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Emerging demands for high data rate services and high spectral efficiency are the key driving forces for the con-tinued technology evolution in wireless communications. Third generation (3G) mobile communication systems have already been commercially deployed in certain parts of the world to meet the...
The rapid expansion of the field of wireless personal communication services is described, focusing on statistics showing demands and on recent events on the industry. Some propagation research results that should have an impact on the design and implementation of future cellular and personal communicati...
MEDICAL communicationIntegral and crucial to performance of wireless sensor networks (WSNs), and specifically industrial wireless sensor network (IWSN) is stable, robust, reliable, and ubiquitous communications system. Though, wired communications system is suitable for industrial communications and is ...
In wireless sensor networks (WSN), the size of the sensor nodes is large when compared to WBAN. The node density of WSN is 256; in contrast, WBAN has nodes less than 64. The communication range of WSN is between 10 and 100 m, whereas in WBAN it is 2 m and 5 m. The data rate...
If we intend to use such systems in a mobile environment, we can only afford to spend approximately 110 pW/b for the end-to-end communication. This includes RF-transmission and all processing and protocol steps. The SPP1655 of the DFG was set up to investigate new paradigms for achieving ...
Providing reliable broadband wireless communications in high mobility environments, such as high-speed railway systems, remains one of the main challenges faced by the development of the next generation wireless systems. This paper provides a systematic review of high mobility communications. We first su...
Wi-Fi is a known-well family of wireless communication technologies based on the IEEE 802.11 family of standards. It is commonly used for local area networks of devices and Internet access within 100 (m). It operates in the 2.4-5 GHz frequency band. Wi-Fi is suitable for short-range ...
feature of peer-to-peer communication from one wireless client to another wireless client in Fi-Wi network, which has become a focus point in IEEE 802.11 s standard for WMNs [1]. When peer-to-peer communication is used in Fi-Wi network, network throughput can be increased by increasing...
Third, optical communication payloads need to be produced at scale to support a gigantic satellite Internet. Fourth, optical communication payloads need to evolve to consume less power and become lighter. Fifth, network management and security assurance are needed for constellations made up of thou...