Network-coded diversity protocol for collision recovery in slotted ALOHA networks

Autor:	Cocco, G, Alagha, N, Ibars, C, Cioni, S
Rok vydání:	2014
Předmět:	MAC collision resolution Computer Science::Networking and Internet Architecture PNC multiple access physical layer network coding slotted ALOHA
Zdroj:	INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING r-CTTC. Repositorio Institucional Producción Científica del Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) instname
ISSN:	1542-0981
Popis:	We propose a collision recovery scheme for symbol-synchronous slotted ALOHA based on physical layer network coding over extended Galois fields. Information is extracted from colliding bursts allowing to achieve higher maximum throughput with respect to previously proposed collision recovery schemes. An energy efficiency analysis is also performed, and it is shown that by adjusting the transmission probability, high energy efficiency can be achieved. A performance evaluation is carried out using the proposed algorithms, revealing remarkable performance in terms of normalized throughput. Copyright (C) 2013 John Wiley & Sons, Ltd.
Databáze:	OpenAIRE
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