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Significant of BER Detection Using Hybrid Genetic Algorithm for CDMA System: 《Journal of Computer and Communications》2018年第5期31-39,共9页Anwar Hassan Ibrahim; In this paper, CDMA system is considered to enhance the detection techniques, which uses genetic algorithm practice to introduce an optimum multi-user indicator based on bit synchronization for code division multiple ...; 关键词：CDMA GA BER SNR

Effect of Diversity and Filtering on the Performance of Wavelet Packets Base Multicarrier Multicode CDMA System: 《Journal of Signal and Information Processing》2015年第2期165-179,共15页Maryam M. Akho-Zahieh Nasser Abdellatif; In Wavelet Packets Based Multicarrier Multicode CDMA system, the multicode (MCD) part ensures the transmission for high speed and flexible data rate, the multicarrier (MC) part ensures the flexibility of handling mult...; 关键词：WAVELET PACKETS MULTICARRIER Multicode DIVERSITY Suppression Filter

Scintillation reduction using multi-beam propagating technique in atmospheric WOCDMA system: 《Chinese Optics Letters》2011年第11期77-80,共4页赵雅琴许丹丽钟鑫; supported by the Science and Technology Innovation Talents Special Funds of Harbin,China (No. 2009RFQXG056);the Natural Science Foundation of Heilongjiang Province of China (No. F200910);the Fundamental Research Funds for Central the Universities (No. HIT.NSRIF.201151); We propose employing multi-beam propagating technology to mitigate the influence of atmospheric scintillation to the wireless optical code division multiple access （WOCDMA） system and then deduce the bit error rate ...; 关键词：Bit error rate Code division multiple access

Performance of multiuser CDMA system with space-time block coding in MIMO Rayleigh fading channels被引量：3: 《Science in China(Series F)》2009年第12期2296-2307,共12页YU XiangBin DONG Tao BI GuangGuo; Supported by the China Postdoctoral Science Foundation (Grant No. 2005038242);the open research fund of National Mobile Communications Research Laboratory, Southeast University (Grant No. N200904);the startup fund of Nanjing University of Aeronautics and Astronautics(Grant No. S0855-041); In this paper, by introducing orthogonal space-time coding scheme, the multiuser CDMA systems with different space time codes are given, and corresponding system performance is investigated over Rayleigh fading channe...; 关键词：space-time block coding code division multiple access （CDMA） full diversity full rate multiple input multiple output （MIMO）

Algorithm of sky-ground-wave signal separation in CDMA system: 《Journal of Systems Engineering and Electronics》2008年第2期234-240,共7页Zhang Jingjuan Chen Shiru; To solve the problem of the sky-wave interference in radio positioning system operating in CDMA mode, an algorithm of sky-ground-wave separation is provided. Based on the MLE （maximum likelihood estimate）, and by es...; 关键词：radio positioning interference cancellation CDMA signal acquisition signal track sky-wave signal ground-wave signal.

IMPROVING THE CAPACITY OF MULTI-CODE MULTIMEDIA CDMA SYSTEM被引量：1: 《Journal of Electronics(China)》2007年第4期557-559,共3页Pan Su Liu Shengmei; the Natural Science Fund for Jiangsu Province Universities (No.06kJB510078 and No.06KJA51001); by the Research Open Fund of the National Mobile Communications Key Lab (No.N200507).; A novel method for improving the capacity of multi-code multimedia Code Division Mul- tiple Access (CDMA) systems is proposed. By factitiously improving the transmission bit rate of the call, the number of the orthogo...; 关键词：Capacity MULTIMEDIA Code Division Multiple Access （CDMA）

Design of power controller in CDMA system with power and SIR error minimization: 《控制理论与应用（英文版）》2007年第2期194-198,共5页Shulan KONG Huanshui ZHANG Zhaosheng ZHANG Hongxia WANG; the National Natural Science Foundation of China(No.60574016).; In this paper, an uplink power control problem is considered for code division multiple access （CDMA） systems. A distributed algorithm is proposed based on linear quadratic optimal control theory. The proposed schem...; 关键词：Power control Kalman filter Code division multiple access （CDMA）

A new method to estimate DOA in CDMA system in multi-path environment被引量：1: 《Journal of Central South University of Technology》2006年第3期270-274,共5页单志勇周希朗张琪; Project supported by the National Defense Pre-research Foundation; An algorithm for direction angle of arrival(DOA) estimation and array calibration of signals from multiple mobile users in the CDMA systems and multi-path environment was presented . The main idea is that the algorith...; 关键词：DOA CDMA MULTI-PATH code-matched filter

NEW LSCM BLIND MULTIUSER DETECTION ALGORITHM FOR ANTENNA ARRAY CDMA SYSTEM: 《Journal of Electronics(China)》2006年第2期161-164,共4页Fu Hongliang Feng Guangzeng; Supported by the National Natural Science Foundation of China (No.60472104);Doctoral innovative fund of Jiangsu province (xm04-32).; Two blind multiuser detection algorithms for antenna array in Code Division Multiple Access （CDMA） system which apply the linearly constrained condition to the Least Squares Constant Modulus Algorithln （LSCMA） are...; 关键词：Antenna array MultiUser Detection （MUD） Code Division Multiple Access （CDMA） Least Squares Constant Modulus Algorithm （LSCMA） Linearly Constrained LSCMA （LC-LSCMA） Preprocessing LC-LSCMA （PLC-LSCMA）

Wireless Positioning Technologies in CDMA System: 《ZTE Communications》2006年第1期48-52,共5页Yan Binfeng Zhang Zhijiang (China Unicom Co. Ltd., Beijing 100032, China); Location services not only provide address information, but also locate, monitor and track terminals on a real-time basis. To deliver fast and accurate location services, it is necessary to select an appropriate posit...; 关键词：CDMA Wireless Positioning Technologies in CDMA System PDES TDOA MSC MPC

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