Monday, April 5, 2010

signal quality

This phase is responsible for measurements of signal quality or state of wireless links based on wireless transmission methods, but also may include a number of system parameters, and hereby dicide the need to determine the trigger handoff.2, Decision Phase: this phase is to select access technology and network on the basis of data collected on the Cell.3, Execution custom made prom dresses Phase: this phase is construct new connection and cut the old connection, and the changing must the same to the selected line in second phase.Handoff trigger parameters are: the absolute signal intensity, with an absolute signal strength threshold, the relative signal strength with threshold, such as the relative signal strength. Performance indicators have to handoff: handoff the ratio of non-essential, the number of attempts to handoff to expect the number of handoff, handoff delay and so on. On the sell discount wedding dresses basis of the above working principle of MIPv6 and use of the above parameters, we can do the handoff between CDMA and WLAN.With the rapid development of 802.11 wireless plus size wedding dresses technology, many wireless access points based on the (Access Point, AP) wireless LAN are widely used. AP allocate on a large density range required a highly efficient and reliable mechanism to blog new shirts 2010 enable the mobile terminal from a number of AP in the implementation of the dynamic cheap evening dresses handoff. In the WLAN network, each AP is AP coverage for the center of a circle, a radius of 100 meters round, but also with the surrounding environment in order to select a wireless service can provide a higher quality of AP. When car moved AP has about three possible causes to handoff: 1.The new AP can provide higher quality services in the framework mobile terminal has accepted;2.Mobile terminal leave the custom made prom dresses original coverage; 3.In order to achieve the load balancing between the number of AP. Therefore, the project also includes handoff of WLAN at different levels of the AP.The cheap shoes blog 2010 and WLAN handoff technology research based on IPv6 under linux fills the gaps in China on the basis of experimental network communication.
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