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zhengzhihang
(5 results)-
Whitepapers
The Random Beamforming Method for Wireless Physical Layer Security
August 8, 2012, 12:00am PDT
At present, wireless physical layer security is a hot topic. The present a Random Beamforming Security (RBS) method in this paper, with which the system secrecy capacity can be positive, even when...
Provided by zhengzhihang
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Whitepapers
Minimum Bit Error Rate Beamforming Receiver for Space-Division Multiple-Access Based Quadrature Amplitude Modulation Systems
March 12, 2012, 12:00am PDT
The authors considers the beam-forming assisted multiple-antenna receiver for space-division multiple-access based multiuser systems that employ high-throughput Quadrature Amplitude Modulation...
Provided by zhengzhihang
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Whitepapers
Cryptanalysis of RAKAPOSHI Stream Cipher
December 11, 2012, 12:00am PST
Stream ciphers are symmetric encryption algorithms based on the concept of pseudorandom key-stream generator. Although it seems rather difficult to construct a very fast and secure stream cipher,...
Provided by zhengzhihang
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Whitepapers
Stochastic Optimization Assisted Joint Channel Estimation and Multi-User Detection for OFDM/SDMA
June 9, 2012, 12:00am PDT
Stochastic optimization assisted joint Channel Estimation (CE) and Multi-User Detection (MUD) was conceived and compared in the context of multi-user Multiple-Input Multiple-Output (MIMO) aided...
Provided by zhengzhihang
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Whitepapers
Differential Evolution Algorithm Aided Minimum Symbol Error Rate Multi-user Detection for Multi-user OFDM/SDMA Systems
July 14, 2011, 12:00am PDT
A Differential Evolution (DE) algorithm assisted Minimum Symbol Error Ratio (MSER) Multi-User Detection (MUD) scheme is proposed for multi-user Multiple-Input Multiple-Output (MIMO) aided...
Provided by zhengzhihang
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Whitepapers
Differential Evolution Algorithm Aided Minimum Symbol Error Rate Multi-user Detection for Multi-user OFDM/SDMA Systems
July 14, 2011, 12:00am PDT
A Differential Evolution (DE) algorithm assisted Minimum Symbol Error Ratio (MSER) Multi-User Detection (MUD) scheme is proposed for multi-user Multiple-Input Multiple-Output (MIMO) aided...
Provided by zhengzhihang
-
Whitepapers
Stochastic Optimization Assisted Joint Channel Estimation and Multi-User Detection for OFDM/SDMA
June 9, 2012, 12:00am PDT
Stochastic optimization assisted joint Channel Estimation (CE) and Multi-User Detection (MUD) was conceived and compared in the context of multi-user Multiple-Input Multiple-Output (MIMO) aided...
Provided by zhengzhihang
-
Whitepapers
Cryptanalysis of RAKAPOSHI Stream Cipher
December 11, 2012, 12:00am PST
Stream ciphers are symmetric encryption algorithms based on the concept of pseudorandom key-stream generator. Although it seems rather difficult to construct a very fast and secure stream cipher,...
Provided by zhengzhihang
-
Whitepapers
Minimum Bit Error Rate Beamforming Receiver for Space-Division Multiple-Access Based Quadrature Amplitude Modulation Systems
March 12, 2012, 12:00am PDT
The authors considers the beam-forming assisted multiple-antenna receiver for space-division multiple-access based multiuser systems that employ high-throughput Quadrature Amplitude Modulation...
Provided by zhengzhihang
-
Whitepapers
The Random Beamforming Method for Wireless Physical Layer Security
August 8, 2012, 12:00am PDT
At present, wireless physical layer security is a hot topic. The present a Random Beamforming Security (RBS) method in this paper, with which the system secrecy capacity can be positive, even when...
Provided by zhengzhihang
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