Communicating subframe timing of an access point on a shared communication medium
First Claim
Patent Images
1. A method of indicating a system timing of an access point, comprising:
- determining a subframe index value of a particular subframe (SF) relative to the system timing of the access point;
determining a subframe offset value based on the subframe index value;
indicating the subframe offset value using a Discovery Reference Signal (DRS); and
transmitting the DRS to at least one access terminal during the particular SF,wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and indicating the subframe offset value using the DRS comprises;
selecting a redundancy version value that is equal to the subframe offset value; and
generating a redundancy version of the PBCH payload based on the selected redundancy version value.
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Abstract
Techniques for indicating and determining a subframe timing of an access point on a shared communication medium are disclosed. A method of transmitting a discovery reference signal (DRS) may include establishing a transmission timing for transmission of the DRS relative to a system timing of an access point, determining whether to transmit the DRS during a particular SF based on the selected DRS transmission window, and transmitting the DRS to at least one access terminal during the particular SF in response to a determination to transmit the DRS.
16 Citations
52 Claims
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1. A method of indicating a system timing of an access point, comprising:
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determining a subframe index value of a particular subframe (SF) relative to the system timing of the access point; determining a subframe offset value based on the subframe index value; indicating the subframe offset value using a Discovery Reference Signal (DRS); and transmitting the DRS to at least one access terminal during the particular SF, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and indicating the subframe offset value using the DRS comprises; selecting a redundancy version value that is equal to the subframe offset value; and generating a redundancy version of the PBCH payload based on the selected redundancy version value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for indicating a system timing of an access point, comprising:
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a transceiver configured to transmit a Discovery Reference Signal (DRS) to at least one access terminal during a particular subframe (SF); memory and at least one processor coupled to the memory, the processor being configured to; determine a subframe index value of the particular SF relative to the system timing of the access point; determine a subframe offset value based on the subframe index value; and indicate the subframe offset value using the DRS, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and to indicate the subframe offset value using the DRS, the processor is configured to; select a redundancy version value that is equal to the subframe offset value; and generate a redundancy version of the PBCH payload based on the selected redundancy version value. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus for indicating a system timing of an access point, comprising:
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means for determining a subframe index value of a particular subframe (SF) relative to the system timing of the access point; means for determining a subframe offset value based on the subframe index value; means for indicating the subframe offset value using a Discovery Reference Signal (DRS); and means for transmitting the DRS to at least one access terminal during the particular SF, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and means for indicating the subframe offset value using the DRS comprises; means for selecting a redundancy version value that is equal to the subframe offset value; and means for generating a redundancy version of the PBCH payload based on the selected redundancy version value. - View Dependent Claims (20, 21, 22)
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23. A non-transitory computer-readable medium including code, which, when executed by a processor, causes the processor to perform operations, the non-transitory computer-readable medium comprising:
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code for determining a subframe index value of a particular subframe (SF) relative to a system timing of an access point; code for determining a subframe offset value based on the subframe index value; code for indicating the subframe offset value using a Discovery Reference Signal (DRS); and code for transmitting the DRS to at least one access terminal during the particular SF, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and code for indicating the subframe offset value using the DRS comprises; code for selecting a redundancy version value that is equal to the subframe offset value; and code for generating a redundancy version of the PBCH payload based on the selected redundancy version value. - View Dependent Claims (24, 25, 26)
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27. A method of determining a system timing of an access point, comprising:
- receiving a Discovery Reference Signal (DRS) from the access point during a particular subframe (SF);
determining a subframe offset value based on the DRS; determining a subframe index value of the particular SF relative to the system timing of the access point, based on the determined subframe offset value; and resolving the system timing of the access point based on the determined subframe index value, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and determining the subframe offset value based on the DRS comprises; determining a redundancy version value of the PBCH payload; and determining the subframe offset value based on the determined redundancy version value. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
- receiving a Discovery Reference Signal (DRS) from the access point during a particular subframe (SF);
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36. An apparatus for determining a system timing of an access point, comprising:
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a transceiver configured to receive a Discovery Reference Signal (DRS) from an access point during a particular subframe (SF); memory and at least one processor coupled to the memory, the processor being configured to; determine a subframe offset value based on the DRS; determine a subframe index value of the particular SF relative to the system timing of the access point, based on the determined subframe offset value; and resolve the system timing of the access point based on the determined subframe index value, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and to determine the subframe offset value based on the DRS, the processor is configured to; determine a redundancy version value of the PBCH payload; and determine the subframe offset value based on the determined redundancy version value. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44)
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45. An apparatus for determining a system timing of an access point, comprising:
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means for receiving a Discovery Reference Signal (DRS) from an access point during a particular subframe (SF); means for determining a subframe offset value based on the DRS; means for determining a subframe index value of the particular SF relative to the system timing of the access point, based on the determined subframe offset value; and means for resolving the system timing of the access point based on the determined subframe index value, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and means for determining the subframe offset value based on the DRS comprises; means for determining a redundancy version value of the PBCH payload; and means for determining the subframe offset value based on the determined redundancy version value. - View Dependent Claims (46, 47, 48)
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49. A non-transitory computer-readable medium including code, which, when executed by a processor, causes the processor to perform operations, the non-transitory computer-readable medium comprising:
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code for receiving a Discovery Reference Signal (DRS) from an access point during a particular subframe (SF); code for determining a subframe offset value based on the DRS; code for determining a subframe index value of the particular SF relative to the system timing of the access point, based on the determined subframe offset value; and code for resolving the system timing of the access point based on the determined subframe index value, wherein the DRS includes a Physical Broadcast Channel (PBCH) payload that is configured to be generated in accordance with a plurality of redundancy versions, each redundancy version of the plurality of redundancy versions being associated with a particular redundancy version value, and code for determining the subframe offset value based on the DRS comprises; code for determining a redundancy version value of the PBCH payload; and code for determining the subframe offset value based on the determined redundancy version value. - View Dependent Claims (50, 51, 52)
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Specification