Wireless Sensing Network Transmission System with Improved Constant Modulus Algorithm

Provided by: EURASIP
Topic: Networking
Format: PDF
To solve the instant signal convergence of wireless sensing network transmission system, this paper proposes an improved constant modulus algorithm. The improved constant modulus algorithm can quickly find the convergent direction by adding error functions and learning rates based on the reserved original cost functions. After processed by a matched filter, the received consecutive time signal can be sampled in accordance with symbol interval or fraction interval, so that signal channels can be estimated or balanced. At last, this paper verifies the raised method with quadrature amplitude modulation on wireless sensing network transmission system and improved constant modulus algorithm experiments which show that the learning rates and the performances of balancers are improved.

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