LTE MAC Scheduler & Radio ResourceScheduling

28 Feb

3GPP’s Long Term Evolution (LTE) technology uses an air interface based on OFDMAand SC-FDMA to deliver the exibility and increased spectral efciency required by anew generation of high-speed, all-IP mobile networks. The LTE air interface supportsdeployment exibility with both TDD and FDD modes and a range of channelbandwidths upto 20MHz. Adaptive modulation and coding together with advanced,multi-antenna mechanisms increase the spectral efciency. The air interface supportswideband, high-speed operation in line with LTE’s packet-switched architecture.Efcient utilisation of the air interface is central to LTE system performance and user Quality of Experience. The base station is responsible for controlling the air interfacebetween the network and users. This paper considers the benets and challengesfacing the LTE MAC Scheduler in utilising such a exible and complex air interface.

Source: http://www.scribd.com/doc/127829847/LTE-Scheduler

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