Assignment acknowledgement for a wireless communication system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-005/00
H04W-072/00
H04W-072/14
H04L-005/02
출원번호
US-0370638
(2006-03-07)
등록번호
US-8879511
(2014-11-04)
발명자
/ 주소
Agrawal, Avneesh
Khandekar, Aamod
Gorokhov, Alexei
출원인 / 주소
QUALCOMM Incorporated
대리인 / 주소
Kordich, Donald C.
인용정보
피인용 횟수 :
11인용 특허 :
373
초록
A method, apparatus, and channel structure for acknowledging assignment messages is provided. The method and apparatus allow for efficient signaling based upon the resources.
대표청구항▼
1. An apparatus comprising: at least one processor configured to determine a message type for a message that is being acknowledged;assign a channel identification based upon the message type, wherein the channel identification comprises a numerical identifier of one of a plurality of numerical ident
1. An apparatus comprising: at least one processor configured to determine a message type for a message that is being acknowledged;assign a channel identification based upon the message type, wherein the channel identification comprises a numerical identifier of one of a plurality of numerical identifiers that range from a lowest to a highest numerical value; andmap an acknowledgment to resources for a signaling channel that punctures traffic channels based upon the channel identification; anda memory coupled to the at least one processor,wherein the acknowledgment corresponds to the message that is being acknowledged,wherein the at least one processor is further configured to assign the highest available channel identification to acknowledgements of assignment messages, andwherein at least two channel identifications are available. 2. The apparatus of claim 1, wherein the at least one processor is configured to assign a lowest available channel identification to acknowledgments of data messages. 3. The apparatus of claim 1, wherein the at least one processor is configured to spread the acknowledgment with a spreading code, and to map the spread acknowledgment to the resources for the signaling channel. 4. The apparatus of claim 1, wherein the at least one processor is configured to map an acknowledgment message to resources comprising multiple time-frequency segments. 5. The apparatus of claim 4, wherein the multiple time-frequency segments cover different frequency subcarriers. 6. The apparatus of claim 1, wherein the resources comprise multiple time-frequency segments that each comprise multiple clusters, and wherein the at least one processor is configured to map an acknowledgment message to a cluster in each of the multiple time-frequency segments. 7. The apparatus of claim 1, wherein the at least one processor is configured to determine the resources for the signaling channel based on a frequency hopping pattern. 8. The apparatus of claim 1, wherein the signaling channel equally punctures the traffic channels. 9. The apparatus of claim 1, wherein the traffic channels are defined by a channel tree, and wherein each node in the channel tree is associated with specific resources in the signaling channel and wherein acknowledgments for assignment messages are assigned the highest available node. 10. The apparatus of claim 1, wherein the at least one processor is configured to generate orthogonal frequency division multiplexing (OFDM) symbols carrying the mapped acknowledgment. 11. The apparatus of claim 1, wherein the at least one processor is configured to generate single-carrier frequency division multiple access (SC-FDMA) symbols carrying the mapped acknowledgment. 12. The apparatus of claim 1, wherein at least one assignment message is a supplemental assignment message. 13. The apparatus of claim 1, wherein at least one assignment message is a decremental assignment message. 14. The apparatus of claim 1, wherein at least one assignment message is a forward link assignment or a reverse link assignment. 15. A method comprising: determining, in an electronic device, a type of message being acknowledged;assigning a channel identification based upon the type, wherein the channel identification comprises a numerical identifier of one of a plurality of numerical identifiers that range from a lowest to a highest numerical value;generating an acknowledgment for transmission via a communication channel; andmapping the acknowledgment to resources for a signaling channel that punctures traffic channels based upon the channel identification,wherein the acknowledgment corresponds to the message that is being acknowledged,wherein assigning the channel identification comprises assigning the highest available channel identification to acknowledgements of assignment messages, andwherein at least two channel identifications are available. 16. The method of claim 15, further comprising: spreading the acknowledgment with a spreading code, and wherein the spread acknowledgment is mapped to the resources for the signaling channel. 17. The method of claim 15, wherein mapping comprises mapping a signaling message to multiple time-frequency segments. 18. The method of claim 15, wherein the assignment messages comprise supplemental assignment messages. 19. The method of claim 15, wherein the assignment messages comprise decremental assignment messages. 20. The method of claim 15, wherein at least one assignment message is a forward link assignment or a reverse link assignment. 21. The method of claim 15, wherein assigning comprises assigning a lowest channel identification to acknowledgments to data messages. 22. An apparatus comprising: means for determining a type of message being acknowledged;means for assigning a channel identification based upon the type, wherein the channel identification comprises a numerical identifier of one of a plurality of numerical identifiers that range from a lowest to a highest numerical value;means for generating an acknowledgment for transmission via a communication channel; andmeans for mapping the acknowledgment to resources for a signaling channel that punctures traffic channels based upon the channel identification,wherein the acknowledgment corresponds to the message that is being acknowledged,wherein the means for assigning a channel identification further comprises means for assigning the highest available channel identification to acknowledgements of assignment messages, andwherein at least two channel identifications are available. 23. The apparatus of claim 22, wherein the assignment messages comprise supplemental assignment messages. 24. The apparatus of claim 22, wherein the assignment messages comprise a forward link assignment or a reverse link assignment. 25. The apparatus of claim 22, wherein the assignment messages comprise decremental assignment messages. 26. The apparatus of claim 22, wherein the means for assigning comprises means for assigning a lowest channel identification to acknowledgments to data messages. 27. The apparatus of claim 22, wherein the means for mapping comprises means for mapping the acknowledgment to multiple time-frequency segments.
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