Wireless Communications Research Trends

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Wireless Communications Research Trends

Wireless Communications Research Trends written by Tong S. Lee and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Wireless communication systems categories.

Signal Processing Advances In Wireless And Mobile Communications Trends In Channel Estimation And Equalization

Signal Processing Advances In Wireless And Mobile Communications Trends In Channel Estimation And Equalization written by Georgios B. Giannakis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Technology & Engineering categories.

This is volume 1 of a 2 volume set. This volume focuses on "channel estimation and equalization."

Journal Of The Communications Research Laboratory

Journal Of The Communications Research Laboratory written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Artificial satellites in telecommunication categories.

The 14th Ieee 2003 International Symposium On Personal Indoor And Mobile Radio Communications

The 14th Ieee 2003 International Symposium On Personal Indoor And Mobile Radio Communications written by Ke Gong and has been published by I E E E this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.

Performance Evaluation Of Idma Scheme In Wireless Communication

Performance Evaluation Of Idma Scheme In Wireless Communication written by Manoj Shukla and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-14 with Computers categories.

Doctoral Thesis / Dissertation from the year 2011 in the subject Computer Science - Internet, New Technologies, grade: 10.00, , course: Ph.D., language: English, abstract: As per recommendations of International Mobile Telecommunications-2000 (IMT-2000), the future wireless communication is bound to occupy the features including high-speed data and broadband transmission, high capacity to support a huge number of simultaneous users, global mobility, high security, and scalable quality of service (QoS) along with low cost for both operators and subscribers. The above features are imposing technical challenges on system design and stimulating various research topics on capacity, complexity and performance. In order to increase the capacity of wireless networks, various multiple access schemes have been reported in the literature. The credit of most competent multiple access scheme in 2G systems goes to CDMA scheme which offers an even better bandwidth-efficiency than TDMA and FDMA schemes, however, its implementation is quite difficult due to involvement of rather complex technologies including complex power-control, and multiuser detection techniques etc. The requirement of alternate mechanism for user separation has been solved by Interleave-Division Multiple-Access (IDMA) scheme, in which, most of above stated problems do not exist due to application of user-specific interleavers having low cross-correlation amongst them. The interleaved data resulted from user-specific interleavers, demonstrates better orthogonality amongst each other in the channel. The condition of orthogonality is maintained for reducing the risk of collision amongst the interleavers during communication process. In IDMA scheme, orthogonal interleavers are employed as the only means for user separation and, hence, are referred as the heart of the scheme. The selection of interleaver along with optimum design methodology for proposed tree based interleaving (TBI) mechanism for IDMA scheme fulfilling the requirement of orthogonality and easy implementation. In the beginning of work, the mechanism of interleaving with necessary conditions is presented. Later, the performance and analysis of proposed TBI mechanism with IDMA scheme has been presented. Apart from the bit error rate (BER) performance analysis, the interleavers have also been analyzed on the basis of memory requirement and computational complexity at transmitter and receiver ends. Here, The performance evaluation of IDMA scheme with proposed tree based interleaving (TBI) mechanism, in uncoded and coded environments, has been duly investigated along with its implementation.

Performance Analysis Of Wireless Networks

Performance Analysis Of Wireless Networks written by Renato Mariz de Moraes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

In this thesis, we investigate the performance of wireless ad hoc networks. First, we propose a multi-copy relaying scheme for packets in mobile ad hoc networks (MANETs), which reduces the delivery delay without changing the throughput order. We also present a method for computing the interference caused from other nodes. Second, we study the trade-off among mobility, capacity, and delay for wireless ad hoc networks. By considering nodes that are subject to restrained movements, we found that mobility is an entity that can be exchanged with capacity and delay. Furthermore, the throughput-delay trade-off is investigated for nodes employing directional antennas and the results are compared with previous work. Third, we propose a new communication scheme based on collaboration among nodes where the transmission (exchange) of packets is concurrently possible by employing a many-to-many communication framework. We present the principles of operation for such a technique, followed by two practical examples of implementation using FDMA/CDMA, and FDMA/MIMO systems. Shannon capacity, throughput and delay are computed and compared with related works.

Ieee International Conference On Personal Wireless Communications

Ieee International Conference On Personal Wireless Communications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Mobile communication systems categories.

Proceedings Of The Acm International Workshop On Performance Evaluation Of Wireless Ad Hoc Sensor And Ubiquitous Networks

Proceedings Of The Acm International Workshop On Performance Evaluation Of Wireless Ad Hoc Sensor And Ubiquitous Networks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Mobile computing categories.

Journal Of The National Institute Of Information And Communications Technology

Journal Of The National Institute Of Information And Communications Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Electronic journals categories.

Handbook Of Research On User Interface Design And Evaluation For Mobile Technology

Handbook Of Research On User Interface Design And Evaluation For Mobile Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Human-computer interaction categories.

"This book provides students, researchers, educators, and practitioners with a compendium of research on the key issues surrounding the design and evaluation of mobile user interfaces, such as the physical environment and social context in which a device is being used and the impact of multitasking behavior typically exhibited by mobile-device users"--Provided by publisher.