NDLI: On Achievable Data Rates and Optimal Power Allocation in Fading Channels with Imperfect Channel State Information

Content Provider	Springer Nature Link
Author	Almustafa, Khaled Primak, Serguei Willink, Tricia Baddour, Kareem
Copyright Year	2008
Abstract	Achievable rates of wireless communication systems with pilot-based channel estimation are investigated for the case of time-selective fading. Novel analytical expressions for the maximum achievable rates of such systems are derived in terms of the system signal-to-noise ratio (SNR), fading rate and estimation scheme deployed. The frame size is optimized jointly based on the SNR and the fading rate. The maximum rate achieving coding scheme is suggested and shown to be a modified version of the classical water-filling algorithm that accounts for imperfect channel state information (CSI) at the transmitter. The impact of the estimation scheme and the angular spread of the received signal on the quality of estimation and achievable rates is evaluated. A number of numerical simulations are provided to illustrate the dependence of the optimal block length and achievable rates on SNR, fading rate, estimation scheme and angular spread of the channel.
Starting Page	69
Ending Page	81
Page Count	13
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	50
Issue Number	1
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2008-06-25
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Capacity Optimal frame length Partial CSI Prediction Computer Communication Networks Signal, Image and Speech Processing Communications Engineering, Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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