A pre-processing blind muhiuser detection algorithms based on the least squares constant modulus （P-LSCMA） using antenna array is proposed in this paper. It first uses the signals received from every antenna to corr...A pre-processing blind muhiuser detection algorithms based on the least squares constant modulus （P-LSCMA） using antenna array is proposed in this paper. It first uses the signals received from every antenna to correlate with the conjugation of the DoA vector of the expected user, and then applies the pre-processed signals to the LSCMA. We simulate and compare the proposed algorithm with the conventional LSCMA. Simulation results show that the proposed algorithm is superior to LSCMA.展开更多
A new time of arrival （TOA） estimation algorithm is proposed. The algorithm computes the optimal sub-eorrelation length based on the SNR theory. So the robust of TOA acquirement is guaranteed very well. Then, aceord...A new time of arrival （TOA） estimation algorithm is proposed. The algorithm computes the optimal sub-eorrelation length based on the SNR theory. So the robust of TOA acquirement is guaranteed very well. Then, aceording to the actual transmission environment and network system, the multi-search method is given. From the simulation result, the algorithm shows a very high application value in the realization of wireless location system （WLS）.展开更多
基金This work was sponsored by the National Natural Science Foundation of China (60472104) and the Doctoral InnovativeFoundation of Jiangsu Province (xm04 -32) and the natural science researchitemof Jiangsu University (04KJB510094)
文摘A pre-processing blind muhiuser detection algorithms based on the least squares constant modulus （P-LSCMA） using antenna array is proposed in this paper. It first uses the signals received from every antenna to correlate with the conjugation of the DoA vector of the expected user, and then applies the pre-processed signals to the LSCMA. We simulate and compare the proposed algorithm with the conventional LSCMA. Simulation results show that the proposed algorithm is superior to LSCMA.
文摘A new time of arrival （TOA） estimation algorithm is proposed. The algorithm computes the optimal sub-eorrelation length based on the SNR theory. So the robust of TOA acquirement is guaranteed very well. Then, aceording to the actual transmission environment and network system, the multi-search method is given. From the simulation result, the algorithm shows a very high application value in the realization of wireless location system （WLS）.
