Tutorial: Wireless Communication Protocol

Presumably, mobile phones are no longer familiar to everyone. Its biggest feature is mobile and wireless. So do you know the protocol principle? This article will introduce you in detail the wireless communication protocol, that is, the meaning and related content of WAP.

WAP Wireless Communication Protocol) is a global open standard for communications between digital mobile phones, the Internet, and Other Personal Digital Assistant PDA), computer applications, and even future information appliances. The birth of this standard is the result of the efforts of the wireless communication protocol WAP Forum members. The wireless communication protocol WAP) Forum was held in June 1997 by Nokia, Ericsson, Motorola and the wireless planet UnwiredPlanet).

Through the wireless communication protocol WAP) technology, we can introduce a large amount of Internet information and a variety of services to wireless terminals such as mobile phones and PALM. No matter where or when you need information, you can open your wireless communication protocol WAP) mobile phone and enjoy endless online information or resources.

Wireless communication protocol WAP) can run on various wireless networks, such as GSM, GPRS, and CDMA. WML is short for WirelessMakeuplanguage. Mobile phones that support wireless communication protocol WAP can browse Internet content described by WML.

WML is an XML-based markup language used in languages that regulate the display of content and user interfaces for narrow-frequency devices, such as mobile phones and receivers. Due to the narrow frequency, WML is partially restricted, such as smaller monitors, limited user input devices, online narrow frequency networks, limited memory and resources.

WML supports text and image display. In the content organization, a page is a Card, and a group of cards constitute a Deck. After a user requests a browser from the server, WML sends the entire Deck to the client browser, and the user can view all the Card content in the Deck, instead of downloading each Card from the network.

Through the wireless communication protocol WAP) technology, we can introduce a large amount of Internet information and a variety of services to wireless terminals such as mobile phones and PALM. Whenever and wherever you need information, enable the wireless communication protocol WAP), you can enjoy endless online information or resources. Such as comprehensive news, weather forecasts, stock market dynamics, business reports, and current exchange rates. E-commerce and online banking will also be implemented one by one. Through the wireless communication protocol WAP) mobile phone users can also obtain sports competition results and entertainment news anytime and anywhere to add fun to their lives. They can also use the online booking function to arrange their daily lives in an orderly manner.

Wireless communication protocol WAP) protocols include the following:

1. WirelessApplicationEnvironmentWAE)

2. WirelessSessionLayerWSL)

3. WirelessTransactionLayerWTP)

4. WirelessTransportLayerSecurityWTLS)

5. WirelessTransportLayerWDP)

The WAE layer contains micro-browsers, WML, and WMLSCRIPT interpreters. The WTLS layer provides basic security functions for wireless e-commerce and encrypted data transmission.

Wireless communication protocol WAP) A very important guiding ideology of the Forum is to make wireless communication protocol WAP) as much as possible to be consistent with existing standards, to maximize protection of investment by manufacturers and application developers. To a large extent, the existing WWW programming model is used. application developers can continue to use their familiar programming models and use existing tools such as Web servers and XML tools. In addition, the wireless communication protocol WAP programming model is optimized and extended based on the communication characteristics of the wireless environment.

In terms of bandwidth, the wireless communication protocol WAP uses the "lightweight protocol stack" to optimize the current protocol-layer dialog to minimize the bandwidth demand for wireless mobile phone access to the Internet, ensure that the existing wireless network can comply with the wireless communication protocol WAP) specification. Mobile phones use wireless communication protocol WAP) protocol stack can save a lot of wireless bandwidth for wireless networks, for example, to complete a stock index query operation, if you use HTTP1.0's desktop browser to complete more than twice the packet traffic involved, you can use a wireless communication protocol WAP browser. Wireless communication protocol WAP) the number of packets used by the Protocol is less than half that of the standard HTTP/TCP/IP protocol stack.

Currently, the wireless communication protocol WAP is not mature enough in many aspects, but it is enough to open a new communication field and provide enough technical standards for wireless networks, make the Internet truly ubiquitous.

Wireless communication protocol WAP) currently mainly uses two versions: 1.2 and 2.0. The latter is the trend. Low-end mobile phones can only browse version 1.2. Currently, mainstream mobile phones support version 2.0. with version 2.0, the content browsed by a mobile phone is more vivid. It can also have background music and background pictures like a computer station to make the original monotonous mobile phone webpage colorful.