Papr Reduction Techniques In Wireless Ofdma Networks
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Papr Reduction Techniques in Wireless Ofdma Networks
Author: Kamal Singh Rana
language: en
Publisher: LAP Lambert Academic Publishing
Release Date: 2013
In this book, some of the existing PAPR reduction techniques have been analyzed. After discussing the existing PAPR reduction techniques, two new PAPR reduction techniques have been proposed which are based on the existing schemes. The simulation results for the proposed techniques are compared with some of the existing techniques like, Partial Transmit Sequences (PTS), Selective Mapping (SLM), Iterative flipping and new SLM. Although all the existing techniques can reduce the Peak to Average Power Ratio (PAPR), the computer simulation results show that the Proposed techniques can offer better Peak to Average Power Ratio (PAPR) reduction performance. These proposed techniques have been named as Proposed Technique1 and Proposed Technique2 in this work. The results also show that the Proposed technique2 performs better than Proposed technique1 in terms of PAPR reduction when the numbers of subblocks in the OFDM transmitted signal increases. However, when the number of sub-blocks is comparatively lesser, the proposed technique1 gives better performance. The PAPR reduction performance analysis of the existing and proposed techniques is the main focus of my paper.
Security, Design, and Architecture for Broadband and Wireless Network Technologies
While wireless technologies continue to provide an array of new challenges and multi-domain applications for business processes and solutions, there still remains to be a comprehensive understanding of its various dimensions and environments. Security, Design, and Architecture for Broadband and Wireless Network Technologies provides a discussion on the latest research achievements in wireless networks and broadband technology. Highlighting new trends, applications, developments, and standards, this book is essential for next generation researchers and practitioners in the ICT field.
Resource Allocation in Uplink OFDMA Wireless Systems
Tackling problems from the least complicated to the most, Resource Allocation in Uplink OFDMA Wireless Systems provides readers with a comprehensive look at resource allocation and scheduling techniques (for both single and multi-cell deployments) in uplink OFDMA wireless networks relying on convex optimization and game theory to thoroughly analyze performance. Inside, readers will find topics and discussions on: Formulating and solving the uplink ergodic sum-rate maximization problem Proposing suboptimal algorithms that achieve a close performance to the optimal case at a considerably reduced complexity and lead to fairness when the appropriate utility is used Investigating the performance and extensions of the proposed suboptimal algorithms in a distributed base station scenario Studying distributed resource allocation where users take part in the scheduling process, and considering scenarios with and without user collaboration Formulating the sum-rate maximization problem in a multi-cell scenario, and proposing efficient centralized and distributed algorithms for intercell interference mitigation Discussing the applicability of the proposed techniques to state-of-the-art wireless technologies, LTE and WiMAX, and proposing relevant extensions Along with schematics and figures featuring simulation results, Resource Allocation in Uplink OFDMA Wireless Systems is a valuable book for?wireless communications and cellular systems professionals and students.