COMMUNICATION METHOD AND APPARATUS FOR CONTROLLING DATA TRANSMISSION AND RETRANSMISSION OF MOBILE STATION AT BASE STATION

• US 20150071264A1
• Filed: 09/18/2014
• Published: 03/12/2015
• Est. Priority Date: 08/10/2007
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Alcatel-Lucent SA (Nokia Corporation)
• Inventors: Yang, Tao, You, Mingli
• Granted Patent: US 10,110,351 B2
• Time in Patent Office: Days
• US Class Current: 370/336
• CPC Class Codes: H04L 1/0025 Transmission of mode-switching indication
• CPC Class Codes: H04L 1/0079 Formats for control data H04L1/16 takes precedence; training sequences H04L25/00 and H04L27/00
• CPC Class Codes: H04L 1/1607 Details of the supervisory signal
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network

Abstract

Disclosed is a communication method for controlling data transmission of a mobile station at a base station. The method comprises the steps of: determining, by the base station, a transmission operation to be performed by the mobile station in next transmission time interval based on HARQ and schedule result; sending, in a downlink by the base station, an ACK/NACK packet, an indicator indicating the type of the transmission by the mobile station and a resource use command for the used resource based on the determined transmission operation; receiving, by the mobile station, the ACK/NACK packet, the indicator and the resource use command sent from the base station, and performing respective transmission operations according to the received ACK/NACK packet, indicator and resource use command without using any data-associated signaling in an uplink.

Claims

1. A communication method for controlling data transmission of a mobile station, the method comprising:

determining, by the base station, based on error control, a transmission operation to be performed by the mobile station; and

sending, in a downlink by the base station, an acknowledgement or negative acknowledgement, an indicator indicating the type of the transmission by the mobile station and a resource use command for resource utilization associated with the determined transmission operation.

2. The communication method of claim 1, further comprising:

if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to transmit new data packet to the base station by utilizing a previously used resource, sending, by the base station to the mobile station, an acknowledgement, the indicator, and a resource use command indicating that the size of resource is equal to that of the previously used resource.

3. The communication method of claim 2, further comprising:

transmitting, by the mobile station, a new data packet to the base station by utilizing the previously used resource when the mobile station receives from the base station the acknowledgement, the indicator, and the resource use command indicating that the size of resource is equal to that of the previously used resource.

4. The communication method of claim 1, further comprising:

if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to transmit a new data packet to the base station by utilizing newly allocated resource, sending, by the base station to the mobile station, an acknowledgement, the indicator, and a resource use command for using a new resource.

5. The communication method of claim 4, further comprising:

transmitting, by the mobile station, new data packet to the base station by utilizing the newly allocated resource when the mobile station receives from the base station the acknowledgement, the indicator, and the resource use command for using the new resource.

6. The communication method of claim 1, further comprising:

sending only an acknowledgement from the base station to the mobile station if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to stop transmission operation.

7. The communication method of claim 6, further comprising:

stopping the transmission operation at the mobile station when the mobile station receives only the acknowledgement from the base station.

8. The communication method of claim 1, further comprising:

sending only an negative acknowledgement from the base station to the mobile station if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has not been reached, and the base station requests the mobile station to retransmit data packet by utilizing previously used resource.

9. The communication method of claim 8, further comprising:

retransmitting, by the mobile station, the previously transmitted data to the base station by utilizing the previously used resource when the mobile station receives only the negative acknowledgement from the base station and determines that the retransmission limit number has not been reached.

10. The communication method of claim 1, further comprising:

sending, from the base station to the mobile station, a negative acknowledgement, the indicator and a resource use command for using a new resource if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has not been reached, and the base station requests the mobile station to retransmit data packet by utilizing a newly allocated resource.

11. The communication method of claim 10, further comprising:

retransmitting, by the mobile station, previously transmitted data to the base station by utilizing the newly allocated resource when the mobile station receives from the base station the negative acknowledgement, the indicator and the resource use command for using new resource, and determines that the retransmission limit number has not been reached.

12. The communication method of claim 1, further comprising:

sending, from the base station to the mobile station, an negative acknowledgement, the indicator and a resource use command indicating that the size of resource is equal to that of previously used resource if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to transmit new data packet by utilizing the previously used resource.

13. The communication method of claim 12, further comprising:

transmitting, by the mobile station, new data packet to the base station by utilizing the previously used resource when the mobile station receives from the base station the negative acknowledgement, the indicator and the resource use command indicating that the size of resource is equal to that of previously used resource, and determines that the retransmission limit number has been reached.

14. The communication method of claim 1, further comprising:

sending, from the base station to the mobile station, an negative acknowledgement, the indicator and a resource use command for using a new resource allocation if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to transmit new data by utilizing the newly allocated resource.

15. The communication method of claim 14, further comprising:

transmitting, by the mobile station, new data to the base station by utilizing the newly allocated resource when the mobile station receives the negative acknowledgement, the indicator and the resource use command from the base station, and determines that the retransmission limit number has been reached.

16. The communication method of claim 1, further comprising:

sending only a negative acknowledgement from the base station to the mobile station if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to stop transmission operation.

17. The communication method of claim 16, further comprising:

stopping the transmission operation at the mobile station when the mobile station receives only the negative acknowledgement from the base station and determines that the retransmission limit number has been reached.

21. The communication method of claim 1 wherein the determining, by the base station, based on error control, comprises:

determining, a transmission operation to be performed by the mobile station in next transmission time interval based on Hybrid Automatic Repeat reQuest (HARQ) and a schedule result; and

wherein the sending comprises sending, in a downlink an HARQ Acknowledgement/Negative Acknowledgement (ACK/NACK), the indicator indicating the type of the transmission by the mobile station and the resource use command.

18. A base station used in a wireless communication system, the base station comprising:

an input unit for receiving scheduler input signals, retransmission limit number and acknowledgement and negative acknowledgement information;

a control unit for determining a transmission operation to be performed by a mobile station, an indicator indicating the type of the transmission by the mobile station, and a resource use command resource utilization associated with the determined transmission operation; and

an output unit for sending in a downlink a variety of instructions formed by the control unit.

19. The base station of claim 18, wherein the indicator indicating the type of the transmission is transmitted in a single signaling as additional information included with the resource use command for the used resource.

20. A mobile station used in a wireless communication system, the mobile station comprising:

an input unit for receiving a resource use command, an indicator indicating a transmission type and downlink error control signaling including acknowledgement and negative acknowledgement signaling from an associated base station, and to provide the received resource use command, indicator indicating a transmission type and downlink error control signaling to at least one other unit of the mobile station;

a control unit for controlling the mobile station to perform a transmission operation corresponding to a downlink instruction received from the base station based on information provided from the input unit including the received resource use command, the indicator indicating a transmission type and the downlink error control signaling; and

an output unit for transmitting data by using previously used resource or a newly allocated resource according to a control signal from the control unit based at least on the received resource use command, the indicator indicating a transmission type and the downlink error control signaling.

22. A communication method performed by a base station for controlling data transmission of a mobile station, the method comprising:

determining, based on error control, a transmission operation to be performed by the mobile station; and

sending, in a downlink, an acknowledgement or negative acknowledgement, an indicator indicating type of transmission by the mobile station and a resource use command for resource utilization associated with the determined transmission operation.

23. The communication method of claim 22, further comprising:

if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to transmit new data packet to the base station by utilizing a previously used resource, sending, by the base station to the mobile station, an acknowledgement, the indicator, and a resource use command indicating that the size of resource is equal to that of the previously used resource.

24. The communication method of claim 22, further comprising:

if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to transmit a new data packet to the base station by utilizing newly allocated resource, sending, by the base station to the mobile station, an acknowledgement, the indicator, and a resource use command for using a new resource.

25. The communication method of claim 22, further comprising:

sending only an acknowledgement from the base station to the mobile station if the base station determines a correct reception of the data transmitted from the mobile station, and requests the mobile station to stop transmission operation.

26. The communication method of claim 22, further comprising:

sending only an negative acknowledgement from the base station to the mobile station if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has not been reached, and the base station requests the mobile station to retransmit data packet by utilizing previously used resource.

27. The communication method of claim 22, further comprising:

sending, from the base station to the mobile station, a negative acknowledgement, the indicator and a resource use command for using a new resource if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has not been reached, and the base station requests the mobile station to retransmit data packet by utilizing a newly allocated resource.

28. The communication method of claim 22, further comprising:

sending, from the base station to the mobile station, an negative acknowledgement, the indicator and a resource use command indicating that the size of resource is equal to that of previously used resource if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to transmit new data packet by utilizing the previously used resource.

29. The communication method of claim 22, further comprising:

sending, from the base station to the mobile station, an negative acknowledgement, the indicator and a resource use command for using a new resource allocation if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to transmit new data by utilizing the newly allocated resource.

30. The communication method of claim 22, further comprising:

sending only a negative acknowledgement from the base station to the mobile station if the base station determines an incorrect reception of the data transmitted from the mobile station, a retransmission limit number for the mobile station has been reached, and the base station requests the mobile station to stop transmission operation.

31. A communication method performed by a mobile station for controlling data transmission, the method comprising:

receiving, in a downlink, an acknowledgement or negative acknowledgement, an indicator indicating type of transmission and a resource use command associated with a transmission operation; and

performing the transmission operation which includes transmitting either new data or retransmit data, according to the received indicator, by utilizing either a previously used resource or a newly allocated resource, according to the received resource use command.

32. The communication method of claim 31, further comprising:

transmitting, by the mobile station, a new data packet to the base station by utilizing the previously used resource when the mobile station receives from the base station the acknowledgement, the indicator, and the resource use command indicating that the size of resource is equal to that of the previously used resource.

33. The communication method of claim 31, further comprising:

transmitting, by the mobile station, a new data packet to the base station by utilizing a newly allocated resource when the mobile station receives from the base station the acknowledgement, the indicator, and a resource use command for using the new resource.

34. The communication method of claim 31, further comprising:

stopping the transmission operation at the mobile station when the mobile station receives only an acknowledgement from the base station.

35. The communication method of claim 31, further comprising:

retransmitting, by the mobile station, previously transmitted data to the base station by utilizing a previously used resource when the mobile station receives only the negative acknowledgement from the base station and determines that a retransmission limit number has not been reached.

36. The communication method of claim 31, further comprising:

retransmitting, by the mobile station, previously transmitted data to the base station by utilizing newly allocated resource when the mobile station receives from the base station the negative acknowledgement, the indicator and the resource use command for using a new resource, and determines that a retransmission limit number has not been reached.

37. The communication method of claim 31, further comprising:

transmitting, by the mobile station, new data packet to the base station by utilizing a previously used resource when the mobile station receives from the base station the negative acknowledgement, the indicator and the resource use command indicating that the size of resource is equal to that of the previously used resource, and determines that a retransmission limit number has been reached.

38. The communication method of claim 31, further comprising:

transmitting, by the mobile station, new data to the base station by utilizing a newly allocated resource when the mobile station receives the negative acknowledgement, the indicator and the resource use command from the base station, and determines that a retransmission limit number has been reached.

39. The communication method of claim 31, further comprising:

stopping the transmission operation at the mobile station when the mobile station receives only the negative acknowledgement from the base station and determines that a retransmission limit number has been reached.