Abstract-With the technological growth of broadband wireless technology like CDMA, OFDM and MIMO, a lots of development efforts towards wireless communication system and imaging radar system are well justified. It has been recently shown that multipleinput multiple-output (MIMO) antenna systems have the potential to dramatically improve the performance of communication systems over single antenna systems. Efforts are also being imparted towards a Convergence Technology. The convergence between a communication and radar technology which will result in ITS (Intelligent Transport System) and other applications. This motivates development of the present article. This is an effort in the direction to utilize or converge the communication technologies towards radar and to achieve the interference and clutter free quality remote images of targets.
Abstract-Intelligent Transport Systems (ITS) are becoming a reality, driven by navigation safety requirements and by the investments of car manufacturers and Public Transport Authorities all around the world. ITS make it possible to imagine a future in which cars will be able to foresee and avoid collisions, navigate the quickest route to their destination, making use of up-to-the minute traffic reports, identify the nearest available parking slot and minimize their carbon emissions. Also demand for voice, data and multimedia services, while moving in car increase the importance of broadband wireless systems [1]. Efforts are being imparted towards the convergence of mobile communications, computing and remote sensing. Spread spectrum based digital RADAR can be utilized as a remote sensing device in ITS. This motivates us in development of DSSS (Direct Sequence Spread Spectrum) based digital RADAR at our institute. It is quite capable of detecting target in the open field. The experiment was carried out for different standard target like flat plates, spheres etc. The operational digital RADAR is capable of
36Kandar, Sarkar, and Bera rejecting interference, but fails in a strong multipath scenario. Again RAKE processing is established in communication. Our approach is implementing RAKE processing at the RADAR receiver to exploit multipath.
Abstract-Wireless technology offers new found freedom and the potential for 'anytime, anyplace' communications. Communication technology requires being sustainable in the sense of efficiency, not only to preserve the information within the quality requirements, but also to express the same contents with the minimum resources. The Code Division Multiple Access (CDMA) is an emerging technology for next generation multimedia information of real-time and non real-time traffic and various multi-source multi-traffic communication environments.Multiple inputs multiple output (MIMO) as an adaptive antenna based technology which can improves the capacity of wireless mobile communication. The combined technique has both the advantages of CDMA and MIMO systems. Below the jamming margin CDMA alone works up to satisfactory level but above jamming margin CDMA along with MIMO may be a better proposition for anytimeanywhere communication.
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