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Intercarrier power distribution method and system in a same power amplification

A distribution method and distribution system technology, applied in transmission systems, communication between multiple stations, advanced technologies, etc., can solve problems such as load imbalance between carriers

Active Publication Date: 2007-12-05
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main technical problem to be solved in the embodiments of the present invention is to provide a power distribution method and system between carriers in the same power amplifier, so that the problem of unbalanced load among carriers can be solved

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  • Intercarrier power distribution method and system in a same power amplification

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Embodiment Construction

[0021] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0022] The first embodiment of the present invention relates to a power allocation method between carriers in the same power amplifier. In this embodiment, the power amplifier carries at least two carriers in the same sector. If the load of the first carrier is within the first predetermined time period are less than the first threshold, then reduce the maximum power of the first carrier, increase the maximum power of at least one other carrier in the same sector carried by the power amplifier, and the sum of the maximum power of each carrier in the same sector carried by the power amplifier remains No change, that is, the power of the carrier with the smaller load is lent to the carrier with the larger load. If the load of the first car...

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Abstract

The invention relates to the wireless communication field, disclosing a method and system of power distribuiton between carriers in the same power amplifier, solving the problem that loads between carriers are unbalanced. On the condition that a power amplifier simultaneously bears at least two carriers in the same sector, if one carrier is in low load state for long, reducing its maximum power and lending the reduced power to at least one other carrier; before lending, able to judge whether loads of other carriers are in over load state, lending the reduced power to other carriers in over load state; if the first carrier is in heavy load state for long after lending, taking back the lent power.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to the power distribution technology among carriers in the same power amplifier. Background technique [0002] Wideband Code Division Multiple Access (WCDMA for short) is one of the three major third generation mobile communication (The Third Generation, "3G" for short) systems in the world at present. WCDMA inherits the characteristics of high standardization and good openness of the second-generation mobile communication system Global System for Mobile communication ("GSM"). It can be said that WCDMA is wireless broadband communication. [0003] For a WCDMA system, power has a greater impact on the downlink capacity of the system. Under certain conditions, increasing the power can obtain a larger capacity gain. [0004] With the development of communication technology, a base station in the current WCDMA system can correspond to multiple sectors, and multiple carriers can b...

Claims

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Application Information

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IPC IPC(8): H04B7/005H04B7/26H04B1/707
CPCY02B60/50Y02D30/70
Inventor 杜建成谭竹苏宁
Owner HUAWEI TECH CO LTD
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