Method and system for dynamic adaptation and communicating...

Details Method and system for dynamic adaptation and communicating... Method and system for dynamic adaptation and communicating...

2011-07-19

2011-07-19

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S227000, C375S285000

Reexamination Certificate

active

07983367

ABSTRACT:
Aspects of a method and system for dynamic adaptation and communicating differences in frequency-time dependent systems may include generating a time difference weighting factor and a frequency difference weighting factor, based on at least channel estimates. A time-frequency difference may be computed by forming a weighted sum comprising a time difference and a frequency difference, where forming the weighted sum uses at least the time difference weighting factor and the frequency weighting factor. A channel quality indicator (CQI) feedback message may be generated, comprising the time-frequency difference. The time difference weighting factor and/or the frequency difference weighting factor may be generated adaptively at a base station or a mobile terminal. The time difference and/or the frequency difference may be generated from estimated Signal-to-Noise-Ratios (SNRs) associated with the channel estimates. The SNRs may be based on at least the output of an MMSE receiver.

REFERENCES:
patent: 2005/0008092 (2005-01-01), Kadous
patent: 2005/0031047 (2005-02-01), Maltsev et al.
patent: 2005/0238108 (2005-10-01), Suh et al.
patent: 2006/0245470 (2006-11-01), Balachandran et al.
patent: 2007/0230324 (2007-10-01), Li et al.

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