to receive the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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75. The computer-readable medium of claim 73, further comprising:
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instructions for causing a computer to transmit a downlink grant to a first subordinate entity on a grant channel on the FDD carrier utilizing the second TTI; and instructions for causing a computer to transmit downlink data corresponding to the downlink grant to the first subordinate entity on the TDD carrier utilizing the second TTI.
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76. The computer-readable medium of claim 75, wherein the instructions for causing a computer to transmit the downlink grant and the instructions for causing a computer to transmit of the downlink data corresponding to the downlink grant are configured to cause the computer to transmit the downlink grant and the downlink data simultaneous to one another.
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77. The computer-readable medium of claim 75, further comprising:
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instructions for causing a computer to suspend a reception of uplink data on the TDD carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and instructions for causing a computer to resume the reception of the uplink data on the TDD carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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78. The computer-readable medium of claim 77, wherein the instructions for causing a computer to resume the reception of the uplink data on the TDD carrier utilizing the first TTI is configured to delay the resumption by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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79. The computer-readable medium of claim 73, further comprising:
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instructions for causing a computer to receive a scheduling request from a first subordinate entity on a feedback channel on the FDD carrier; instructions for causing a computer to transmit an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the TDD carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; instructions for causing a computer to transmit a grant modification on the FDD carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and instructions for causing a computer to receive the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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80. The computer-readable medium of claim 79, wherein instructions for causing a computer to transmit the grant modification on the FDD carrier and the instructions for causing a computer to transmit the downlink data to the first subordinate entity are configured to transmit the grant modification and the downlink data simultaneous to one another.
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81. The computer-readable medium of claim 79, further comprising:
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instructions for causing a computer to suspend a transmission of downlink data on the TDD carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and instructions for causing a computer to resume the transmission of the downlink data on the TDD carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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82. The computer-readable medium of claim 81, wherein the instructions for causing a computer to suspend the transmission of the downlink data on the TDD carrier utilizing the first TTI are configured to begin the suspension at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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83. The computer-readable medium of claim 70, wherein the second carrier is a TDD carrier having a conjugate pairing with the first carrier, wherein at least a portion of time slots in the first carrier are complementary in direction to a direction of time-aligned time slots in the second carrier.
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84. The computer-readable medium of claim 83, further comprising:
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instructions for causing a computer to receive a scheduling request from a first subordinate entity on a feedback channel on the first carrier; instructions for causing a computer to transmit an uplink grant to the first subordinate entity on the second carrier in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink transmission by the first subordinate entity utilizing the second TTI; instructions for causing a computer to transmit a grant modification on the second carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for an uplink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and instructions for causing a computer to receive the uplink transmission from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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85. The computer-readable medium of claim 83, further comprising:
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instructions for causing a computer to transmit a downlink grant to a first subordinate entity on a grant channel on the second carrier utilizing the second TTI; and instructions for causing a computer to transmit downlink data corresponding to the downlink grant, to the first subordinate entity on the first carrier utilizing the second TTI.
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86. The computer-readable medium of claim 85, wherein the instructions for causing a computer to transmit the downlink grant and the instructions for causing a computer to transmit the downlink data corresponding to the downlink grant are configured to transmit the downlink grant and the downlink data simultaneous to one another.
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87. The computer-readable medium of claim 85, further comprising:
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instructions for causing a computer to suspend a transmission of downlink data on the first carrier utilizing the first TTI while transmitting the downlink data corresponding to the downlink grant utilizing the second TTI; and instructions for causing a computer to resume the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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88. The computer-readable medium of claim 87, wherein the instructions for causing a computer to resume the transmission of the downlink data on the first carrier utilizing the first TTI are configured to delay the resumption by a guard time after the completion of the transmitting downlink data corresponding to the downlink grant utilizing the second TTI.
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89. The computer-readable medium of claim 83, further comprising:
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instructions for causing a computer to receive a scheduling request from a first subordinate entity on a feedback channel on the second carrier; instructions for causing a computer to transmit an uplink grant to the first subordinate entity in response to the scheduling request, the uplink grant configured to identify granted resources on the first carrier for an uplink data transmission by the first subordinate entity utilizing the second TTI; instructions for causing a computer to transmit a grant modification on the first carrier, the grant modification configured to modify an existing grant of resources for at least one subordinate entity for a downlink data transmission utilizing the first TTI in accordance with the uplink grant to the first subordinate entity; and instructions for causing a computer to receive the uplink data from the first subordinate entity utilizing the second TTI in accordance with the uplink grant.
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90. The computer-readable medium of claim 89, wherein instructions for causing a computer to transmit the grant modification on the first carrier and the instructions for causing a computer to transmit the downlink data to the first subordinate entity are configured to transmit the grant modification and the downlink data simultaneous to one another.
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91. The computer-readable medium of claim 89, further comprising:
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instructions for causing a computer to suspend a transmission of downlink data on the first carrier utilizing the first TTI while receiving the uplink data corresponding to the uplink grant utilizing the second TTI; and instructions for causing a computer to resume the transmission of the downlink data on the first carrier utilizing the first TTI after completion of the receiving uplink data corresponding to the uplink grant utilizing the second TTI.
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92. The computer-readable medium of claim 91, wherein the instructions for causing a computer to suspend the transmission of the downlink data on the first carrier utilizing the first TTI are configured to begin the suspension at a guard time duration prior to a start of the receiving the uplink data corresponding to the uplink grant utilizing the second TTI.
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71. The computer-readable medium of claim 70, wherein the second TTI is shorter in duration than the first TTI.
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Specification
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Current AssigneeQualcomm, Inc.
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Original AssigneeQualcomm, Inc.
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InventorsJi, Tingfang, Smee, John Edward, Soriaga, Joseph Binamira, Bhushan, Naga, Gaal, Peter, Gorokhov, Alexei Yurievitch, Mukkavilli, Krishna Kiran, Ang, Peter, Howard, Michael Alexander, Cooper, Rotem
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current1/1
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CPC Class CodesH04B 7/2615 using hybrid frequency-time...H04L 1/08 by repeating transmission, ...H04L 5/0005 Time-frequencyH04L 5/001 the frequencies being arran...H04L 5/14 Two-way operation using the...H04L 5/1469 using time-sharingH04L 5/22 using time-division multipl...H04L 5/26 combined with the use of di...H04W 72/0446 Resources in time domain, e...H04W 72/0453 Resources in frequency doma...H04W 72/23 in the downlink direction o...H04W 72/535 based on resource usage pol...H04W 76/15 Setup of multiple wireless ...