Power control method in multi-carrier frequency time division multiplex code division multiple access system

A technology of code division multiple access and time division multiplexing, which is applied in the transmission system, communication between multiple stations, power management, etc., can solve the problem of fast bandwidth fading of high-speed mobile users, and achieve good tracking of fast fading Effect
CN101197598BActive Publication Date: 2015-06-03ZTE CORP
4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
ZTE CORP
Publication Date
2015-06-03

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a power control method in multi-carrier time division multiplexing code frequency division multiple access system, which can configure at least two carriers to at least one time slot signal with different transferring directions. The invention comprises the following steps: time slot transferring points of at least two carrier frequencies are configured in a staggering manner, one testing result of at least two carrier frequencies is sent to the opposite terminal from the other carrier frequency. Therefore, when the cell is configured with the multi-carriers, the quick close power control can be achieved on the time slot, so that the close power control time delay can be shortened, the fast fading can be tracked and the signal quality can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to a method for fast power control in a multi-carrier frequency time division multiplexing code division multiple access (TD-SCDMA) system in the third generation mobile communication, more specifically, relates to a multi-carrier frequency cell and a method for fast power control of a multi-carrier frequency mobile phone system. Background technique

[0002] TD-SCDMA is an interference-limited system. On the same frequency, the system has many user equipments (UEs) to send and receive signals. In order to reduce interference when sending and receiving signals, the transmit power must be controlled. In addition, in order to combat the signal fading in the wireless transmission environment, power control must be carried out, especially in the environment where the signal fading changes rapidly faced by fast-moving users, power control is even more necessary. The main power control method of TD-SCDMA is closed-loop power c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More