Wireless base station device and method for measuring traffic of the wireless base station device

Description: TECHNICAL FIELD [Detailed description of the invention]

【0001】

[Technical field to which the invention belongs]

The present invention relates to a radio base station apparatus having a function of measuring traffic with a mobile station such as a mobile phone in a mobile communication system, and a method for measuring traffic of the radio base station apparatus.

【0002】

[Conventional technology]

Conventionally, as a method for measuring traffic of this type of radio base station device and radio base station device, there is one described in Japanese Patent Application Laid-Open No. 8-163248.

【0003】

The outline of this publication is that the antenna of the radio base station device receives the radio waves exchanged between the mobile terminal and the base station, and the broadband electric field strength measuring unit determines the level of the received radio waves for each channel number used. To measure. In addition, the data storage unit samples the measurement results at predetermined sampling cycles, and the data analysis processing unit analyzes the sampling results, collects the radio wave usage time and the number of channels used, and obtains traffic. ..

【0004】

As a result, it is not necessary to directly connect the wireless base station configuration itself to the mobile communication network, so even in a place where radio waves are supplied by a booster that does not perform call processing, the traffic of that place is measured. It is configured to be possible.

【0005】

[Problems to be Solved by the Invention]

However, in the conventional device, the radio wave level (electric field strength) is measured by a traffic measuring device which is a separate device from the radio base station, but the electric wave strength is only measured as a traffic measurement item. In other words, since the traffic is measured by only a single element, there is a problem that various traffic amounts in the mobile communication system cannot be measured accurately.

【0006】

The present invention has been made in view of this point, and is a radio base station apparatus and a radio base station apparatus capable of accurately measuring the amount of traffic by measuring traffic with a mobile station with a plurality of traffic measuring elements. It is an object of the present invention to provide a method for measuring traffic of.

【0007】

[Means for solving problems]

The radio base station apparatus of the present invention includes a reception level measurement processing means for measuring the reception level of radio waves from the mobile station apparatus, a transmission power measurement processing means for measuring transmission power to the mobile station apparatus, and the mobile station apparatus. A multi-pass number measuring processing means for measuring the number of multi-passes between the two, and a path delay difference measuring process for measuring the delay difference of the signal for each pass returned from the mobile station device after transmission to the mobile station device. A radio processing means having any or all of the means and an interference level measuring processing means for measuring the interference level between radio waves of each radio channel, and the measured transmission power, the number of multi-passes, the delay difference and the interference level. The call processing control means that aggregates each measurement element individually and obtains each traffic amount corresponding to the aggregated individual element, the maintenance monitoring control means that manages the traffic amount, and the managed traffic amount. Adopt a configuration including a display means for displaying.

【0008】

According to this configuration, the traffic amount is not calculated only by the reception level as in the conventional case, but the transmission power, the number of multipaths, the delay difference and the interference level, which are the traffic measurement elements other than the reception level, are measured and the individual measurement elements are measured. Since the traffic amount according to the above is obtained and displayed, the traffic amount with the mobile station can be accurately obtained and confirmed from a plurality of elements.

【0009】

In the wireless base station apparatus of the present invention, in the above configuration, the call processing control means is a call processing means for measuring the frequency of incoming / outgoing calls and a call indicating how many lines are used in all the lines per unit time. A call volume measurement processing means for measuring the amount, a call loss rate measurement processing means for measuring the call loss rate indicating the rate at which a call connection could not be made, and an average hold time measurement processing means for measuring the average hold time indicating the talk time per all channels. Each measurement element of the measured incoming / outgoing call frequency, call volume, call loss rate, and average hold time is individually aggregated, and each traffic amount corresponding to the aggregated individual element is obtained. Take the configuration that requires.

【0010】

According to this configuration, the traffic frequency, call volume, call loss rate, and average hold time, which are traffic measurement elements other than the reception level, are measured and the traffic amount according to each measurement element is obtained and displayed. It is possible to accurately obtain and confirm the traffic amount of the above from multiple factors.

【0011】

In the wireless base station apparatus of the present invention, in the above configuration, the call processing control means measures the execution frequency of the soft handover that controls the call connection at the time of movement of the mobile station apparatus between a plurality of sectors in the wireless base station. The SHO frequency measurement processing means, the DHO frequency measurement processing means for measuring the execution frequency of the diversity handover that controls the call connection when the mobile station device is moved between the radio base stations, and the sector or the radio base station. Resynchronizes with the non-instantaneous HHO frequency measurement processing means that measures the execution frequency of the non-instantaneous hard handover that controls the call connection when the mobile station device is moving in It has any or all of the resynchronization HHO frequency measurement processing means for measuring the execution frequency of the resynchronization hard handover, and the measured soft handover, diversity handover, non-interruptive hard handover, and resynchronization hardware. Each measurement element of the execution frequency of the handover is individually aggregated, and the traffic amount corresponding to each of the aggregated individual elements is obtained.

【0012】

According to this configuration, the execution frequency of soft handover, diversity handover, non-interruptive hard handover, and resynchronization hard handover, which are traffic measurement elements other than the reception level, is measured and the traffic according to each measurement element is measured. Since the amount is calculated and displayed, the amount of traffic with the mobile station can be accurately obtained and confirmed from a plurality of elements.

【0013】

In the radio base station apparatus of the present invention, in the above configuration, the call processing control means uses a radio channel for measuring the radio channel usage rate indicating what percentage of all the radio channels that can be used by the radio base station are used. The rate measuring means and the wired channel usage rate measuring means for measuring the wired channel usage rate indicating what percentage of all the wired channels that can be used by the wireless base station are used, and the display means is the measurement. A configuration is adopted in which the wireless channel usage rate and the wired channel usage rate are captured and displayed via the maintenance monitoring control means.

【0014】

According to this configuration, the wireless and wired channel usage status in the wireless base station apparatus can be grasped, and the number of remaining free channels can be monitored.

【0015】

In the above configuration, the radio base station apparatus of the present invention adopts a configuration in which the call processing control means or the maintenance monitoring control means forms a multiprocessor configuration including a master CPU and a plurality of slave CPUs.

【0016】

According to this configuration, the processing capacity of the call processing control means or the maintenance monitoring control means can be improved.

【0017】

In the wireless base station apparatus of the present invention, in the above configuration, the call processing control means includes a call processing control CPU usage rate measuring means for measuring the usage rate of individual CPUs or the total usage rate of all CPUs, and is a display means. However, the measured usage rate is captured and displayed via the maintenance monitoring control means.

【0018】

According to this configuration, it is possible to grasp the CPU usage status constituting the call processing control means and monitor whether the CPU performance is sufficient, thereby allocating work to a CPU having a margin.

【0019】

In the wireless base station apparatus of the present invention, in the above configuration, the maintenance monitoring control means has a maintenance monitoring control CPU usage rate measuring processing means for measuring the usage rate of individual CPUs or the usage rate of the total CPUs, and is a display means. However, a configuration is adopted in which the measured usage rate is displayed.

【0020】

According to this configuration, the CPU usage status constituting the maintenance monitoring control means can be grasped, and it is possible to monitor whether the CPU performance is sufficient, thereby allocating work to a CPU having a margin.

【0021】

In the wireless base station apparatus of the present invention, in the above configuration, the call processing control means is a reception level measurement processing means, a transmission power measurement processing means, a multipath number measurement processing means, a path delay difference measurement processing means, and an interference level measurement processing means. A configuration is adopted in which the measurement performed by any of the above is instructed to be performed for each wireless channel.

【0022】

According to this configuration, only the necessary wireless channels can be measured, and the CPU load related to traffic measurement can be reduced. If it is done for all channels, the CPU load will increase.

【0023】

In the wireless base station apparatus of the present invention, in the above configuration, the call processing control means is a reception level measurement processing means, a transmission power measurement processing means, a multi-pass number measurement processing means, a path delay difference measurement processing means, and an interference level measurement processing means. , Call volume measurement processing means, Call volume measurement processing means, Call loss rate measurement processing means, Average hold time measurement processing means, SHO frequency measurement processing means, DHO frequency measurement processing means, Instantaneous HHO frequency measurement processing means, Resynchronization HHO A configuration that indicates the measurement cycle performed by any of the frequency measurement processing means, the wireless channel usage rate measuring means, the wired channel usage rate measuring means, the call processing control CPU usage rate measuring processing means, and the maintenance monitoring control CPU usage rate measuring processing means. To take.

【0024】

According to this configuration, the transition of the traffic measurement can be grasped by changing the measurement cycle, and the traffic amount can be accurately obtained by specifying the measurement cycle in detail.

【0025】

In the above configuration, the wireless base station apparatus of the present invention adopts a configuration in which the maintenance monitoring control means includes a display interface means for connecting the display means by any of a serial line, a LAN line, an analog communication line, and an ISDN communication line. ..

【0026】

According to this configuration, since it can be connected to the traffic measuring means of the wireless base station device by a wide variety of lines, it can support high-speed transfer and can be used in a remote place.

【0027】

The mobile communication system of the present invention adopts a configuration including a radio base station device having the same configuration as any of the above.

【0028】

According to this configuration, the same effect as any of the above can be obtained in the mobile communication system.

【0029】

The traffic measurement method of the radio base station apparatus of the present invention includes the reception level of radio waves from the mobile station apparatus, the transmission power to the mobile station apparatus, the number of multipaths between the mobile station apparatus, and the mobile station apparatus. The delay difference of the signal for each path returned from the mobile station device after transmission, the interference level between the radio waves of each wireless channel, the frequency of incoming / outgoing calls, the call volume, the call loss rate, and the talk time per all channels. Measures any or all of the average hold time indicating, the execution frequency of the soft handover, the execution frequency of the diversity handover, the execution frequency of the non-interruptive hard handover, and the execution frequency of the resynchronization hard handover. Then, the measurement elements are individually aggregated, and the traffic amount corresponding to each of the aggregated individual elements is obtained and displayed.

【0030】

According to this configuration, instead of obtaining the traffic amount only by the reception level as in the conventional case, various traffic measurement elements other than the reception level are measured and the traffic amount corresponding to each element is obtained and displayed. The amount of traffic with the station can be accurately obtained and confirmed from multiple factors.

【0031】

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

【0032】

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

【0033】

The wireless base station device (hereinafter referred to as a wireless base station) 101 shown in FIG. 1 performs wireless communication with a mobile phone or a mobile station 102 such as an information terminal having a computer function and a mobile phone function, and each of them performs wireless communication. Is configured to include an amplifier processing unit 104 connected by a control bus 103, a wireless processing unit 105, a wired transmission processing unit 106, a call processing control processing unit 107, and a maintenance monitoring control processing unit 108.

【0034】

The amplifier processing unit 104 amplifies the transmission / reception signal with the mobile station 102.

【0035】

The wireless processing unit 105 performs wireless processing of transmitted / received signals processed by the amplifier processing unit 104, and includes a reception level measurement processing unit 109, a transmission power measurement processing unit 110, and a multipath number measurement processing unit 111. , The path delay difference measurement processing unit 112 and the interference level measurement processing unit 113 are provided.

【0036】

The call processing control processing unit 107 aggregates the measurement results of the measurement processing units 109 to 113 of the wireless processing unit 105 in predetermined time units, and performs averaging of the traffic amount, integration calculation processing, and the like, and is performed by the master CPU. It is configured to include a plurality of call processing control CPUs 115 to 116 in a multiprocessor configuration including a plurality of slave CPUs.

【0037】

As shown in FIG. 2, each call processing control CPU 115 to 116 includes a call processing control CPU usage rate measurement processing unit 201, an incoming / outgoing call frequency measurement processing unit 202, a call volume measurement processing unit 203, and a call loss rate measurement processing unit 204. , Average hold time measurement processing unit 205, SHO (soft handover) frequency measurement processing unit 206, DHO (diversity handover) frequency measurement processing unit 207, and non-interrupted HHO (hard handover) frequency measurement processing unit. It includes 208, a resynchronization HHO frequency measurement processing unit 209, a wireless channel usage rate measurement unit 210, and a wired channel usage rate measurement unit 211.

【0038】

The maintenance monitoring control processing unit 108 displays the operation and failure status of the entire wireless base station 101, the mounting status of various functional cards required for the wireless base station 101 to perform wireless communication with the mobile station 102, and the version information of the card. It is managed and is configured to include a plurality of maintenance monitoring control CPUs 117 to 118 in a multiprocessor configuration and a display interface unit 119.

【0039】

As shown in FIG. 3, each maintenance monitoring control CPU 117 to 118 includes a maintenance monitoring control CPU usage rate measurement processing unit 301.

【0040】

The display interface unit 119 allows the maintenance monitoring control processing unit 108 to accommodate a line for connecting the display device 121, and FIG. 1 shows a state in which the display device 121 is connected by the serial line 120. However, it can also accommodate LAN lines, analog communication lines, and ISDN communication lines.

【0041】

The wired transmission processing unit 106 is connected to the radio base station control device 122 that controls the radio base station 101.

【0042】

The operation of the radio base station 101 having such a configuration will be described.

【0043】

When the wireless base station 101 communicates wirelessly with the mobile station 102, the reception level measurement processing unit 109 of the wireless processing unit 105 measures the reception level of the radio wave transmitted from the mobile station 102, and the transmission power measurement processing unit 110 measures the reception level. , The power of the radio wave transmitted to the mobile station 102 is measured, the number of multi-passes due to the reflected wave from the mobile station 102 is measured by the multi-pass number measurement processing unit 111, and the path delay difference measurement processing unit 112 measures the radio base. The delay difference for each path transmitted from the station 101 and returned via the mobile station 102 is measured, and the interference level measurement processing unit 113 measures the interference level between the radio waves of each radio channel.

【0044】

These measurements are performed in a predetermined measurement cycle (for example, unit time of 10 ms, 100 ms, 1 second, 1 minute, 1 hour, 1 day, 1 year, etc.) for each wireless channel, and this measurement cycle is performed at the wireless base. It is variably instructed by the station control device 122 for each radio channel (for each channel).

【0045】

The reason why the measurement cycle can be changed in this way is that the level of the radio wave fluctuates rapidly. Therefore, by changing the measurement cycle for a short time or a long time, the call processing control processing unit 107 can perform the calculation. This is to obtain an appropriate average value.

【0046】

Further, each of the measured elements is output to the call processing control processing unit 107 via the control bus 103 as wireless processing unit traffic information.

【0047】

In the call processing control processing unit 107, the radio processing unit traffic information is collected in each call processing control CPU 115 to 116 in a predetermined time unit according to the instruction of the radio base station control device 122, and then averaged, integrated, etc. It is totaled by the calculation of, and the traffic amount is obtained by this.

【0048】

The obtained traffic amount is converted into a data format that can be handled by the maintenance monitoring control processing unit 108, and then output to the maintenance monitoring control processing unit 108 via the control bus 103.

【0049】

In the maintenance monitoring control processing unit 108, the traffic amount is managed by each maintenance monitoring control CPU 117 to 118, and the managed traffic amount is output from the display interface unit 119 to the display device 121 via the serial line 120. The traffic amount is displayed on the display device 121 as a graph or a list.

【0050】

In the call processing control CPUs 115 to 116, the frequency of incoming / outgoing calls is measured by the incoming / outgoing call frequency measurement processing unit 202 from the control information of the wireless base station control device 122, and the call volume measurement processing unit 203 connects all lines. The ratio of call volume, which is the time (total connection time of all lines), for example, how many hours were connected in total out of 10 lines per hour was measured, and the call loss rate measurement processing unit 204 received an incoming call but the line was blocked. The call loss rate, which is the rate at which an incoming call could not be received, that is, the call connection could not be made, is measured, and the average hold time measurement processing unit 205 measures the average hold time, which is the talk time per all channels.

【0051】

Further, the SHO frequency measurement processing unit 206 measures the frequency of the soft handover that controls the call connection when the mobile station 102 moves between a plurality of sectors configured by one radio base station 101, and performs the DHO frequency measurement process. The frequency of the diversity handover that controls the call connection when the mobile station 102 is moving between the radio base stations is measured by the unit 207, and the non-interrupted HHO frequency measurement processing unit 208 measures the frequency between sectors or between the radio base stations. The frequency of the non-instantaneous hard handover that controls the call connection when the mobile station 102 is moving is measured, and the resynchronization HHO frequency measurement processing unit 209 disconnects once and then resynchronizes. The frequency of resynchronization hard handovers is measured.

【0052】

Each of these measured elements is collected as traffic information in each call processing control CPU 115 to 116 in a predetermined time unit according to the instruction of the radio base station control device 122, and then aggregated by calculations such as averaging and integration. This gives the amount of traffic.

【0053】

The obtained traffic amount is converted into a data format that can be handled by the maintenance monitoring control processing unit 108, and then output to the maintenance monitoring control processing unit 108 via the control bus 103.

【0054】

In the maintenance monitoring control processing unit 108, the traffic amount is managed by each maintenance monitoring control CPU 117 to 118, and the managed traffic amount is output from the display interface unit 119 to the display device 121 via the serial line 120. The traffic amount is displayed on the display device 121 as a graph or a list.

【0055】

In addition, the radio channel usage rate measuring unit 210 of the call processing control processing unit 107 measures the radio channel usage rate indicating what percentage of all the radio channels that the radio base station 101 can use, and uses the wired channel. The rate measuring unit 211 measures the wired channel usage rate, which indicates what percentage of all the wired channels available to the radio base station 101. These usage rates are also displayed on the display device 121 in the same manner as the above traffic information.

【0056】

In addition, the call processing control CPU usage rate measurement processing unit 201 measures the call processing control CPU usage rate, which indicates the percentage of operation rate of each call processing control CPU 115 to 116, and uses the maintenance monitoring control CPU. The rate measurement processing unit 301 measures the maintenance monitoring control CPU usage rate, which indicates the percentage of operation rate of each maintenance monitoring control CPU 117 to 118.

【0057】

In these measurements, the CPU usage rate for each CPU and the total CPU usage rate for all CPUs are measured. These usage rates are also displayed on the display device 121 in the same manner as the above traffic information.

【0058】

As described above, according to the radio base station apparatus 101 of the present embodiment, the reception level of the radio wave from the mobile station 102, the transmission power to the mobile station 102, the number of multi-paths between the mobile station 102, and The delay difference of the signal for each path returned from the mobile station 102 after transmission to the mobile station 102, the interference level between the radio waves of each radio channel, the frequency of incoming / outgoing calls, the call volume, the call loss rate, and all. Which of the average hold time indicating the talk time per channel, the execution frequency of the soft handover, the execution frequency of the diversity handover, the execution frequency of the non-interruptive hard handover, and the execution frequency of the resynchronization hard handover. Or all of them are measured by each measurement processing unit 109 to 112 and 202 to 209, and the measurement elements are individually aggregated by the call processing control processing unit 107, and the traffic amount corresponding to each of the aggregated individual elements. Was managed by the maintenance monitoring control processing unit 108, and the managed traffic amount was displayed on the display device 121 via the display interface unit 119.

【0059】

As a result, the functionality of the radio base station apparatus 102 can be enhanced by acquiring a large amount of traffic information, and the traffic amount can be accurately measured.

【0060】

[Effect of the invention]

As described above, according to the present invention, the traffic amount can be accurately measured by performing the traffic measurement with the mobile station with a plurality of traffic measuring elements.

[Simple explanation of drawings]

[Figure 1]

A block diagram showing a configuration of a radio base station apparatus according to an embodiment of the present invention. [Figure 2]

A block diagram showing a configuration of a call processing control processing unit of the radio base station apparatus according to the above embodiment. [Fig. 3]

A block diagram showing a configuration of a maintenance monitoring control processing unit of a radio base station apparatus according to the above embodiment. [Explanation of symbols]

101 wireless base station 102 mobile station 107 Call processing control processing unit 108 Maintenance monitoring control processing unit 109 Reception level measurement processing unit 110 Transmission power measurement processing unit 111 Multipath number measurement processing unit 112 Path delay difference measurement processing unit 113 Interference level measurement processing unit 115 ~ 116 Call processing control CPU 117 ~ 118 Maintenance monitoring control CPU 119 Display interface 120 serial line 121 Display device 201 Call processing control CPU usage rate measurement processing unit 202 Incoming / outgoing frequency measurement processing unit 203 Call volume measurement processing unit 204 Call loss rate measurement processing unit 205 Average hold time measurement processing unit 206 SHO frequency measurement processing unit 207 DHO frequency measurement processing unit 208 Instantaneous HHO frequency measurement processing unit 209 Resynchronization HHO frequency measurement processing unit 210 Wireless channel usage measurement unit 211 Wired channel usage measurement unit 301 Maintenance monitoring control CPU usage rate measurement processing unit