Constructed Data Pilot-Assisted Channel Estimators for Mobile Environments
文献类型：期刊论文
| 作者 | Zhao, Zijun1,2; Cheng, Xiang1,2; Wen, Miaowen3; Yang, Liuqing4 ; Jiao, Bingli1
|
| 刊名 | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
 |
| 出版日期 | 2015-04-01 |
| 卷号 | 16期号:2页码:947-957 |
| 关键词 | Channel estimation constructed data pilot (CDP) mobile environments orthogonal frequency-division multiplexing (OFDM) time-variant channel |
| 英文摘要 | Nowadays, more and more communication systems are deployed under mobile environments with very high velocity. This paper focuses on the channel estimation problem in vehicular scenarios, which is very challenging in view of the extremely time-varying characteristics of mobile channels. Specifically, we propose a novel channel estimator named constructed data pilot (CDP) estimator for the current communication standards by fully exploiting the channel correlation characteristics across two concatenated symbols. On the basis of the CDP estimator, we further resort to two efficient techniques to improve its performance over the entire signal-to-noise-ratio (SNR) region. For the first technique, the time-variant mobile channel is modeled as a first-order Markov process so that the exact autocorrelation value of the two adjacent symbols can be derived. For the second technique, the SNR is estimated and serves as a priori information. Simulation results reveal that our proposed channel estimators outperform existing alternatives with lower computational complexity. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Engineering, Civil ; Engineering, Electrical & Electronic ; Transportation Science & Technology |
| 研究领域[WOS] | Engineering ; Transportation |
| 关键词[WOS] | PROLATE SPHEROIDAL SEQUENCES ; FADING CHANNELS ; OFDM SYSTEMS ; SIMULATION ; MODELS ; COMMUNICATION ; VELOCITIES ; NETWORKS ; SIGNALS ; BAND |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000352282500036 |
| 公开日期 | 2015-09-22 |
| 源URL | [http://ir.ia.ac.cn/handle/173211/8128]  |
| 专题 | 自动化研究所_复杂系统管理与控制国家重点实验室_先进控制与自动化团队 |
| 作者单位 | 1.Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China 2.Beijing Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing 100044, Peoples R China 3.S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China 4.Chinese Acad Sci, Inst Automat, State Key Lab Management & Control Complex Syst, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Zijun,Cheng, Xiang,Wen, Miaowen,et al. Constructed Data Pilot-Assisted Channel Estimators for Mobile Environments[J]. IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS,2015,16(2):947-957. |
| APA | Zhao, Zijun,Cheng, Xiang,Wen, Miaowen,Yang, Liuqing,&Jiao, Bingli.(2015).Constructed Data Pilot-Assisted Channel Estimators for Mobile Environments.IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS,16(2),947-957. |
| MLA | Zhao, Zijun,et al."Constructed Data Pilot-Assisted Channel Estimators for Mobile Environments".IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS 16.2(2015):947-957. |
入库方式： OAI收割
来源：自动化研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。