Push away and talk (PTT) ,It is a instantaneous news report method that is usually using a button to put through a apparatus to express employing while receiving the wireless movement telephone service of the transmission means of the way from the sound. Similar to the operation of telephone that this kind of method uses ” The walkie-talkie ” Use. PTT changes a telephone from t... Read more
Multimedia house platform (MHP) The video that it is the figure is broadcast (DVB) The standard plan combines the digital TV (DTV) Because of Internet and WWW. The result will be in stock to consumers and the business and interactive, will make the TV of the high definition in the communication network of many purposes.
MHP, when totally realize, pass the telegram, the fiber of on... Read more
Regulation and control exists to refer to and stand and expand any technology that exist, find and appraise a connection network of other users of ability of a network user of any other users’ calculation apparatus. It may be difficult to be coordinated with the specific end user with the operating system of the difference of the big network in the server that technology exists.
An i... Read more
1. A special network is a LAN (LAN) When the apparatus is linked, that is built spontaneously. The ones that do not rely on a basic station to coordinate to each nodal news in the network flow, the specific network node travels to and fro between and deposits parcels each other. In the li Latin language, specially shine the original text ” To this, ” Meaning ” Special-p... Read more
Multipoint after-sale service (MMDS) of many passways It is in the ultra-high frequency (UHF) The respect, the parts of the broadcast offered and radio range between 2.1 and 2.7 GHz of communication service. MMDS is known as the radiotelegram too. (TV) Considered to be the substitute of a kind of traditional cable TV . However, it has application in the telephone / the fax and data commun... Read more
Range efficiency is the use for the range or bandwidth as complete as possible, can be conveyed in order to most large datum of quantity by the conveyance error at least. In the telephone network of a cell, range efficiency, to keeping the acceptable service quality (QoS) When equal to . ... Read more
In addition saw the specialized radio (ESMR) moved improved .
Specialized radio (SMR) moved It make any pairs of way radio system is at respect those twoes or it move even more /transmitters wirelesses portable because repeater links single. The repeater is improved the average topography on the upper side; This makes the area of the coverage maximize. The operating frequency is in VH... Read more
In addition see frequency divide and entering (FDMA) more And time is entered (TDMA) more .
The space is divided and entered (SDMA) more Optimize and use the radio range and make the systematic expenses reduce to a minimum satellite communication way through utilizing directional performance of a plate of aerials. Known as SDM (space is divided and compounded) too in SDMA ,The satell... Read more
Making up the union has management (feet per minute) ,Let the unified existence managed too, no matter this kind of brand or platform of the apparatus, it is a technology of the different fields of connection with other users of allowing apparatus users to control them. Can take the personal computer to manage while making up the existence of the union, the portable cellular telephone, in IP (V... Read more
UMTS (the general telecommunication system moved) So-called ” The 3rd generation of (3 G) ,” Broadband, wrap up -On the basis of the transport of the text, enable the sound, video, it is per second (Mbps) to get with the multimedia in the transmission speed of the data and compare High digitization of 2 million bits, no matter where they are found in the world that provide a set o... Read more