Title :
A Parallel Iterative Acquisition Algorithm for Multiple PN Codes
Author :
Zhisong Bie ; Kai Niu ; Weiling Wu
Author_Institution :
School of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China. Email: zhisongbie@gmail.com
Abstract :
Based on factor graph and sum-product algorithm, an iterative acquisition algorithm for multiple PN codes is proposed. This algorithm combines the BP decoding algorithm and the chip level MUD as an iterative loop to fulfill the task of parallel acquisition for multiple PN codes. Simulation and analysis results show that the performance of this algorithm is slightly poorer than the full parallel search method, but the computational costs are decreased dramatically.
Keywords :
Algorithm design and analysis; Analytical models; Computational efficiency; Computational modeling; Iterative algorithms; Iterative decoding; Multiuser detection; Performance analysis; Search methods; Sum product algorithm; Chip level MUD; Factor graph; LDPC; m sequences; sum-product algorithm;
Conference_Titel :
Information Theory Workshop, 2006. ITW '06 Punta del Este. IEEE
Conference_Location :
Punta del Este, Uruguay
Print_ISBN :
1-4244-0035-X
Electronic_ISBN :
1-4244-0036-8
DOI :
10.1109/ITW.2006.322879
