| Abstract: | 全球行動通訊技術發展神速，無線網路，結合電信網路，隨著智慧型手機普及率，更將數位電視服務之便利性推廣於每一位使用者，無線電視傳播比纜線服務的有線電視更受歡迎。AT&T是美國電信公司，世界無線通訊營運商，擁有國際開發寬頻，無線網路，雲端服務，提供網路電視服務。DIRECTV為美國加州衛星直播服務，發送數位衛星電視及音效到美國各地。透過併購一案，AT&T擴及衛星電視節目營運，進而成為全球領先的數位電視娛樂服務供應商。
Direct satellite TV service has spread leading global communications. It is widely used in improving the quality of human life through the centuries satellite launch, satellite applications. The communications satellite and daily life was more closely. For example: the like television, telephone and internet services, and communications satellites are closely related. The microwave signal via satellite ground station transmitted long-distance transmission, the user re-use a directional antenna to receive signals after decoded by the decoder, the signal output to a TV, the most common way of broadcasting signals, widely used in terrestrial television and cable is a simple life and close leisure activities.
Cable modem is a two-way CATV coaxial cable to provide Internet-related applications and services, to provide TV channels bandwidth, can also provide high-speed internet equipment efficiency data services, is currently the most stable cum fast for internet service.
Since the eighteenth century, the rapid development of global mobile communications technology, Wi-Fi (Wireless network) like a radio computer network, combined with the telecommunications network, without connecting a cable or a cable modem, to be applied in the use of remote electromagnetic waves information transmission system, further treatment WiFi, WiMAX and DVB-H digital TV use, with smartphone penetration, but will promote the convenience of digital television services to every user, whether wireless TV broadcasting in the future than cable television service more popular, this issue is worth deep discussion.
AT & T is the world''s oldest communications company, the wireless operator and the largest fixed-line telephone company, an international developer wireless networks, cloud services, provide Internet TV services.
DIRECTV satellite TV service in California, send digital television and audio to the United States. AT & T and DIRECTV through the merger, expansion and operation of satellite television programs, and thus become the world''s leading supplier of digital television entertainment services. Both family business in April 2015 mergers, acquisitions through the communications industry and television industry''s working explore, view opportunities brought about by the financial and social expectations. |
