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- W1989139119 abstract "Wireless communications systems are developing from the 3G toward the beyond 3G or 4G systems aiming to support high data rate services with higher spectrum efficiency than previous systems over broadband channels with acceptable quality of service (QoS). A lot of technical innovations are initiated to satisfy the challenging requirements from the physical layer to the network layer. In this context, Asia-Pacific countries are playing significant roles in promoting the reality of the future B3G wireless mobile communications by lots of research and development (R&D) activities. Extensive mobile and wireless systems research activities are ongoing in China, Japan, and Korea and other countries in this area. This special issue aims to present the recent developments in the emerging wireless communications networks and technology, with an emphasis on research, development, deployment, application, and market issues toward B3G or 4G systems, in the Asia-Pacific countries. The high quality papers from the academia and the industry are gathered. Some advanced 4G system concepts appear in this special issue. For example, in ‘Network and Access Technologies for New Generation Mobile Communications—Overview of National R&D Project in NICT’, the seamless and secure integration of various heterogeneous wireless networks, such as 3G and B3G cellular networks, the IEEE 802.11-compliant high speed wireless access systems, advanced home networks, ITS networks, and digital broadcasting networks is introduced based on a national R&D project carried out in NICT. And in ‘3G Evolution Scenario toward 4G—Super 3G concept’ by NTT DoCoMo, the super 3G concept is introduced for the long-term evolution of 3G mobile communications systems. Some fundamental research works on the different layers of future wireless systems are also included. For example, in ‘Maximum Utility Principle Access Control for B3G Mobile System’ from BUPT, the Maximum Utility Principle Access Control for multi-antenna cellular network architectures is proposed. And in ‘Design of Spreading Codes with High Diversity Gain for Multicarrier CDMA Systems’, a criterion for evaluating the spreading codes of the MC-CDMA systems is proposed and a new full-diversity code constructed by offsetting the phase of the conventional orthogonal codes is introduced. The guest editors hope the collected papers in this special issue will partially reflect the R&D activities and technology innovations in the Asia-Pacific area." @default.
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- W1989139119 date "2007-09-13" @default.
- W1989139119 modified "2023-09-25" @default.
- W1989139119 title "Special issue on Asia-Pacific B3G R&D activities and technology innovations" @default.
- W1989139119 doi "https://doi.org/10.1002/wcm.556" @default.
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