Architecture, protocols and frame formats for wireless multi-hop relay networks
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-005/22
H04W-004/00
H04W-036/00
H04W-040/00
H04J-003/00
H04B-003/36
H04B-007/14
H04B-001/60
H04B-017/02
H04B-007/15
H04B-007/00
출원번호
US-0529982
(2006-09-29)
등록번호
US-8457674
(2013-06-04)
발명자
/ 주소
Sandhu, Sumeet
Oyman, Ozgur
출원인 / 주소
Intel Corporation
대리인 / 주소
Kacvinsky Daisak PLLC
인용정보
피인용 횟수 :
5인용 특허 :
4
초록▼
Methods, protocols and systems for communicating in a multi-hop wireless mesh network may include explicitly providing information relating to backhaul wireless link qualities in multi-hop wireless mesh network to next generation subscriber stations in a first mode. In a second mode, embodiments are
Methods, protocols and systems for communicating in a multi-hop wireless mesh network may include explicitly providing information relating to backhaul wireless link qualities in multi-hop wireless mesh network to next generation subscriber stations in a first mode. In a second mode, embodiments are configured to implicitly provide indicia of multi-hop wireless link qualities to legacy subscriber stations by adjusting a transmit power of frames sent to the legacy subscriber stations. Other embodiments and variations are described in the detailed description.
대표청구항▼
1. A method for communicating in a wireless mesh network, the method comprising: implicitly assisting a subscriber station of a first class to select a network station for association, the network station having a highest available throughput through the wireless mesh network, said implicitly assist
1. A method for communicating in a wireless mesh network, the method comprising: implicitly assisting a subscriber station of a first class to select a network station for association, the network station having a highest available throughput through the wireless mesh network, said implicitly assisting comprises controlling a transmit power of a wireless link between the subscriber station of the first class and a wireless node, said controlling based, at least in part, on one or more backhaul link qualities in the wireless mesh network; andsending frames to a subscriber station of a second class from the wireless node, the frames comprising a legacy portion in a format compatible with the subscriber station of the first class and an extended portion in a format not recognized by the subscriber station of the first class, the extended portion comprising explicit information regarding the one or more backhaul link qualities;wherein controlling the transmit power comprises reducing a transmit power below a normal transmit power for at least one of a plurality of frames sent to the subscriber station of the first class and resuming the normal transmit power for a remainder of the plurality of frames. 2. The method of claim 1 wherein the one or more backhaul link qualities comprise an end-to-end throughput quality of wireless links in a multi-hop path. 3. The method of claim 1 wherein the wireless mesh network utilizes protocols compatible with the Institute of Electrical and Electronic Engineers (IEEE) 802.16-2005 standard. 4. The method of claim 1 wherein controlling the transmit power comprises reducing the transmit power for one or more frames in proportion to a ratio of a total end-to-end link quality with a mobile station over a last hop link quality with the mobile station. 5. The method of claim 1 wherein the at least one of a plurality of frames includes at least one of a ranging, a preamble or an association frame sent to a mobile station. 6. The method of claim 1, wherein the wireless node is a relay station. 7. A wireless device comprising: a processing circuit including logic to explicitly provide indicia of multi-hop wireless link qualities to a first class of mobile stations in a first mode, and to implicitly provide indicia of multi-hop wireless link qualities to a second class of mobile stations in a second mode, wherein said implicitly providing comprises adjusting a transmit power of a wireless link between the wireless device and a mobile station of the second class for at least part of a transmission to the mobile station of the second class, the indicia provided to the first class of mobile stations in one or more frames, the one or more frames comprising a legacy portion in a format compatible with the second class of mobile stations and an extended portion in a format not recognized by the second class of mobile stations, the extended portion comprising the indicia;wherein said adjusting the transmit power comprises reducing a transmit power below a normal transmit power for at least one of a plurality of frames sent to the mobile station of the second class and resuming the normal transmit power for a remainder of the plurality of frames. 8. The wireless device of claim 7 wherein the indicia of multi-hop wireless link qualities pertains to a throughput between the wireless device and a wireless base station over one or more wireless backhaul links. 9. The wireless device of claim 7 wherein the logic to explicitly provide indicia of multi-hop link qualities comprises logic to include an information element (IE) in a portion of a physical layer (PHY) frame sent to the first class of mobile stations, wherein the IE pertains to one or more wireless backhaul link qualities of a multi-hop relay wireless mesh network. 10. The wireless device of claim 7 further comprising a radio frequency (RF) interface in communication with the processing circuit. 11. The wireless device of claim 10 wherein the RF interface includes at least two antennas and being adapted for multiple-input multiple-output (MIMO) communications. 12. The wireless device of claim 7 wherein the wireless device comprises a wireless mesh relay station and wherein the relay station is adapted to use protocols compatible with one or more Institute of Electrical and Electronic Engineers (IEEE) 802.11 or 802.16 standards. 13. The wireless device of claim 7 wherein in the second mode the transmit power of the at least part of the transmission sent to the second class of stations is adjusted to be substantially proportionate with a ratio of an end-to-end multi-hop link throughput over a last hop link throughput. 14. An article of manufacture comprising a tangible medium storing readable code that, when executed by a processing device, causes the processing device to: implicitly assist a subscriber station of a first class to select a network station for association, the network station having a highest available throughput through a wireless mesh network, said implicitly assisting comprises controlling a transmit power of a wireless link between the subscriber station of the first class and a wireless node, said control based, at least in part, on one or more backhaul link qualities in a wireless mesh network; andsend frames to a subscriber station of a second class from the wireless node, the frames comprising a legacy portion in a format compatible with the subscriber station of the first class and an extended portion in a format not recognized by the subscriber station of the first class, the extended portion comprising explicit information regarding the one or more backhaul link qualities;wherein controlling the transmit power comprises reducing a transmit power below a normal transmit power for at least one of a plurality of frames sent to the subscriber station of the first class and resuming the normal transmit power for a remainder of the plurality of frames. 15. The article of claim 14 further comprising machine readable code that, when executed by a processing device, causes the processing device to: send multi-hop link quality information in a portion of physical layer (PHY) frame to assist a mobile device receiving the PHY frame to associate with a wireless mesh node have substantially a highest throughput available to a core network. 16. The article of claim 14 wherein the transmit power is controlled to be proportional to a ratio of a signal-to-noise ratio (SNR) of an end-to-end multi-hop path over a SNR of a last hop link. 17. The article of claim 14, wherein the wireless node is a relay station. 18. A wireless system comprising: a processing circuit including logic to explicitly provide indicia of multi-hop wireless link qualities to a subscriber station of a first class, and to implicitly provide indicia of multi-hop wireless link qualities to a subscriber station of a second class, wherein said implicitly providing comprises adjusting a transmit power of a wireless link between a wireless node and the subscriber station of the second class, the indicia provided to the subscriber station of the first class in one or more frames, the one or more frames comprising a legacy portion in a format compatible with the subscriber station of the second class and an extended portion in a format not recognized by the subscriber station of the second class, the extended portion comprising the indicia;a radio frequency (RF) interface communicatively coupled to the processing circuit; andat least two antennas coupled to the RF interface for at least one of multiple-input or multiple-output (MIMO) communications;wherein controlling the transmit power comprises reducing a transmit power below a normal transmit power for at least one of a plurality of frames sent to the subscriber station of the second class and resuming the normal transmit power for a remainder of the plurality of frames. 19. The system of claim 18 wherein adjusting the transmit power to a subscriber station comprises reducing a transmit power by a fraction of a ratio of an end-to-end multi-hop wireless link throughput over a last hop wireless link throughput. 20. The system of claim 18 wherein the system comprises a wireless mesh relay station and wherein the subscriber station of the first class is capable of reading a frame format which includes information elements pertaining to a multi-hop link quality and wherein the subscriber station of the second class is not capable of reading the frame format.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (4)
Smith, Malcolm M., Communication system with floating call anchor.
Soriaga, Joseph Binamira; Ji, Tingfang; Bhushan, Naga; Mukkavilli, Krishna Kiran; Smee, John Edward; Jiang, Jing, Dynamically reconfigurable radio air interface for communicating over a mesh network and a wide area network.
Soriaga, Joseph Binamira; Ji, Tingfang; Bhushan, Naga; Mukkavilli, Krishna Kiran; Smee, John Edward; Jiang, Jing, Leveraging synchronization coordination of a mesh network for low-power devices.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.