Using LDPC coding and AMC to mitigate received power imbalance in carrier aggregation communication system

Yang Han Lee; Yih Guang Jan; Hsin Huang; Qiang Chen; Qiaowei Yuan; Kunio Sawaya

doi:10.1587/elex.8.618

Using LDPC coding and AMC to mitigate received power imbalance in carrier aggregation communication system

Yang Han Lee, Yih Guang Jan, Hsin Huang, Qiang Chen, Qiaowei Yuan, Kunio Sawaya

ENG - Communications Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

When a carrier aggregation communication system suf- fers from receiving power imbalance (RPI) in its antenna array due to design flaw, operator's negligence etc. the system performance may be degraded to an unacceptable level. Specifically in this paper a carrier aggregation communication system with two carrier links while one link suffers RPI is considered, various modulation techniques, such as QPSK, 16 QAM and 64 QAM and/or coding schemes, Convolution Code (CC) and Low Density Parity Check Code (LDPC) are imple- mented in the system performance simulation to investigate the system behavior when it has the design request to maintain the same system performance in each link when the RPI has values of 7 or 10dB.

Original language	English
Pages (from-to)	618-622
Number of pages	5
Journal	IEICE Electronics Express
Volume	8
Issue number	8
DOIs	https://doi.org/10.1587/elex.8.618
Publication status	Published - 2011 Apr 25

Keywords

16 QAM
64 QAM
Adaptive modulation and coding (AMC)
Array antenna
Carrier aggregation
Convolution code (CC)
Low density parity check (LDPC)
QPSK
Received power imbalance (RPI)

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10.1587/elex.8.618

Cite this

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abstract = "When a carrier aggregation communication system suf- fers from receiving power imbalance (RPI) in its antenna array due to design flaw, operator's negligence etc. the system performance may be degraded to an unacceptable level. Specifically in this paper a carrier aggregation communication system with two carrier links while one link suffers RPI is considered, various modulation techniques, such as QPSK, 16 QAM and 64 QAM and/or coding schemes, Convolution Code (CC) and Low Density Parity Check Code (LDPC) are imple- mented in the system performance simulation to investigate the system behavior when it has the design request to maintain the same system performance in each link when the RPI has values of 7 or 10dB.",

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AU - Chen, Qiang

AU - Yuan, Qiaowei

AU - Sawaya, Kunio

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Using LDPC coding and AMC to mitigate received power imbalance in carrier aggregation communication system

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Keywords

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