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Abstract-Non-binary low-density parity-check (NB-LDPC) codes can achieve better error-correcting performance than binary LDPC codes when the code length is moderate. In this paper, we give the different initial step for different modulation and present a hardware implementation of the extended min-sum (EMS) decoding algorithm for non-binary LDPC codes. Moreover, an FPGA simulation over GF(16) is given...
In this paper, we discuss the problem of inter-cell interference cancellation for uplink coordinated multipoint system based on non-binary transmission. Firstly, the design of coder, mapper, demapper and decoder for non-binary code modulation system has been analyzed. Then, the cooperative detection for multi-cell non-binary uplink is presented. The performance comparison based on simulation results...
The vector dirty paper coding (DPC) can achieve rate region for multicell cooperation system. Conventional DPC implementation approach suffer the capacity loss due to quantization which lead to modulo loss. In this paper, we proposed a vector DPC transmission scheme with non-binary LDPC codes and low density generator matrix based quantizer for multicell processing. And the random coding based proof...
In this paper, we proposed a joint design scheme between sphere decoding and user scheduling for multiuser MIMO uplink system. This is a cross layer design scheme which adopt the channel quality information based on user scheduling to reduced the search radius of sphere detector, it leads the better bit error ratio performance and low complexity than conventional sphere detection with fixed search...
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