Results 211 to 220 of about 16,530 (258)
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Broadband Coherent Communication System
IETE Technical Review, 2003During the last few years, there has been an increasing demand for high-speed data transmission. Although, fiber optics technology has matured already for high data transport, however, for spaces lacking the fiber infrastructure, wireless technologies are becoming the medium of choice for broadband networking. The first investigations on optoelectronic
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Experiments of a DBM broadband communication system
Annual Meeting Optical Society of America, 1989An optical communication system by which broadband analog and high speed digital information is transmitted simultaneously can be implemented using radio frequency (rf) or microwave subcarrier multiplexing (SCM). This system can also be used for general broadband communications if we can use subcarriers of tens of gigahertz.1 Therefore we call this ...
R. S. Tian, Charles S. Ih
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MIMO systems for broadband wireless communications
BT Technology Journal, 2006The emergence of broadband wireless access (BWA) and mobility poses significant challenges to the future telecommunications landscape. Multiple input multiple output (MIMO) is a potential technology that can be used to improve system performances such as coverage, capacity and data rates for broadband wireless networks.
X. Gu, X.- H. Peng, G. C. Zhang
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Broadband system to increase bitrate in train communication networks
Computer Standards & Interfaces, 2009MVB (Multifunction Vehicle Bus), defined in IEC 61375, has been broadly adopted as the communication standard between embedded control systems on-board modern trains. In this work a new method to take advantage of the full bandwidth of the channel using an OFDM technique is described.
Carlos Rodríguez-Morcillo +2 more
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Design of broadband transimpedance amplifier for optical communication systems
Microelectronics Journal, 2015This paper describes the design and analysis of broadband transimpedance amplifiers (TIAs) based on Regulated Cascode (RGC) configuration. The focus is to deal with bandwidth restriction occurring in optical receivers coming from TIA input parasitic capacitances.
Mahmood Seifouri +2 more
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Broadband power line communication systems
2018In this chapter, an overview of the two PHY layers specified in the IEEE 1901-2010 standard (based on the FFT-ODFM and W-OFDM techniques) will be initially presented. Next, some performance simulations of these PHY layers will be carried out taking into account the effects caused by multipath fading channels, additive white Gaussian noise (AWGN) and ...
Ivan R. Casella +2 more
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A global architecture for broadband communication systems: the BERKOM approach
[1988] Proceedings. Workshop on the Future Trends of Distributed Computing Systems in the 1990s, 2003The architecture and major solutions adopted for a global system based on a prototype broadband integrated services digital network, developed as part of the BERKOM pilot project 5 are outlined. A reference model has been developed for the global architecture in order to guarantee the coherent development of the different modules and their interworking
Radu Popescu-Zeletin +3 more
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Clock Recovery in Broadband Communication Systems
1995When random data is transmitted over a channel, in the form of a sequence of symbols belonging to a given alphabet, a receiver designed to interpret these signals must perform two separate tasks. The primary task is to decide which of the signals from the original alphabet was transmitted.
Aaron Buchwald, Kenneth W. Martin
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WSSUS - channel models for broadband mobile communication systems
Vehicular Technology Conference. IEEE 55th Vehicular Technology Conference. VTC Spring 2002 (Cat. No.02CH37367), 2003Due to the increasing interest in mobile multimedia applications requiring high bandwidths, channel models need to be derived which represent properly broadband mobile radio channels. Previously defined models, e.g. for GSM by COST 207, are not verified for systems having such large bandwidths.
Steffen Bug +3 more
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Modeling of Hybrid-service in Broadband Wireless Communication System
2009 Eighth IEEE/ACIS International Conference on Computer and Information Science, 2009Wireless mobile communication has evolved from 2G to 3G and B3G?and the advent of many new services raises the need to construct the service model. Since traffics in broadband networks are often the mixture of different services, modeling of hybrid-service is very important for network planning, performance evaluation and resource management.
Xiaowei Qin, Leixin Mai, Xuchu Dai
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