Characterization of the Body-Area Propagation Channel for Monitoring a Subject Sleeping

被引：30
|
作者：
Smith, David B. [1 ,2 ]
Miniutti, Dino [1 ,2 ]
Hanlen, Leif W. [1 ,2 ]
机构：
[1] NICTA, Canberra Res Lab, Canberra, ACT 2600, Australia
[2] Australian Natl Univ, Canberra, ACT 0200, Australia
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2011年 / 59卷 / 11期
基金：
澳大利亚研究理事会;
关键词：
Body area networks; channel modeling; outage duration; outage probability; relay communication; sleep monitoring; MODEL; NETWORKS;
D O I：
10.1109/TAP.2011.2164209
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A dynamic characterization of the wireless body-area communication channel for monitoring a sleeping person is presented. The characterization uses measurements near the 2.4 GHz ISM band with measurements of eight adult subjects each over a period of at least 2 hours. Numerous transmit-receive pair (Tx-Rx) locations on and off the body for a typical body-area-network (BAN) are used. Three issues are addressed: 1) modeling of channel gain, 2) outage probability, and 3) outage duration. It is shown that over very large durations (far in excess of a delay requirement of 125 ms that is typical for many IEEE 802.15.6 medical BAN applications) there is not a reliable communications channel for star-topology BAN. The best case outage probability, with 0 dBm Tx power and -100 dBm Rx sensitivity, is in excess of a packet-error-rate of 10%. Following from these issues the feasibility of using alternate on-body or off-body links as relays is demonstrated.
引用
收藏
页码：4388 / 4392
页数：6
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