基于人体信道预测和体征信息识别的无线体域网传输技术研究

Body area network (BAN) is a key technology of solving remote medical diagnosis,mobile clinic,health evaluation and consultation, and communicity health care, which can greatly ease the outstanding contradiction of current shortage of medical resources and low utilization rate. Highly weffective and reliable data transmission is significant technology reqiurement in the BAN implementation process.This project aims to the characteristics of the BAN system achitecture and presents a data transmission scheme based on electrocardio characteristics and short channel parameters.The main research contents include designing the dynamic posture models, calculating path loss values, exploring the method of evaluating the short range channel quality, proposing algorithms of vital signal preprocessing and character recognition, designing the methods of resource allocation and access protocol and cross-layer optimzation based on obtained characteristic values of vital signs and channel quntitization parameters. The proposed scheme is constructed from the inherent features of the BAN system,adopts both vital information and wireless channel characteristcs to form the BAN transmitting system, balance the calculation complexity of the sensor nodes and smart terminal, and has the advantages of stable connection and reliable transmission and high energy efficiency.

身体局域网（Body Area Network， BAN）是解决远程医疗诊断、移动临床、健康评估与咨询、社区保健等医疗卫生领域信息化难题的关键技术之一，能极大缓解目前医疗资源匮乏、利用率低的突出矛盾。其中，高效可靠的数据传输是身体局域网实现过程中极其重要的技术需求。该项目针对BAN体系结构的特点，提出一种基于生命体征参数与短距离信道参数的数据传输方案，其主要研究内容包括设计人体动态姿势模型，计算路径损耗，研究短距离信道质量估计方法，开发体征信号预处理和特征识别算法，根据得到的体征信息特征值和信道量化参数设计资源分配方法和接入协议以及跨层优化。该方案从BAN系统自身固有特点出发，同时采用生理信息和无线信道特征构建传输方案，平衡了传感器节点和智能终端的运算复杂度，具有连接稳定、传输可靠、能耗效率高等优势。

身体局域网（Body Area Network，BAN）是解决远程医疗诊断、移动临床、健康评估与咨询、社区保健等医疗卫生领域信息化难题的关键技术之一，能极大缓解目前医疗资源匮乏、利用率低的突出矛盾。其中，高效可靠的数据传输是身体局域网实现过程中极其重要的技术需求。该项目针对BAN体系结构的特点，提出一种基于生命体征参数与短距离信道参数的数据传输方案，其主要研究内容包括研究短距离信道质量估计方法，开发体征信号预处理和特征识别算法，设计资源分配方法和接入协议，提出数据加密方法。该方案从BAN系统自身固有特点出发，同时采用生 理信息和无线信道特征构建传输方案，平衡了传感器节点和智能终端的运算复杂度，具有连接稳定、传输可靠、能耗效率高等优势