Resource Allocation Scheme for Device-to-Device Communications Underlaying Cellular Networks to Maximize Overall Throughput
In cellular networks, Device-to-Device (D2D) communications can improve spectral efficiency and increase overall throughput. However, D2D users may cause interference to the cellular users (CU) due to sharing resource with CUs. In this paper, we proposed a resource allocation scheme to maximize the...
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| Veröffentlicht in: | Applied Mechanics and Materials 2015-01, Vol.713-715 (Mechatronics Engineering and Modern Information Technologies in Industrial Engineering), p.1208-1215 |
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| container_issue | Mechatronics Engineering and Modern Information Technologies in Industrial Engineering |
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| creator | Sun, Jun Shao, Shi Xiang Kou, Shuai Hua |
| description | In cellular networks, Device-to-Device (D2D) communications can improve spectral efficiency and increase overall throughput. However, D2D users may cause interference to the cellular users (CU) due to sharing resource with CUs. In this paper, we proposed a resource allocation scheme to maximize the system throughput while guaranteeing the quality-of-service (QoS) requirements of all communication links. The proposed scheme allows as many D2D pairs as possible to reuse resource and includes three steps. Firstly, an exhaustive search method is used to search out all the reuse combinations, in which all users share the same resource. Secondly, transmit power for each reuse combination is allocated. Lastly, a suboptimal but simple algorithm is proposed to select suitable reuse combinations in order to maximize the overall throughput. Simulation results show that the proposed scheme can significantly increase system throughput and D2D access rate. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.713-715.1208 |
| format | Article |
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| ispartof | Applied Mechanics and Materials, 2015-01, Vol.713-715 (Mechatronics Engineering and Modern Information Technologies in Industrial Engineering), p.1208-1215 |
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| subjects | Algorithms Cellular communication Communication systems Computer simulation Efficiency Resource allocation Reuse Spectra |
| title | Resource Allocation Scheme for Device-to-Device Communications Underlaying Cellular Networks to Maximize Overall Throughput |
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