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This paper presents the WiMAX- IEEE 802.16e real throughput analysis, measurement and evaluation. As throughput is a term with diverse definitions, the analysis starts from a theoretical modeling for throughput estimation in ideal radio propagation conditions, based on IEEE 802.16e standard and related works on throughput estimation. The tests were conducted using CTC (Convolutional Turbo Code) channel...
The massive use of IEEE 802.11 networks/devices together with the technological progress on spectrum monitoring processing devices/software generate premises to search for improved techniques of mitigating the interference consequences. Many works approached co-channel and adjacent interference between IEEE 802.11/WiFi networks/devices, but few include non-WiFi interference sources, which sometimes...
Mobile communication networks are nowadays rather known as Wi-Fi for internet networks and less the classical radio voice communications networks. The most used mobile networks remains however the well known and a little bit old from now GSM/2G (Global System for Mobile Communication/2nd Generation) and the „former” new entry, but full used UMTS/3G (Universal Mobile Telecommunication System/3rd Generation)...
The paper presents an approach of the design optimization for the TAFHNET model, including cognitive features, with the focus on a secure (anonymous) routing algorithm (SECRAL). The SECRAL is offering a simpler solution with an alternative original mathematical model, aiming a balance between the highest security and the complexity cost and including scalable additional cognitive information (ACI)...
The paper presents an approach to place the design of spreading codes (SC) for tactical soft frequency hopping radios networks in an environment linking multiple access interference (MAI) and tone jamming, using Galois extended field-GF(pn) oriented basics elements for an optimal design of the new classes of quasi orthogonal (QO)-SC (providing single frequency overlap as MAI). The paper includes applications...
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