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8021600000 Application Field and Working Principle

802.16e is a technology designed for wireless access in metropolitan area networks (MANs). It provides a high rate of data transmission over a large area and allows multiple users to access the same frequency band. This technology is the main building block for 4G cellular networks and is expected to be adopted by operators in the near future.

The 802.16e technology is a part of the IEEE 802.16 standard and enables wireless broadband access over larger areas, ranging from several miles up to tens of miles. The main purpose of this technology is to provide increased throughput, better coverage and improved quality of service for users. It is designed to support the high bandwidth requirements of mobile users and supports the transfer of voice, data and other applications.

The 802.16e technology is based on a time division multiple access (TDMA) scheme. It is a multi-user system where multiple users can transmit and receive data simultaneously. The system is divided into cells and each cell is allocated a portion of the spectrum dedicated to it. Each user in the cell is allocated a portion of the spectrum as well. Users can access the service at any point in time, as long as they have a valid access key.

The 802.16e technology also supports handover of connections between compatible access points, allowing users to move freely between access points in different cells without interruption of service. This allows for more efficient use of the spectrum and allows users to access services from many different locations.

While the 802.16e technology is designed to provide high-speed data services, it is also capable of providing voice services. Voice services are similar to cellular phone services but are based on the 802.16e technology. These services provide better quality of service and are generally cheaper than traditional cellular telephone services.

The 802.16e technology is becoming increasingly popular among operators who are looking to provide high-speed broadband access services. It is also being used by many organizations who are looking to provide wireless access to their customers. It provides a secure, reliable and cost effective solution for providing services over larger areas, allowing users to access applications and services from any location.

The 802.16e technology has a number of advantages and can be used in many different scenarios. It is often used as an extension to other wireless networks, offering higher throughput rates and longer range than can be achieved with traditional wireless technologies. This technology is expected to play a major role in the development of 4G cellular networks in the near future.