Performance evaluation and mathematical analysis of direct sequence and frequency hopping spread spectrum systems under wideband interference

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Direct Sequence and Frequency Hopping Spread Spectrum Systems, understanding differences between both schemes

En este trabajo se trataran las diferencias entre los sistemas FHSS y DSSS spread spectrum. Estos sistemas son la base en el desarrollo de las nuevas tecnologías inalámbricas. El canal de comunicación y las propiedades de ambos sistemas son importantes para determinar la elección de uno u otro en una particular aplicación. Primero, introduciremos ambos sistemas y posteriormente utilizaremos mod...

متن کامل

Performance of Frequency-Hopping Spread-Spectrum Mobile Radio Systems

Published in Viswanathan, R. (1984). Performance of frequency-hopping spread-spectrum mobile radio systems. IEEE Transactions on Information Theory, 30(6), 879. 1984 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists,...

متن کامل

BER Performance Analysis of Frequency-Hopping and Direct-Sequencing Spread Spectrum for Cognitive Radio Networks

Cognitive radio is an encouraging technology for future wireless communication networks. Due to the rapid increase in wireless services, the RF spectrum is going through a scarcity problem. This has forced mobile operators to participate in multimillion dollar auctions to reserve some spectrum resources. Cognitive radio tries to solve this scarcity problem by effectively using the unused portio...

متن کامل

Performance comparison of frequency flopping and direct sequence spread spectrum systems in the 2.4 GHz range

The FHSS and DSSS technologies are described as well as different types of spread coding. DSSS systems can provide higher access data rates (up to 11Mbit/s) than FHSS systems (up to 3Mbit/s). More FHSS systems can operate simultaneously in the same area than DSSS systems. DSSS systems have higher interference susceptibility tolerance levels. However, if there is a strong broadband interferer in...

متن کامل

Performance Improvement of Wireless Communications Using Frequency Hopping Spread Spectrum

To improve the performance of short-range wireless communications, channel quality must be improved by avoiding interference and multi-path fading. Frequency hopping spread spectrum (FHSS) is a transmission technique where the carrier hops from frequency to frequency. For frequency hopping a mechanism must be designed so that the data can be transmitted in a clear channel and avoid congested ch...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: International Journal of Advances in Intelligent Informatics

سال: 2018

ISSN: 2548-3161,2442-6571

DOI: 10.26555/ijain.v4i3.261