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FIFO by sets ALOHA (FS-ALOHA) is a collision resolution algorithm for the uplink contention channel in multiservices wireless LANs. FS-ALOHA builds sets with the requests generated by the mobiles on a per-frame basis and serves them using slotted ALOHA with a FIFO discipline. In this paper the overall performance (throughput and delay) of FS-ALOHA is improved by serving the sets in groups. Furthermore, FS-ALOHA++ is provided with a threshold mechanism allowing the support of two distinct traffic classes, a high priority class with low delay requirements and a best-effort, low priority class. The performance of FS-ALOHA++ is analyzed via simulation.
Global Telecommunications Conference, 1999. GLOBECOM '99 (Volume:5 )
Date of Conference: 1999