R&D on wireless broadband communication systems: new generation ubiquitous mobile network

2007 ◽  
Author(s):  
Hiroyo Ogawa
2021 ◽  
Vol 13 (12) ◽  
pp. 321
Author(s):  
Dmitry Baranov ◽  
Alexandr Terekhin ◽  
Dmitry Bragin ◽  
Anton Konev

The determining factor in the accelerated pace of informatization is the increase in the speed and reliability of data transmission networks. In this regard, new and existing standards are developed and modernized. A lot of organizations are constantly working on the development and implementation of new generation communication networks. This article provides an overview of available software solutions that allow us to investigate and evaluate the behavior of data networks. In particular, tools suitable for mobile communication systems were determined, having sufficient built-in functionality and allowing us to add our own implementations. NS3 has been chosen as a suitable network simulator. Apart from the review, a solution for this tool was developed. It allows estimating the reliability of data transmission from the start movement of a network node at all times during its removal from a base station.


2012 ◽  
Vol 241-244 ◽  
pp. 2275-2278
Author(s):  
Zuo Xue Liu ◽  
Jian Mei Dai ◽  
Bo Liu

A Wireless Broadband Communication System has been made up based on OFDMA and AMC technologies. The system structure and working pattern is introduced, the OFDMA allocation model, the MIMO and AMC scheme are present, and the parameter such as transmitting power, receiver sensitivity, transmitting antenna gain and receiving antenna gain are designed. The system enables high quality wireless broadband communication. As a supplement with wired communication systems, the system could fulfill the requirement of recovery local communication rapidly when some accidents take place.


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