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CDMA receiver and receiving method thereof

A receiver, connected to technology, used in signal transmission systems, communication between multiple stations, power management, etc.

Inactive Publication Date: 2005-09-07
LENOVO INNOVATIONS LTD HONG KONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the second traditional method is disadvantageous because it is impossible to perform batch operation by itself in extreme cases

Method used

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  • CDMA receiver and receiving method thereof
  • CDMA receiver and receiving method thereof
  • CDMA receiver and receiving method thereof

Examples

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Embodiment Construction

[0077] Now, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Also, in the embodiment, an example will be described regarding the relationship between the reception section and the control section in a Code Division Multiple Access (CDMA) terminal without an independent receiver.

[0078] Referring to FIG. 1, a CDMA terminal 10 according to a first embodiment of the present invention will be described. The illustrated CDMA terminal 10 includes an antenna 12 , a wireless section 14 , a receiving section 16 , a transmitting section 18 , and a control section 20 . The receiving section 16 functions as a CDMA receiver.

[0079] The wireless section 14 is connected to the antenna 12 , the receiving section 16 , and the transmitting section 18 . The spread reception signal received from the antenna 12 is supplied to the wireless section 14 . The radio section 14 transmits the spread reception signal to the reception sect...

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Abstract

In a CDMA receiver for intermittently receiving a spread spectrum received signal using a despreading code and comprising a high-resolution time reference generating section and a low-resolution time reference generating section, a state control section puts, for substantially a reception operation stop time interval, the CDMA receiver into a cold standby state where the high-resolution time reference generating section does not operate while the low-resolution time reference generating section operates. On or immediately before a reception return time instant, the state control section puts the CDMA receiver into a hot standby state where the high-resolution time reference generating section operates.

Description

technical field [0001] The present invention relates to a receiver with intermittent operation, in particular to a technology enabling a code division multiple access (CDMA) receiver to complete receiving operation intermittently. Background technique [0002] Recently, the development of mobile communication is remarkable and there is a strong demand in the field of mobile communication terminals for mobile communication systems. Generally speaking, each mobile communication terminal of said type is driven by a battery with a limited service life. Correspondingly, in order to prolong the service life of the mobile communication terminal without frequent replacement of the battery, it is necessary to eliminate consumption of useless current in the mobile communication terminal as much as possible. For this technique, a method of intermittently operating a mobile communication terminal in a case where the mobile communication terminal enters a waiting state is suitable. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J13/00G08C17/00H04B1/16H04B1/7073H04B7/26H04L7/00H04W52/02
CPCH04B2201/70709H04W52/0274H04B1/70758Y02D30/70H04B7/26
Inventor 津村聪一
Owner LENOVO INNOVATIONS LTD HONG KONG