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JSAC
2006

A future radio-access framework

8 years 11 months ago
A future radio-access framework
This paper discusses the requirements on future radio access and, based on the requirements, proposes a framework for such a system. The proposed system based on orthogonal frequency-division multiplexing supports very low latencies and data rates up to 100 Mb/s with wide area coverage and 1 Gb/s with local area coverage. Spectrum flexibility is identified as one main requirement for future systems, and the proposed framework can be deployed in a wide range of spectrum allocations with bandwidths ranging from 2.5 to 100 MHz. Multihop relaying, useful to extend the range for the high data rates, and multiple-antenna configurations are integral parts of the framework. A packet-centric approach is taken for the dataflow processing, implying that the scheduling mechanism and the retransmission protocol operate on complete packets rather than segments thereof, thus allowing for cross-layer optimization. Finally, numerical evaluations are provided, illustrating the feasibility of future very...
David Astely, Erik Dahlman, Pål K. Frenger,
Added 13 Dec 2010
Updated 13 Dec 2010
Type Journal
Year 2006
Where JSAC
Authors David Astely, Erik Dahlman, Pål K. Frenger, Reiner Ludwig, Michael Meyer, Stefan Parkvall, Per Skillermark, Niclas Wiberg
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