The first practical examples of mobile communications were used in many countries like
the USA, the UK and Germany in military services, and played a significant role in the
First World War to transfer important information from the front to headquarters to take
further actions. Good and secure wireless communications were an important need for all
military services – army, navy and air force. In this respect, the Second World War was a big
experimental battlefield for the development and evolution of mobile radio. It was in the
interests of governments that after the Second World War the military investment should
be paid back by civilian use, and all western European countries started their so-called first
generation of mobile communication networks.
资源简介：The first practical examples of mobile communications were used in many countries like the USA, the UK and Germany in military services, and played a significant role in the First World War to transfer important information from the front t...
上传时间： 2020-06-01
上传用户：shancjb
资源简介：3G Mobile Open Wide Door For E-commerce The 3G mobile Internet business in 3G era will obtain rapid development, but it still cannot become the ma in 3G era. In the age of 3G speech business, but is still a subject of value-added busines...
上传时间： 2017-03-23
上传用户：zjf3110
资源简介：Mobile multimedia communication is increasingly in demand because of the basic need to communi- cate at any time, anywhere, using any technology. In addition, to voice communication, people have a desire to access a range of other services ...
上传时间： 2020-05-30
上传用户：shancjb
资源简介：This document presents an overview of the technology and business landscape, the applications, advantages and benefits of MPEG-4 - The Media Standard.
上传时间： 2013-12-04
上传用户：dianxin61
资源简介：This book is about the management of business processes. This is certainly not a new topic. Since the beginning of the Industrial Revolution, it has been written about from every possible point of view—economic, sociological, psychologi...
上传时间： 2013-11-29
上传用户：shus521
资源简介：Under the labor sentiment monitor system has several parts of compositions: The mobile termination software and hardware development, the central server software development as well as opens video frequency the prompt reflection. The labor ...
上传时间： 2014-11-29
上传用户：aig85
资源简介：Wiley - The Mobile Radio Propagation Channel - Second Edition
上传时间： 2014-01-17
上传用户：zwei41
资源简介：the mobile radio propagation channel ——关于信道的英文书籍，很经典。
上传时间： 2016-12-11
上传用户：417313137
资源简介：RFID for the Optimization of Business Processes
上传时间： 2013-12-05
上传用户：lx9076
资源简介：CMMB是英文China Mobile Multimedia Broadcasting （中国移动数字多媒体广播）的简称。国家广电总局于06年10月颁布了中国移动多媒体广播行业标准，确定采用我国自主研发的移动电视接收标准STiMi，该标准将从06年11月1日起实施。它是国内自主研发的第一套面向...
上传时间： 2014-12-02
上传用户：kiklkook
