Cross-Layer Multiservice Scheduling for LTE Networks



Cross-layer resource allocation is promising for future wireless networks. Mechanism of exploiting channel variations across users should be used in scheduling and Medium Access Control (MAC) designs to improve system capacity, fairness, and QoS guarantees. Due to variable data rates and stochastic transmission inherent in channel-aware networks, the issue of cross-layer is becoming very challenging and interesting.

Since LTE is based on OFDMA, decisions to which time slot, subchannel, and power level for communication are determined by the intelligent MAC layer which seeks to maximize the Signal-to-Interference-Ratio (SINR) for every User Equipment (UE). This allows UEs to operate at the maximum modulation rates obtainable given the radio frequency conditions at the UE location. Accordingly, this allows service providers to maximize the number of active users whether they are fixed, portable, or mobile [1].


Medium Access Control User Equip Packet Loss Rate Medium Access Control Layer Channel Quality Indication 
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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Laboratoire de Recherche en InformatiqueUniversity Paris Stud-11Orsay CedexFrance

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