Results 71 to 80 of about 710,020 (189)
Analysis of Interference in Wireless Networks [PDF]
arXiv, 2018 As wireless systems grow rapidly worldwide, one of the most important things, wireless systems designers and service providers faces is interference. Interference decreases coverage, capacity [1], and limits the effectiveness of both new and existing systems.
arxiv
Spatially Correlated Rayleigh Fading for Cell-Free Massive MIMO Systems
IEEE Access, 2020 In this paper, we present the detailed rate analysis for cell-free massive multiple-input multiple-output (MIMO) systems over spatially correlated Rayleigh fading channels.
Meng Zhou +3 more
doaj +1 more source
Wireless Application Protocol Architecture Overview [PDF]
arXiv, 2016 WAP protocol is a set of communication protocols application environment and wireless devices. WAP model more than a WAP gateway. Suitable for wireless communication environment.
arxiv
Bounds and Methods for Multiple Directional Sources Localization Based on RSS Measurements
IEEE Access, 2019 Source localization using RSS (received signal strength) measurements has received considerable attention recently. However, there are few works focusing on the problem of positioning multiple directional sources.
Tao Peng +5 more
doaj +1 more source
Reconfigurable Polarizer Based on Bulk Dirac Semimetal Metasurface
Crystals, 2020 In this paper, we propose a reflective polarizer in terahertz regime, which utilizes the Bulk-Dirac-Semimetal (BDS) metasurface can be dynamically tuned in broadband.
Yannan Jiang, Jing Zhao, Jiao Wang
doaj +1 more source
RF Spectrum Sensing Based on an Overdamped Nonlinear Oscillator Ring for Cognitive Radios
Sensors, 2016 Existing spectrum-sensing techniques for cognitive radios require an analog-to-digital converter (ADC) to work at high dynamic range and a high sampling rate, resulting in high cost.
Zhi-Ling Tang, Si-Min Li, Li-Juan Yu
doaj +1 more source
IEEE Access, 2018 In this paper, real measurements were conducted to investigate the impact of rain on the propagation of millimeter waves at 26 GHz. The measurements were accomplished using a microwave fifth generation radio link system with 1.3 km path length ...
Ibraheem Shayea +3 more
doaj +1 more source
Design of Coded ALOHA With ZigZag Decoder
IEEE Access, 2019 In this study, we investigated the effects of combining a zigzag decoder (ZD) with a coded ALOHA using the successive interference cancellation (SIC) technique to retrieve packets from collisions.
Masaru Oinaga +2 more
doaj +1 more source
Study and Capacity Evaluation of SISO, MISO and MIMO RF Wireless Communication Systems [PDF]
arXiv, 2014 The wireless communication systems has gone from different generations from SISO systems to MIMO systems. Bandwidth is one important constraint in wireless communication. In wireless communication, high data transmission rates are essential for the services like tripple play i.e. data, voice and video. At user end the capacity determines the quality of
arxiv
Context-Awareness Enhances 5G Multi-Access Edge Computing Reliability
IEEE Access, 2019 The fifth-generation mobile telecommunication network is expected to support multi-access edge computing (MEC), which intends to distribute computation tasks and services from the central cloud to the edge clouds. Toward ultra-responsive, ultra-reliable,
Bin Han +4 more
doaj +1 more source