Results 31 to 40 of about 10,965 (186)
Capacity analysis of reservation-based random access for broadband wireless access networks [PDF]
, 2009 —In this paper we propose a novel model for the capacity analysis on the reservation-based random multiple access system, which can be applied to the medium access control protocol of the emerging WiMAX technology.
Ni, Q, Staehle, D, Turlikov, A, Vinel, A
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Multicast broadcast services support in OFDMA-based WiMAX systems [Advances in mobile multimedia] [PDF]
, 2007 Multimedia stream service provided by broadband wireless networks has emerged as an important technology and has attracted much attention. An all-IP network architecture with reliable high-throughput air interface makes orthogonal frequency division ...
Chen, HH, Jiang, T, Ni, Q, Xiang, W
core +1 more source
Common security issues and challenges in wireless sensor networks and IEEE 802.11 wireless mesh networks [PDF]
, 2009 Both Wireless Mesh Network (WMN) and Wireless Sensor Network (WSN) are multi-hop wireless networks. WMN is an emerging community based integrated broadband wireless network which ensures high bandwidth ubiquitous internet provision to users, while, WSN ...
Loo, KK, Naeem, T
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Nonlinearity and Noise Effects in Multi-level Signal Millimeter-Wave over Fiber Transmission using Single- and Dual-Wavelength Modulation [PDF]
, 2010 We transmit multilevel quadrature amplitude modulation (QAM) data-IEEE 802.16 schemes-at 20 MSps and an orthogonal frequency-division multiplexing (OFDM) 802.11 g signal (54 Mbps) with a 25 GHz millimeter-wave over fiber system, which employs a dual ...
Gomes, Nathan J. +4 more
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IEEE 802.16: WiMAX Overview, WiMAX Architecture [PDF]
International Journal of Computer Theory and Engineering, 2013 WiMax, the Worldwide Interoperability for Microwave Access is a new technology dealing with provision of data over long distance using wireless communication method in many different ways. Based on IEEE 802.16 WiMax is claimed as an alternative broadband rather than cable and DSL.
Seyedzadegan, Mojtaba, Othman, Mohamed
openaire +1 more source
Journal of Computer Networks and Communications, 2011 In today's networks, the widespread use of real-time traffic such as video and audio applications demand special service guarantee in terms of throughput, delay, and jitter, thus making quality of service (QoS) a key problem.
Ishita Bhakta +5 more
doaj +1 more source
Mobile WiMAX: impact of mobility on the performance of limited feedback linear precoding [PDF]
, 2010 The mobile WiMAX standard (802.16e) uses multiple-input multiple-output (MIMO) limited feedback linear precoding to exploit the channel state information at the transmitter.
Doufexi, A, Nix, AR, Tran, T
core +2 more sources
Survey of scheduling algorithms in IEEE 802.16 PMP networks
Egyptian Informatics Journal, 2014 IEEE 802.16 standard has been proposed to support wide-range wireless broadband access. It is based on a common medium access control (MAC) protocol compliance with several physical layer specifications and operates in two modes Point-to-multipoint (PMP)
Akashdeep +2 more
doaj +1 more source
A Survey on Scheduling in IEEE 802.16 Mesh Mode [PDF]
IEEE Communications Surveys & Tutorials, 2010 IEEE 802.16 standard (also known as WiMAX) defines the wireless broadband network technology which aims to solve the so called last mile problem via providing high bandwidth Internet even to the rural areas for which the cable deployment is very costly. The standard mainly focuses on the MAC and PHY layer issues, supporting two transmission modes: PMP (
Kas, M. +3 more
openaire +6 more sources
Performance Improvements in SNR of a Multipath Channel Using OFDM-MIMO [PDF]
International Journal of Electronics and Telecommunications, 2023 The Non Line of Sight (NLOS) broadband wireless access provided by Worldwide Interoperability for Microwave Access (WiMAX) operating in 2-11 GHz frequency is susceptible to the effects of multipath propagation, diffraction fading, vegetation attenuation,
Sharmini Enoch, Ifiok Otung
doaj +1 more source