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http://dx.doi.org/10.7840/KICS.2011.36B.12.1647

The Improvements for 3GPP LTE-Advanced Relay  

Park, Byoung-Seong (LG-Ericsson, Advanced Technology 팀)
Kim, Sang-Ha (LG-Ericsson, Mobile Technology 1팀)
Chang, Il-Doo (LG-Ericsson, Advanced Technology 팀)
Lee, Hee-Bong (LG-Ericsson, Advanced Technology 팀)
Kwon, Kyoung-In (LG-Ericsson (CTO))
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.36, no.12B, 2011 , pp. 1647-1658 More about this Journal
Abstract
This paper suggests the methods to improve the wireless backhaul link of the Relay FDD mode that 3GPP LTE-Advanced supports. New RRC message and Relay startsup procedure are introduced to apply Carrier Aggregation in the Relay wireless backhaul. Also, we design new reference signal that makes Type 1 Relay operated in full-duplexing, expecting to maximize the radio resource utilization. And, we propose the efficient configuration for the periodic uplink control information under the backhaul subframe allocation method in LTE-Advanced Relay. Hereafter, the standard activities in the 3GPP RAN is supposed to focus on the improvement of the LTE-Advanced features. Therefore, the suggestions in this paper are expected to be actively discussed in the LTE-Advanced future releases.
Keywords
LTE-Advanced; Relay; Backhaul subframe; Carrier Aggregation; Self-interference;
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  • Reference
1 ITU-R Circular Letter 5/LCCE/2 on IMT-Advanced, ITU-R WP5D #2, June 2008
2 R1-092185, "Self-Interference: Measurement and Cancellation", 3GPP RAN WG1 #57, May 2009
3 R1-106002, "Uplink periodic signal transmission over Un link", 3GPP RAN WG1 #63, Nov. 2010
4 3GPP, TR36.913, "Requirements for further advancement for evolved universal terrestrial radio access (E-UTRA) (LTE-Advanced)", Dec. 2009
5 3GPP TR36.912, "Feasibility study for Further Advancements for E-UTRA (LTE-Advanced)", Dec. 2009
6 3GPP TS36.216, "Physical layer for relaying operation (Release 10)", March 2011
7 3GPP TS36.321, "Medium Access Control (MAC) protocol specification (Release 10)", June 2011
8 3GPP TS36.331, "Radio Resource Control (RRC) protocol specification (Release 10)", June 2011