Showing 49–60 of 139 results
Energy-Aware Cooperative Wireless Networks with Multiple Cognitive Users Abstract? -cooperative cognitive radio networks with arbitrary number of secondary users (SUs). Each SU is considered a prospective relay for the primary user (PU) besides having its own data transmission demand. We consider a multi-packet transmission framework which allows multiple SUs to transmit simultaneously thanks to dirty-paper…
Energy-balanced Unequal Layering Clustering in Underwater Acoustic Sensor Networks Abstract-Underwater acoustic sensor networks (UASNs) are used extensively in activities such as underwater data collection and water pollution detection. A UASN consists of acoustic sensors that use batteries as their power supply. Because of the complex underwater environments in which UASNs are employed, replacing these batteries…
Energy-Efficiency Optimization for MIMO-OFDM Mobile Multimedia Communication Systems With QoS Constraints Energy-Efficiency Optimization for MIMO-OFDM Mobile Multimedia Communication Systems With QoS Constraints. It is widely recognized that, in addition to the quality-of-service (QoS), energy efficiency is also a key parameter in designing and evaluating mobile multimedia communication systems, which has catalyzed great interest in recent…
Energy-Efficient Configuration of spatial and frequency Resources in MIMO_OFDMA Systems Abstract?we investigate adaptive configuration of spatial and frequency resources to maximize energy efficiency (EE) and reveal the relationship between the EE and the spectral efficiency (SE) in downlink multiple-input-multiple-output (MIMO) orthogonal frequency division multiple access (OFDMA) systems. We formulate the problem as minimizing the total…
Enhancement of LEACH Protocol Using Energy Heterogeneity Concept Abstract-Advances in wireless sensor network (WSN) technology has provided the availability of small and low-cost sensor nodes with capability of sensing various types of physical and environmental conditions. In the research area of wireless sensor networks the routing protocols is a major issue. One of the important…
Error analysis for high data rate applications using Welch?s power spectral by Cognitive Radio Users Abstract? Bit Error Rate (BER) is considered for Cognitive radio users using spectrum sensing algorithms. The proposed modified algorithm shows a substantial improvement in BER for high data rate applications of CR. The algorithms are exclusively made for Cognitive transmitters….
Error Rate Analysis of Cognitive Radio Transmissions with Imperfect Channel Sensing Abstract?This paper studies the symbol error rate performance of cognitive radio transmissions in the presence of imperfect sensing decisions. Two different transmission schemes, namely sensing-based spectrum sharing (SSS) and opportunistic spectrum access (OSA), are considered. In both schemes, secondary users first perform channel sensing,…
Event-to-Sink Spectrum-Aware Clustering in Mobile Cognitive Radio Sensor Networks Abstract?Cognitive radio sensor networks (CRSNs) are event-based systems such that sensor nodes detect events and the event readings of the sensors are collaboratively conveyed in a multi-hop manner through vacant channels from event regions to a sink. Hence, the event-to-sink communication and the dynamic radio environment…
FPGA Implementation of ANN for Reactive Routing Protocols in MANET Abstract?FPGA Implementation of ANN for Reactive Routing Protocols in MANET. This paper presents Artificial Neural Network (ANN) based Ad-hoc On-demand Distance Vector (AODV) routing protocol for Mobile Ad-Hoc Networks (MANETs). Limited bandwidth and transmission characteristic impose administrative and control information to update the dynamic change…
Generalized 3-D Constellation Design for Spatial Modulation Abstract– Spatial modulation (SM) conveys information bits by utilizing both the antenna index and complex symbols to form a 3-D constellation. Similar to 2-D modulation, the structure of 3-D constellation could greatly affect the transmission reliability. In this paper, a generalized 3-D constellation design is proposed to optimize…
Generalized Code Index Modulation Technique for High-Data-Rate Communication Systems Abstract? A generalized code index modulation (CIM) technique for direct-sequence spread spectrum (DSSS) communication. In particular, at the transmitter, the bit stream is divided into blocks in which each block is divided into two subblocks: mapped and modulated subblocks. < final year projects > [numbers_sections number=”1″…
Hadamard-Coded Modulation for Visible Light Communications Abstract? Visible light communication (VLC) systems using the indoor lighting system to also provide downlink communications require high-average optical powers to satisfy the illumination needs. < final year projects > [numbers_sections number=”1″ title=”Including =Packages=” last=”no” ] Complete Source Code Complete Documentation Complete Presentation Slides Flow Diagram Database File Screenshots…
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