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Signal processor

A signal processing device and signal processing technology, applied in the direction of electrical digital data processing, generation of response errors, instruments, etc., can solve problems such as abnormality, inability to ensure the amount of debugging information, and difficulty in determining the time of occurrence

Inactive Publication Date: 2005-06-15
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a problem that the amount of information required for debugging cannot be ensured
Then, along with this variation sometimes produces abnormal
[0021] For abnormalities generated in this way, since the time information is not attached to the debugging information, there is also a problem that it is difficult to determine the occurrence time.

Method used

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Embodiment Construction

[0053] Embodiment 1

[0054] Hereinafter, Embodiment 1 will be described with reference to the drawings.

[0055] figure 1 It is a block diagram showing the structure of the signal processing apparatus of the mobile communication system according to the first embodiment.

[0056] 100 is a signal processing device of a mobile communication system. The signal processing device 100 is composed of a transmission unit and a reception unit.

[0057] The transmission unit includes an error correction code unit 102 and a modulation unit 104 .

[0058] The error correction code unit 102 uses the encoded transmission data 101 as input data, and performs signal processing, that is, error correction encoding capable of correcting error bits generated during wireless transmission. Then, the error correction code unit 102 outputs the encoded data string 103 . Correction of erroneous bits is necessary to provide the quality of the wireless line.

[0059] The modulation unit 104 modula...

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Abstract

A signal processor of a mobile communication system having function blocks for signal processing is used to readily performing debugging. A signal processor comprises, as main function blocks, an error-correction encoding block, a modulating block, a demodulating block, an error-correction decoding block, and an MPU. The signal processor outputs debugging information accompanied by time information in a given data length continuously from a given function block through signal lines (404(1) to 404(I), 404(1) to 404(J), 404(1) to 404(K), and 404(1) to 404(L)) connected to the function blocks, a selection multiplexed output block (403), and selection multiplexed output signal line according to an instruction from external. Thus, a debugger identifies the function block where an error has occurred and the timing at which the error has occurred.

Description

technical field [0001] The present invention relates to a signal processing apparatus used in a mobile communication system and composed of a plurality of functional blocks that perform signal processing such as modulation, demodulation, error correction coding, and error correction decoding, and aims to facilitate debugging. In particular, it relates to the structure of the signal processing device and the operation of the external debugging device. Background technique [0002] A description will now be given of debugging of a signal processing apparatus that is used in a mobile communication system and is composed of a plurality of functional blocks that perform signal processing such as modulation, demodulation, error correction coding, and error correction decoding. During debugging, data is often read from the memory of an arbitrary function block in order to identify the location where an abnormality occurs in the signal processing device. This memory is located insi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/10G06F11/22H04B1/38
CPCG06F11/1008G06F11/3648
Inventor 友江直仁田中丰久小长谷佳弘
Owner MITSUBISHI ELECTRIC CORP
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