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Adaptive Modulation and Coding for LTE Wireless Communication

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Open access via publisher
Authors
Hadi, S.
Tiong, Tiong Teck Chai
Date
2015
Type
Conference Paper

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Citation
Hadi, S. and Tiong, T.T.C. 2015. Adaptive Modulation and Coding for LTE Wireless Communication, in Proceedings of the Materials Science and Engineering conference, Volume 78, (CUTSE2014), Dec 3-4 2014. Sarawak, Malaysia: IOP.
Source Conference
IOP Conf. Series: Materials Science and Engineering
DOI
School
Curtin Sarawak
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Abstract

Long Term Evolution (LTE) is the new upgrade path for carrier with both GSM/UMTS networks and CDMA2000 networks. The LTE is targeting to become the first global mobile phone standard regardless of the different LTE frequencies and bands use in other countries barrier. Adaptive Modulation and Coding (AMC) is used to increase the network capacity or downlink data rates. Various modulation types are discussed such as Quadrature Phase Shift Keying (QPSK), Quadrature Amplitude Modulation (QAM). Spatial multiplexing techniques for 4×4 MIMO antenna configuration is studied. With channel station information feedback from the mobile receiver to the base station transmitter, adaptive modulation and coding can be applied to adapt to the mobile wireless channels condition to increase spectral efficiencies without increasing bit error rate in noisy channels. In High-Speed Downlink Packet Access (HSDPA) in Universal Mobile Telecommunications System (UMTS), AMC can be used to choose modulation types and forward error correction (FEC) coding rate.