broadband wireless communications
Multicarrier DS CDMA: A Multiple Access Scheme for Ubiquitous Broadband Wireless Communications
... a broadband multiple access system with bandwidth on the order of tens or even hun- dreds of ...ubiquitous communications over a variety of channels encountered in indoor, open rural, suburban, and urban ...
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Reconfigurable Signal Processing and Hardware Architecture for Broadband Wireless Communications
... a broadband wireless transceiver which can be reconfigured to any type of cyclic-prefix (CP) -based com- munication systems, including orthogonal frequency-division multiplexing (OFDM), single-carrier ...
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An Intelligent HAP for Broadband Wireless Communications: Developments, QoS and Applications
... improve communications between rescue teams and headquarters, but is limited in human resources, as an environmental obstacle, and by budget constraints ...emergency communications systems requirements and ...
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Green Communication :Current Scenario with special reference to Mobile Industry Growth and Potential
... 4. M. Gruber, O. Blume, D. Ferling, D. Zeller, M.A. Imran, and E. Calvanese Strinati. EARTH – Energy Aware Radio and Network Technologies. In Proceedings of IEEE 20th International Symposium on Personal, Indoor and ...
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PERFORMANCE ANALYSIS AND SPECIAL ISSUES OF BROADBAND STRATEGIES IN THE COMPUTER COMMUNICATION
... obtain broadband access to the home, they find that this access needs to be shared with other members of the family using multiple ...Once broadband access and home networking reaches critical mass in terms ...
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A SURVEY OF MOBILE WIMAX STANDARD
... global broadband wireless system based on IEEE ...provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed station and 3 to 10 miles (5-15 km) for mobile stations with ...
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Wireless Vehicular Communications
... VC offer a rich set of tools to drivers and administrators of transportation systems but, at the same time, they make possible a formidable set of abuses and attacks. Consider, for example, nodes that 'contaminate' large ...
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Download Download PDF
... deployment of WiMAX. Firstly, it supports higher throughput rates, higher data speed rates and wider operating range. These make the technology very useful for deployment in bad terrain areas or in environments with ...
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Development of Interest in Science and Interest in Teaching Elementary Science: Influence of Informal, School, and Inquiry Methods Course Experiences
... As Ostrom states it, “Once a competitive market is provided, individuals can enter and exit freely whether or not they contribute to the cost of providing and maintaining the market. Thus, no market can exist for long ...
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The impact of ultra fast broadband on telehealth in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Information Sciences in Information Technology at Massey University, Albany, New Zealand [print title]
... 3.2. TYPES OF BROADBAND 25 Nowadays MMDS is used to transmit cable TV signal, telephone sig- nals and fax data signals. MMDS has been around since 1970 and it was known as wireless cable. It was used to ...
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Broadband Microstrip Antennas Using Coplanar Feed-Line
... By introducing the coplanar feed line, another new excitation occurs, which results in a new resonant mode. The capacitance introduced by the U-shaped coplanar line and the inductance introduced by coaxial feed generate ...
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Survey on Handoff with QoS in WIMAX
... area wireless access technologies are : ...in wireless networks is much more challenging than that in wired networks because the characteristics of the wireless link are highly variable and ...
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Design of Bidirectional Coupling Circuit for Broadband Power Line Communications
... Power lines may be a cheap and good networking option in the sense that they are almost a universally present infrastructure. The conventional power line can be effec- tively utilized for broadband communication. ...
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Title: A REVIEW ON DENIAL OF SERVICE ATTACKS IN WIRELESS MESH NETWORK
... less computation than asymmetric cryptographic techniques[8]. Or a better solution would be using the Diffie-Hellman (D-H) key exchange9. Diffie-Hellman (D-H) key exchange is a cryptographic protocol that allows two ...
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UWB antennas for wireless communications
... Various wideband antennas have been interesting subjects and have found important applications in military and civilian systems. The PMA has been a good candidate for such applications. There has been a question of how ...
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Wireless Broadband Access: Mobile WiMAX
... Scalability: Mobile WiMAX technology is designed to be capable to scale to work in diverse channelization from 1.25 to 20 MHz to meet the terms with diverse global requests as attempts carry on to accomplish spectrum ...
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Flexible broadcasting of scalable video streams in broadband wireless system
... Evolved multimedia broadcast and multicast services (eMBMS) deliver multimedia multicast streaming and download services in the long term evolution (LTE) networks. Although power and spectral efficient, power efficient ...
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Broadband Internet Access in Regional Australia
... This will achieve a possible 11 Mb/s service area of 5 km radius (assuming an antenna omnidirectional in azimuth), probably capable of supporting 50-70 broadband users with a reasonable fraction of this data rate ...
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Desktop Shaped Broadband Microstrip Patch Antennas for Wireless Communications
... 2. Pues, H. F. and A. R. Van De Capelle, “An impedance technique for increasing the bandwidth of microstrip antennas,” IEEE Transactions on Antennas and Propagation, Vol. 37, 1345–1354, 1989. 3. Sarin, V. P., M. S. ...
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Design of FIR Precoders and Equalizers for Broadband MIMO Wireless Channels with Power Constraints
... In this section, simulation results are presented to illus- trate the performance of optimal precoders with power con- straints. Since the same design technique is applicable to both equalizers and precoders, we only ...
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