An improved code rate search scheme for adaptive multicode CDMA

In this thesis, we present an improved scheme to maximize system throughput through joint rate and power adaptation with perfect channel information in a multicode CDMA system. By specifying suitable boundary conditions and adaptively searching the optimal rate vectors, the search range can be narrowed down thereby significantly improving search complexity. We also build a multipath fading channel with Rayleigh distribution. In the design of the channel model, our focus is given to the description of Doppler filter which is the essential part of the channel model.

Author dc:creator

• CAI YINGHE

• joint power and rate adaptation, multicode CDMA, search complexity, throughput maximization, Rayleigh fading channel simulation, Doppler filter