Adaptive channel allocation in a frequency division multiplexed system

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United States of America Patent

PATENT NO 5726978
SERIAL NO

08493489

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Abstract

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A method and system of adaptive channel allocation in a frequency division multiplexed system is provided. In the method and system a subset of M subcarriers is chosen from a larger set of N subcarriers available for communications on a link. As communications take place on the link, signal quality (C/I) measurements on the subcarriers of the subset of M subcarriers and interference (I) measurements on the subcarriers of the group of N subcarriers are periodically performed. The C/I and I measurements are then used to reconfigure the subset of M subcarriers to reduce co-channel interference on the link.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)STOCKHOLM12205

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frodigh, Carl Magnus Kista, SE 12 1353
Gudmundson, Perols Leif Mikael Kista, SE 2 459

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* 6985453 Method and apparatus for link quality feedback in a wireless communication system 78 2001
* 2002/0110,088 Method and apparatus for link quality feedback in a wireless communication system 6 2001
9130810 OFDM communications methods and apparatus 4 2001
7986672 Method and apparatus for channel quality feedback in a wireless communication 14 2002
* 2003/0161,285 Method and apparatus for channel quality feedback in a wireless communication 42 2002
* 7079550 Method and apparatus for high rate packet data transmission 39 2002
* 2003/0142,656 Method and apparatus for high rate packet data transmission 9 2002
* 8422434 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems 5 2003
* 2004/0162,097 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems 57 2003
8068453 Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel 12 2003
8391249 Code division multiplexing commands on a code division multiplexed channel 4 2003
7120166 Scalable communication system using overlaid signals and multi-carrier frequency communication 7 2003
* 2004/0160,933 Code division multiplexing commands on a code division multiplexed channel 89 2003
* 2004/0090,933 Scalable communication system using overlaid signals and multi-carrier frequency communication 4 2003
* 2004/0160,922 Method and apparatus for controlling data rate of a reverse link in a communication system 82 2003
8023950 Systems and methods for using selectable frame durations in a wireless communication system 13 2003
8081598 Outer-loop power control for wireless communication systems 5 2004
* 2005/0007,986 Outer-loop power control for wireless communication systems 39 2004
8150407 System and method for scheduling transmissions in a wireless communication system 14 2004
* 2005/0003,843 System and method for scheduling transmissions in a wireless communication system 11 2004
8489949 Combining grant, acknowledgement, and rate control commands 2 2004
* 2005/0030,911 Combining grant, acknowledgement, and rate control commands 42 2004
8705588 Systems and methods for using code space in spread-spectrum communications 0 2004
* 2004/0228,389 Systems and methods for using code space in spread-spectrum communications 20 2004
8477592 Interference and noise estimation in an OFDM system 6 2004
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* 2005/0002,324 Interference and noise estimation in an OFDM system 46 2004
* 2004/0228,283 Power control and scheduling in an OFDM system 19 2004
9585023 Layered reuse for a wireless communication system 0 2004
* 2005/0096,061 Layered reuse for a wireless communication system 77 2004
8526963 Restrictive reuse for a wireless communication system 5 2004
* 2005/0096,062 Restrictive reuse for a wireless communication system 46 2004
9148256 Performance based rank prediction for MIMO design 1 2004
9137822 Efficient signaling over access channel 0 2004
7548752 Feedback to support restrictive reuse 44 2004
* 2006/0135,169 Feedback to support restrictive reuse 46 2004
* 2006/0133,521 Performance based rank prediction for MIMO design 65 2004
9520972 Pilot signal transmission for an orthogonal frequency division wireless communication system 0 2005
9143305 Pilot signal transmission for an orthogonal frequency division wireless communication system 1 2005
8446892 Channel structures for a quasi-orthogonal multiple-access communication system 35 2005
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8059589 Dynamic restrictive reuse scheduler 6 2005
9107109 Method and apparatus for determining a data rate in a high rate packet data wireless communications system 0 2005
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9246560 Systems and methods for beamforming and rate control in a multi-input multi-output communication systems 1 2005
8032145 Restrictive reuse set management algorithm for equal grade of service on FL transmission 32 2005
9036538 Frequency hopping design for single carrier FDMA systems 0 2005
9154211 Systems and methods for beamforming feedback in multi antenna communication systems 0 2005
* 2006/0203,708 Systems and methods for beamforming feedback in multi antenna communication systems 75 2005
9461859 Pilot signal transmission for an orthogonal frequency division wireless communication system 0 2005
9408220 Channel quality reporting for adaptive sectorization 0 2005
9225488 Shared signaling channel 0 2005
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9210651 Method and apparatus for bootstraping information in a communication system 1 2005
9184870 Systems and methods for control channel signaling 0 2005
9179319 Adaptive sectorization in cellular systems 0 2005
9172453 Method and apparatus for pre-coding frequency division duplexing system 0 2005
8693405 SDMA resource management 4 2005
8644292 Varied transmission time intervals for wireless communication system 4 2005
8582509 Scalable frequency band operation in wireless communication systems 14 2005
8565194 Puncturing signaling channel for a wireless communication system 12 2005
8045512 Scalable frequency band operation in wireless communication systems 30 2005
* 2007/0097,909 Scalable frequency band operation in wireless communication systems 53 2005
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* 2007/0060,178 Segment sensitive scheduling 81 2005
* 2007/0047,485 Varied transmission time intervals for wireless communication system 59 2005
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8644170 Rate selection for an OFDM system 0 2005
* 2006/0087,972 Rate selection for an OFDM system 30 2005
8582548 Frequency division multiple access schemes for wireless communication 12 2006
9144060 Resource allocation for shared signaling channels 0 2006
8879511 Assignment acknowledgement for a wireless communication system 7 2006
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8693383 Method and apparatus for high rate data transmission in wireless communication 3 2006
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9136974 Precoding and SDMA support 0 2006
9426821 Method and apparatus for high rate packet data and low delay data transmissions 0 2006
8885628 Code division multiplexing in a single-carrier frequency division multiple access system 19 2006
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8526966 Scheduled and autonomous transmission and acknowledgement 2 2006
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9088384 Pilot symbol transmission in wireless communication systems 0 2006
8351372 Method and apparatus for high rate packet data transmission 6 2006
8089924 Method and apparatus for high rate packet data transmission 8 2006
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8009625 Method and apparatus for high rate packet data transmission 9 2006
7995531 Method and apparatus for high rate packet data transmission 8 2006
7848282 Method and apparatus for high rate packet data transmission 15 2006
7848283 Method and apparatus for high rate packet data transmission 8 2006
7848284 Method and apparatus for high rate packet data transmission 8 2006
* 2007/0066,320 Method and apparatus for high rate packet data transmission 49 2006
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8005042 Method and apparatus for high rate packet data transmission 8 2006
7848285 Method and apparatus for high rate packet data transmission 9 2006
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8548387 Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system 1 2007
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8201039 Combining grant, acknowledgement, and rate control commands 10 2007
8780936 Signal acquisition for wireless communication systems 4 2007
* 2007/0281,642 SIGNAL ACQUISITION FOR WIRELESS COMMUNICATION SYSTEMS 21 2007
9118387 Pilot reference transmission for a wireless communication system 0 2007
8477684 Acknowledgement of control messages in a wireless communication system 30 2007
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8483691 Restrictive reuse for a wireless communication system 1 2008
8811973 Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems 0 2008
8014271 Signaling method in an OFDM multiple access system 32 2008
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9246659 Segment sensitive scheduling 0 2009
9240877 Segment sensitive scheduling 1 2009
8787347 Varied transmission time intervals for wireless communication system 5 2009
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8098568 Signaling method in an OFDM multiple access system 62 2009
8098569 Signaling method in an OFDM multiple access system 44 2009
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8675509 Feedback to support restrictive reuse 5 2009
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8189540 Method and apparatus for high rate packet data transmission 5 2009
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7990843 Signaling method in an OFDM multiple access system 50 2010
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