Search - cdma multi path

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[Other resource] CDMA_path_sim DL : 0: 该函数仿真CDMA系统的信道，在输入所需用户序列和其他干扰用户序列后在信号上叠加高斯白噪声，干扰用户多径干扰和所需用户的多径干扰和衰落。并根据输入延时曲线产生信道延时，输出mul_fad_sequence为信道信号输出，max_delay为信道最大延迟，fade_sign为瑞利信道中最大幅度分量的衰落量 mpath_amp为信道多径的幅度因子-the CDMA system simulation function of the channel, required users to import sequences and sequences of other users after the interference signal superimposed on the white Gaussian noise, Users interference and multi-path interference for users of multi-path interference and fading. Enter the delay under the curve Channel delay, mul_fad_sequence output of channel signal output, max_delay to channel the maximum delay, fade_sign Rayleigh Channel for the most significant component of the volume decline mpath_amp to channel more Drive rate factor
Update : 2008-10-13 Size : 2.17kb Publisher : 刘洪
[Other resource] dscdma_simulation DL : 0: ds-cdma系统仿真，考虑在多径衰落信道情况下，系统的误码率-ds-cdma system simulation, consider the multi-path fading channel circumstances, the BER
Update : 2008-10-13 Size : 5.02kb Publisher : 吴俊
[Communication] simcdma DL : 0: 完整的CDMA各种参数的仿真，包括上行链路的BER，多径干扰下的BER，多径下用户数目的BER等-integrity of the CDMA simulation of various parameters, including the uplink BER, multi-path interference under the BER, Drive over the next number of users, such as BER
Update : 2008-10-13 Size : 15.99kb Publisher : 于蕾
[matlab] CDMA_path_sim DL : 0: 该函数仿真CDMA系统的信道，在输入所需用户序列和其他干扰用户序列后在信号上叠加高斯白噪声，干扰用户多径干扰和所需用户的多径干扰和衰落。并根据输入延时曲线产生信道延时，输出mul_fad_sequence为信道信号输出，max_delay为信道最大延迟，fade_sign为瑞利信道中最大幅度分量的衰落量 mpath_amp为信道多径的幅度因子-the CDMA system simulation function of the channel, required users to import sequences and sequences of other users after the interference signal superimposed on the white Gaussian noise, Users interference and multi-path interference for users of multi-path interference and fading. Enter the delay under the curve Channel delay, mul_fad_sequence output of channel signal output, max_delay to channel the maximum delay, fade_sign Rayleigh Channel for the most significant component of the volume decline mpath_amp to channel more Drive rate factor
Update : 2025-04-26 Size : 2kb Publisher : 刘洪
[matlab] dscdma_simulation DL : 0: ds-cdma系统仿真，考虑在多径衰落信道情况下，系统的误码率-ds-cdma system simulation, consider the multi-path fading channel circumstances, the BER
Update : 2025-04-26 Size : 5kb Publisher : 吴俊
[Communication] simcdma DL : 0: 完整的CDMA各种参数的仿真，包括上行链路的BER，多径干扰下的BER，多径下用户数目的BER等-integrity of the CDMA simulation of various parameters, including the uplink BER, multi-path interference under the BER, Drive over the next number of users, such as BER
Update : 2025-04-26 Size : 16kb Publisher : 于蕾
[matlab] fade DL : 0: 包括DS-CDMA 的衰落信道函数，多径衰落信道以及快衰落信道函数。-Including DS-CDMA in fading channel function, multi-path fading channel and fast fading channel function.
Update : 2025-04-26 Size : 2kb Publisher : 秦丽
[matlab] rake DL : 0: 实现CDMA系统的RAKE接收,比较最大比合并、等增益合并、、选择合并接收算法的性能，采用3条多径，每条多径之间延迟半个码片，信源输入采用16位WALSH码扩频-Realize RAKE receiver CDMA system to compare maximal-ratio combining, and so gain the merger, and select to receive the combined algorithm, using more than three tracks, each multi-path delay between the half-chip, input source code using 16 WALSH Spread Spectrum
Update : 2025-04-26 Size : 1kb Publisher :
[Communication] work DL : 0: MC-CDMA仿真多载波CDMA 16 用户，2径衰落-Simulation of MC-CDMA Multi-Carrier CDMA 16 users, 2-path fading
Update : 2025-04-26 Size : 1kb Publisher : 小聪
[Communication-Mobile] mccdmaoneuserCE DL : 0: This Matlab program simulate one user Convolutional coding MC-CDMA on Multi path fading channel -This Matlab program simulate one user Convolutional coding MC-CDMA on Multi path fading channel
Update : 2025-04-26 Size : 2kb Publisher : almamori
[Communication-Mobile] waveletofdm DL : 0: A matlab code that simulate wavelet based OFDM CDMA over multi path fading channel with covvolutional encoder. -A matlab code that simulate wavelet based OFDM CDMA over multi path fading channel with covvolutional encoder.
Update : 2025-04-26 Size : 3kb Publisher : almamori
[3G develop] mc_cdma_success_fft_size128 DL : 0: MC-CDMA系统性能仿真，高斯信道，两路多径干扰，其中还有码同步问题。配有详尽的解释-MC-CDMA system performance simulation, Gaussian channel, two-way multi-path interference, which are code synchronization. With a detailed explanation
Update : 2025-04-26 Size : 4kb Publisher : penglu
[Software Engineering] RAKE_FPGA DL : 0: RAKE技术与CDMA系统相结合，能够带来系统容量和通信质量的极大提高。根据军事通信中对设备便携性及低功耗的特殊要求，本文研究了一种便携式基站的收发系统，重点研究了其中的RAKE接收部分。给出了系统的发送方案和接收方案，对接收机部分所涉及的关键技术和算法，包括数字下变频技术、匹配相关技术、多径搜索技术、信道估计技术、解调及多径合并技术进行了较为详细的分析和说明。在此基础上，运用VHDL语言进行了硬件平台上FPGA部分的功能实现，并对整个系统进行了调试，给出了一些相关的仿真及测试结果。最后对该系统还需进一步研究的问题进行了简要的介绍，对调试过程中的出现的一些问题进行了简单的分析和小结。 -CDMA system with RAKE combining technology, can bring the system capacity and communication quality significantly raised High. According to military communications equipment portability and low power consumption special requirements, this paper, a portable The base station transceiver system, which focuses on the RAKE receiving part. Then the system sends the program and Receiving scheme, the receiver part of the key technologies involved and algorithms, including digital down-conversion technology, matching the relevant technology, multi-path search and channel estimation, demodulation and multi-path merging techniques on a more detailed analysis and explanation. On this basis, the use of VHDL, FPGA hardware platform to achieve some functionality, and debugging the system, given some of the relevant simulation and test results. Finally the system need further study are briefly introduced, and the emergence of the process of debugging some problems in a simple analysis and summar
Update : 2025-04-26 Size : 2.38mb Publisher : 徐进
[Communication] OMUD-DS-CDMA-Multi-Path2_users DL : 0: Optimum MUD for DS-CDMA in Multi-Path Fading Channel 2 USERS- Optimum MUD for DS-CDMA in Multi-Path Fading Channel 2USERS
Update : 2025-04-26 Size : 2kb Publisher : 李栋
[Communication] OMUD-DS-CDMA-Multi-Path_k_users DL : 0: Optimum MUD for DS-CDMA in Multi-Path Fading Channel K USERS
Update : 2025-04-26 Size : 2kb Publisher : 李栋
[Communication-Mobile] cdma DL : 0: Multi user environnent in CDMA communication system in multi path channel
Update : 2025-04-26 Size : 2kb Publisher : student