Name
Title | ||
|---|---|---|
Joint subchannel and power allocation in interference-limited OFDMA femtocells with heterogeneous QoS guarantee |
Abstract | ||
|---|---|---|
In this paper, we consider the joint subchannel and power allocation problem in both the uplink and the downlink for two-tier networks comprising spectrum-sharing macrocells and femtocells. A joint subchannel and power allocation scheme for co-channel femtocells is proposed, aiming to maximize the capacity for delay-tolerant users subject to delay-sensitive users' quality of service and interference constraints imposed by macrocells. The joint subchannel and power allocation problem is modeled as an mixed integer programming problem, then transformed into a convex optimization problem by relaxing subchannel sharing, and finally solved by a dual decomposition approach. The effectiveness of the proposed approach is verified by simulations and compared with existing scheme. |
Year | DOI | Venue |
|---|---|---|
2012 | 10.1109/GLOCOM.2012.6503839 | GLOBECOM |
Keywords | Field | DocType |
relaxing subchannel sharing,interference-limited ofdma femtocells,co-channel femtocells,joint subchannel allocation,heterogeneous qos guarantee,convex optimization problem,quality of service,interference constraints,delay-sensitive users quality of service,dual decomposition approach,joint subchannel problem,power allocation problem,power allocation scheme,two-tier networks,radio spectrum management,mixed integer programming problem,spectrum-sharing macrocells,delay-tolerant users,femtocellular radio | Femtocell,Computer science,Quality of service,Computer network,Real-time computing,Integer programming,Resource allocation,Interference (wave propagation),Convex optimization,Telecommunications link | Conference |
Volume | Issue | ISSN |
null | null | 1930-529X E-ISBN : 978-1-4673-0919-6 |
ISBN | Citations | PageRank |
978-1-4673-0919-6 | 18 | 0.92 |
References | Authors | |
18 | 7 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Haijun Zhang | 1 | 1997 | 123.11 |
| Wei Zheng | 2 | 342 | 30.46 |
| Xiaoli Chu | 3 | 1289 | 80.99 |
| Xiangming Wen | 4 | 618 | 82.20 |
| Meixia Tao | 5 | 2766 | 168.20 |
| Arumugam Nallanathan | 6 | 3694 | 237.64 |
| David López-Pérez | 7 | 1177 | 81.35 |