Energy efficient OFDM transceiver design based on traffic tracking and adaptive bandwidth adjustment | Zendy

Jingjing Zhang | Zendy; Junqiang Hu | Zendy; Dayou Qian | Zendy; Ting Wang | Zendy

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Energy efficient OFDM transceiver design based on traffic tracking and adaptive bandwidth adjustment

Author(s) -

Jingjing Zhang,

Junqiang Hu,

Dayou Qian,

Ting Wang

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.00b983

Subject(s) - transceiver , computer science , orthogonal frequency division multiplexing , bandwidth (computing) , electronic engineering , energy consumption , efficient energy use , modulation (music) , energy (signal processing) , telecommunications , electrical engineering , wireless , engineering , channel (broadcasting) , physics , quantum mechanics , acoustics

This paper proposes a novel scheme to reduce energy consumption of digital transceivers with OFDM as the modulation scheme. The energy consumption of transceivers is saved based on two key techniques: 1) adaptively tune the bandwidth and sampling rate of the OFDM signal; 2) selectively power off individual block of parallel modules in the transceiver. Performance analysis illustrate that the newly designed transceiver consumes a significantly less amount of energy as compared to the conventional transceiver.

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