I am working on a project which includes data encryption and decryption usiin rf technology. i want complete details about the interfacing between the encoder with at89s52 microcontroller. ....etc

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kindly show the ppt for hop by routing in wireless mesh networks with bandwidth guarantees.... ....etc

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Incremental deployment service of Hop by hop multicast routing protocol
Abstract: IP multicast is facing a slow take-off although it has been a hotly debated topic for more than a decade. Many reasons are responsible for this status. Hence, the Internet is likely to be organized with both unicast and multicast enabled networks. Thus, it is of utmost importance to design protocols that allow the progressive deployment of the multicast service by supporting unicast clouds. This paper presents HBH (hop-by-hop multicast routing protocol). HBH adop ....etc

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kindly send the full description of block diagram and ckt diagram. ....etc

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Wirelesss Data Encryptiion and Decryption using RF Communication

(Abstract)
In Todayâ„¢s Electronic communication take important role. Using todayâ„¢s Communication technology the data transmission and reception from one Place to another is easy and fast. But security is of some concern, for that we send the data by Encrypting. By the system named as Advanced Data Encryption using Microcontroller
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In our project we have two sections, one is transmitter another one
Receiver, in transmitting section we have AT89C51 Micr ....etc

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Abstract—Wireless Mesh Network (WMN) has become an important edge network to provide Internet access to remote areas and wireless connections in a metropolitan scale. In this paper, we study the problem of identifying the maximum available bandwidth path, a fundamental issue in supporting quality-of-service in WMNs. Due to interference among links, bandwidth, a well-known bottleneck metric in wired networks, is neither concave nor additive in wireless networks. We propose a new path weight which captures the available path bandwidth informati ....etc

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i want ppt of differnce between optical &electrical bandwidth.
....etc

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FEBA: A Bandwidth Allocation Algorithm for Service Differentiation in IEEE 802.16 Mesh Networks
Cicconetti, C. Akyildiz, I. F. Lenzini, L.
This paper appears in: Networking, IEEE/ACM Transactions on Publication
Abstract
In wireless mesh networks, the end-to-end throughput of traffic flows depends on the path length, i.e., the higher the number of hops, the lower becomes the throughput. In this paper, a fair end-to-end bandwidth allocation (FEBA) algorithm is introduced to solve this problem. FEBA is implemented at the medium ac ....etc

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hai this is manivannan please send full document and ppt ....etc

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Selective Encryption of Still Image
Abstract: In some applications, it is relevant to hide the content of a message when it enters an insecure channel. The accepted view among professional cryptographers is that the encryption algorithm should be published, whereas the key must be kept secret. In the field of image cryptography, the focus has been put on steganography and in particular on watermarking during the last years. Watermarking, as opposed to steganography has the additional requirement of robustness against possible image transform ....etc

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