Noncoherent hybrid acquisition of DS/CDMA signals

@inproceedings{citeulike:2802471, abstract = {A noncoherent signal acquisition scheme using hybrid active correlation for a direct sequence code division multiple access (DS/CDMA) receiver is presented. A test based on sequential hypothesis testing called the M-ary sequential probability ratio test (MSPRT) and several fixed sample size (FSS) tests are considered for the testing stage. Continuous integration of in-phase and quadrature signal components is used to minimize noncoherent combining losses. The MSPRT is adapted accordingly to accommodate dependent samples from the integrator output. Results of analysis and simulation show that the IMSPRT provides significantly better performance than the FSS schemes. It has been found that use of the IMSPRT with continuous integration results in negligible noncoherent implementation loss (compared to coherent acquisition) when a moderate number of correlators are used}, author = {Hosangadi, G. S. and Baum, C. W. }, booktitle = {Military Communications Conference, 1996. MILCOM '96, Conference Proceedings, IEEE}, citeulike-article-id = {2802471}, doi = {10.1109/MILCOM.1996.571430}, journal = {Military Communications Conference, 1996. MILCOM '96, Conference Proceedings, IEEE}, keywords = {acquisition, cdma}, pages = {988--992 vol.3}, posted-at = {2008-05-15 19:51:47}, priority = {2}, title = {Noncoherent hybrid acquisition of DS/CDMA signals}, url = {http://dx.doi.org/10.1109/MILCOM.1996.571430}, volume = {3}, year = {1996} }

TY - CONF ID - citeulike:2802471 L3 - citeulike-article-id:2802471 TI - Noncoherent hybrid acquisition of DS/CDMA signals T2 - Military Communications Conference, 1996. MILCOM '96, Conference Proceedings, IEEE JF - Military Communications Conference, 1996. MILCOM '96, Conference Proceedings, IEEE VL - 3 SP - 988 EP - 992 vol.3 N2 - A noncoherent signal acquisition scheme using hybrid active correlation for a direct sequence code division multiple access (DS/CDMA) receiver is presented. A test based on sequential hypothesis testing called the M-ary sequential probability ratio test (MSPRT) and several fixed sample size (FSS) tests are considered for the testing stage. Continuous integration of in-phase and quadrature signal components is used to minimize noncoherent combining losses. The MSPRT is adapted accordingly to accommodate dependent samples from the integrator output. Results of analysis and simulation show that the IMSPRT provides significantly better performance than the FSS schemes. It has been found that use of the IMSPRT with continuous integration results in negligible noncoherent implementation loss (compared to coherent acquisition) when a moderate number of correlators are used KW - acquisition KW - cdma AU - Hosangadi, GS AU - Baum, CW PY - 1996/// UR - http://dx.doi.org/10.1109/MILCOM.1996.571430 ER -