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Method and apparatus for controlling data processing

A technology for controlling data and processing methods, applied in the field of communication, can solve the problem of high cost and achieve the effect of reducing cost

Inactive Publication Date: 2008-06-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] Since the prior art requires high-digit DAC devices to meet the phase holding performance, and the cost of high-digit DAC devices is relatively high, there is a need for a method to reduce the cost of the used devices while meeting the same phase holding performance

Method used

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  • Method and apparatus for controlling data processing
  • Method and apparatus for controlling data processing

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Embodiment Construction

[0035] Embodiments of the present invention provide a control data processing method and a control data processing device, which can realize the function of a high-digit DAC device with a low-digit DAC device using a PWM function, thereby reducing costs.

[0036] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0037] Fig. 2 is the schematic diagram of the first embodiment of the processing method of the control data of the present invention, the DAC device control data obtained in the phase-locked loop phase detection and filtering process obtained in the method is 16 bits (Bit), and is used to generate The number of digits of the DAC device of the oscillator control signal in the phase-locked loop is 12Bit. What this method needs to solve is to use the 12Bit DAC device to realize the phase retention performance of the 16Bit DAC device. With reference to this figure, the method mainly includes:

[0038] 20...

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Abstract

The invention discloses a processing method for a control data, which includes dividing the control data which has phase locked loop median that is higher than DAC device digit capacity into high control data and low control data, the digit capacity of which is equal to the digit capacity to the DAC device; calculating the time length respectively occupied by the corresponding pulse part after the high control data valve is added a fixed value and the corresponding non-pulse part of the high control data value in a PWM signal period; and transmitting the PWM signal to the DAC device to be processed. The invention also discloses a processing device for the control data. By adopting the invention, the functions of a high digit capacity DAC device can be realized by a low digit capacity DAC device by adopting the PWM function. The invention has the advantages of reducing cost as well as simpleness and easy application.

Description

technical field [0001] The invention relates to the communication field, in particular to a control data processing method and a control data processing device. Background technique [0002] In the field of communication, the quality of network synchronization performance has a great impact on telecommunication services. Poor network synchronization performance often brings a series of problems. In wireless networks, synchronization problems are particularly important, such as poor voice quality, high call drop rate, handover Many problems, such as low success rate and inaccessibility, are largely related to poor network synchronization performance. [0003] In Code Division Multiple Access (CDMA) / Time Division Synchronous Code Division Multiple Access (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) / Ultra Mobile Broadband (Ultra Mobile Broadband, UMB) / Long Term Evolution (Long Term Evolution) Term Evolution, LTE) / Worldwide Interoperability for Micr...

Claims

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Application Information

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IPC IPC(8): H04L7/033
CPCH03M1/822H03L7/08H03M1/68
Inventor 储育红
Owner HUAWEI TECH CO LTD
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