Low-power channel coding via dynamic reconfiguration

被引：17
|
作者：
Goel, M [1 ]
Shanbhag, NR [1 ]
机构：
[1] Univ Illinois, Dept Elect Engn, Coordinated Sci Lab, Urbana, IL 61801 USA
来源：
ICASSP '99: 1999 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, PROCEEDINGS VOLS I-VI | 1999年
关键词：
D O I：
10.1109/ICASSP.1999.758293
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Presented in this paper are energy-optimum reconfiguration strategies for channel codecs. These strategies are derived by solving an optimization problem, which has energy consumption as the objective function and a constraint on the bit error-rate (BER). Energy consumption models for a reconfigurable Reed-Solomon (RS) codec are derived via gate-level simulation of the finite field arithmetic modules. These energy models along with the BER expressions are then employed to derive the energy-optimum reconfiguration strategies. The energy savings are computed by comparing the energy consumption of the reconfigurable codec with that of the static codec. The energy savings range from 0%-83% for channel signal-to-noise ratio (SNR) variations from 7dB-10dB. On an average 55% energy savings are achieved.
引用
收藏
页码：1893 / 1896
页数：4
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