JP2002152800A - Base station device and connection fault detecting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten time for detecting the fault of a connection set to a cell and to prevent unwanted connection setting processing from being carried out by detecting the fault of the relevant cell. SOLUTION: In a radio transmitting/receiving part fault detecting apt 112, the fault of a transmitting amplifier 114 or radio transmitting part 115 or radio receiving part 116 in a transmitting signal to a mobile station device 102 is detected and when such a fault is detected, the fault detection of the cell is decided in a cell fault detecting part 111. Besides, in a common physical channel fault detecting part 113, the fault of a common physical channel for setting a connection to the mobile station device 102 is detected and when such a fault is detected, the fault detection of the cell is decided in the cell fault detecting part 111.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base station apparatus for performing radio communication with a mobile station apparatus such as a portable telephone while forming a plurality of cells which are radio communication areas in a mobile communication system, and a cell in the base station apparatus. The present invention relates to a connection failure detection method for detecting a failure of a connection (signal transmission path) set for each connection.

[0002]

2. Description of the Related Art In a conventional method for detecting a connection failure in a base station apparatus, for example, loss of radio synchronization or an abnormality in the apparatus is detected. In such a case, the device itself releases the connection. This makes it possible to release unnecessary connections, shortens unnecessary connection release processing time,
It was trying to make effective use of wireless resources.

[0003]

However, in the conventional device, even if a failure occurs in the cell itself,
Since the failure detection must be performed while monitoring the wireless synchronization state of each connection one by one, there is a problem that the failure detection is delayed.

[0004] When a new connection is set up, even if a fault has already occurred in the cell, the connection must be set up once and it must be detected that the connection cannot be set up because wireless synchronization is not established. However, there is a problem that unnecessary processing is performed.

The present invention has been made in view of the above points, and detects a cell failure so as to shorten the time required to detect a failure in a connection set in the cell and prevent unnecessary connection setting processing from being performed. It is an object of the present invention to provide a base station apparatus and a connection failure detection method that can be used.

[0006]

According to the present invention, there is provided a base station apparatus comprising:
Radio transmission / reception unit failure detection means for detecting a failure of any one of a transmission signal amplification means and a radio transmission / reception means to a mobile station apparatus, and a cell failure detection means for detecting a cell failure when a failure is detected by the means Are adopted.

According to this configuration, the failure of the cell can be detected by detecting the failure of the radio transmission function for forming the cell or the failure of the radio reception function that functions by forming the cell. In this case, it is possible to reduce the time for detecting the failure of the connection set in the. That is, as in the conventional case, when a failure occurs in the cell itself, 1
By performing the failure detection while monitoring the wireless synchronization state of the connection one by one, the failure detection is not delayed.

[0008] A base station apparatus according to the present invention comprises: a common physical channel failure detecting means for detecting a failure of a common physical channel for setting up a connection to a mobile station apparatus; And a cell failure detecting means for detecting a failure.

According to this configuration, the failure of the cell can be detected by detecting the failure of the common physical channel for forming the cell, so that unnecessary connection setting processing can be prevented. . That is, as in the prior art, when a new connection is set, even if a failure has already occurred in the cell, the connection is set once, and it is detected that the connection cannot be set because wireless synchronization is not established. Unnecessary processing can be eliminated.

[0010] In the base station apparatus of the present invention, the common physical channel fault detecting means in the above configuration detects a fault in the radio transmission processing resource allocated to the synchronization channel of the radio transmitting means and notifies the cell fault detecting means. It adopts the configuration to do.

According to this configuration, the failure of the cell can be detected by detecting the failure of the synchronization channel in the common physical channel for forming the cell, so that unnecessary connection setting processing is not performed. be able to.

In the base station apparatus according to the present invention, in the above configuration, the common physical channel fault detecting means detects a fault in a radio transmission processing resource allocated to a downlink common pilot channel of the radio transmitting means, and detects a cell fault detecting means. Adopt a configuration to notify.

According to this configuration, the failure of the cell can be detected by detecting the failure of the downlink common pilot channel in the common physical channel for forming the cell, so that unnecessary connection setting processing is not performed. Can be

In the base station apparatus according to the present invention, the common physical channel failure detecting means has a failure in a wireless transmission processing resource assigned to a common control physical channel of the wireless transmitting means or a common physical channel failure detecting means. A configuration is adopted in which a failure of the baseband processing resource allocated to the control physical channel is detected and notified to the cell failure detection means.

According to this configuration, the failure of the cell can be detected by detecting the failure of the common control physical channel in the common physical channel for forming the cell, so that unnecessary connection setting processing is not performed. Can be

A connection failure detection method according to the present invention detects a failure in a means for amplifying a transmission signal to a mobile station apparatus or a failure in a radio transmission / reception means, detects the failure as a failure in a cell, and detects a failure in the base station when the failure in the cell is detected. In the device or the control station device, the occurrence of a failure in the connection set in the cell is detected.

According to this method, the time for detecting a connection failure when a failure occurs in a cell is reduced, and
At the time of setting a new connection, it is not necessary to perform unnecessary processing that may cause a connection failure.

A connection failure detection method according to the present invention detects a failure of a common physical channel for setting up a connection to a mobile station device, and detects the failure as a cell failure detection. In the device or the control station device, the occurrence of a failure in the connection set in the cell is detected.

According to this method, when a failure occurs in a cell, the failure detection time of the connection is reduced, and
At the time of setting a new connection, it is not necessary to perform unnecessary processing that may cause a connection failure.

[0020]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing a configuration of a base station apparatus according to an embodiment of the present invention.

The base station apparatus 101 shown in FIG. 1 includes a mobile station apparatus 102 and a control station apparatus 103 of the base station apparatus 101.
Together with the mobile communication system.

The base station apparatus 101 includes a cell failure detection unit 11
1, a radio transmission / reception unit failure detection unit 112, a common physical channel failure detection unit 113, a transmission amplifier 114, a radio transmission unit 115, a radio reception unit 116, and a baseband processing unit 117. I have.

In such a configuration, the base station device 10
When the cell failure detection unit 111 detects a cell failure, the control station apparatus 1 or 103 recognizes that a failure has occurred in a connection set for the cell, and releases the connection as an unnecessary connection.

The base station apparatus 101 or the control station apparatus 1
No. 03 does not set a new connection for a cell in which a failure has occurred.

The radio transmitter / receiver fault detector 112 monitors the status of the transmission amplifier 114 by the transmission amplifier status monitor 121, monitors the radio transmitter 115 by the radio transmitter status monitor 122, and monitors the status of the radio receiver. The state of the wireless receiving unit 116 is monitored by the unit 123, and when a failure occurs in any one of the units, the failure is notified to the cell failure detecting unit 111 as a failure of the wireless transmitting unit 115 or the wireless receiving unit 116.

The common physical channel failure detection unit 113
CH failure detector 124 and PCPICH failure detector 12
5 and a PCCPCH failure detection unit 126, and when any one of the detection units 124 to 126 detects a failure, the cell failure detection unit 1
Notify 11

That is, when a failure is detected by the radio transmission / reception unit failure detection unit 112 or the common physical channel failure detection unit 113, the cell failure detection unit 111 detects the failure of the cell.

However, SCH (Synchronization Channel:
The synchronization channel is a downlink channel for cell search, and is processed by the radio transmission unit 115.

P-CPICH (Primary-Common Pilot Ch)
“annel: first downlink common pilot channel” is a downlink channel for channel estimation in the mobile station device 102, and is processed by the radio transmission unit 115.

P-CCPCH (Primary-Common Control)
A Physical channel (first common control physical channel) is a downlink channel for transmitting broadcast information, and is processed by the radio transmission unit 115 and the baseband processing unit 117.

That is, the SCH failure detecting unit 124 uses the radio transmission processing
15 to monitor the state of the radio transmission processing resource 128 assigned to the SCH, and if a failure occurs,
CH failure is detected.

[0033] The PCPICH failure detection unit 125 uses the radio transmission processing resource state monitoring means 127 to transmit the radio transmission unit 1
The status of the wireless transmission processing resource 128 assigned to the PCPICH in the P15 is monitored, and when a failure occurs, the failure is detected as a PCPICH.

[0034] The PCCPCH failure detecting unit 126 uses the radio transmission processing resource status monitoring means 127 to transmit the radio transmission unit 1
15 monitor the status of the radio transmission processing resource 128 allocated to the PCCPCH, and use the baseband processing resource
The state of the baseband processing resource 130 allocated to the PCCPCH in the PC 17 is monitored, and when any one of the failures occurs, the failure is detected as a PCCPCH.

As described above, the base station apparatus 10 according to the embodiment
According to No. 1, the wireless transmission / reception unit failure detection unit 112
A failure of the transmission amplifier 114, the wireless transmission unit 115, or the wireless reception unit 116 of the transmission signal to the mobile station device 102 is detected, and when this failure is detected, the cell failure detection unit 111
In the above, the cell failure is detected.

As a result, a failure in a cell can be detected by detecting a failure in a radio transmission function for forming a cell or a failure in a radio reception function that functions by cell formation. The time required for detecting a failure in a connection can be reduced. That is, unlike the related art, when a failure occurs in the cell itself, the failure detection is performed while monitoring the wireless synchronization state of the connections one by one, so that the failure detection is not delayed.

The common physical channel failure detecting unit 113
Thus, a failure of a common physical channel for setting up a downlink connection to the mobile station device 102 is detected, and when this failure is detected, the cell failure detection unit 111 detects the failure of a cell.

As a result, a failure of a cell can be detected by detecting a failure of a common physical channel for forming a cell, so that unnecessary connection setting processing can be prevented. That is, as in the prior art, when a new connection is set, even if a failure has already occurred in the cell, the connection is set once, and it is detected that the connection cannot be set because wireless synchronization is not established. Unnecessary processing can be eliminated.

[0039]

As described above, according to the present invention,
By detecting a cell failure, it is possible to reduce the failure detection time of a connection set in the cell and prevent unnecessary connection setting processing from being performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a base station apparatus according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 101 Base station apparatus 102 Mobile station apparatus 103 Control station apparatus 111 Cell failure detection section 112 Radio transmission / reception section failure detection section 113 Common physical channel failure detection section 114 Transmission amplifier 115 Radio transmission section 116 Radio reception section 117 Baseband processing section 121 Transmission amplifier Status monitoring means 122 Radio transmission section status monitoring means 123 Radio reception section status monitoring means 124 SCH failure detection section 125 PCPICH failure detection section 126 PCCPCH failure detection section 127 Radio transmission processing resource state monitoring means 128 Radio transmission processing resource 129 Baseband processing resource Status monitoring means 130 Baseband processing resources

Claims (7)

[Claims] A wireless transmission / reception unit failure detection means for detecting a failure in any of amplifying means and a wireless transmission / reception means for a transmission signal to a mobile station apparatus, and detecting failure of a cell when a failure is detected by the means. And a cell failure detecting means. 2. A common physical channel failure detecting means for detecting a failure of a common physical channel for setting a connection to a mobile station apparatus, and a cell failure for detecting a failure of a cell when the failure is detected by the means. A base station apparatus comprising: a detecting unit. 3. The common physical channel failure detecting means detects a failure of a radio transmission processing resource assigned to a synchronization channel of the radio transmitting means and notifies the cell failure detecting means. Base station equipment. 4. The common physical channel fault detecting means detects a fault in a radio transmission processing resource assigned to a downlink common pilot channel of the radio transmitting means and notifies the cell fault detecting means. 3. The base station device according to 2. 5. The common physical channel failure detecting means includes: a failure in a wireless transmission processing resource assigned to a common control physical channel of the wireless transmission means, or a baseband assigned to a common control physical channel of the baseband processing means. 3. The base station apparatus according to claim 2, wherein a failure of the processing resource is detected and notified to a cell failure detecting unit. 6. A failure detection means for amplifying a transmission signal to a mobile station device or a failure in a radio transmission / reception means, and detecting the failure as a cell failure detection. A method for detecting a connection failure, the method comprising detecting occurrence of a failure in a connection set in the cell. 7. A failure of a common physical channel for setting a connection to a mobile station device is detected, and the failure detection is detected as a failure of a cell. A method for detecting a connection failure, the method comprising detecting occurrence of a failure in a connection set in the cell.