NDLI: Two-step resource sharing and uplink power control optimization in LTE-Advanced relay networks

Content Provider	IEEE Xplore Digital Library
Author	Bulakci, O. Bou Saleh, A.B. Zhe Ren Redana, S. Raaf, B. Hamalainen, J.
Copyright Year	2011
Description	Author affiliation: Institute for Communications Engineering, Technische Universität München, Munich, Germany (Zhe Ren) \|\| Nokia Siemens Networks, St.-Martin-Strasse 76, 81541 Munich, Germany (Bulakci, O.; Bou Saleh, A.B.) \|\| Nokia Siemens Networks, 81541 Munich, Germany (Redana, S.; Raaf, B.) \|\| Department of Communications and Networking, Aalto University School of Electrical Engineering, P.O. Box 13000, FIN-00076 Aalto, Finland (Hamalainen, J.)
Abstract	Relay enhanced networks are expected to fulfill the demanding coverage and capacity requirements in a cost-efficient way. Type 1 inband relaying is now being standardized as an integral part of 3GPP LTE-Advanced. This type of relay nodes supports a relaying mode where the relay link transmission is time-division multiplexed with the access link transmission, whereas macro users share the same resources with the relays. Hence, system performance depends strongly on the resource sharing strategy among and within the links. Besides, in order to fully exploit the benefits of relaying, the inter-cell interference, which is increased due to the presence of relay nodes, should be limited via a proper power control scheme on each link. Therefore, an optimization of both the resource sharing and power control strategy is required to enhance the overall performance of relay networks. In this paper, performance evaluation of two-step resource sharing and power control optimization is carried out within the LTE-Advanced uplink framework in urban and suburban scenarios. Furthermore, we propose a combination of scheduling based on the number of relay-served users and throughput throttling achieving max-min fairness. Results show that the proposed scheme achieves significant throughput gains and high system fairness.
Starting Page	1
Ending Page	6
File Size	4592792
Page Count	6
File Format	PDF
ISBN	9781612848853
e-ISBN	9781612848877
e-ISBN	9781612848860
DOI	10.1109/MC-SS.2011.5910717
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-03
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power control Transmitting antennas Multi-hop scheduling Interference Resource sharing Resource management Relay deployment Relays Uplink Optimization LTE-Advanced Signal to noise ratio
Content Type	Text
Resource Type	Article

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