This paper examines power–controlled modulation schemes for fixed–rate transmission over fading radio channels. We are primarily interested in transmitter diversity schemes for multiple–block (slot) transmission on narrowband time–division duplex systems such as DECT and PHS. We consider transmitter power control over one and two independently–faded blocks using variable (coded modulation schemes. The main conclusion is that simple and de facto standard coded–modulation schemes can yield performance comparable to a non–fading AWGN channel at a fixed data rate.
Simple power-controlled modulation schemes for fixed-rate transmission over fading channels
Research report RR-97-036
Systèmes de Communication
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