Cart (Loading....) | Create Account
Close category search window
 

A joint scheduling and precoding scheme based on sum chord distance in MU-MIMO system with limited feedback

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Xun Luo ; Nat. Key Lab. of Sci. & Technol. on Commun., Univ. of Electron. Sci. & Technol. of China, Chengdu, China ; Yang Yang ; Shu Fang ; Shaoqian Li

In this paper, we propose a joint scheduling and precoding scheme in MU-MIMO downlink channel with limited feedback. Each user feeds back the index which indicates the channel direction in a predefined codebook and one scalar denoting the quantization error. With the feedback information, the base station schedules the first user with the minimal quantization error. And then it schedules the users with the metric based on the sum of two chord distances. Compared with the traditional joint scheduling and precoding based on ZF-CI, our proposed scheme can restrain the performance loss caused by quantization error and reduce the feedback. Further, the sum rate is greatly improved as SNR increases. Simulation results are exhibited to verify its effectiveness.

Published in:

Communication Technology and Application (ICCTA 2011), IET International Conference on

Date of Conference:

14-16 Oct. 2011

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.