Keyword : DS/CDMA


Low-Complexity Conjugate Gradient Algorithm for Array Code Acquisition
Hua-Lung YANG Wen-Rong WU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5 ; pp. 1193-1200
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
code acquisitionsynchronizationDS/CDMAantenna arraysadaptive filteringconjugate gradient algorithm
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Adaptive DS/CDMA Packet Radio Communications over Indoor Multipath Fading Channels
Ye Hoon LEE Seokho YOON Sun Yong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5 ; pp. 1162-1170
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS/CDMAadaptive systemsindoor fading channels
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Signal Design to Optimize Trade-Off between Bandwidth Efficiency and Power Efficiency in Uplink CDMA Systems
Atsurou HANDA Masahiro FUJII Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11 ; pp. 3032-3041
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DS/CDMAMC/CDMAfrequency-domain processingbandwidth efficiencypower efficiencysignal design
 Summary | Full Text:PDF

Code Acquisition in DS/CDMA Systems by Employing a Detector Based on a posteriori Probability Calculation
M. Tahir Abbas KHAN Nobuoki ESHIMA Yutaka JITSUMATSU Tohru KOHDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10 ; pp. 4047-4055
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
code acquisitionDS/CDMAmultiuser systemsa posteriori probability
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On the Optimal Chip Rate of Adaptive Power and Rate DS/CDMA Communication Systems in Nakagami Fading Channels
Ye Hoon LEE Dong Ho KIM Hong Jik KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9 ; pp. 3798-3801
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
optimal chip rateadaptive power and rateDS/CDMANakagami fading
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Optimum Beamforming Considering the Performance Improvement on DS/CDMA Systems
Kyungseok KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10 ; pp. 3130-3135
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
adaptive antenna arrayDS/CDMAarray signal processing
 Summary | Full Text:PDF

A Novel Signal Enhancement Scheme for Adaptive Antenna Arrays in Multirate DS/CDMA Systems
Kyungseok KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10 ; pp. 2780-2789
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
adaptive antenna arrayDS/CDMAarray signal processing
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A Fast Blind Multiple Access Interference Reduction in DS/CDMA Systems Based on Adaptive Projected Subgradient Method
Renato L. G. CAVALCANTE Isao YAMADA Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8 ; pp. 1973-1980
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Signal Processing for Communications
Keyword: 
DS/CDMAmultiple access interference (MAI)adaptive projected subgradient methodinterference suppressionblind detection
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Blind Adaptive Beamformer for Cyclostationary Sources with Application to CDMA Systems
Teruyuki MIYAJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/05/01
Vol. E87-A  No. 5 ; pp. 1258-1269
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
cyclostationarityDS/CDMAadaptive array antennablind algorithmhigher-order statistics
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Performance Enhancement Scheme for Adaptive Antenna Arrays in DS/CDMA Systems
KyungSeok KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6 ; pp. 2035-2040
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
adaptive antenna arrayDS/CDMAarray signal processing
 Summary | Full Text:PDF

An Adaptive MSINR Filter for Co-channel Interference Suppression in DS/CDMA Systems
Yutaro MINAMI Kohei OTAKE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/01/01
Vol. E86-A  No. 1 ; pp. 235-243
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
DS/CDMAspread-spectrum communicationadaptive filterinterference suppressionSINR
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Fast Acquisition of PN Sequences in DS/CDMA Systems
Sergei BYCHENKOV Vladimir MIKHAILOV Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/11/01
Vol. E85-A  No. 11 ; pp. 2498-2520
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
fast acquisitionPN sequencedecomposition of sequencescomponent sequenceDS/CDMA
 Summary | Full Text:PDF

MC-VSG BNet System for High-Rate Multimedia Applications
Young-Hwan YOU Cheol-Hee PARK Dae-Ki HONG Min-Chul JU Myoung-Jin KIM Jin-Woong CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10 ; pp. 2126-2135
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
WPAN systemMC-VSG BNetDS/CDMAcode selection
 Summary | Full Text:PDF

Performance Evaluation of Pilot Symbol Assisted Power Control in CDMA Systems
Moh Lim SIM Hean Teik CHUAH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/07/01
Vol. E85-B  No. 7 ; pp. 1257-1264
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
cellular systempower controlDS/CDMARayleigh fading
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Efficient Signal Enhancement Scheme for Adaptive Antenna Arrays in Nakagami Multipath Fading with Power Control Error
Kyungseok KIM Simon R. SAUNDERS 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/06/01
Vol. E85-B  No. 6 ; pp. 1105-1114
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
adaptive antenna arrayDS/CDMAarray signal processing
 Summary | Full Text:PDF

Performance of SIC Scheme with an Activity-Based Disparity Estimation in a DS/CDMA System
Chiho LEE Gwangzeen KO Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2 ; pp. 495-501
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
DS/CDMAsuccessive interference cancellationactivity-based disparity estimationnumber of active usersdetection order among active users
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Timing Estimation of CDMA Communication Based on MVDR Beamforming Technique
Wei-Chiang WU Jiang-Whai DAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2147-2151
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
minimum variance distortionless response (MVDR) beamformingmultiuser timing estimatornear-far resistantDS/CDMA
 Summary | Full Text:PDF

A Modified Acquisition Method Using Code-Orthogonalizing Filters in Asynchronous DS/CDMA
Chiyo NAKANO Masaaki TAHARA Masanori HAMAMURA Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2143-2146
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS/CDMAcode-orthogonalizing filtersynchronous acquisition methodcorrelation function
 Summary | Full Text:PDF

The Effect of Multirate Data Transmission on Spectral Efficiency in DS/CDMA Cellular Systems
Dong Hee KIM Woong SUN Keum Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/05/25
Vol. E83-B  No. 5 ; pp. 1144-1147
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS/CDMAmultirate data transmissionintercell interference
 Summary | Full Text:PDF

Theoretical and Approximate Derivation of Bit Error Rate in DS-CDMA Systems under Rician Fading Environment
Fumihito SASAMORI Fumio TAKAHATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12 ; pp. 2660-2668
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS/CDMAbit error ratefrequency non-selective fadingRician fading
 Summary | Full Text:PDF

Analysis of the Relation between Chip Rate and Capacity in DS/CDMA Cellular Systems Considering Adjacent Channel Interference
Kouta KINOSHITA Hiroyuki ATARASHI Yoshihiro ISHIKAWA Seizo ONOE Yoshinobu NAKAMURA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12 ; pp. 2697-2705
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
chip rateDS/CDMAadjacent channel interference
 Summary | Full Text:PDF

Suppression Effects of Multiple Access Interference in DS/CDMA with Code-Diversity
Tetsuya SEKI Masanori HAMAMURA Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12 ; pp. 2720-2727
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
code-diversityDS/CDMAnear-far problemmultiple access interferencemaximal ratio combining
 Summary | Full Text:PDF

Effect of Spreading Bandwidth on DS-CDMA Reverse Link Capacity
Hirohito SUDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12 ; pp. 2160-2163
Type of Manuscript:  LETTER
Category: Mobile Communication
Keyword: 
DS/CDMAmobile radiocapacityspreading bandwidthreverse link
 Summary | Full Text:PDF

Adaptive Channel Estimation for Coherent DS-CDMA Mobile Radio Using Time-Multiplexed Pilot and Parallel Pilot Structures
Sadayuki ABETA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/09/25
Vol. E82-B  No. 9 ; pp. 1505-1513
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
adaptive channel estimationDS/CDMApilot channelcoherent RAKE
 Summary | Full Text:PDF

A Fast Transmit Power Control Based on Markov Transition for DS-CDMA Mobile Radio
Hirohito SUDA Hiroyuki KAWAI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8 ; pp. 1353-1362
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
fast TPCMarkov transitionDS/CDMAmobile radio
 Summary | Full Text:PDF

Single-User Receiver Based on Orthogonalizing Matched Filter Using Multi-Dimensional Lattice Filters for DS/CDMA
Daisuke JITSUKAWA Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8 ; pp. 1566-1574
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
DS/CDMAco-channel interferenceorthogonalizing matched filterlattice filter
 Summary | Full Text:PDF

Coherent Detection for DS/CDMA System with M-Ary Orthogonal Modulation in Multipath Fading Channels
Sung-Jin KANG Min-Goo KANG Chang-Eon KANG Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/07/25
Vol. E82-B  No. 7 ; pp. 1084-1087
Type of Manuscript:  LETTER
Category: Mobile Communication
Keyword: 
M-ary orthogonal modulationDS/CDMAchannel estimationcoherent detection
 Summary | Full Text:PDF

A Novel Receiver Design for DS-CDMA Systems under Impulsive Radio Noise Environments
Sakda UNAWONG Shinichi MIYAMOTO Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/06/25
Vol. E82-B  No. 6 ; pp. 936-943
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
DS/CDMAclass-A impulsive noisestatistical dependence between the quadrature componentsmicrowave oven noisechip-interleaving
 Summary | Full Text:PDF

Analysis of Erlang Capacity for the Multimedia DS-CDMA Systems
Insoo KOO JeeHwan AHN Jeong-A LEE Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/05/25
Vol. E82-A  No. 5 ; pp. 849-855
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
DS/CDMAErlang capacitymultimedia
 Summary | Full Text:PDF

One-Shot Near-Far Resistant Detection Scheme for DS/CDMA Systems over Nakagami-m Fading Channel
Jyh-Horng WEN Jia-Shin JENG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11 ; pp. 2298-2303
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
near-far resistant detectionmultiuser detectionDS/CDMANakagami-m fading channel
 Summary | Full Text:PDF

Improvement Methods of Propagation Error for Multiple Access Interference Successive Cancellation Techniques in DS/CDMA
Hideo FUJII Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1423-1429
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
DS/CDMAmultiple access interference cancellationsuccessive cancellationpropagation error
 Summary | Full Text:PDF

Performance of Adaptive Array Antennas with Multicarrier DS/CDMA in a Mobile Fading Environment
Yukitoshi SANADA Michael PADILLA Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1392-1400
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
software radioadaptive antennasmulticarrierDS/CDMA
 Summary | Full Text:PDF

Two-Dimensional RAKE Reception Scheme for DS/CDMA Systems in Beam Space Digital Beam Forming Antenna Configuration
Takashi INOUE Yoshio KARASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1374-1383
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS/CDMARAKE reception2D-RAKEanti-fading techniquewideband propagation channel model
 Summary | Full Text:PDF

Power Distribution Algorithm in DS/CDMA Distributed Power Cellular System
Hiroshi TAJIRI Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1415-1422
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
micro-cellularDS/CDMAdistributed transmitting powernonuniform distributionpath assignmentmodified calculation algorithm
 Summary | Full Text:PDF

Performance Evaluation of DS/CDMA Hybrid Acquisition in Multipath Rayleigh Fading Channel
Bub-Joo KANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/08/25
Vol. E80-B  No. 8 ; pp. 1255-1263
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
synchronizationcode acquisitionDS/CDMAmultipath Rayleigh fading channel
 Summary | Full Text:PDF

Adaptive Coding Rate and Process Gain Control with Channel Activation for Multi-Media DS/CDMA Systems
Sadayuki ABETA Seiichi SAMPEI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/04/25
Vol. E80-B  No. 4 ; pp. 581-588
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
DS/CDMAchannel activationsoft power controladaptive modulation
 Summary | Full Text:PDF

Performance Evaluation of a Variable Processing Gain DS/CDMA System
Dugin LYU Yangsoo PARK Iickho SONG Hyung-Myung KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/02/25
Vol. E80-A  No. 2 ; pp. 393-399
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
multiple bit ratevariable processing gainDS/CDMAcrosscorrelationspreading codesaverage bit error rate
 Summary | Full Text:PDF

Centralized and Distributed Down-Link Power Control Methods for a DS/CDMA Cellular Mobile Radio System
Chung-Ju CHANG Fang-Ching REN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/02/25
Vol. E80-B  No. 2 ; pp. 366-371
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
down-linkDS/CDMAfadingpower control
 Summary | Full Text:PDF

Acquisition Performance of a DS/CDMA System in a Mobile Satellite Environment
Jin Young KIM Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/01/25
Vol. E80-B  No. 1 ; pp. 40-48
Type of Manuscript:  Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era)
Category: Modem and Coding
Keyword: 
acquisitionDS/CDMAmobile satellitepower control error
 Summary | Full Text:PDF

Pilot Symbol-Assisted Coherent Multistage Interference Canceller Using Recursive Channel Estimation for DS-CDMA Mobile Radio
Mamoru SAWAHASHI Yoshinori MIKI Hidehiro ANDOH Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9 ; pp. 1262-1270
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: Modulation, Equalization and interference cancellation technologies
Keyword: 
mobile radio communicationDS/CDMAinterference cancellerpilot symbolchannel estimation
 Summary | Full Text:PDF

Performance Evaluation of Parallel Acquisition in Cellular DS/CDMA Reverse Link
Bub-Joo KANG Hyung-Rae PARK Chang-Eon KANG Jung-Young SON 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9 ; pp. 1301-1308
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: CDMA and multiple access technologies
Keyword: 
cellular mobile radioDS/CDMAcode acquisitionrandom accessmultipath Rayleigh fading channel
 Summary | Full Text:PDF

Performance Evaluation for Imperfectly Power Controlled DS/CDMA Slotted Cellular Systems in Rician Fading Channel
Jun Chul KIM Kyung Sup KWAK 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/06/25
Vol. E79-A  No. 6 ; pp. 796-803
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1995 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC '95))
Category: 
Keyword: 
DS/CDMArician fadingimperfect power controlBERuser capacity
 Summary | Full Text:PDF

A Spatially and Temporally Optimal Multi-User Receiver Using an Array Antenna for DS/CDMA
Minami NAGATSUKA Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/11/25
Vol. E78-B  No. 11 ; pp. 1489-1497
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing Technology in Antennas)
Category: 
Keyword: 
adaptive array antennaoptimal receivermaximum likelihood sequence estimatorViterbi estimatorViterbi algorithmmulti-user receiverDS/CDMA
 Summary | Full Text:PDF

On the Capacity of DS/CDMA Cellular Mobile Radios under Imperfect Transmitter Power Control
Eisuke KUDOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8 ; pp. 886-893
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS/CDMAtransmitter power controltraffic capacitycellular
 Summary | Full Text:PDF