Implementation and Experimental Study of Rate Adaptation Algorithms in IEEE 802.11 Wireless Networks - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Implementation and Experimental Study of Rate Adaptation Algorithms in IEEE 802.11 Wireless Networks write by Prateek Gangwal. This book was released on 2009. Implementation and Experimental Study of Rate Adaptation Algorithms in IEEE 802.11 Wireless Networks available in PDF, EPUB and Kindle.
Design and Experimentation of Rate Adaptation for IEEE 802.11n WLANs
Design and Experimentation of Rate Adaptation for IEEE 802.11n WLANs - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Design and Experimentation of Rate Adaptation for IEEE 802.11n WLANs write by Arafet Ben Makhlouf. This book was released on 2013. Design and Experimentation of Rate Adaptation for IEEE 802.11n WLANs available in PDF, EPUB and Kindle. Wireless Local Area Networks (WLANs) have become increasingly popular due to the recent availability of affordable devices providing multiple and high rate capabilities. Optimizing the performance of WLANs for emerging new Internet applications that demand High Throughput (HT) is an important and a highly challenging issue. In this book, we present a new practical Rate Adaptation (RA) algorithm, termed L3S, which extends legacy schemes with new MIMO features suitable for the forthcoming 802.11n high-speed MIMO-based WLAN products. We implement our rate adaptation algorithm in real hardware devices and evaluate its performance and compare it to the existing rate control mechanisms. Our experiments demonstrate that our scheme allows the current 802.11n devices to have a greater adaptability to a variety of wireless channel conditions and performs better than state-of-the-art rate adaptation algorithms.
A Signal Integrity Based Rate Adaption Algorithum
A Signal Integrity Based Rate Adaption Algorithum - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook A Signal Integrity Based Rate Adaption Algorithum write by Mohankumar Seerangarajan. This book was released on 2013. A Signal Integrity Based Rate Adaption Algorithum available in PDF, EPUB and Kindle. Wireless systems have gained momentum in recent years due to ease, universality and cost reduction. In a wireless network the signal degradation is time variant based on environmental factors. As variations in signal quality and interference from external sources affect the network, it is necessary and important to adapt the rate to the channel conditions via a rate adaptation algorithm driven by changes in the signal quality. This research addresses signal integrity in a local area network and proposes a rate adaptation algorithm for 802.11 wireless networks based on signal quality and packet error rate. The relationship between signal strength and packet error rate is analyzed and a new rate adaptation algorithm for 802.11n is presented. The algorithm developed in this thesis effectively adapts the rate to minimize packet error rate while it maximizes throughput. Through experiments, it has been shown that the proposed algorithm achieves better throughput compared to state of the technology rate adaptation algorithms currently implemented in commercial 802.11n systems.
Experimental Performance Evaluation of Bit-rate Selection Algorithms in Multi-vehicular Networks
Experimental Performance Evaluation of Bit-rate Selection Algorithms in Multi-vehicular Networks - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Experimental Performance Evaluation of Bit-rate Selection Algorithms in Multi-vehicular Networks write by Giyeong Son. This book was released on 2011. Experimental Performance Evaluation of Bit-rate Selection Algorithms in Multi-vehicular Networks available in PDF, EPUB and Kindle. IEEE 802.11 PHY supports multiple transmission rates according to multiple different modulations and coding schemes. Each WiFi station selects its own transmission rate according to its own algorithm; in particular, the IEEE 802.11 standards do not specify the bit-rate selection method. Although many adaptive bit-rate selection algorithms have been proposed, there is limited research and evaluation on the performance of such algorithms for roadside networks, especially in cases with multi-vehicle roadside multi-vehicular WiFi networks. In this thesis we propose an opportunistic highest bit-rate algorithm, Opportunistic Highest Bit-Rate Multi-Vehicular WiFi Networks (OHBR-MVN), specifically for roadside multi-vehicular WiFi networks. Our proposal is based on three key characteristics of such networks: (1) vehicles will drive closer to, and eventually pass, the roadside WiFi station, experiencing a progressively better transmission environment; (2) the vast majority of data transmitted in single-vehicle drive-by downloading scenarios occurs at the maximum transmission rate; (3) vehicles that transmit at less than the maximum rate do so at the expense of those that could send more data at a higher transmission rate. We therefore believe that transmitting only at the highest possible bit-rate is the preferred algorithm for such networks. Further, this approach keeps the bit-rate selection extremely simple, avoiding the complexity and resulting problems of adaptive approaches. Through a series of experiments that compare the throughput of both fixed and adaptive bit-rate selection algorithms we show that our approach yields both higher throughput and better fairness characteristics, while being significantly simple, and thus more robust.
Handbook of Algorithms for Wireless Networking and Mobile Computing
Handbook of Algorithms for Wireless Networking and Mobile Computing - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Handbook of Algorithms for Wireless Networking and Mobile Computing write by Azzedine Boukerche. This book was released on 2005-11-28. Handbook of Algorithms for Wireless Networking and Mobile Computing available in PDF, EPUB and Kindle. The Handbook of Algorithms for Wireless Networking and Mobile Computing focuses on several aspects of mobile computing, particularly algorithmic methods and distributed computing with mobile communications capability. It provides the topics that are crucial for building the foundation for the design and construction of future generations of mobile and wireless networks, including cellular, wireless ad hoc, sensor, and ubiquitous networks. Following an analysis of fundamental algorithms and protocols, the book offers a basic overview of wireless technologies and networks. Other topics include issues related to mobility, aspects of QoS provisioning in wireless networks, future applications, and much more.
