On the performance of biologically-inspired slot synchronization in multicarrier ad hoc networks

被引：2
|
作者：
Sanguinetti, Luca [1 ]
Tyrrell, Alexander [2 ]
Morelli, Michele [1 ]
Auer, Gunther [2 ]
机构：
[1] Univ Pisa, Dept Informat Engn, I-56100 Pisa, Italy
[2] DoCoMo Euro Labs, Wireless Technol Res Grp, D-80687 Munich, Germany
来源：
2008 IEEE 67TH VEHICULAR TECHNOLOGY CONFERENCE-SPRING, VOLS 1-7 | 2008年
关键词：
D O I：
10.1109/VETECS.2008.17
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：
Decentralized slot synchronization protocols inspired from nature have recently gained considerable interest. By adjusting the internal time reference of a node in response to the detected timing, of a received synchronization word, and by following simple rules, synchronization emerges from an initially completely uncoordinated situation. However these protocols typically assume that synchronization words are detected error free. In this paper the performance of biologically inspired slot synchronization is investigated when a realistic timing synchronization scheme is employed. We consider an ad hoc network where nodes communicate over an orthogonal frequency-division multiplexing (OFDM) air interface. The transmission is organized in frames, and each frame is preceded by a synchronization preamble with known repetitive parts. Specifically one common synchronization preamble is employed for all transmitting terminals. as, e.g., for the wireless LAN standard 802.11. Computer simulations verify that provided a sufficiently long synchronization word, reliable slot synchronization is maintained using a practical synchronization unit.
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收藏
页码：21 / +
页数：2
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