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WiMaX is the commercial name for the 4G OFDM based wireless broadband data transmission standard 802.16, developed by IEEE ([1] and [2]). It is currently being deployed in several countries around the world. Sub-channels (which are the basic unit of resource allocation) are formed by grouping together sub-carriers in one of two formats - PUSC or AMC. In PUSC the set of sub-carriers in a sub-channel...
A distributed scheduling approach for fast deployable tactical IEEE 802.16e networks is presented where distributed base stations with dual radios form a mesh backhaul and mobile battle units communicate through these base-stations. The mesh backhaul is formed via an IEEE 802.16e mesh mode radio on each base station, while mobile units communicate with base stations via PMP mode radios. The scheduling...
WiMax/802.16 mesh network is an emerging infrastructure that offers a cost-effective deployment for high-capacity wireless broadband access to the backhaul network. Recently, mobility in WiMax/802.16 based mesh networks has been discussed through the IEEE 802.16e standard. Hence, mesh nodes need no longer be stationary, and as a result they will be powered from energy limited batteries. In such networks,...
In this paper, we present a temporal round robin (TRR) packet scheduler. In default round robin (RR) scheduler, flows are scheduled in sequence one by one without prioritizing any flows assigning the same amount of time slots. The main idea in the proposed TRR is to exploit the temporal variations of a pre-defined utility argument (e.g. SINR or MCS in the context of cellular radio systems) while assigning...
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