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Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop

A wireless communication system and transceiver technology, applied in the field of cellular phones, can solve the problems of reducing available capacity, interference power control loop, CDMA system power competition, etc., and achieve the effect of low power consumption

Inactive Publication Date: 2007-10-17
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the power control loop will be forced to increase transmit power unnecessarily, which will cause power contention in CDMA systems, thereby reducing the available capacity
Therefore, the adjustment of the power used in the receiver may interfere with the power control loop

Method used

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  • Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop
  • Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop
  • Method and apparatus for reducing power consumption in transceivers in wireless communications systems having a power control loop

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Embodiment Construction

[0019] Referring now to FIG. 1 , a receiver system 100 according to the present invention is shown comprising a radio receiver 10 for receiving signals received by an antenna and then bandpass filtered. Order. The tuning command is determined from measurements, specifically, from the power P in the channel to which the radio receiver is tuned ch , that is, the received signal strength (RSS) and the signal-to-interference ratio (SIR) of the channel ch ) measured value, the SIR ch The measured values ​​are determined by the digital signal processing module, i.e., the signal and interference measurement module 14, based on data collected by the radio receiver 10 from various nodes (points) in the radio receiver system 100 and provided to the signal and interference measurement module 14 . (Signal and interference measurement module 14 provides channel power P ch , the signal-to-interference ratio (SIR) of the channel ch ) and other measurements not shown, such as SIR est , ...

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Abstract

An apparatus (100) and corresponding method for use by a first transceiver in saving power when communicating over a wireless communication system with a second transceiver, the first having an operating cycle including an interval in which it sends transmit power requests to the second, the transmit power requests being made based on measurements of the signal received by the first and performed in an interval of the operating cycle in which the operational parameters correspond to a power control measurement state. The method includes: when no power control measurements are being made, a step (44b) of enabling receiver tuning to adjust the receiver operational parameters to place the receiver in a less power-consuming internal state.

Description

technical field [0001] This invention relates to the field of cellular telephony, and more particularly to the power consumed by the receiver portion of a transceiver used in wireless communications. Background technique [0002] So-called third generation mobile phones, which are expected to become available in the near future, will consume significantly more power than contemporary mobile phones due to the many additional services offered by third generation mobile phones. Power is consumed by the mobile phone's transceiver when sending and receiving wireless signals. A mobile phone communicating with a base station (called a Node B in third-generation cellular systems) uses a power control loop to adjust the mobile phone's transmit power so that it is high enough, but only high enough that the signal from the mobile phone is received by the base station. Received almost without error. This is an essential requirement for any system employing Code Division Multiple Acces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/00H04Q7/20H04B7/005H04W52/28H04W52/54
CPCH04W52/287H04W52/54H04W52/288Y02B60/50H04W52/0209Y02D30/70
Inventor A·佩尔西宁J·维普塞莱宁P·塞皮宁
Owner NOKIA CORP
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