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首页> 外文期刊>International journal of antennas and propagation >Improved Successive Interference Cancellation for MIMO/UWB-Based Wireless Body Area Network
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Improved Successive Interference Cancellation for MIMO/UWB-Based Wireless Body Area Network

机译：基于MIMO / UWB的无线人体局域网的改进的连续干扰消除

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In body area networks, various sensors are attached to clothing or on the body or even implanted under the skin. The sensors measure such as heart beat, the record of prolonged electrocardiogram, blood pressure, and so on. In this paper, an improved Successive interference cancellation (SIC) scheme based on zero correlation zone sequences is proposed. Here ZCZ is used as a random code for TH PPM UWB system. Nodes in a WBAN are connected through wireless communication channel within a very close range. The decrease in internode distance leads to interference between devices. To reduce this interference, an enhanced successive interference cancellation scheme based on ZCZ with optimal ordering is adopted. Because of zero correlation property of ZCZ, the performance of TH PPM UWB system through WBAN channel with ZCZ sequences outperforms performance of existing zero correlation duration code. In this paper, performance of UWB system for various modulation schemes are compared. Performance of UWB/MIMO (2×2) system employing SIC with optimal ordering using ZCZ codes also compared with pseudorandom (PN) and ZCD codes. Simulation results are obtained using sample biological functions as input to the proposed TH PPM UWB/MIMO (2×2) system with m-ZCZ codes in WBAN environment with multiple devices.
机译：在人体局域网中，各种传感器都附着在衣服上或身上，甚至植入皮肤下。传感器测量诸如心跳，长时间的心电图记录，血压等。本文提出了一种基于零相关区域序列的改进的连续干扰消除（SIC）方案。这里，ZCZ用作TH PPM UWB系统的随机代码。 WBAN中的节点通过非常近的范围内的无线通信通道连接。节点间距离的减小导致设备之间的干扰。为了减少这种干扰，采用了基于ZCZ且具有最佳排序的增强型连续干扰消除方案。由于ZCZ的零相关性，TH PPM UWB系统通过具有ZCZ序列的WBAN信道的性能优于现有的零相关持续时间码。本文比较了UWB系统在各种调制方案下的性能。与伪随机（PN）和ZCD码相比，采用SIC的UWB / MIMO（2×2）系统的性能以及使用ZCZ码的最佳排序也是如此。使用示例生物功能作为拟议的TH PPM UWB / MIMO（2×2）系统的输入，在具有多个设备的WBAN环境中使用m-ZCZ代码获得了仿真结果。

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