• No results found

modulation space-time block codes

Performance Analysis of Low Density Parity Check Codes Aided Block Diagonalization using Space Time Block Codes for MIMO Systems

Performance Analysis of Low Density Parity Check Codes Aided Block Diagonalization using Space Time Block Codes for MIMO Systems

... 3. S. Sarkar, M. S. Rahman, “Optimal BER in MIMO Rayleigh fading channel from QPSK Modulation: Modified MMSE Versus ML Equalizer Evaluation,” International Journal of Electronics and Informatics, vol. 2, no. 1, ...

5

Cooperative MIMO Relaying with Orthogonal Space-Time Block Codes in Wireless Channels with and without Keyholes

Cooperative MIMO Relaying with Orthogonal Space-Time Block Codes in Wireless Channels with and without Keyholes

... orthogonal space-time code (OSTBC) [28] with M-ary phase shift keying (M-PSK) and M-ray quadrature amplitude modulation (M-QAM) constellations over keyhole MIMO channels was analyzed in ...

15

Space Time Trellis and Space Time Block Coding Versus Adaptive Modulation and Coding Aided OFDM for Wideband Channels

Space Time Trellis and Space Time Block Coding Versus Adaptive Modulation and Coding Aided OFDM for Wideband Channels

... PACE-TIME block (STB) codes were proposed in the seminal contributions of Alamouti [1], as well as Tarokh et ...Furthermore, space-time trellis (STT) codes [6]–[11] were proposed ...

15

Performance Evaluation of Space Time Block Codes Using Bit Error Rate in MIMO Systems

Performance Evaluation of Space Time Block Codes Using Bit Error Rate in MIMO Systems

... As shown in figure OSTBC encoder first input symbols modulated, in this simulation QPSK and 16-QAM modulation scheme are consider. Then modulated symbols are applied to OSTBC convertor. From here symbols are ...

9

Multiple Antenna Channel Codes for Satellite Communication

Multiple Antenna Channel Codes for Satellite Communication

... super-orthogonal block codes (SOBC) and set partitioning technique in its ...original block code by an angle ...other space-time coding schemes, ...a modulation scheme for ...

5

Performance analysis of space time block 
		codes in LTE advanced system

Performance analysis of space time block codes in LTE advanced system

... The code matrices and complex generalized designs for OSTBC with rate 3/4 for three and four transmit antennas are shown in [10]. Obviously, some transmitted signal samples are scaled the linear combinations of the ...

6

Pragmatic Space-Time Codes for Cooperative Relaying in Block Fading Channels

Pragmatic Space-Time Codes for Cooperative Relaying in Block Fading Channels

... of space-time codes for cooperative communications in block fading ...convolutional codes and BPSK/QPSK modulation to obtain cooperative codes for relay networks, for ...

11

Transmission and Reception of Grey Scale Image Through Rayleigh Channel Using Concatenated STBC and Different Channel Codes

Transmission and Reception of Grey Scale Image Through Rayleigh Channel Using Concatenated STBC and Different Channel Codes

... Alamouti Space Time Block Codes (STBC) system, and then it is transmitted through Concatenated Alamouti STBC with Convolution codes, then through Concatenated Alamouti STBC with Hamming ...

5

Performance Analysis of Mimo-Wimax System Using Space Time Block Codes

Performance Analysis of Mimo-Wimax System Using Space Time Block Codes

... different modulation schemes(QPSK,8-PSK,16-QAM,64-QAM,128QAM) with ½ code rate to analyse BER performance under AWGN, Rayleigh and Rician channels with the help of ...different modulation schemes give ...

6

Decoding Schemes for FBMC with Single-Delay STTC

Decoding Schemes for FBMC with Single-Delay STTC

... as Space-Time Block Codes (STBC) or Space-Time Trellis Coding (STTC) [6, 7], the decoding process cannot be done in the same way as with CP-OFDM ...

11

A simple importance sampling technique for orthogonal space time block codes on Nakagami fading channels

A simple importance sampling technique for orthogonal space time block codes on Nakagami fading channels

... where Q( · ) is the Gaussian Q-function, β = 2λ in the case of binary phase-shift keying (BPSK), β = M−1 3λ in the case of M-quadrature amplitude modulation (QAM) transmission with Gray mapping, and the parameter ...

7

Near Instantaneously Adaptive Cooperative Schemes based on Space Time Block Codes and V BLAST

Near Instantaneously Adaptive Cooperative Schemes based on Space Time Block Codes and V BLAST

... a time slot for broadcasting his/her data to the other cooperating users in the same layer, before communicating with the ...four time slots for the four users to com- municate their data amongst each other ...

5

Differential Space Time Block Code Modulation for DS CDMA Systems

Differential Space Time Block Code Modulation for DS CDMA Systems

... recently, space-time block codes (STBC) based differential space-time block code (DSTBC) modulation scheme was proposed in ...DSTBC modulation scheme is more ...

8

Space Time Block Coded Adaptive Modulation Aided OFDM

Space Time Block Coded Adaptive Modulation Aided OFDM

... proposed space-time trellis coding by jointly designing the channel coding, modulation, transmit diversity and the optional receiver diversity ...resultant space-time trellis ...

5

Performance Study of the Association TCM UGM/STBC to Reduce Transmission Errors of JPEG Images

Performance Study of the Association TCM UGM/STBC to Reduce Transmission Errors of JPEG Images

... combine space-time block codes with Trellis Coded Modulation (TCM) [5,6], and TCM-UGM [7] in order to achieve additional coding ...

7

A Simple Differential Modulation Scheme for Quasi Orthogonal Space Time Block Codes with Partial Transmit Diversity

A Simple Differential Modulation Scheme for Quasi Orthogonal Space Time Block Codes with Partial Transmit Diversity

... A block of symbols in the format of (2) or (24) is sent first as the reference, which carries no information and is unknown to the ...slowly time-varying channel, but since the decoding algorithm does not ...

7

Hierarchical space–time block codes signals classification using higher order cumulants

Hierarchical space–time block codes signals classification using higher order cumulants

... order modulation, and they require a priori information, such as channel coeffi- cients, modulation scheme, carrier frequency offset and carrier ...the spacetime correlation of received ...

9

Diversity Analysis for Relay-Assisted Distributed BICM-OSTBC- OFDM System

Diversity Analysis for Relay-Assisted Distributed BICM-OSTBC- OFDM System

... coded modulation (BICM) [1] has been popularly used for channel-coded transmission, owing to its flexibility in the tradeoff between bit error performance and decoding complexity ...orthogonal ...

7

DIVERSITY analysis in MIMO systems using OSTBC(Orthogonal Space Time Block Codes

DIVERSITY analysis in MIMO systems using OSTBC(Orthogonal Space Time Block Codes

... diversity, time diversity, antenna diversity, modulation diversity, ...Spatial Time Block codes (STBC) which is a old technique ...this codes we designed Orthogonal Space ...

5

Robust Coding Methods For Space-Time Wireless Communications

Robust Coding Methods For Space-Time Wireless Communications

... full-diversity space-time block codes with bit-interleaved coded ...bit-interleaved space-time coded modulation ...that codes constructed in this way achieve full ...

91

Show all 10000 documents...

Related subjects