This book is a detailed compendium of these major advancements focusing exclusively on the emerging broadband wireless communication technologies which support broadband wireless data rate transmissions.

A practical guide to next-generation wireless terrestrial optical communication through the atmospheric channel Terrestrial Wireless Optical Communication provides in-depth details on free space optics (FSO), from basic concepts to design implementation. The book explains channel characteristics in the near-IR and IR range of the spectrum, atmospheric channel models, modulation and detection techniques, optimal performance, capacity enhancement methods, and forward-error coding schemes. Link and system design issues, reliability, and safety standards are also discussed. The information in this essential guide enables you to deliver cost-effective and transparent wireless network interoperability and expandability. Coverage includes: Introduction--optical wireless communication systems Wireless optical channels Channel modeling Modulation techniques Diversity and detection techniques in optical fading channels Channel capacity Coding in FSO channels FSO link and system design

Document from the year 2019 in the subject Computer Science - Internet, New Technologies, , course: Wireless Sensor Networks, Home Area Networks, language: English, abstract: The objectives of this research are: To propose a scheme to estimate the future interference and enable efficient channel switching mechanism to avoid interference for Wireless Sensor Network (WSN) as per the latency requirements specified by Smart Grid (SG). To propose an algorithm for efficient data recovery mechanism so that ZigBee devices can quickly familiarize with the encoding according to the highly dynamic WiFi traffic. To propose an efficient frequency shifting mechanism for different frame sizes of data under interference conditions to guarantee the reliable data transmission within the delay requirements of the SG. To propose an effective mechanism to guarantee the ZigBee communications within the maximum tolerable delay under the coexistence of WiFi for carrying out effective smart home solutions. To propose an algorithm based on effective transmission power control to increase WSN life time under coexistence scenarios for efficient monitoring and controlling purposes at smart homes. With the introduction of Information and Data-Communication Technology (ICT) to the present electrical power systems, the traditional electrical-grid system is becoming more intelligent and adaptive. The ICT successfully establishes bi-directional communication between Utility companies and the consumer for improving the generation and utilization of power. Wireless Sensor Network (WSN) is efficiently utilized by wide-ranging Smart Grid (SG) applications. Despite many advantages, WSN faces a challenge of avoiding interference experiencing from other coexisting wireless technologies working in the 2.4GHz unlicensed frequency band. Providing support for WSN in terms of avoiding interference is a very challenging issue due to the dynamic wireless communication environment and extremely limited resources. In the present thesis, the problem of interference experienced by WSN in 2.4GHz has been investigated. The challenges, limitations and requirements for avoiding the interference for WSN working in the vicinity of other technologies like WiFi and Bluetooth have been identified. As a result of the literature survey carried out, it was identified that proper channel se-lection and channel prioritization for WSNs working in the coexisting environment had not been adequately developed till then. Hence, there was a requirement for addressing these issues. The proposed schemes in this thesis are based on simulation results obtained.

Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Master's Thesis from the year 2012 in the subject Communications - Multimedia, Internet, New Technologies, grade: 9.0, , language: English, abstract: The study provides quantitative results of the performance improvements obtained by new enhancements as observed by a single mobile user with respect to handoff latency, throughput, packet delivery ratio, average jitter etc. In addition to this, the signaling load costs associated with the performance improvements provided by the enhancements has been analyzed. The handover delay reduction approaches, specifically the Fast Handover Mobile Ipv6 FHMIPv6 have been shown. The thesis concludes with the analysis of simulation results, evaluating the MIPv6, HMIPv6 and FHMIPv6 performance and finally gives some suggestions for the future work. Mobile Internet Protocol (MIP), the current International Engineering Task Force (IETF) proposal for IP mobility support, represents a key element for future all-Internet Protocol (IP) wireless networks to provide service continuity while on the move within a multi-access environment. A performance evaluation of Mobile internet protocol version 6 (IPv6) and its proposed enhancements, that is Fast Handovers for Mobile IPv6, Hierarchical Mobile IPv6 was conducted. And a combination of fast handover (FMIPv6) and hierarchical mobile IPv6 (HMIPv6) was proposed and simulated by using the network simulator NS-2. The simulation scenario comprised two access routers and one mobile node that communicated in accordance with the IEEE 802.11 wireless LAN standards.

This book presents the latest advances and technology in broadband communication systems, such as IPv6, next-generation SONET, and WiMax. The book also treats wireless data and personal communication services in separate chapters and covers cable modems, passive optical networks, network security, testing, and analysis.

3G 2004 was the premier technical forum for 3G mobile and related technologies, in it's fifth successful year. The conference brought together researchers and technologists from manufacturers, service providers, operators, application developers, regulators and standards bodies to share the latest information and promote the development of 3G services, systems and networks.

Selected, peer reviewed papers from the International Electrical Engineering Congress (iEECON 2015), March 18-20, 2015, Phuket, Thailand

Bringing together the best recent articles from the foremost IEEE publications, this book features contributions from leading communications experts, who discuss current and future developments in wireless technology. Major topics covered include wireless standards, radio channel propagation, modulations and coding issues pertinent to the physical layer, spatial and temporal signal processing, IM 2000 radio systems, new packet radio systems, and wireless ATM.