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Method for regulating power of mixed automatic box transmission request system

A hybrid automatic retransmission and power technology, applied in the field of communication, can solve the problems of not considering the gain, power waste, and reducing the average transmission power of the system, so as to achieve the effect of reducing the average transmission power, taking into account the gain, and improving the capacity

Inactive Publication Date: 2006-05-24
HUAWEI TECH CO LTD
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Problems solved by technology

[0016] The purpose of the present invention is to provide a method for adjusting the power of the hybrid automatic repeat request system, to overcome the disadvantage of not considering the possible gain of HARQ retransmission in the prior art, resulting in power waste, and to make full use of the power control process and HARQ Soft-merge their respective utility to reduce the average transmit power of the system

Method used

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  • Method for regulating power of mixed automatic box transmission request system
  • Method for regulating power of mixed automatic box transmission request system
  • Method for regulating power of mixed automatic box transmission request system

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Embodiment Construction

[0047] The core of the present invention is that in the HARQ system, the sender counts the number of retransmissions of the data blocks that have been transmitted. The set power is used to retransmit the data block. Considering the gain brought by soft combining, the original set power can also be reduced for retransmission, so that the initial transmission block and the retransmission block change year-on-year, that is, the power of the retransmission block is maintained. Features lower than initial block. . And adjust the transmission signal power of the next new data block according to the retransmission times. If the number of retransmissions of the currently transmitted data block is less than a predetermined minimum threshold, reduce the transmission power of the next data block (including its initial transmission and possible retransmission); if the currently transmitted data block When the number of retransmissions is greater than a certain predetermined maximum thre...

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Abstract

The method includes procedures: the sending end obtains retransmission number of time; determining whether resending the data block is needed; if yes, sending the data block by using the prearranged power. The invention raises efficiency of system transmission power, lowers averaging transmission power of system as well as raises capacitance of system effectively.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for adjusting the power of a hybrid automatic repeat request system. Background technique [0002] The CDMA system is a self-interference system. All mobile users occupy the same bandwidth and frequency. The transmission power of the mobile station is interference to other users talking in the cell. The problem of "near-far effect" is particularly prominent. The so-called near-far effect means that when mobile phones with different distances from the base station are used together, the high-power useless signal that is closer to the base station will suppress the low-power useful signal that is farther from the base station. For this reason, it is necessary to keep the transmission power of each mobile station at the lowest level that meets the communication requirements as much as possible, and ensure that no matter how far they are from the base station or how t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
Inventor 马莎江长国武雨春冯淑兰刘华斌
Owner HUAWEI TECH CO LTD
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