Scramble code replacement system and method in telecommunication network

摘要

According to an embodiment of the present invention, a second terminal, which is initially assigned a secondary scramble code from a base station, requests a base station to use a primary scramble code at a specific time point, and the base station uses a primary scramble code to make a call. When the first scramble code is returned and the primary scramble code returned from the first terminal is allocated to the second terminal, the secondary scramble code used by the second terminal can be exchanged for the primary scramble code. The present invention relates to a scramble code exchange system and a method in a communication network.;According to the present invention, the first terminal and the third terminal are assigned and used the primary scramble code from the base station, and the second terminal is assigned to the secondary scramble code, and the second terminal is sent to the base station at a specific time point. When requesting the use of the primary scramble code, the base station allocates the returned primary scramble code to the second terminal when there is a return of the primary scramble code from the first terminal using the primary scramble code, thereby making the secondary scramble code Characterized in that the second terminal using the second scramble code can be used to exchange the first scramble code.;Therefore, according to the present invention, by exchanging the same scramble code in the different scramble code between the terminals that are close to each other, it is possible to reduce the interference between the scramble code. In addition, the use of secondary scramble codes by the terminal can be minimized. In addition, as the interference between the terminals that used the primary scramble code and the secondary scramble code is reduced, communication quality of each terminal may be improved.;Scramble code, OVSF, interference, base station, terminal, code exchange, channel