Showing 2,181 - 2,200 results of 3,139 for search '"Wireless"', query time: 0.08s Refine Results
  1. 2181
  2. 2182

    TALK: Topology Aware LKH Key Management by Dimitris Tsitsipis, Anthony Tzes, Stavros Koubias

    Published 2014-11-01
    “…Cryptographic key management for wireless sensor networks (WSNs) and mobile ad-hoc networks (MANETs) is a particularly challenging task, as they mostly consist of high counts of resource constrained nodes, especially when group communication and dynamic network membership capabilities are required. …”
    Get full text
    Article
  3. 2183

    Identification technology for city freeway users based on XDR big data analysis by Baoyou WANG, Saibin YAO, Jiucheng HUANG, Hui PAN

    Published 2021-11-01
    “…In the scene of city freeway, the driving speed is relatively faster, the flow of people is denser, and the customers have higher requirements for communication experience.Firstly, the architecture of big data platform for mobile network quality control was introduced.Then, the identification algorithm for city freeway users based on XDR big data analysis was proposed.Finally, through XDR big data analyzing and processing, the user track on freeway was output, which followed by matching with the fingerprints database of freeways.The identification accuracy for city freeway users was improved, and wireless network quality monitoring of city freeways was supported.…”
    Get full text
    Article
  4. 2184
  5. 2185

    End-to-end network collaboration in 5G networks by Yiliang LIU, Xin LI, Kaitao BO

    Published 2020-03-01
    “…The advent of 5G network era puts forward higher requirements for telecom operators’ networks.The current situation,overall coordination framework and key capabilities of wireless access network,bearer network and core network in network slice were mainly described from the perspective of 5G end-to-end network coordination key technology,the actual case scenario of end-to-end slice was introduced,helping operators to successfully transform the network,one network multi-purpose was completed,network construction cost was reduced and differentiated service capacity was improved.…”
    Get full text
    Article
  6. 2186

    Progress and Trends of Multiple Antennas Technology in LTE Network by Qi Bi, Weiliang Xie, Peng Chen

    Published 2014-10-01
    “…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. …”
    Get full text
    Article
  7. 2187

    RAP detection method based on AP fingerprint by Qing LI, Ayong YE, Zhiqiang YAO, Aimin CHEN

    Published 2018-05-01
    “…The access point (AP) is an integral part of the infrastructure mode in wireless network.While the attacks caused by rogue AP (RAP) divulge a lot of users' privates in a large extent,such as the user's location information,surfing behavior on the Internet and social relations.A RAP detection algorithm based on AP fingerprint was proposed.The validity of AP was judged by the unforgeability and stability of the parameters of beacon frames.And the feasibility and effectiveness of the proposed method were further verified by scheme comparisons and experimental analysis.…”
    Get full text
    Article
  8. 2188

    VoLTE call setup delay optimization based on signaling message by Bao GUO, Yang ZHANG

    Published 2017-02-01
    “…VoLTE wireless spectrum utilization efficiency is better than that of the traditional CS voice.The introduction of high-definition voice and video codes significantly improves the communication quality.VoLTE call setup duration has been significantly shortened compared to the traditional CS voice.Analyzing the factors in causing call setup delay of VoLTE was focused,and corresponding solutions about the VoLTE call setup delay optimization was put forward based on the signaling message in different stages,including paging,domain selection,resource reservation.…”
    Get full text
    Article
  9. 2189

    Properties of virtual MIMO signal and interference in cooperation cognitive networks by Xu BAO, Tie-cheng SONG, Lian-feng SHEN

    Published 2012-05-01
    “…A virtual MIMO scheme based on cooperation of the prim and secondary users was proposed in the wireless cognitive networks.The tight upper and lower bounds about the complimentary cumulative distribution function of the virtual MIMO signal and interference were derived.The asymptotic distributions of the bounds were also obtained.The theoretical derivations and numerical simulations testified that the upper and lower bounds had the same asymptotic distribution.The numerical simulation results reveal that the virtual MIMO technique improves the anti-interference ability of the primary signal.…”
    Get full text
    Article
  10. 2190

    Key technologies and new challenges on body area networks by Xiaolin FANG, Junzhou LUO

    Published 2018-03-01
    “…As the rapid development of sensing,low-power integrated circuit and wireless communication techniques,body area network becomes a new technology to monitor human health,which provides a new solution for information medical treatment.The key technologies of body area network was firstly introduced,including energy consumption,data transmission,security and privacy and human health data processing.Finally,a series of new challenges in body area network systems was proposed.…”
    Get full text
    Article
  11. 2191

    Feasibility analysis on frequency utilization of discrete carrier aggregation broadband systems in the 223~235 MHz band by Peichuan KANG, Huiling DAI, Yu PAN, Jian FANG

    Published 2019-07-01
    “…The interference between broadband system and in-band narrow band wireless radio were analyzed considering both single station interference and aggregated effect. …”
    Get full text
    Article
  12. 2192

    Comprehensive Review of Wearable Antennas With Flexible Periodic Structures for Body-Effect Mitigation by Adel Ashyap, Raad Raad, Faisel Tubbal, Wajid Ali Khan, Suhila Abulgasem

    Published 2025-01-01
    “…Recent advancements in wireless technology have prompted the development of wearable antennas, particularly for Wireless Body Area Networks (WBANs) used in sports, military activities, healthcare, and identification systems. …”
    Get full text
    Article
  13. 2193

    A Low-Complexity Diversity-Preserving Universal Bit-Flipping Enhanced Hard Decision Decoder for Arbitrary Linear Codes by Praveen Sai Bere, Mohammed Zafar Ali Khan, Lajos Hanzo

    Published 2024-01-01
    “…V2X (Vehicle-to-everything) communication relies on short messages for short-range transmissions over a fading wireless channel, yet requires high reliability and low latency. …”
    Get full text
    Article
  14. 2194

    Eight-element flexible MIMO antenna based on characteristics mode theory with enhanced channel capacity for sub 6 GHz 5G communications by Deepthi Mariam John, Shweta Vincent, Sameena Pathan, Kunjan D Shinde, B S Supreetha, Tanweer Ali

    Published 2025-03-01
    “…The rapid progress in wireless technology introduces a suite of furtherance designed to fulfil the ever-growing data consumption, expansion of smart devices, and rise of the Internet of Things (IoT). …”
    Get full text
    Article
  15. 2195

    An Adaptive Finite Resolution Selection Scheme for RIS Assisted NOMA Networks by Shady M. Ibraheem, Mona Shokair, Mohamed E. Nasr, Nancy Alshaer

    Published 2025-01-01
    “…Non-orthogonal multiple access (NOMA) and reconfigurable intelligent surface (RIS) have recently been recognized as innovative technologies for future beyond fifth generation (B5G) wireless networks due to their ability to improve the spectral efficiency and the wireless propagation properties, respectively. …”
    Get full text
    Article
  16. 2196

    Patch validation: an observational study protocol for the evaluation of a multisignal wearable sensor in patients during anaesthesia and in the postanaesthesia care unit by Marc Fischler, Morgan Le Guen, Pierre Squara, Sabrina Ma, Shérifa Adjavon, Bernard Trillat, Messaouda Merzoug, Philippe Aegerter

    Published 2020-09-01
    “…However, at a time when only the patients with the most serious conditions are hospitalised and only a fraction of these patients are in intensive care units, this type of monitoring is no longer sufficient. Wireless monitoring has been proposed, but it requires rigorous validation. …”
    Get full text
    Article
  17. 2197

    Deep Reinforcemnet Learning for Robust Beamforming in Integrated Sensing, Communication and Power Transmission Systems by Chenfei Xie, Yue Xiu, Songjie Yang, Qilong Miao, Lu Chen, Yong Gao, Zhongpei Zhang

    Published 2025-01-01
    “…A communication network integrating multiple modes can effectively support the sustainable development of next-generation wireless communications. Integrated sensing, communication, and power transfer (ISCPT) represents an emerging technological paradigm that not only facilitates information transmission but also enables environmental sensing and wireless power transfer. …”
    Get full text
    Article
  18. 2198

    Research on water and fertilizer irrigation system of tea plantation by Xuetao Jia, Ying Huang, Yanhua Wang, Daozong Sun

    Published 2019-03-01
    “…In this article, water and fertilizer irrigation system of tea plantation was developed to ensure stable yield, quality of tea, and appropriate irrigation and fertilization. Wireless sensor network node and gateway node are designed and deployed in the tea plantation for collecting soil moisture in real time. …”
    Get full text
    Article
  19. 2199

    A Brief Analysis of Radio Propagation Models for Long Term Evolution by Mingfeng Zhao

    Published 2013-09-01
    “…The accurate network planning and optimization was based on good radio propagation model for the particular wireless environment and specific frequency.Several types of LTE-based propagation models were reviewed under the three kinds of propagation model such as empirical model, semi-empirical model and deterministic model. …”
    Get full text
    Article
  20. 2200

    Progressive linear precoder design for MIMO ARQ retransmissions with channel estimation error by SHI Zhi-hua, ZHAO Chun-ming, YANG Yi-jin, ZHOU Peng

    Published 2007-01-01
    “…Progressive linear precoders were investigated for packet retransmissions in MIMO ARQ systems with channel estimation error,as part of cross-layer wireless network research thrust.As the first step,lower and upper bounds were de-rived for the capacity of MIMO ARQ systems in the presence of channel estimation error.From these bounds,it was seen that the capacity was limited by the channel estimation error at high SNRs.For mathematical simplicity,a set of suboptimal progressive linear precoders have been proposed for ARQ retransmissions with channel estimation error,by utilizing the lower bound.Simulation results illustrated that the proposed suboptimal preocders can obtain satisfying performance.…”
    Get full text
    Article