Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems

Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems

Energy efficiency (EE) capacity analysis of the chunk-based resource allocation is presented by considering the minimum spectrum efficiency (SE) constraint in downlink multiuser orthogonal frequency division multiplexing (OFDM) systems. Considering the minimum SE requirement, an optimization problem...

Full description

Bibliographic Details
Main Authors: Yong Li, Zhengguang Zheng, Mingyue Zhao, Shan Jin, Zhangqin Huang
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2013/613470
id doaj-9e7b603f35db4698ac1461a0c12dc12a
record_format Article
spelling doaj-9e7b603f35db4698ac1461a0c12dc12a2020-11-24T21:32:40ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472013-01-01201310.1155/2013/613470613470Chunk-Based Energy Efficient Resource Allocation in OFDMA SystemsYong Li0Zhengguang Zheng1Mingyue Zhao2Shan Jin3Zhangqin Huang4The Institute of Embedded Software and Systems, Beijing University of Technology, Beijing 100022, ChinaDepartment of Vehicle Information Systems, North Information Control Group Co., Ltd., Guangzhou 510220, ChinaDepartment of Physical, Shunde High School, Foshan 528300, ChinaDepartment of National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 610054, ChinaThe Institute of Embedded Software and Systems, Beijing University of Technology, Beijing 100022, ChinaEnergy efficiency (EE) capacity analysis of the chunk-based resource allocation is presented by considering the minimum spectrum efficiency (SE) constraint in downlink multiuser orthogonal frequency division multiplexing (OFDM) systems. Considering the minimum SE requirement, an optimization problem to maximize EE with limited transmit power is formulated over frequency selective channels. Based on this model, a low-complexity energy efficient resource allocation is proposed. The effects of system parameters, such as the average channel gain-to-noise ratio (CNR) and the number of subcarriers per chunk, are evaluated. Numerical results demonstrate the effectiveness of the proposed scheme for balancing the EE and SE.http://dx.doi.org/10.1155/2013/613470
collection DOAJ
language English
format Article
sources DOAJ
author Yong Li
Zhengguang Zheng
Mingyue Zhao
Shan Jin
Zhangqin Huang
spellingShingle Yong Li
Zhengguang Zheng
Mingyue Zhao
Shan Jin
Zhangqin Huang
Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
Mathematical Problems in Engineering
author_facet Yong Li
Zhengguang Zheng
Mingyue Zhao
Shan Jin
Zhangqin Huang
author_sort Yong Li
title Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
title_short Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
title_full Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
title_fullStr Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
title_full_unstemmed Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems
title_sort chunk-based energy efficient resource allocation in ofdma systems
publisher Hindawi Limited
series Mathematical Problems in Engineering
issn 1024-123X
1563-5147
publishDate 2013-01-01
description Energy efficiency (EE) capacity analysis of the chunk-based resource allocation is presented by considering the minimum spectrum efficiency (SE) constraint in downlink multiuser orthogonal frequency division multiplexing (OFDM) systems. Considering the minimum SE requirement, an optimization problem to maximize EE with limited transmit power is formulated over frequency selective channels. Based on this model, a low-complexity energy efficient resource allocation is proposed. The effects of system parameters, such as the average channel gain-to-noise ratio (CNR) and the number of subcarriers per chunk, are evaluated. Numerical results demonstrate the effectiveness of the proposed scheme for balancing the EE and SE.
url http://dx.doi.org/10.1155/2013/613470
work_keys_str_mv AT yongli chunkbasedenergyefficientresourceallocationinofdmasystems
AT zhengguangzheng chunkbasedenergyefficientresourceallocationinofdmasystems
AT mingyuezhao chunkbasedenergyefficientresourceallocationinofdmasystems
AT shanjin chunkbasedenergyefficientresourceallocationinofdmasystems
AT zhangqinhuang chunkbasedenergyefficientresourceallocationinofdmasystems
_version_ 1725956688795664384

Similar Items