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SDR is nothing but software defined radio technique using laboratory virtual instrument engineering workbench (LabVIEW) as software to mark the radio utilities hardware implemented i.e. universal software defined radio (USRP). In the advancement of SDR implemented LabVIEW to develop as instrument that offers function to support SDR. SDR is the root of innovative wireless communication environment...
A new communication paradigm known as Nano Communication (NC) makes the things more powerful in a much smaller size. Noise and fading are two important impairment of any wireless communication system. Recently, CM1 scenario is proposed to model the fading in NC system. On the other hand, only traditional noise i.e. AWGN is taken for analysis of NC. This research paper introduces a novel noise, AWGGN...
With the rapid development of wireless and mobile technologies (LBS, Privacy of personal location information in location-based services of a vehicle ad-hoc network (VANET) users is becoming an increasingly important issue. LBSs provide enhanced functionalities, they open up new vulnerabilities that can be exploited to cause security and privacy breaches. During communication in LBSs, individuals...
In this paper, we have reviewed a brief description of the ways in which the multi-rate filters are implemented in various fields of digital communication system during last decade. The main objectives of this survey paper is to find the application of multi-rate digital filters used in various fields, such as; speech coding, scrambling, adaptive signal processing, image processing, software defined...
In this paper, we have analyzed the simulation of various adaptive techniques used in wireless communication as a comprehensive view. For this analysis we have derived the algorithm for least mean square (LMS), recursive least square (RLS) and minimum mean square error (MMSE). These adaptive filtering techniques are the best way to mitigate the effect of interference in a communication system. As...
Channel capacity has been greatest challenge for the researchers in the field of wireless communication. Capacity analysis and its improvement have been proposed under various scenarios. However, most of them are based on conventional PDF based techniques, some times which render very complex analysis. Analysis becomes more difficult when diversity combining is used for performance improvement. Keeping...
Wireless mesh network (WMN) has emerged as a key technology because of their advantages over other wireless networks. Due to the dynamic infrastructure, the traffic volume of the WMN goes in an increasing order, thus balancing the load of the network becomes very crucial. Hence the problem of load balancing is addressed in this paper and for which the cluster based architecture of WMN is considered...
Wireless mesh networks (WMNs) have emerged as a key technology for next-generation wireless networking, because of their advantages over other wireless networks. Due to the ever growing structure of WMN the traffic volume is expected to be very high, thus load balancing becomes a crucial part of it. Network load balancing enhances the scalability and availability of network. Load balancing can be...
We report on a cost effective, portable urban air pollution monitoring device, Envirobat, based on commercially available gas sensors. In order to carry out air pollution monitoring over an extensively large area, the device integrates inexpensive solid state sensors, along with GSM Module which transmits measured data at multiple ground sites to a centralized server through GPRS. This device facilitates...
The concept of distributed base stations and the remote radio heads (RRH) is an emerging trend and is being used significantly in the fast expanding heterogeneous wireless networks. Standard interface protocols to connect the digital baseband module and the analogue radio modules in modern base transceiver stations (BTS) has received special attention and is being intensely pursued by the industry...
This paper presents the analysis of simple, compact, CPW- fed monopole aperture antenna with 10dB return loss (VSWR<2) band from 8 GHz to 12GHz for X-band applications. The antenna includes ground plane, rectangular slot and a crossed rectangular exciting stub. The antenna is very simple and easy to fabricate. The proposed antenna is designed on an inexpensive FR4_Epoxy substrate with dielectric...
In the recent years, world has witnessed continuous growth of ICT services and global information society. According to ITU, the single most dynamic ICT development over the recent years has been the surge in the mobile broadband subscriptions which has emerged as one of the major sources of world energy consumption and is expected to get more demanding in the future due to increase in the density...
Mobile ad hoc networks (Manets) are gaining a lot of concentration in research in recent times due to their importance in enabling mobile wireless nodes to communicate without any existing wired or predetermined infrastructures. One of the main features of mobile ad hoc network lies in the vibrant topology. As the nodes move within the network, the links between nodes are often formed and broken down...
Constraint programming is the study of computational system based on constraints. The idea of constraint programming is to solve problem by stating constraints about the problem and consequently finding the solution satisfying all the constraints. In this paper the application of constraint satisfaction programming is used in predicting the path loss of various indoor propagation models using chronological...
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