A Group of People Acts like a Black Body in a Wireless Mesh Network

A wireless mesh network (WMN) is being considered for commercial use in spite of several unaddressed issues. In this paper we focus on one of the most critical issues: the impact of ambient motion of entities like people on the channel characteristics and on the WMN performance. A human body in an e...

Full description

Saved in:
Bibliographic Details
Published inIEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference pp. 4834 - 4839
Main Authors Shrestha, S.L., Anseok Lee, Jinsung Lee, Dong-Wook Seo, Kyunghan Lee, Junhee Lee, Song Chong, Noh Hoon Myung
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2007
Subjects
Access protocols
Biological system modeling
Electromagnetic scattering
Humans
Next generation networking
Reflection
Shadow mapping
Testing
Wireless mesh networks
Wireless networks
Online AccessGet full text

Cover

More Information
Summary:A wireless mesh network (WMN) is being considered for commercial use in spite of several unaddressed issues. In this paper we focus on one of the most critical issues: the impact of ambient motion of entities like people on the channel characteristics and on the WMN performance. A human body in an electro-magnetic (EM) field acts as an scatterer that absorbs 60% of incident EM energy, thereby shadowing the receiver. This human body model along with the human mobility behavior gives rise to a black body (a group movement) effect that traps the incident EM wave with repetitive internal reflections. The black body theory is verified by simulating the WiSEMesh testbed in picoKAIST, a tool based on deterministic ray tube method. Experimental results show each link exhibiting a unique channel variation pattern in presence of the black body. Based on the pattern we provide several insights in WMN deployment and protocol design.
ISBN:1424410428
9781424410422
ISSN:1930-529X
2576-764X
DOI:10.1109/GLOCOM.2007.917