Method and apparatus for adaptive modulation using...

Details Method and apparatus for adaptive modulation using... Method and apparatus for adaptive modulation using...

2006-11-14

2006-11-14

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Transmitters

Plural diversity

C375S295000

Reexamination Certificate

active

07136427

ABSTRACT:
A method of transmitting adaptive modulation signals using space-time block code matrix from a plurality of antennas, the method comprising the steps of: changing adaptively the number of transmission repeat times of the matrix according to a propagation condition, transforming modulation signals at each transmission repeat timing from each antenna by using the matrix, and sending the transformed signals at each transmission repeat timing from each antenna.

REFERENCES:
patent: 6661856 (2003-12-01), Calderbank et al.
patent: 6889355 (2005-05-01), Calderbank et al.
patent: 2002/0186796 (2002-12-01), McFarland et al.
patent: 2003/0072395 (2003-04-01), Jia et al.
Tarokh et al. “Space-time block coding for wireless communications: performance results” IEEE Journal on Selected Areas in Communications, vol. 17, Issue 3, Mar. 1999, pp. 451-460.
Vahid Tarokh, et al., “Space-Time Block Coding For Wireless Communications: Performance Results”, IEEE Journal on Selected Areas in Communications, vol. 17, #3, Mar. 1999, pp. 451-460.

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