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In the WIMAX (802.16e) standard several small medium access control (MAC) packets may be aggregated to form a MAC burst, forwarded to the physical (PHY) layer The burst transmission is a mechanism to allow multiple MAC protocol data units (PDUs) belonging to the same video channel to be transmitted / received in an aggregated way, in order to enable power saving at the mobile station, by putting the...
A user terminal must first be timing synchronized with a base station to continue with further actions. Critical issues in timing synchronization are timing accuracy and complexity of the algorithms. In this paper, we present a low complexity downlink timing synchronization implementation for the mobile IEEE802.16e OFDMA WiMAX system. The design can use information from multiple receiver antennas...
The use of automatic repeat-request (ARQ) over a mobile ad-hoc network (MANET) presents unique challenges in handling signaling, connection identification, and implementation. This paper describes the implementation of a selective-repeat ARQ protocol in a mesh MANET called mesh-enabled tactical adaptive - MANET (METAMANET). The mesh MAC operates over the 802.16d physical (PHY) layer. The implementation...
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