[미국특허]
Modulation coding scheme selection for response frames in case of transmit power imbalance
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-012/811
H04L-001/00
출원번호
US-0936994
(2013-07-08)
등록번호
US-9288009
(2016-03-15)
발명자
/ 주소
Merlin, Simone
Jafarian, Amin
출원인 / 주소
QUALCOMM Incorporated
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
1인용 특허 :
3
초록▼
Certain aspects of the present disclosure relate to a technique for selecting modulation coding schemes (MCS). In some aspects, the MCS is selected based on a characteristic of an electronic device and the MCS of a transmitter. In some aspects, the MCS is selected based on a power imbalance between
Certain aspects of the present disclosure relate to a technique for selecting modulation coding schemes (MCS). In some aspects, the MCS is selected based on a characteristic of an electronic device and the MCS of a transmitter. In some aspects, the MCS is selected based on a power imbalance between an access point and a user terminal.
대표청구항▼
1. A method for communicating in a wireless network by an electronic device, the method comprising: receiving data identifying a first modulation coding scheme from a transmitter; andselecting a second modulation coding scheme based on a characteristic of the electronic device including the first mo
1. A method for communicating in a wireless network by an electronic device, the method comprising: receiving data identifying a first modulation coding scheme from a transmitter; andselecting a second modulation coding scheme based on a characteristic of the electronic device including the first modulation coding scheme, wherein information identifying the second modulation coding scheme is a predetermined numerical N quantity lower than the first modulation coding scheme, the second modulation coding scheme being a function of a power imbalance between the transmitter and the electronic device independent of actual transmit powers of the transmitter and the electronic device; andtransmitting data identifying the second modulation coding scheme. 2. The method of claim 1, wherein the electronic device receives the predetermined numerical N quantity from the transmitter. 3. The method of claim 2, wherein the electronic device receives the predetermined numerical N quantity in an association request frame. 4. The method of claim 2, wherein the electronic device receives the predetermined numerical N quantity in a management frame sent after association. 5. The method of claim 1, wherein the electronic device provides the predetermined numerical N quantity. 6. The method of claim 1, wherein the second modulation coding scheme does not exceed a predetermined numerical X quantity. 7. The method of claim 6 wherein the predetermined numerical X quantity is a datarate or modulation code scheme order. 8. The method of claim 1 further comprising receiving data identifying a set of allowable modulation coding schemes. 9. The method of claim 8, wherein the set of allowable modulation coding schemes is based on a determined transmit power imbalance. 10. The method of claim 1, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is functioning in the wireless network as an Access Point or a User Terminal. 11. The method of claim 1, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is communicating in the wireless network as a User Terminal to an Access Point or a User Terminal to another User Terminal. 12. An apparatus for communicating in a wireless network by an electronic device comprising: a transceiver configured to receive data identifying a first modulation coding scheme;a processing system configured to select a second modulation coding scheme based on a characteristic of the electronic device including the first modulation coding scheme, wherein information identifying the second modulation coding scheme is a predetermined numerical N quantity lower than the first modulation coding scheme, the second modulation coding scheme being a function of a power imbalance between the transmitter and the electronic device independent of actual transmit powers of the transmitter and the electronic device; andwherein the transceiver is configured to transmit and/or receive data identifying the second modulation coding scheme. 13. The apparatus of claim 12, wherein the electronic device is configured to receive the predetermined numerical N quantity from the transceiver. 14. The apparatus of claim 13, wherein the electronic device is configured to receive the predetermined numerical N quantity in an association request frame. 15. The apparatus of claim 13, wherein the electronic device is configured to receive the predetermined numerical N quantity in a management frame sent after association. 16. The apparatus of claim 12, wherein the electronic device is configured to provide the predetermined numerical N quantity. 17. The apparatus of claim 12, wherein the second modulation coding scheme does not exceed a predetermined numerical X quantity. 18. The apparatus of claim 17, wherein the predetermined numerical X quantity is a datarate or modulation code scheme order. 19. The apparatus of claim 12, wherein the transceiver is configured to receive data identifying a set of allowable modulation coding schemes. 20. The apparatus of claim 19, wherein the set of allowable modulation coding schemes is based on a determined transmit power imbalance. 21. The apparatus of claim 12, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is functioning in the wireless network as an Access Point or a User Terminal. 22. The apparatus of claim 12, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is communicating in the wireless network as a User Terminal to an Access Point or a User Terminal to another User Terminal. 23. An apparatus for communicating in a wireless network by an electronic device, comprising: means for receiving data identifying a first modulation coding scheme from a transmitter;means for selecting a second modulation coding scheme based on a characteristic of the electronic device including the first modulation coding scheme, wherein information identifying the second modulation coding is a predetermined numerical N quantity lower than the first modulation coding scheme, the second modulation coding scheme being a function of a power imbalance between the transmitter and the electronic device independent of actual transmit powers of the transmitter and the electronic device; andmeans for communicating using the second modulation coding scheme. 24. The apparatus of claim 23, wherein the electronic device receives the predetermined numerical N quantity from the transmitter. 25. The apparatus of claim 24, wherein the electronic device receives the predetermined numerical N quantity in an association request frame. 26. The apparatus of claim 24, wherein the electronic device receives the predetermined numerical N quantity in a management frame sent after association. 27. The apparatus of claim 23, wherein the electronic device provides the predetermined numerical N quantity. 28. The apparatus of claim 23 wherein the second modulation coding scheme does not exceed the predetermined numerical N quantity. 29. The apparatus of claim 23 wherein the predetermined numerical N quantity is a datarate or modulation code scheme order. 30. The apparatus of claim 23 further comprising means for receiving data identifying a set of allowable modulation coding schemes. 31. The apparatus of claim 30, wherein the set of allowable modulation coding schemes is based on a determined transmit power imbalance. 32. The apparatus of claim 23, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is functioning in the wireless network as an Access Point or a User Terminal. 33. The apparatus of claim 23, wherein the characteristic of the electronic device is further including a type of the electronic device, the type is based on whether the electronic device is communicating in the wireless network as a User Terminal to an Access Point or a User Terminal to another User Terminal. 34. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to: receive data identifying a first modulation coding scheme from a transmitter;select a second modulation coding scheme based on a characteristic of the electronic device including the first modulation coding scheme, wherein information identifying the second modulation coding is a predetermined numerical N quantity lower than the first modulation coding scheme, the second modulation coding scheme being a function of a power imbalance between the transmitter and the electronic device independent of actual transmit powers of the transmitter and the electronic device; andtransmit data identifying the second modulation coding scheme.
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