Asymmetric Power Allocation to Improve Convergence Rate of Iterative Receivers with Soft Cancellation

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The major drawback of iterative receivers is more power consumption and longer latency due to iterations even though iterative receivers can enjoy a good compromise between complexity and performance. Motivated by these issues, we study a simple power allocation strategy in the transmitter side to alleviate the burden in an iterative receiver with interference cancellation by improving convergence rate. We analyze asymmetric power allocation with the extrinsic information transfer (EXIT) chart technique and show that the convergence rate (as well as performance) can be improved.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2009-08
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.13, pp.579 - 581

ISSN
1089-7798
DOI
10.1109/LCOMM.2009.090460
URI
http://hdl.handle.net/10203/11019
Appears in Collection
EE-Journal Papers(저널논문)
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