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In this paper, we propose and simulate an efficient interference cancellation scheme with optimally ordered successive interference cancellation (SIC) algorithm for UWB/ MIMO systems. As a spreading code, zero correlation duration (ZCD) code with robust multiple access interference (MAI) capability is employed. The performance is evaluated in terms of bit error rate (BER). From simulation results,...
In this paper, we propose and analyze ultra wide band (UWB) systems employing binary ZCD (zero correlation duration) code for wireless body area network (WBAN). When there are several wireless communication devices on a human body, multiple access interference (MAI) can occur. Hence, in order to reject MAI and enhance overall system performance, binary ZCD code is utilized as spreading code for UWB...
In this paper, we propose and analyze ultra wide band (UWB) systems employing binary ZCD (zero correlation duration) code for wireless body area network (WBAN). The performance is evaluated in terms of bit error rate (BER). From simulation results, it is confirmed that the UWB system with the ZCD code achieves better performance compared with that of pseudonoise (PN) code. The results of the paper...
In this paper, we analyze and simulate performance of space time block coded (STBC) binary pulse amplitude modulation-direct sequence (BPAM-DS) ultra-wideband (UWB) systems with double binary turbo code in indoor environments. The indoor wireless channel is modeled as a modified Saleh and Valenzuela (SV) channel, which is proposed as a UWB indoor channel model by IEEE 802.15.SG3a. From simulation...
In this paper, the performance of a double binary turbo coded space time block code-ultra wide band (STBC-UWB) system is analyzed and simulated in multi-user environments. From the simulation results, it is demonstrated that the double binary turbo coding technique offers considerable coding gain with reasonable encoding and decoding complexity. It is confirmed that the double binary turbo coding...
In this paper, we analyze and simulate the iterative decoding performance of space time block coded (STBC) pulse position modulation-time hopping (PPM-TH) ultra-wideband (UWB) systems in indoor environments. The indoor wireless channel is modeled as a modified Saleh and Valenzuela (SV) channel, which is proposed as a UWB indoor channel model by IEEE 802.15.SG3a. In order to reduce the iterative decoding...
In this paper, performance of binary pulse position modulation-time hopping (BPPM-TH) and the binary pulse amplitude modulation-direct sequence (BPAM-DS) ultra wide band (UWB) systems with a double binary turbo code is analyzed and simulated in an indoor wireless channel. The indoor wireless channel is modeled as a modified Saleh and Valenzuela (SV) channel. The performance is evaluated in terms of...
In this paper, the performance of a non-binary turbo coded ultra wide band (UWB) system is analyzed and simulated in multi-user environments. A binary pulse position modulation-time hopping (BPPM-TH) UWB system is considered. The performance is evaluated in terms of bit error probability. Simulation results demonstrate that the performance of such a UWB system can be substantially improved by increasing...
In this paper, the performance of double-binary turbo coded time hopping-pulse position modulation ultra wide band (TH-PPM UWB) systems with multiple receive antennas is analyzed in a modified Saleh and Valenzuela (SV) model. Because the UWB channel is highly time scattered and a transmit waveform's power is limited to low level, a data signal is distorted by channel error. Thus, we apply the double-binary...
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