International Journal of Information and Communication Sciences
Volume 1, Issue 3, December 2016, Pages: 43-46
Received: Sep. 1, 2016;
Accepted: Dec. 2, 2016;
Published: Dec. 30, 2016
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Hai Zhu, Software Development Department, Great Wall Computer Software & Systems INC., Chongqing, P. R. China
Dan Wang, College of Communication Engineering, Chongqing University of Posts and Telecommunications, Chongqing, P. R. China
Peng Sun, College of Communication Engineering, Chongqing University of Posts and Telecommunications, Chongqing, P. R. China
In order to provide a higher peak data rate, carrier aggregation (CA) is implemented into Long Term Evolution Advanced (LTE-A) systems. However, more and more downlink hybrid automatic repeat request (HARQ) feedback information need to be transmitted. Especially, in time division duplexing (TDD) systems must comply with the updownconfig, the complexity and storage of HARQ scheduling increase largely under CA. In this paper, a HARQ scheduling scheme is proposed which is based on dynamic information tables to generate and schedule the downlink feedback information of acknowledgment/negative acknowledgment (ACK/NACK) in Long Term Evolution Advanced (LTE-A) system. Some storing tables based on component carriers are designed and a dynamic updated scheme is proposed, which reduces the scheduling complexity and memory occupation effectively.
A Scheme of Downlink HARQ Scheduling in TDD LTE-A, International Journal of Information and Communication Sciences.
Vol. 1, No. 3,
2016, pp. 43-46.
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