Research and Implementation of Uplink Synchronization in TD-LTE

De Ming Zhang; Sheng Yao; Xiao Wen Li

doi:10.4028/www.scientific.net/AMR.756-759.846

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 756-759Research and Implementation of Uplink...

Research and Implementation of Uplink Synchronization in TD-LTE

Abstract:

To make sure a good communication between the terminal and the base station, synchronization is needed between them. The Uplink Time Alignment has been provided in the long term evolution system (TD-LTE), by which uplink synchronization can be maintained in terminals. In this letter, the concrete implementation of the Uplink Time Alignment in MAC sub-layer of terminals and independently adjustment of uplink timing were designed with research of the Uplink Time Alignment and detailed analysis of the specific applications of Timing Advance Command in the terminal. The proposed implementation can be applied for the development of test instrumentation and TD-LTE ratio frequency conformance.

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Periodical:

Advanced Materials Research (Volumes 756-759)

Pages:

846-850

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.756-759.846

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Online since:

September 2013

Authors:

De Ming Zhang, Sheng Yao, Xiao Wen Li

Keywords:

Long Term Evolution (LTE), MAC Sub-Layer, Timing Advance Command, Uplink Time Alignment

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