Wireless Personal Communications

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Improving Fairness and Convergence Efficiency of TCP Traffic in Multi-hop Wireless Networks
Wireless Personal Communications - Tập 121 - Trang 459-485 - 2021
M. Joseph Auxilius Jude, V. C. Diniesh, M. Shivaranjani, S. Madhumitha, V. Karthik Balaji, M. Myvizhi
Last-mile telecommunication networks witnessed phenomenal growth in using multi-hop wireless technologies to improve capacity and radio coverage for a longer extent. The penetration of wireless internet in last-mile multi-hop networks has significantly altered our routine lifestyle. Most internet applications heavily rely on transmission control protocol (TCP) to reliably deliver data packets betw...... hiện toàn bộ
In Search of a Location-Centric Rain Attenuation Model
Wireless Personal Communications - Tập 124 - Trang 315-332 - 2022
Rajasri Sen Jaiswal, K. Thirumala Lakshmi
In search of an accurate location-centric rain-induced attenuation model, in this paper, the authors have investigated the measured attenuation and rainfall intensities at a few locations in India, namely Amritsar, Kolkata, Kondapalli, and New Delhi. The proposed model predicts rain-induced attenuation as a function of a few location-centric parameters, like the height from the mean sea level, the...... hiện toàn bộ
Capacity of wireless dynamic TDMA and media access control for packetized voice/data integration
Wireless Personal Communications - Tập 1 - Trang 313-319 - 1994
Byung Chul Kim, Chong Kwan Un
We obtain the capacity of wireless dynamic TDMA for packetized speech and investigate its stability characteristics depending upon the ratio between request slots and message slots. We analyze this system based on an imbedded Markov chain approximation and validate its performance by simulation. We also propose a new media access control for voice/data integration and investigate its performance b...... hiện toàn bộ
Performance Analysis of Smart Relaying with Equal Gain Combining
Wireless Personal Communications - Tập 65 - Trang 273-292 - 2011
Nam H. Vien, Ha H. Nguyen, Tho Le-Ngoc
Relaying communications has been proposed as a way to provide spatial diversity. In general, one is interested in a relaying system that can achieve the maximal diversity order with a low system complexity. One enabling technique is equal gain combining (EGC) and its application in relaying systems is the main focus of this paper. In particular, the techniques of EGC and smart relaying are combine...... hiện toàn bộ
Cảm biến phổ dựa trên giá trị tuyệt đối cumulating với tiếng ồn Laplace trong mạng radio nhận thức Dịch bởi AI
Wireless Personal Communications - Tập 83 - Trang 1387-1404 - 2015
Rui Gao, Zan Li, Husheng Li, Bo Ai
Cảm biến phổ trong sự hiện diện của tiếng ồn không Gaussian là một vấn đề thách thức đối với các mạng radio nhận thức. Tuy nhiên, có rất ít bộ phát hiện có thể hoạt động tốt trong trường hợp này. Dựa trên điều này, chúng tôi đề xuất một thuật toán cảm biến phổ thông qua việc tích lũy giá trị tuyệt đối (AVC) với tiếng ồn Laplace. Thuật toán AVC tận dụng tối đa các thuộc tính ngẫu nhiên của tiếng ồn...... hiện toàn bộ
#cảm biến phổ #tiếng ồn Laplace #mạng radio nhận thức #tích lũy giá trị tuyệt đối #tỷ lệ tín hiệu trên tiếng ồn
Resource Allocation in Downlink OFDM Wireless Systems with User Rate Allowed Regions
Wireless Personal Communications - - 2014
Shanzhi Chen, Zhanyang Ren, Bo Hu, Weiguo Ma
In this paper, a novel adaptive resource allocation in downlink orthogonal frequency division multiplexing wireless system is investigated. Different from the conventional algorithms, user rate allowed regions are considered. That is, not only the user minimum rate requirements are to be satisfied, but also the maximum rate limitations are introduced to make resource allocation more reasonable. Gi...... hiện toàn bộ
Diversity Combining and Equalization with TCM for Wireless Communications
Wireless Personal Communications - Tập 20 - Trang 41-60 - 2002
Yue Chen, K.B. Letaief, Justin C.-I. Chuang
This paper presents an equalization structure in which antennadiversity, adaptive decision feedback equalization (DFE), interleavingand trellis-coded modulation (TCM) can be effectively combined to combatboth ISI and cochannel interference in cellular mobile radioenvironments. The feedback filter of the DFE can use either tentative orfinal decision symbols of the TCM Viterbi decoding to cancel tai...... hiện toàn bộ
Tapered Antenna Array with Non-identical Triangular MSA Elements for FSLL Reduction
Wireless Personal Communications - Tập 106 - Trang 1339-1352 - 2019
Bharti Singh, Nisha Sarwade, K. P. Ray, Amit A. Deshmukh
Reduced interference from nearby communication systems is an essential need in all generations of wireless communication systems. In this paper, interference is reduced by reducing the first side lobe level (FSLL) by using the concept of tapering realized with non-identical triangular elements. Resonance frequency of an Equilateral triangular microstrip antenna depends on its patch height. This pr...... hiện toàn bộ
Congestion Control Framework for Ad-Hoc Wireless Networks
Wireless Personal Communications - Tập 52 - Trang 753-775 - 2009
Christos Antonopoulos, Stavros Koubias
During the last few years, bandwidth and traffic control have immerged as issues of great importance in ad-hoc wireless networks, requiring sophisticated managing techniques. Moreover, due to the increasing variety of applications and consequently respective need for bandwidth control, such issues are expected to become even more critical in the near future. Main characteristics of MANETs such as ...... hiện toàn bộ
Correction to: Elliptic Curve Cryptography Based Authentication Protocol Enabled with Optimized Neural Network Based DoS Mitigation
Wireless Personal Communications - Tập 124 - Trang 27-27 - 2022
Sobini X. Pushpa, S. Kanaga Suba Raja
Tổng số: 8,227   
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