The demands for high speed applications are growing at a faster rate. To meet
theserequirements, 4G technologies are being used nowadays. COFDM based WiMax is the …

In wireless communication, parallel transmission of symbols using multi carriers is applied to
achieve high efficiency in terms of throughput and better transmission quality. In multipath …

In this paper, we present a systematic method to determine not only the multiplicity, but also
detailed patterns of low-weight parity-check components and systematic components with …

In recent times, new advanced wireless systems are growing at fast rate to meet high speed
applications. To meet these demands, 4G technologies are being used nowadays …

The demand for high speed applications are growing at a faster rate. To meet these
requirements, 4G technologies are being used nowadays. COFDM based WiMax is the …

Turbo codes are a novel type of forward error correcting codes that have proved to give a
perfor-mance close to the channel capacity as proposed by C. Shannon. The parallel …

Turbo codes are a new class of forward error correcting codes that have proved to give a
performance close to the channel capacity as proposed by C. Shannon. A turbo code …

WIMAX is one of most important 4G technology being used nowadays for broadband
wireless access systems. This paper analyzes the performance of WIMAX system for …

This paper analyzes the performance of WiMAX system when subjected to Rayleigh fading
channel conditions in terms of bit error rate, throughput and spectral efficiency. Firstly, the …

Résumé Given the increasing number of applications requires high data transmission
without increasing the channel band-width, this is the reason for the use of high order …