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- Title
Overload-state downlink resource allocation in LTE MAC layer.
- Authors
Brehm, Michael; Prakash, Ravi
- Abstract
This paper presents a quality of service-aware resource scheduling algorithm targeted for downlink traffic in the UMTS Long-Term Evolution Medium Access Control layer with emphasis for support in an overload state. Specifically, multiple real-time traffic metrics including latency, loss, and queue depth are normalized and processed via an array of ranking functions and multiplexed into an aggregate rank. This aggregate rank is then used in a fractional knapsack scheduling implementation. Experiments with this scheduling mechanism show improved traffic processing intelligence over existing scheduling models, especially in overload states.
- Subjects
QUALITY of service; LONG-Term Evolution (Telecommunications); BANDWIDTHS; QUEUEING networks; COMPUTER scheduling
- Publication
Wireless Networks (10220038), 2013, Vol 19, Issue 5, p913
- ISSN
1022-0038
- Publication type
Article
- DOI
10.1007/s11276-012-0509-1