LTE(LongTermEvolution)详解.pptVIP

Mobile Evolution Wi-Fi Wi-Fi setup requires at least one Access Point (ap) and one or more client (hi). AP every 100ms the SSID (Service Set Identifier) ??via beacons (signal station) broadcast packets once beacons packet transmission rate is 1 Mbit / s, and the length is quite short, so little impact on the performance of the network broadcast the action. Because Wi-Fi specified minimum transfer rate is 1 Mbit / s, so make sure all the Wi-Fi client end can receive the SSID broadcast packet, client can decide whether you want to take this one SSID and the AP connection. Users can set where you want to connect an SSID. Wi-Fi system is always connected to the client open standards and supports roaming, which is Wi-Fi benefits. It also means that there is a wireless adapter card may be better than others in performance. Since Wi-Fi signals transmitted through the air, and therefore non-switched Ethernet have the same characteristics. The past two years, the emergence of a new program of WIFI over cable. This program belongs to EOC (ethernet over cable) in one technology. Down through the 2.4G wifi radio frequency transmission cable in the rear. Wimax Worldwide Interoperability for Microwave Access – should be capable of around 40 megabits per second with a range of 30 miles.? It is one of the closest technologies to meet the standards of true 4G and as it develop should surpass the 100MB/second which is the 4G standard. Mobile WiMAX allows the use of high speed data transfers and is the main competition for the 4G LTE services provided by cellular carriers.?? The major wireless networks like Verizon, Sprint, ATT and T-Mobile are not actually lying to anyone about 4G, they simply stretch the truth a bit.? A 4G phone has to comply with the standards but finding the network resources to fulfill the true standard is difficult.? You are buying 4G capable devices but the network is not yet capable of delivering true 4G to the device.? Your brain knows that 4G is faster tha