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检索条件"主题词=multicode"
56 条 记 录,以下是21-30 订阅
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BER performance comparison of single code and multicode DS/CDMA channelization schemes for high rate data transmission
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IEEE COMMUNICATIONS LETTERS 2001年 第2期5卷 67-69页
作者: Zhang, R Tjhung, TT Zhang, HB He, P Natl Univ Singapore Dept Elect & Comp Engn Singapore 119260 Singapore Ctr Wireless Commun Singapore 117674 Singapore Inst Microelect Singapore 117674 Singapore
The bit-error-rate (BER) performance of single code and multicode channelization schemes for high rate data transmission in direct-sequence code-division-multiple-access (DS/CDMA) systems is compared in this letter. T... 详细信息
来源: 评论
Cellular multicode CDMA capacity with SIR-based power control in a multipath fading environment
Cellular multicode CDMA capacity with SIR-based power contro...
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15th IEEE International Symposium on Personal, Indoor, Mobile, Radio Communications (PIMRC 2004)
作者: Téllez-Labao, C Romero-Jerez, JM Ruiz-García, M Univ Malaga ETSI Telecomunicac Dept Tecnol Elect E-29071 Malaga Spain
In this paper, the reverse link capacity is analysed for a multicode direct sequence-code division multiple access (multicode DS/CDMA) system with SIR-based power-control in a multiple-cell environment. Mean and varia... 详细信息
来源: 评论
On codes with low peak-to-average power ratio for multicode CDMA
On codes with low peak-to-average power ratio for multicode ...
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IEEE International Symposium on Information Theory
作者: Paterson, KG Hewlett Packard Labs Bristol BS34 8QZ Avon England
Codes which reduce the peak-to-average power (PAPR) in multicode code-division multiple-access (MC-CDMA) communications systems,are systematically studied. The problem of designing such codes is reformulated as a new ... 详细信息
来源: 评论
Quaternary Constant-Amplitude Codes for multicode CDMA
Quaternary Constant-Amplitude Codes for Multicode CDMA
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IEEE International Symposium on Information Theory
作者: Schmidt, Kai-Uwe Tech Univ Dresden Commun Lab D-01062 Dresden Germany
A constant-amplitude code is a code that reduces the peak-to-average power ratio (PAPR) in multicode code-division multiple access (MC-CDMA) systems to the favorable value 1. In this paper, quaternary constant-amplitu... 详细信息
来源: 评论
Performance of Wavelet Packets Based Multicarrier multicode CDMA Communication System in the Presence of Narrowband Jamming
Performance of Wavelet Packets Based Multicarrier Multicode ...
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1st International Conference on Communications, Signal Processing, and their Applications (ICCSPA)
作者: Akho-Zahieh, Maryam Saleh, Khalil Abdellatif, Nasser Appl Sci Private Univ Elect & Comp Engn Dept Amman 11931 Jordan
In this paper, the performance of multicarrier (MC), multicode (MCD), code division multiple access (CDMA) system employing wavelet packets (WPs) for modulation in the presence of narrowband jamming is investigated. T... 详细信息
来源: 评论
Optimal power distribution control under different total power constraint strategies for multicode MC-CDMA with zero-forcing successive interference cancellation
Optimal power distribution control under different total pow...
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IEEE Wireless Communications and Networking Conference
作者: Tan, M Bar-Ness, Y New Jersey Inst Technol Dept ECE CCSPR Newark NJ 07102 USA
multicode multi-carrier CDMA (MC-CDMA) is a promising candidate for supporting multimedia services in future wireless communications. However, the performance of this system is limited by self-interference (SI) and mu... 详细信息
来源: 评论
Equal BER power distribution control for multicode MC-CDMA with MMSE successive interference cancellation
Equal BER power distribution control for multicode MC-CDMA w...
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IEEE International Conference on Communications (ICC 2004)
作者: Tan, MZ Bar-Ness, Y New Jersey Inst Technol ECE Dept Ctr Commun & Signal Proc Res Newark NJ 07102 USA
multicode multi-carrier CDMA (MC-CDMA) is a promising candidate for supporting multimedia services in future wireless communications. However, the performance of this system is limited by self-interference (SI) of use... 详细信息
来源: 评论
A Mnemonic Multiuser Detector Based on Genetic Algorithm in multicode LAS-CDMA System
A Mnemonic Multiuser Detector Based on Genetic Algorithm in ...
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5th International Conference on Wireless Communications, Networking and Mobile Computing
作者: Liao, Hancheng Jiangxi Univ Finance & Econ Sch Elect Nanchang 330013 Peoples R China
Multiple access interference still exists in large-area-synchronized code division multiple access (LAS-CDMA) system when the LAS multicode is implemented. The generation of spreading sequences is given. Genetic algor... 详细信息
来源: 评论
Frequency-domain Soft Interference Cancellation for multicode CDMA Transmissions
Frequency-domain Soft Interference Cancellation for Multicod...
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63rd IEEE Vehicular Technology Conference
作者: Ishihara, Koichi Takeda, Kazuaki Adachi, Fumiyuki Tohoku Univ Dept Elect & Commun Engn Grad Sch Engn Sendai Miyagi 980 Japan
Frequency-domain equalization (FDE) based on minimum mean square error (MMSE) criterion can significantly improve the BER performance of DS- and MC-CDMA signal transmissions in a severe frequency-selective fading chan... 详细信息
来源: 评论
Optimum modulation and multicode formats in CDMA systems with multiuser receivers
Optimum modulation and multicode formats in CDMA systems wit...
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20th Annual Joint Conference of the IEEE-Computer-Society/IEEE-Communication-Society
作者: Ulukus, S Biglieri, E Win, MZ AT&T Labs Res Hoboken NJ USA
We study the problem of maximizing the total system throughput under a bit error rate constraint for all users in the uplink of a single-cell synchronous CDMA system. Users realize variable bit rates by using a combin... 详细信息
来源: 评论