wireless communication research papers 2012

wireless communication research papers 2012




A Low Complexity Reconfigurable Non-uniform Filter Bank for Channelization in Multi-standardWireless Communication Receivers
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ABSTRACT In a typical multi-standard wireless communication receiver, the channelizer must have the capability of extracting multiple channels (frequency bands) of distinct bandwidths corresponding to different communication standards. The channelizer operates at the

An Efficient Path loss Prediction mechanism in Wireless Communication Network Using Fuzzy Logic
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ABSTRACT Fuzzy logic have been applied in many process and engineering applications to solve problems. In the case of control systems, where physical mechanisms are not well known due to high complexity and non-linearity, a fuzzy relational model may be useful.

OPTIMIZATION APPROACH TO JOINT CELL, CHANNEL AND POWER ALLOCATION INWIRELESS COMMUNICATION NETWORKS
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ABSTRACT In multicell wireless networks the resource allocation task includes the selection of the serving cell and the allocation of channels and transmission powers. While all of these tasks have been studied in the past, all three jointly are seldom addressed. In this paper

A Compact L-slot Microstrip Antenna for Quad band Applications in Wireless Communication
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ABSTRACT A single feed compact rectangular microstrip antenna for quad band applications has been designed and developed. This antenna is incorporated by four L-shaped slot structure along the length on the patch. Four resonating frequencies are obtained at 1.845

Performance Analysis of Two-Layer Spreading scheme based FEC encoded MC–CDMAwireless communication system under implementation of various
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Abstract In this paper, a comprehensive study has been made on the performance evaluation of a two-layer spreading scheme based MC-CDMA wireless communication system. The ½-rated convolutionally encoded system under present study incorporates

Optimal resource allocation in wireless communication and networking
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Abstract Optimal design of wireless systems in the presence of fading involves the instantaneous allocation of resources such as power and frequency with the ultimate goal of maximizing long term system properties such as ergodic capacities and average power

Performane Evaluation of High Speed Optical Wireless Communication System
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ABSTRACT In this paper, performance evaluation of high speed optical wireless communication has been observed. It has been observed that Q value lies in the range of 26 to 15 dB and 25 to 14dB in the transmission power (8dBm) and attenuation (23dB) at

Design and Implementation of SOC in NIOS-II Soft Core Processor for Secured Wireless Communication
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ABSTRACT In the modern world, the information that could benefit the individual/a group also can be used against such individual or group. Encryption is the technique of converting a plaintext (original data packet) into cipher text (encrypted message) which can be

Intelligent Wireless Communication System Using Cognitive Radio
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Abstract The increasing demand for wireless communication introduces efficient spectrum utilization challenge. To address this challenge, cognitive radio (CR) is emerged as the key technology; which enables opportunistic access to the spectrum. CR is a form

The cross layer RMPA handover: a reliable mobility pattern aware handover strategy for broadband wireless communication in a high-speed railway domain
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ABSTRACT Enhancing the handover process in broadband wireless communication deployment has traditionally motivated many research initiatives. In a high-speed railway domain, the challenge is even greater. Owing to the long distances covered, the mobile

Investigations on Aperture Diameter of Telescope in Intersatellite Optical Wireless communication system
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ABSTRACT Optical communications link have evolved from lengthy fibers to wireless system such as intersatellite transmission system, for which transmission capacity and distance of optical signal are always an important consideration factor to improve the performance of

Comparism of Adaptive Modulation Based MC-CDMA System and Adaptive Modulation Based OFDMA System for Future Wireless Communication
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ABSTRACT Adaptive Modulation Based MC-CDMA System and Adaptive Modulation Based OFDMA System are the Two Transmission Systems which are best suited for Future Wireless Communication ensuring LargeBandwidth, HighData rate and ErrorFree Data

Reliable broadband wireless communication for high speed trains using baseband cloud
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ABSTRACT We propose a novel high-speed train communication using baseband cloud (C- HSTC) system framework for providing continuous broadband services to highly mobile users. This framework is featured with a new virtualized single cell design which mitigates

BLIND CHANNEL-SHORTENING FOR WIRELESS COMMUNICATION WITH A RECURSIVE DELAYED PREDICTION-ERROR FILTER
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ABSTRACT Linear Prediction in Prediction-Error Filter implementation is a well-known technique for communication channel equalization. Here, we show how a recursive version may be used with additional prediction delay for blind channelshortening of wireless

Lightning Interference in Multiple Antennas Wireless Communication Systems
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ABSTRACT This paper analyzes the interference of lightning flashes with multiple antennas wireless communication systems operating in the microwave band at 2.4 GHz and 5.2 GHz. A bit error rate (BER) measurement method was used to evaluate BER and packet error

Bit Error Rate Reduction by Smart UWB Antenna Array in Indoor Wireless Communication
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ABSTRACT In this paper, a new ultra wideband circular antenna array (UCAA) combining genetic algorithm to minimize the bit error rate (BER) is proposed. The ultra wideband (UWB) impulse responses of the indoor channel for any transmitter-receiver location are

Performance Evaluation of DVB-T Based OFDM over Wireless Communication Channels
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ABSTRACT Video Broadcasting is playing a key role in communication arenas. In this paper DVB-T (terrestrial based digital video broadcasting) based OFDM is analyzed in terms of various parameters over different communication channels. DVB-T 2K and 8K mode

On the Design of Triangular Microstrip Antenna for Wireless Communication
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ABSTRACT Microstrip patch antenna has attracted wide interest due to its important properties such as light weight, low profile, simple to fabricate and easy to integrate with RF devices. In this paper very small size triangular microstrip antenna is designed by using

An Empirical Study of Different Modes of Wireless Network Communication and Ways to Optimize its Performance and Speed
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 ABSTRACT A wireless communication is a form of communication that does not require the transmitter and receiver to be in physical contact through guided media.  Wireless communication has become quiet prevalent all around the world.

An Underwater Optical Wireless Communication System Based on LED Source
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ABSTRACT Compared with other communication methods, optical wireless communication (OWC) holds the merits of higher transmitting rate and sufficient secrecy. So it is an efficacious communicating measure for data transmitting between underwater carriers.

The role of entrepreneurship in cluster evolution: The case of wireless communicationcluster in North Jutland, Denmark
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ABSTRACT Recent empirical studies have shown that entrepreneurship is often a key driver to formation of clusters. Examples of semiconductor industry in Silicon Valley, automobile industry in Detroit, and tire industry in Akron all demonstrate that some firms trigger

The Analysis of the Measurement Method of Conductivity of Underground Rock with Through-the-earth Wireless Communication in Coal Mine
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ABSTRACT When through-the-earth wireless communication is applied, the electromagnetic waves need to spread in the semi-conductive medium rocks. The main factors affecting the electromagnetic wave propagation in rocks is the rock strata electromagnetic parameters.

Evaluation of Wireless Communication based on BTS Antenna Gain
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ABSTRACT Radio wave propagation models are extremely important in radio network planning, design as well as in interference planning. All the models predict mean path loss as a function of different variables such as frequency, distance between transmitting and

Triple Band Planar Antenna for Wireless Communication
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ABSTRACT This paper presents a triple band planar antenna for wireless communication. The antenna is printed on FR4 substrate. The patch shape and the ground plane are studied to achieve the desired bandwidth. The reconfiguration of antenna is studied to improve the

Multiple Service providers sharing Spectrum using Cognitive Radio in Wireless Communication Networks
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ABSTRACT The current utilization of the spectrum is quite inefficient; consequently, if properly used, there is no shortage of the spectrum that is at present available. Therefore, it is anticipated that more flexible use of spectrum and spectrum sharing between radio

Sensor-Level Real-Time Support for XBee-Based Wireless Communication
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The ZigBee standard is focused on low-cost, low-power, wireless mesh networking, having a wide applicability mainly in the field of wireless sensor networks. A growing number of such applications require real-time behavior, both at the wireless communication and at the

An analytical model of the power spatial distribution for underwater optical wireless communication
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Employing optical propagation theory in Hankel transform, an analytical model of the optical power spatial distribution is derived for the ideal point optical source and the Gaussian laser, respectively. Experimental measurements of the spatial distribution of a Gaussian laser

Multiple Timescale Energy Scheduling for Wireless Communication with Energy Harvesting Devices
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ABSTRACT. The primary challenge in wireless communication with energy harvesting devices is to efficiently utilize the harvesting energy such that the data packet transmission could be supported. This challenge stems from not only QoS requirement imposed by the wireless

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