Results 71 to 80 of about 6,838 (186)
The Study of Indoor and Field Trials on 2×8 MIMO Architecture in TD-LTE Network
International Journal of Antennas and Propagation, 2013 With the development of mobile internet service, long-term evolution (LTE) system was proposed in the third generation partnership project (3GPP) to provide higher data rates and frequency efficiency.
Xiang Zhang +5 more
doaj +1 more source
Guangtongxin yanjiu, 2016 配网通信技术是DA（配网自动化）管理系统的关键技术之一。文章首先分别讨论了以光纤通信、电力线载波技术和蜂窝无线公网技术承载DA业务的优劣;然后在此基础上进一步阐述了基于第四代移动通信技术LTE（长期演进）系统的组网方案;最后,针对DA业务中低压集抄业务的两种典型应用场景（周期汇报和供电恢复）仿真评估了LTE在FDD（频分双工）以及TDD（时分双工）模式下承载DA业务的可行性。仿真结果表明,对于周期性汇报居民用电业务,LTE FDD系统和LTE TDD系统均能满足该项业务QoS（服务质量）需求,而LTE ...
樊会丛, 赵建华, 邵华
doaj
IEEE Access, 2018 Channel characterization is essential when planning wireless communication deployments. We consider the wireless channel characterization in a modern subway station and its corresponding entrance tunnel, a topic greatly overlooked in the literature.
Tomas Dominguez-Bolano +4 more
doaj +1 more source
Enabling Disaster Resilient 4G Mobile Communication Networks
, 2014 The 4G Long Term Evolution (LTE) is the cellular technology expected to outperform the previous generations and to some extent revolutionize the experience of the users by taking advantage of the most advanced radio access techniques (i.e. OFDMA, SC-FDMA,
Gomez, Karina +3 more
core +1 more source
Compact Multiband Microstrip Printed Slot Antenna Design for Wireless Communication Applications
Advanced Electromagnetics, 2020 In this paper, a compact multiband printed antenna is proposed to cover four resonant bands in the range of 1-6 GHz. The antenna structure is inspired from that of the classical multi-cavity magnetron resonator.
H. A. Hammas +2 more
doaj +1 more source
Dynamic Uplink/Downlink Resource Management in Flexible Duplex-Enabled Wireless Networks
, 2017 Flexible duplex is proposed to adapt to the channel and traffic asymmetry for future wireless networks. In this paper, we propose two novel algorithms within the flexible duplex framework for joint uplink and downlink resource allocation in multi-cell ...
Liao, Qi
core +1 more source
Progress and Trends of Multiple Antennas Technology in LTE Network
Dianxin kexue, 2014 Multiple antenna technology is considered as one of the few that has the potential to provide relatively large gains in wireless mobile network. The recent progress of using multiple antenna technology in commercial LTE network in China was discussed. By
Qi Bi, Weiliang Xie, Peng Chen
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, 2013 In this paper, we analyze the ergodic sum-rate of a multi-cell downlink system with base station (BS) cooperation using regularized zero-forcing (RZF) precoding.
Gao, Xiqi +4 more
core +1 more source
Downlink channel spatial covariance estimation in realistic FDD massive MIMO systems
, 2018 The knowledge of the downlink (DL) channel spatial covariance matrix at the BS is of fundamental importance for large-scale array systems operating in frequency division duplexing (FDD) mode.
Cavalcante, Renato L. G. +2 more
core +1 more source
Analysis of operation environment influence of 1.8 GHz TDD-LTE industry private network
Dianxin kexue, 2017 According to current spectrum regulation,band 1 785～1 805 MHz is the only authorized wireless broadband spectrum.For most industry private network bearer business is directly related to safety production,it is necessary to analyze the running environment
Tao DU, Xiaohui DENG, Gang LI
doaj +2 more sources