NDLI: Providing Location Service for Mobile WiMAX

Content Provider	IEEE Xplore Digital Library
Author	Wenhua Jiao Pin Jiang Ruoju Liu Wenbo Wang Yuanyuan Ma
Copyright Year	2008
Description	Author affiliation: Bell Labs. Res. China, Alcatel-Lucent, Beijing (Wenhua Jiao; Pin Jiang; Ruoju Liu)
Abstract	With mobile WiMAX being widely deployed, providing a feasible solution for location service in mobile WiMAX is imperative and significant. In this paper, we propose a novel mobile WiMAX positioning scheme, which includes four steps: downlink preamble fast detection (DPFD), positioning algorithm selection mechanism based on the number of detected preambles, media access control (MAC) message signaling, and location calculation. In the first step, neighbor information carried by MOBNBR-ADV is introduced to decrease the neighbor BSs' preamble detection time. Meanwhile, Uplink Ranging Assistant Downlink-Time Difference of Arrival (URAD-TDoA)/uplink ranging assistant-cell ID (URA-CelllD) are proposed in selection mechanism for two/one preambles detected. Furthermore, new messages and detail message signaling for positioning are designed in MAC layer. By simulations, we show that the proposed positioning scheme can be a promising candidate for location service in mobile WiMAX systems.
Starting Page	2685
Ending Page	2689
File Size	482877
Page Count	5
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.507
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	WiMAX Time measurement Time difference of arrival Downlink Communications Society Wireless communication Telecommunications Position measurement Base stations Media Access Protocol
Content Type	Text
Resource Type	Article

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