Communication method and apparatus

Details Communication method and apparatus Communication method and apparatus

H - Electricity

04

L

H04L 27/00 (2006.01) H04B 7/00 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2287609

In a wireless communications protocol, the rate of data transmission is varied by changing the modulation scheme. The modulation scheme may be varied according to a parameter of the data to be transmitted. such as the amount of buffered data or a requested transmission rate. Alternatively, the power level may be kept constant and the modulation scheme varied according to the gain of the receiver. The modulation scheme may be indicated by a transmitted code. The data may be interleaved and formatted into bursts of a predetermined length selected from a set of data burst lengths. Some of the data burst lengths do not correspond to the size of one interleaver, but the data burst is divided between interleavers of different lengths.

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