naa a22 4500 510798004 CHVBK 20180411083343.0 cr unu---uuuuu 180411e20131001xx s 000 0 eng 10.1007/s11277-013-1125-9 doi (NATIONALLICENCE)springer-10.1007/s11277-013-1125-9 A Utility-Based Joint Resource Allocation Approach for Multi-Service in CoMP Networks [Elektronische Daten] [Binru Huang, Jingya Li, Tommy Svensson] Coordinated multi-point (CoMP) joint transmission is considered as a key technique to mitigate inter-cell interference and improve the cell-edge performance in 3GPP LTE-Advanced. In this paper, a utility-based joint resource allocation approach is proposed to support CoMP joint transmission in orthogonal frequency division multiple access systems. Two different utility functions are considered with diverse quality of service provisioning. The objective is to maximize the sum utility of a clustered CoMP network, considering mixed real-time voice over IP (VoIP) and best-effort (BE) traffic patterns. A centralized joint resource allocation algorithm is proposed by decoupling the optimization problem into per-subchannel subproblems. Further more, a greedy user selection based low-complexity algorithm is proposed for practical implementation. For the sake of performance comparison, the proportional-fair based joint scheduling, as well as two non-coordinated scheduling schemes are also evaluated. Via system-level simulation we show that the proposed algorithms not only substantially improve the cell-edge spectrum efficiency of BE users, but also significantly decrease the packet drop ratio and call outage ratio of VoIP users. The Author(s), 2013 Coordinated multi-point (CoMP) network nationallicence OFDMA nationallicence QoS nationallicence Joint resource allocation nationallicence Multiple services nationallicence Huang Binru Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut Li Jingya Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut Svensson Tommy Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut Wireless Personal Communications Springer US; http://www.springer-ny.com 72/3(2013-10-01), 1633-1648 0929-6212 72:3<1633 2013 72 11277 https://doi.org/10.1007/s11277-013-1125-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-013-1125-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Huang Binru Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut NATIONALLICENCE 700 1- Li Jingya Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut NATIONALLICENCE 700 1- Svensson Tommy Signals and Systems, Chalmers University of Technology, 41296, Gothenburg, Sweden aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 72/3(2013-10-01), 1633-1648 0929-6212 72:3<1633 2013 72 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer