JPH09284209A - Radio information collection system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a mobile station to efficiently collect information from all slave stations while moving at a high speed. SOLUTION: A mobile station 100 repeats call transmission and reply reception to/from a relay station 120 through a channel ch1 while being moved. The relay station 120 conducts call transmission and reply reception to/from a slave station 110 through a channel ch2 in response to a call from the mobile station 100. The slave station 110 collects information in response to the call from the relay station 120 and sends the collected information to the relay station 120 through the ch2. The relay station 120 collects reply data from all the slave stations 110 in existence in its cell and sends the data to the mobile station 100 through the ch1, then the mobile station 100 collects information efficiently.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless information collecting system for collecting information collected at a plurality of points by wireless communication.

[0002]

2. Description of the Related Art A telemeter system that collects information at a remote place by using wireless communication means is a very effective system from the viewpoint of efficiency, especially when there are many objects to be measured. As a configuration of such a telemeter system, for example, one disclosed in Japanese Patent Laid-Open No. 2-12697 is known.

A conventional telemeter system will be briefly described below with reference to FIG. In FIG. 19, 12
01 is a slave station that collects information at a predetermined point and transmits the collected information using wireless communication.From the information collecting means 1202 and the wireless communication means 1203 that converts the collected information into a wireless signal and transmits it. It is configured. Here, it is assumed that the wireless communication unit 1203 uses, for example, one that conforms to the standard of the specific low power wireless. 1204 is a mobile station for collecting the collected information in the slave station 1201, while moving in the area where a plurality of slave stations 1201 exists, wireless to all the slave stations 1201 existing in the communication range, Repeated call transmission and response reception by communication. The slave station 1201 called from the mobile station 1204 collects information by the information collecting means 1202,
The obtained collected information is transmitted to the mobile station 1204 by the wireless communication means 1203.
Send to The mobile station 1204 receives the collected information transmitted from each child station 1201 and can collect the collected information at each point while moving.

In the telemeter system as described above, when information is rarely collected or when the slave station 1201 is driven by a battery, the slave station 1201 is saved in order to save power consumption. Operate intermittently. That is, power is supplied to the wireless communication means 1203 for a predetermined time every predetermined time, and the call from the mobile station 1204 is checked,
Only when the call from the mobile station 1204 is confirmed, the intermittent operation is canceled and information collection and response processing are performed. If the call from the mobile station 1204 is not confirmed within a certain time during which the power is being supplied, the power supply to the wireless communication means 1203 is stopped until the next predetermined time comes. This allows the slave station
The battery life of the 1201 can be extended.

[0005]

However, in the above-mentioned conventional configuration, when the mobile station 1201 and the mobile station 1204 use wireless communication means such as a specific low power radio having weak transmission power, respectively, Because the communication range of is narrow,
In areas where slave stations are densely arranged, mobile stations 12
It is difficult for 04 to move at high speed and communicate with all slave stations. In particular, when the slave station 1201 performs intermittent reception, communication is established with the timing of the mobile station calling transmission and the intermittent operation of the slave station matching, and by the end of reception of collected information,
Since it takes a longer time, high-speed movement is impossible, and there is a problem that efficient information collection cannot be performed.

The present invention solves the above-mentioned conventional problems. Even if the mobile station does not communicate with all the slave stations arranged in the area, information can be efficiently collected in all the slave stations. It is an object to provide a wireless information collecting system that can be performed.

[0007]

In order to achieve the above object, the wireless information collecting system according to the present invention is the first while moving.
A mobile station that repeatedly transmits a call and receives a response on the second channel, a plurality of slave stations that collect information according to the call signal on the second channel, and transmit the obtained collected information on the second channel; Is located at a point where it can communicate with several of the slave stations, and calls the slave station on the second channel in response to the call signal from the mobile station on the first channel and receives a response signal from the slave station. And a plurality of relay stations that perform response transmission to the mobile station on the first channel. As a result, the mobile station can efficiently collect information in all the slave stations without communicating with all the slave stations arranged in the area.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a mobile station which repeatedly performs paging transmission and response reception on a first channel while moving, and information according to a paging signal on a second channel. It is arranged at a location where communication can be performed with a plurality of slave stations that perform collection and transmit the obtained collection information on the second channel, Call the slave station on the second channel in response to the call signal of
A wireless information collection system having a plurality of relay stations that receive a response signal from a slave station and transmit a response to a mobile station on a first channel. Repeated call transmission and response reception to the relay station, and when each relay station detects a call from the mobile station on the first channel, a child existing in the cell of each relay station on the second channel is detected. When the call transmission from the relay station is sensed, each slave station existing in the cell of each relay station performs a call transmission and a response reception to the station. The response is transmitted to the relay station through the channel 2 and the relay station
After collecting the collected information transmitted from all the slave stations existing in the cell of each relay station and collecting them into one information sequence,
Transmitting on the first channel to the mobile station, the mobile station
By receiving the information sequences transmitted in response from a plurality of relay stations through the channel of, it becomes possible to efficiently collect the collected information in all the slave stations in the area while moving at high speed.

According to a second aspect of the present invention, in the wireless information collecting system according to the first aspect, the mobile station generates relay station call signal generation means for generating a call signal to the relay station while moving, Transmitting means for modulating a call signal to the relay station by a first channel and transmitting the modulated signal; receiving means for receiving a response signal from the relay station on the first channel and outputting a demodulated signal; Relay station response data storage means for extracting and storing response data transmitted from the relay station from a demodulated signal, the relay station receiving a call signal from the mobile station on the first channel. Receiving means for outputting a demodulated signal by a mobile station and a mobile station calling signal identifying means for outputting a slave station calling command signal when a calling signal from the mobile station is identified from the demodulated signal. And a slave station regular calling means for periodically outputting the slave station call command signal, and a plurality of in-cell slave stations existing in a cell which is a communicable range of the relay station according to the slave station call command signal To the slave station in the cell, transmitting means for modulating and transmitting the call signal to the slave station in the cell, and a response signal from the slave station in the second channel. Receiving means for receiving and outputting a demodulated signal; storing response data transmitted from the intra-cell slave station from the demodulated signal and storing the response data from all of the intra-cell slave stations of the relay station; After the end, the mobile station based on the slave station response data storage means for collectively collecting the plurality of response data and outputting as the cell internal station data, and the mobile station based on the cell internal station data. Mobile station response data generating means for generating response data for the mobile station, and transmitting means for transmitting response data to the mobile station by modulating the response data to the mobile station. Receiving means for receiving a call signal in the second channel and outputting a demodulation signal, and relay station call signal identification for outputting an information collection command signal when the call signal from the relay station is identified from the demodulation signal Means, information collecting means for collecting information in response to the information collecting command signal, and generating response data to the relay station from the obtained collected information, and response data to the relay station for the second channel. In the mobile station, even if the mobile station does not communicate with all the slave stations arranged in the area, the mobile station can collect information in all the slave stations via the relay station. Collection can be performed efficiently.

According to a third aspect of the present invention, the slave station regular calling means in the relay station according to the second aspect is removed, or the receiving means for the mobile station and the mobile station calling signal identifying means are removed. The configuration of the relay station can be simplified.

According to a fourth aspect of the present invention, as the information collecting means in the slave station according to the second aspect, a timer that outputs a timing signal at a certain fixed period, and the fixed period according to the timing signal. When the information collecting command signal is output from the relay station call signal identifying means and another information collecting means for collecting information for each and storing the obtained collected information, the other information collecting means And a relay station response data generating means for reading the stored collected information, generating response data for the relay station, and supplying the response data to the transmitting means. The slave station is a relay station. When there is a call from, the information collected and stored in advance can be immediately sent as a response.

According to a fifth aspect of the present invention, in the slave station according to the second aspect, there is provided delay means for delaying the supply of the response data to the relay station outputted from the information collecting means to the transmitting means. The delay time in the delay means is
The slave stations existing in the cell of the relay station are set to different times, and it is possible to prevent collision in response transmission from the slave station to the relay station.

The invention according to claim 6 of the present invention comprises, as the transmitting means and the receiving means in the mobile station according to claim 2, a transmitting means and a receiving means capable of switching channels in accordance with a channel switching signal, When a response omission or an error is found in the response data from the relay station extracted in the relay station response data storage means, the output from the relay station call signal generation means is stopped, and the transmission means and the reception means. To a channel switching signal to the first channel, to supply the individual calling data for the slave station having the response leakage or error to the transmitting means, if the response data from the slave station is normally obtained, A slave station call for supplying a channel switching signal to the second channel to the receiving means and the transmitting means and restarting the output from the relay station call signal generating means. That was provided out control means which is characterized, it is possible to prevent information collection leaks.

The invention according to claim 7 of the present invention is characterized in that the communication channel between the relay station and the slave station according to claim 2 is set to a different channel between the relay stations adjacent to the cell. Therefore, it is possible to reduce interference from a plurality of relay stations with respect to a slave station existing near the cell boundary of the relay station.

The invention according to claim 8 of the present invention has the mobile station according to claim 2 as a mobile station, and as a relay station, an antenna and the antenna are shared for transmission and reception, and reception is performed at the antenna. The first antenna sharing means for outputting the signal, the receiving means for demodulating the received signal output from the antenna sharing means and outputting the demodulated signal in the channel corresponding to the channel switching signal, and the channel switching signal. Transmitting means for modulating an input signal in a corresponding channel and supplying it to the antenna sharing means; identification information extracting means for extracting and outputting identification information of the received signal from the demodulated signal; and the received signal from the demodulated signal Data extracting means for extracting and outputting a response data portion of the cell, and whether the transmitting station of the received signal is a mobile station based on the identification information, or a slave station in a cell. It is determined whether the source station is the mobile station, if the source station is the mobile station, a slave station call command signal is output, and if the source station is the slave station in the cell, the slave station response data is output. A transmitting station determining means for outputting a store command signal, and stores response data of the slave station output from the data extracting means according to the slave station response data storage command signal, and stores the slave station in the cell of the relay station. When all the response data is stored, based on the slave station response data storage means for collectively outputting the response data of all the slave stations in the cell as one cell series as the slave station data in the cell, and the slave station data in the cell, Mobile station response data generating means for generating and outputting response data to a mobile station, and a slave station calling for generating and outputting a calling signal for a slave station in a cell of the relay station in response to the slave station calling command signal It outputs a channel switching signal for switching the channels of the signal generating means and the transmitting means and the receiving means, and outputs a switching signal of the first channel when response data to the mobile station is output. A channel switching unit that outputs a switching signal for the second channel when a calling signal for the slave station in the cell is output, and the slave station includes the slave station according to claim 2. Even if the mobile station does not communicate with all the slave stations arranged in the area, it is possible to efficiently collect information in all the slave stations via the relay station with a simple configuration.

According to a ninth aspect of the present invention, in the relay station according to the eighth aspect, it is predetermined instead of the transmitting station determining means, the slave station calling signal generating means and the mobile station response data generating means. A timer that outputs a timing signal for each period, and a slave station call signal generation unit that generates a call signal for a slave station existing in the cell of the relay station according to the timing signal output from the timer,
Based on the identification information output from the identification information extraction means, when the source station of the received signal is the slave station existing in the cell, the slave station response data storage command signal is supplied to the slave station response data storage means. If the source station of the received signal is a mobile station, the source station determination means for outputting a response command signal to the mobile station and the slave station data in the cell periodically output from the slave station response data storage means are used. When the response command signal to the mobile station is output from the transmitting station determination means, the mobile station response data is generated and output based on the cell internal station data. Even if the mobile station does not communicate with all the slave stations arranged in the area, it is possible to collect information in all the slave stations via the relay station with a simple structure and efficiently. Can be done.

According to a tenth aspect of the present invention, in the wireless information collecting system according to the first aspect, the mobile station includes the mobile station according to the second aspect and the relay station according to the eighth aspect as the relay station. Instead of the receiving means in the station, perform carrier sense of the received signal, when it is determined that the carrier exists, while outputting the carrier sense signal,
A carrier sense receiving means for demodulating a received signal and supplying the carrier sense demodulated signal to the identification information extracting means and the data extracting means; and a timer for newly outputting a timing signal at a predetermined intermittent interval; According to the timing signal, for a predetermined intermittent operation time, power is supplied to the carrier sense receiving means to perform an intermittent operation, and when the carrier sense signal is not output within the intermittent operation time, the power When the carrier sense signal is output, the intermittent operation is canceled and power is supplied to the identification information extracting means, the data extracting means, the transmitting station determining means, and the slave station response data storing means. When the transmission means completes the response transmission to the mobile station, the power supply is stopped and the intermittent operation is restarted. And the mobile station response data storage means outputs the intra-cell slave station data, power is supplied to the mobile station response data generating means, the transmitting means and the channel switching means, and the mobile station is used in the transmitting means. When the response transmission to the mobile station is completed, the power supply is stopped, and when the slave station calling command signal is output from the transmitting station determining means, the slave station calling signal generating means, the transmitting means, and the channel switching means. The transmission power supply control means for stopping the supply of the power when the transmission means completes the call transmission to the slave station. Instead of the slave station or the receiving means in these slave stations, the carrier sense of the received signal is performed, and when it is determined that the carrier exists, the carrier sense signal is transmitted. A carrier sense timer for outputting a demodulated received signal and outputting a demodulated signal, and a carrier sense timer for outputting a timing signal at a predetermined intermittent interval, a carrier sense signal and information. It comprises carrier sense receiving means, relay station calling signal identifying means, information collecting means, and power control means for controlling power supply to the transmitting means according to the end timing of the collecting command signal and the transmitting signal. Even if the station does not communicate with all the slave stations arranged in the area, it is possible to efficiently collect information in all the slave stations via the relay station with low power consumption.

The invention according to claim 11 of the present invention is the wireless information collecting system according to claim 1, wherein the mobile station has the mobile station according to claim 2 and the relay station is claim 8.
In addition to the configuration of the relay station described, a timer for outputting a timing signal set longer than the intermittent interval in the slave station, and intermittent timing correction data for correcting the intermittent timing of the slave station according to the timing signal. An intermittent timing correction data generating unit for generating and outputting the timing signal to the transmitting unit; and, in addition to the configuration of the slave station as the slave station, outputting a timing signal at substantially the same cycle as the timer of the relay station. 2 and the intermittent timing correction data obtained by the carrier sense receiving means,
It is provided with an intermittent timing correction receiving means for correcting the timing signal of the carrier sense timer, and even if the mobile station does not communicate with all the slave stations arranged in the area, all of them are transmitted via the relay station. It is possible to efficiently collect information at the slave station at a timing between the relay station and the slave station.

According to a twelfth aspect of the present invention, in the radio information collecting system according to the first aspect, the mobile station includes the mobile station according to the second aspect and the relay station is the first aspect.
In addition to the configuration of the relay station described in 0, a timer that outputs a timing signal set longer than the intermittent interval in the slave station, and intermittent timing correction data for correcting the intermittent timing of the slave station according to the timing signal And an intermittent timing correction data generating means for generating and outputting the timing signal to the transmitting means. In addition to the constitution of the slave station according to claim 10 as a slave station, a timing signal is output at substantially the same cycle as the timer of the relay station. A timer and an intermittent timing correction receiving means for correcting the timing signal of the carrier sense timer based on the intermittent timing correction data obtained by the carrier sense receiving means, wherein the mobile station is
Even if it does not communicate with all the slave stations arranged in the area, it collects information in all the slave stations via the relay station and keeps the timing between the relay station and the slave stations efficiently and with low power consumption. It can be carried out.

According to a thirteenth aspect of the present invention, in the slave station according to the eleventh or twelfth aspect, instead of the receiving means, another receiving means for receiving and demodulating in the first channel is provided, Instead of the transmitting means, the first input signal
Equipped with another transmitting means for modulating and transmitting in the channel of, and removing the channel switching means in the relay station,
It is characterized in that the communication between the relay station and the slave station is performed by the first channel, wherein the mobile station
Even if you do not communicate with all the slave stations arranged in the area, you can efficiently collect information in all the slave stations via the relay station with a simple configuration by setting the timing between the relay station and the slave stations. It can be carried out.

According to a fourteenth aspect of the present invention, in the radio information collecting system according to the first aspect, the mobile station has the mobile station according to the second aspect, and a relay station is not installed, and a mobile station is provided. In addition to the slave station according to claim 2, one of the slave stations collects information according to an information collection command signal instead of the slave station response data storage means in the relay station configuration according to claim 8. The information collecting means for outputting the obtained collected information and the information collecting instruction signal to the information collecting means according to the slave station response data storing instruction signal, and the obtained collecting information is outputted from the data extracting means. Replaced with the slave station response data storage means for storing together with the response data from other slave stations and outputting the data of all slave stations in the cell collectively as one data series in the cell when the storage of the data of all the slave stations in the cell is completed. Configuration Are those having the mobile station, can be performed efficiently collect information of all the slave stations located within the area without passing through the relay station.

According to a fifteenth aspect of the present invention, in the wireless information collecting system according to the first aspect, the mobile station has the mobile station according to the second aspect, and a relay station is not installed, and a mobile station is provided. In addition to the slave station according to claim 2, one of the slave stations collects information according to an information collection command signal instead of the slave station response data storage means in the relay station configuration according to claim 10. The information collecting means for outputting the obtained collected information and the information collecting instruction signal to the information collecting means according to the slave station response data storing instruction signal, and the obtained collecting information is outputted from the data extracting means. It is stored together with the response data from other slave stations, and when the storage of the data of all slave stations in the cell is completed, 1 is set as the slave station data in the cell.
It has a configuration in which it is replaced with a slave station response data storage unit that collectively outputs the data sequence, and a mobile station can efficiently collect information in all slave stations arranged in the area without going through a relay station. Can be done.

According to the sixteenth aspect of the present invention, when the relay station performs the intermittent operation, the time length of the call signal to the relay station output from the relay station call signal generating means in the mobile station is: The wireless information collection system according to claim 10 or 12, wherein the relay station has a length equal to or greater than an intermittent operation interval, and the mobile station can communicate with the mobile station by one call. It is possible to cancel the intermittent operation of the relay station existing inside, and to collect information efficiently.

According to a seventeenth aspect of the present invention, when the slave station performs the intermittent operation, the time length of the call signal for the slave station output from the slave station call signal generating means in the relay station is The length of the intermittent operation interval of the station is equal to or longer than the intermittent operation interval of the station.
4. The wireless information collecting system according to 4, wherein the intermittent operation of all the slave stations existing in the cell of the relay station can be canceled by one call from the relay station, and the reception mode can be set. Can be done efficiently.

According to the eighteenth aspect of the present invention, the relay station is arranged at a point outside the cell of the adjacent relay station, and the mobile station communicates with each one of the plurality of relay stations while moving. The wireless information collecting system according to any one of claims 1 to 17, characterized by performing the following.

The invention according to claim 19 of the present invention is characterized in that the wireless specifications of the information collecting mobile station, the relay station and the slave station are in accordance with the standard of the specific low power wireless station. The wireless information collecting system according to any one of 1 to 17.

According to a twentieth aspect of the present invention, the information collecting means in each slave station is a utility pole failure information collecting means for collecting failure information of the utility pole. Wireless information collection system.

According to a twenty-first aspect of the present invention, the information collecting means in each slave station is a meter reading information means for collecting meter reading information of public utility charges at home. Wireless information collection system.

According to a twenty-second aspect of the present invention, the information collecting means in each slave station is a sales information collecting means for collecting the sales information of the vending machine. Wireless information collection system.

(Embodiment 1) Hereinafter, claim 1 of the present invention
A first embodiment corresponding to Nos. 7 to 7 will be described with reference to the drawings. FIG. 1 shows the configuration of a wireless information collecting system according to the first embodiment of the present invention.
In FIG. 1, 100 is a mobile station which communicates with a relay station 120 through a first channel ch1 while moving 110
Collects information according to the call signal in the second channel ch2, and collects the acquired information in the second channel c.
slave station transmitting through h2, 120 is the first channel ch
To communicate with the mobile station 100 through the second channel c
It is a relay station that communicates with the slave station 110 through h2.

In the mobile station 100, 101 is a relay station call signal generation means for generating a call signal to the relay station 120, 102 is a transmission means for modulating and transmitting an input signal in ch1, and 103 is a demodulation of a reception signal in ch1. And 104 is a relay station response data storage means for extracting and storing response data from the relay station 120 from the input signal.

In the slave station 110, 111 is a receiving means for demodulating the received signal in ch2 and outputting the demodulated signal, and 112 is an information collecting command signal when the calling signal from the relay station is identified from the demodulated signal. Relay station call signal identification means, 113 collects information according to the information collection command signal, and information collection means for generating response data to the relay station 120 from the obtained collection information, 114 modulates the input signal in ch2 It is a transmission means for transmitting.

In the relay station 120, 121 is a receiving means for demodulating the received signal on ch1 and outputting the demodulated signal.
2 is a mobile station call signal identifying means that outputs a slave station call command signal when a call signal from the mobile station 100 is identified from the demodulated signal, and 123 is a slave station regular call that periodically outputs a slave station call command signal. Means, 124 is a slave station call signal generating means for generating a call signal to the slave station in response to the slave station call command signal, and 125 is an input signal c
Transmission means for modulating and transmitting in h2, 126 is ch2
At 127, the receiving means for demodulating the received signal and outputting the demodulated signal, 127 extracts and stores the response data transmitted from the slave station from the demodulated signal, and the storage of all the response data of the slave stations in the cell is completed. Later, a slave station response data storage means for collectively outputting as one data series in the cell slave station data, 128 is a mobile station response data generation means for generating response data to the mobile station 100 based on the slave station data in the cell, Reference numeral 129 is a transmission means for modulating and transmitting an input signal in ch1.

The information collecting means 113 in the slave station 110 is, for example, a utility pole failure information collecting means for collecting failure information of the utility pole, and it is assumed that the slave station 110 is installed on all the utility poles existing in the area. Further, the relay station 120 can communicate with several stations of the slave stations 110, and the relay station 120 is located outside the cell of the relay stations adjacent to each other, and the mobile station
It is assumed that 100 communicates with each of the relay stations 120 while moving.

Further, the receiving means 103, 111, 121, 126 and the transmitting means 102, 114, 125, 129 are, for example, receiving means and transmitting means according to a specific low power radio standard.

The operation of the wireless information collecting system configured as above will be described with reference to FIGS. 2 and 3. FIG. 2A is a flowchart showing the operation of the mobile station 100. While the mobile station 100 is moving, the relay station call signal generation means 101 generates a call signal for the relay station 120, and the transmission means 102 transmits the call signal on ch1 (S).
T1). After transmitting the calling signal, the receiving means 103 receives the response transmission from the relay station 120 in ch1 (ST2). When there is a response from the relay station 120 within a fixed time (ST3), the relay station response data storage means 104
In, the collected information in the slave station 110 existing in the cell of the relay station 120 is extracted from the demodulated signal and stored (ST
4). The mobile station 100 repeats the above operation.

FIG. 2B is a flow chart showing the operation of the slave station 110. The slave station 110 uses the receiving means 111 to ch
Reception is performed in 2 (ST5). When the relay station call signal identification means 112 identifies the call signal from the relay station 120 (ST6), the information collection command signal is supplied to the information collection means 113. The information collecting means 113 collects information (ST7), and based on the collected information obtained, the relay station
The response data to 120 is generated and supplied to the transmitting means 114. The transmitting means 114 transmits a response to the relay station 120 on ch2 (ST8). The slave station 110 repeats the above operation.

FIG. 3 is a flowchart showing the operation of relay station 120. The relay station 120 uses the receiving means 121 to
Reception is performed at 1 (ST11). In the mobile station call signal identification means 122, when the call signal from the mobile station 100 is identified from the demodulated signal output from the reception means 121 (ST12, 13), the mobile station call command signal is transmitted to the mobile station call signal generation means. Output to 124. Further, the slave station regular calling means 123 also periodically supplies the slave station calling command signal to the slave station calling signal generating means 124. When the slave station call command signal is input, the slave station call signal generation means 124 generates a slave station call signal (ST1
4) Supply to the transmitting means 125. In the transmitting means 125, c
The slave station call signal is transmitted at h2 (ST
15). The receiving means 126 receives the received signal on ch2 (ST16), and supplies the demodulated signal to the slave station response data storing means 127. In the slave station response data storage means 127, the transmitting station of the demodulated signal output from the receiving means 126 is
When it is determined that the mobile station 110 exists in the cell of the relay station 120 (ST17, 18), the response data from the mobile station 110 is extracted and stored (ST19). When the storage of the response data from all the child stations existing in the cell is completed (ST20), the response data from all the child stations are collectively output as one cell data in the cell as the child station data in the cell. The mobile station response data generation means 128 generates response data to the mobile station based on the intra-cell slave station data, and the transmission means 129
(ST21), and the transmitting means 129 transmits a response to the mobile station 100 on ch1 (ST2).
2).

As described above, according to the present embodiment, when the mobile station 100 moves at high speed and collects the collected information in the slave station, the mobile station 100 communicates with only the relay station 120 on ch1. All child stations in the cell 11
The collected information at 0 can be obtained, and the information can be collected efficiently. Also, by using different channels for the communication between the mobile station 100 and the relay station 120 and the communication between the relay station 120 and the slave station 110, the communication interference between the mobile station 100 and the slave station 110 is prevented. It becomes possible.

In the present embodiment, the configuration shown in FIG. 1 is used as the relay station 120, but the present invention is not limited to this, and the mobile station 100 is removed by removing the slave station regular calling means 123, for example.
The slave station may be called only when there is a call from the mobile station. Alternatively, for example, the receiving means 121 and the mobile station call signal identifying means 122 may be removed, and the slave station regular calling means 123 may periodically call the slave station. The station 110 may be called.

Information collecting means 113 in the slave station 100
Instead of, a timer 201 that outputs a timing signal at a certain fixed period, such as a slave station 200 shown in FIG.
Information collecting means 202 that collects information at fixed intervals according to the timing signal output from the timer 201 and stores the obtained collected information, and relay station call signal identifying means
When the information collection command signal is output from 112, the collection information stored in the information collection means 202 is called to generate response data to the relay station 120 and supply it to the transmission means 114 Relay station response data generation Means 203 and the slave station 200
Collects information in advance and stores the collected information in advance, and when the relay station 120 calls,
The collected information stored immediately may be sent as a response.

Further, as in the case of the slave station 300 shown in FIG. 5, for example, the response data output from the information collecting means 113 to the relay station 120 is delayed by a preset time and then supplied to the transmitting means 114. The means 301 is provided, and the delay time of the delay means 301 is set to a different time between the slave stations existing in the cell of the relay station so that collision does not occur in response transmission from the slave station to the relay station. Good.

Further, in the present embodiment, the configuration shown in FIG. 1 is used as the mobile station 100, but the present invention is not limited to this. If a response leakage or an error is found in the cell local station data transmitted from the relay station 120 by the mobile station call control means, the control means is provided, and the channels of the transmission means 102 and the reception means 103 are switched to ch2. By directly communicating with the slave station 110, it may be configured to prevent omission of information collection.

Further, according to the present invention, the relay station 120 and the slave station 110 are
Although only the ch2 is used for the communication with the communication device, the present invention is not limited to this. For example, in the cells of the adjacent relay stations,
The channels to be used may be different from each other, and the slave stations existing near the cell boundary of the relay station may be configured to reduce interference from a plurality of relay stations.

(Embodiment 2) Next, claim 8 of the present invention
A second embodiment corresponding to 9 and 9 will be described. In the present embodiment, the configurations of mobile station 100 and slave station 110 are the same as in the first embodiment. The difference from the first embodiment is that the relay station 120 is configured as shown in FIG. In FIG. 6, 400 is a relay station, 401 is an antenna,
402 is an antenna sharing means for sharing an antenna for transmission and reception,
403 is a receiving unit that demodulates the received signal in the channel corresponding to the channel switching signal and outputs the demodulated signal.
Is a transmission means for modulating and outputting the input signal in the channel corresponding to the channel switching signal, 405 is an identification information extracting means for extracting and outputting the identification information of the received signal from the demodulated signal, and 406 is a response of the received signal from the demodulated signal Data extraction means for extracting and outputting the data portion, 407 determines from the identification information of the received signal whether the transmitting station is a mobile station, a slave station existing in the cell, or other, and moves. If it is a station, it outputs a slave station call command signal, and if it is a slave station existing in the cell, it outputs a slave station response data storage command signal. In response to the store command signal, the response data from the slave stations output from the data extracting means 406 is stored, and after the storage of the response data from all the slave stations existing in the cell is completed, all the stored slaves are stored. Station response day Are stored together in one cell sequence as slave station data in the cell, and 409 outputs a switching signal to ch1 when response transmission data is output from the mobile station response data generation means 410. When the slave station call signal is output from the slave station call signal generation means 411, the channel switch means outputs a switch signal to ch2. Slave station call signal generation means 411 and mobile station response data generation means 410
Is the same as 124 and 128 in FIG.

In the wireless information collecting system configured as described above, the operation of the mobile station 100 and the slave station 110 is the same as that of the first embodiment. Below, relay station 40
The operation of 0 will be described with reference to FIG.

FIG. 7 is a flowchart showing the operation of relay station 400. Until the relay station 400 receives the call from the mobile station 100, the reception means 403 performs reception on ch1 (ST31, 32, 33) and outputs a demodulated signal. The identification information extraction means 405 extracts the identification information of the received signal from the demodulated signal output from the reception means 403 and supplies it to the transmission station determination means 407 (ST34). Based on the identification information output from the identification information extraction means 405, the transmission station determination means 407 determines whether the transmission station is the mobile station 100, the slave station 110 existing in the cell, or other. (ST35), if it is the mobile station 100, outputs a slave station call command signal to the slave station call signal generation means 411,
The slave station calling means 411 generates a slave station calling signal (ST43), the channel switching means 409 switches the channels of the transmitting means 404 and the receiving means 403 to ch2 (ST44), and then the call transmission to the slave station is performed (ST45). ), Ch2 moves to a mode for receiving a response from the slave station.

When the transmitting station determining means 407 determines that the transmitting station of the received signal is the slave station 110 existing in the cell (ST36), the slave station response data is stored in the slave station response data storing means 408. Output the store command signal. In the slave station response data storage means 408, the slave station response data is extracted from the data extraction means 406 in response to the slave station response data storage command signal (ST37), and the extracted slave station response data is stored (ST38). When the storage of the response data from all the slave stations existing in the cell is completed (ST39), the stored response data from all the slave stations is collected as one cell data in the cell into one data series to generate the mobile station response data. Means 410
Supply to When the mobile station response data generation means 410 outputs the intra-cell slave station data from the slave station response data storage means 408, the mobile station response data generation means 410 generates and outputs response transmission data to the mobile station 100 based on this (ST40). Channel switching means 40
In 9 the channel of the transmitting means 404 and the receiving means 403 is changed to
After switching to h1 (ST41), the transmitting means 404 transmits a response to the mobile station 100 (ST42).

As described above, according to the second embodiment,
Since relay station 400 is configured as described above, it is possible to configure one transmitting means and one receiving means, and the configuration is simpler than in the first embodiment described above.

In this embodiment, the relay station 400 has the configuration shown in FIG. 6, but the present invention is not limited to this, and the transmitting station determining means 407, the slave station calling signal generating means 124, and the mobile station response data generating means. Instead of 410, for example, a relay station 500 shown in FIG. 8, a timer 503 that outputs a timing signal for each predetermined period, and a relay station cell in the cell according to the timing signal output from the timer 503. Based on the identification information output from the identification information extraction means 405 and the slave station call signal generation means 504 for generating a call signal to the slave station existing in the cell station 110 existing in the cell If it is, the slave station response data storage command signal is supplied to the slave station response data storage means 408, and if the source station of the received signal is the mobile station 100, the mobile station 100
To the mobile station 100. The transmitting station determining means 501 for outputting a response command signal to the mobile station 100 and the in-cell slave station data periodically output from the slave station response data storing means 408 are stored. When a response command signal is output, mobile station response data generation means 502 that generates and outputs response data to the mobile station 100 based on the in-cell slave station data is provided. Information is collected from the slave stations 110 existing in the cell, the collected information is stored, and when the mobile station 100 calls, the mobile station immediately
A response may be transmitted to 100 to shorten the response time to the mobile station 100.

By configuring the relay station 500 as shown in FIG. 8, the channel used for communication between the mobile station and the relay station and the channel used for communication between the relay station and the mobile station. Can be the same.

(Embodiment 3) Next, claim 1 of the present invention
A third embodiment corresponding to 0 will be described. In this embodiment, the configuration of mobile station 100 is the same as that of the first embodiment, except that relay station 120 is configured as shown in FIG. 9 and slave station 110 is configured as shown in FIG. It is a point.

The relay station 600 of FIG. 9 differs from the configuration of FIG. 6 in that instead of the receiving means 403, the carrier sense of the received signal is performed, and when it is determined that a carrier exists, the carrier sense signal is transmitted. Carrier sense means for outputting and demodulating the received signal and outputting the demodulated signal
601 is additionally provided, and a timer 602 for newly outputting a timing signal at a predetermined intermittent interval, a carrier sense receiving means 601 and a data extracting means 406 according to the end timing of the timing signal, the carrier sense signal and the transmission signal. Identification information extraction means 405 and source station determination means 407
And a reception power control means 603 for controlling power supply to the slave station response data storage means 408, a slave station call command signal output from the transmission station determination means 407, and a slave station response data storage means.
The power supply to the slave station call signal generation means 411, the mobile station response data generation means 410, the transmission means 404, and the channel switching means 409 is controlled according to the end timing of the in-cell slave station data output from the 408 and the transmission signal. The transmission power supply control means 604 is provided.

Further, the configuration of the slave station 700 of FIG. 10 differs from that of the slave station 110 of FIG. 1 in that instead of the receiving means 111, carrier sensing of the received signal is performed and it is determined that a carrier exists. A carrier sense receiving means 701 for outputting a carrier sense signal, demodulating a received signal and outputting a demodulated signal, and newly providing a timer 702 for outputting a timing signal at a predetermined intermittent interval; Power control means 703 for controlling power supply to the carrier sense receiving means 701, relay station call signal identifying means 112, information collecting means 113, and transmitting means 114 according to the end timing of the sense signal, the information collecting command signal, and the transmitting signal. This is the point where and are provided.

The length of the relay station call signal output when the mobile station 100 calls the relay station 600 is set in the timer 602 of the relay station 600 by increasing the number of bit synchronization data, for example. The length of the slave station call signal output when the relay station 600 calls the slave station 700 is set longer than the intermittent interval, and is set in the timer 702 of the slave station 700 by increasing the number of bit synchronization data, for example. It should be set longer than the specified intermittent interval.

In the wireless information collecting system configured as described above, the operation of the mobile station 100 is the same as that of the first embodiment. Therefore, the operation of the relay station 600 and the slave station 700 will be described below. This will be described with reference to FIGS. 11 to 14.

11 to 13 are flowcharts showing the operation of the relay station 600. The relay station 600 normally performs intermittent operation (ST51), and the reception power control means 603
Power is supplied to the carrier sense receiving means 601 according to the timing signal output from the timer 602 (ST5
2) Perform carrier sense reception for a predetermined intermittent operation time (ST53). When the carrier sense receiving means 601 determines that there is a carrier (ST54), the carrier sense signal is supplied to the receiving power supply control means 603, and the received signal is demodulated and a demodulated signal is output. When the carrier sense signal is input, the reception power control means 603 supplies power to the identification information extraction means 405, the data extraction means 406, the transmission station determination means 407, and the slave station response data storage means 408 (ST55). When there is no carrier sense (ST54), and when the intermittent operation time has ended (ST56), the power supply to the carrier sense receiving means 601 is stopped (ST57).

In the identification information extracting means 405, the data extracting means 406, the transmitting station determining means 407 and the slave station response data storing means 408 which have been supplied with power in ST55, the same operations as those in the second embodiment are performed. That is, in FIG. 12, the received signal is demodulated by the carrier sense receiving means 601 (S
(T61), the identification information extracting means 405 extracts the identification information from the demodulated signal (ST62) and supplies it to the transmitting station determining means 407. In the transmitting station judging means 407, the identification information extracting means 405
Based on the identification information output from the mobile station 100
It is determined whether the mobile station is a local station 700 existing in the cell or other (ST63), and if it is the local station 700 in the cell (ST64), the local station response data storage means 408 Outputs a slave station response data storage command signal. In the slave station response data storage means 408, the slave station response data is extracted from the data extraction means 406 in response to the slave station response data storage command signal (ST65), and the extracted slave station response data is stored (ST66). When the storage of the response data from all the slave stations existing therein is completed (ST67), the transmission power supply control means 604 supplies electric power to the mobile station response data generation means 410, the channel switching means 409, and the transmission means 404. , And stores the response data from all the stored slave stations in one data series as the slave station data in the cell and supplies it to the mobile station response data creating means 410. When the mobile station response data generating means 410 outputs the intra-cell slave station data from the slave station response data storing means 408, the mobile station response data generating means 410 generates and outputs response transmission data to the mobile station 100 based on this (ST69), Transmission means 404 and reception means in channel switching means 409
After switching the 403 channel to ch1 (ST70),
The transmitting means 404 transmits a response to the mobile station 100 (ST
71). After completion of the response transmission, the transmission power supply control means 604 makes the mobile station response data generation means 410 and the channel switching means 40
9 and the power supply to the transmission means 404 are stopped (ST7
2).

When the judgment of the transmitting station judging means 407 is the mobile station 100 (ST64), as shown in FIG. 13, the transmission power source controlling means 604 includes the slave station calling signal generating means 411, the channel switching means 409 and the transmitting means. Power is supplied to 404 (ST81). The slave station call signal generation means 411 generates a slave station call signal (ST82), switches the channels of the transmission means 404 and the reception means 403 to ch2 by the channel switching means 409 (ST83), and then transmits the call to the slave station 700. After the transmission is completed (ST84), the transmission power control means 604 stops the power supply to the slave station call signal generation means 411, the channel switching means 409 and the transmission means 404 (ST85), and from the slave station 700 on ch2. Move to the mode to receive the response.

FIG. 14 is a flow chart showing the operation of the slave station 700. The slave station 700 normally performs intermittent operation (ST91), and the power supply control means 703 supplies power to the carrier sense receiving means 701 according to the timing signal output from the timer 702 (ST92), and ch2 is used. Carrier sense reception is performed for a predetermined intermittent operation time (ST93). When carrier sense receiving means 701 determines that a carrier exists (ST9
4) The carrier sense signal is supplied to the power supply control means 703, the received signal is demodulated, and the demodulated signal is output. When the carrier sense signal is input, power supply control means 703 supplies power to relay station call signal identification means 112 (ST95). When the relay station call signal identification means 112 identifies the call signal from the relay station 600 (ST96), it outputs an information collection command signal. The power supply control means 703 supplies power to the information collecting means 113 and the transmitting means 114 according to the information collecting command signal (ST9
7), the information collecting means 113 collects information (ST
88), after generating response data to the relay station 600 from the obtained collection information and transmitting a response from the transmitting means 114 to the relay station 600 on ch2 (ST99), stop each power supply and perform intermittent reception. Return to (ST100). If there is no carrier sense in ST94 and the intermittent operation time has ended (ST101), carrier sense receiving means 701.
The power supply to the power supply is stopped (ST102).

As described above, according to the present embodiment, by performing the intermittent operation in slave station 700 and relay station 600, it is possible to keep the power consumption in each station low. Furthermore, the relay station calling signal from the mobile station 100 is set longer than the intermittent interval of the relay station 600,
By making the slave station call signal from the slave station 700 longer than the intermittent interval of the slave station 700, it is possible to cancel the intermittent operation of the relay station 600 and the slave station 700 by one call, and collect information efficiently. Is possible.

(Embodiment 4) Next, claim 1 of the present invention
A fourth embodiment corresponding to Nos. 1, 12, and 13 will be described. In this embodiment, the configuration of mobile station 100 is similar to that of the first embodiment, except that relay station 120
Is a relay station 800 in FIG. 15, and the slave station 110 is a slave station 90 in FIG.
The point is 0.

In the relay station 800 of FIG. 15, in addition to the configuration of FIG. 6, a timer 801 which outputs a timing signal set longer than the intermittent interval in the slave station 900, and a slave station 900 of the slave station 900 according to the timing signal are output. Intermittent timing correction data generation means 802 for generating intermittent timing correction data for correcting intermittent timing. In addition, in the slave station 900 of FIG. 16, in addition to the configuration of FIG. 10, a timer 901 that outputs a timing signal at almost the same cycle as the timer 801 of the relay station 800, and an intermittent timing correction output from the carrier sense receiving means. Intermittent timing correction receiving means 902 for correcting the timing signal of the carrier sense timer 702 based on the data.

In the radio information collecting system configured as described above, the operation of the mobile station 100 is the same as that of the first embodiment, and the relay station 800 responds to the call from the mobile station 100 and the slave station 900. The operation of communicating with the mobile station 900 is the same as that of the second embodiment, and the operation of the slave station 900 responding to the call from the relay station 800 is the same as that of the third embodiment. Only the operation different from the above embodiment will be described.

In the relay station 800, when the timing signal is output from the timer 801, the intermittent timing correction data generating means 802 sends the ch2 signal to the channel switching means 409.
After supplying the switching signal to, the intermittent timing correction data for correcting the intermittent timing of the slave station 900 existing in the cell of the relay station 800 is generated and supplied to the transmitting means 404 for transmission. In the slave station 900, when the timing signal is output from the timer 901, the power control means 703 supplies power to the carrier sense receiving means 701. The intermittent timing correction receiving means 902 extracts intermittent timing correction data from the demodulated signal output from the carrier sense receiving means 701, and uses this to correct the timing of the timer 702.

As described above, according to the present embodiment, the intermittent operation timing of the slave stations existing in the cell of relay station 800 is periodically corrected and synchronized, and
When the mobile station calls the slave station 900 for information collection, the mobile station can call the slave station 900 in synchronization with the intermittent operation timing, and efficient communication between the relay station 800 and the slave station 900 becomes possible. .

In the present embodiment, the relay station 800 is configured so as not to perform the intermittent operation, but the present invention is not limited to this, and the intermittent operation may be performed as in the configuration of FIG. 9, for example. . At that time, the length of the relay station call signal output when the mobile station 100 calls the relay station 800 is set to the intermittent interval set in the timer 602 in the relay station 800 by increasing the number of bit synchronization data, for example. Set longer than.

Further, in the present embodiment, in the slave station 900, another receiving means for receiving and demodulating in the first channel is provided in place of the receiving means, and the input signal is given in place of the transmitting means. It is also possible to provide another transmitting means for modulating and transmitting in one channel, removing the channel switching means in the relay station, and performing the communication between the relay station and the slave station by the first channel.

(Embodiment 5) Next, claim 1 of the present invention
A fifth embodiment corresponding to Nos. 4 and 15 will be described. The present embodiment is different from the first embodiment in that one of a plurality of slave stations existing in the cell of relay station 120 is designated as slave station with relay function 1000 shown in FIG.
The relay station 120 is removed. 17, an antenna 401, an antenna sharing means 402, a receiving means 403, a transmitting means 404, an identification information extracting means 405, and a data extracting means 40.
6, source station determination means 407, channel switching means 409,
The mobile station response data generation means 410 and the slave station call signal generation means 411 have the same configurations as those of the second embodiment shown in FIG. 6 is different from the configuration of FIG. 6 in that instead of the slave station response data generating means 408, information collecting means 1001 for collecting information according to an information collecting command signal and outputting the obtained collected information, and slave station response data. In response to the storage command signal, the information collection command signal is output to the information collection means 1001, and the obtained collection information is stored together with the response data from the other slave station output from the data extraction means 406, This is a point provided with a slave station response data storage means 1002 which collectively outputs the data of one slave as intra-cell slave station data when storage of all slave stations is completed.

In the wireless information collecting system configured as described above, the operation of the mobile station 100 and the other slave station 110 is the first.
This is the same as the embodiment. In the slave station 1000 with the relay function, the call transmission to the mobile station 100 in response to the call from the mobile station 100 and the response transmission to the mobile station 100 are the same as the operation of the relay station 400 in the second embodiment. Is. The difference from the second embodiment is that the slave station response data storage means 1002 stores the response data from the slave stations existing in the cell, and the information collection means 1001 also collects information in its own station. The point is that the obtained collected information is output as slave station response data together with response data from other slave stations, and a response is transmitted to the mobile station 100.

As described above, according to the present embodiment, instead of relay station 120, one of the slave stations existing in the cell of relay station 120 is used as slave station with relay function 1000. It is possible to reduce the wireless equipment of the system.

In this embodiment, the slave station 1000 with the relay function is configured as shown in FIG. 17, but the configuration is not limited to this. For example, the slave station 1100 shown in FIG. 18 performs an intermittent operation. It may be a slave station with a relay function. This is shown in FIG.
The configuration of the relay station 600 is obtained by adding information collecting means 1001 and slave station response data storing means 1002.

Further, in each of the above-mentioned embodiments, the utility pole failure information collecting means for collecting failure information of the utility pole is assumed as the information collecting means in the slave station, but the present invention is not limited to this. For example, electricity, gas or water supply at home. It may be a meter reading information means for collecting the meter reading information of the public utility bill, a sales information collecting means for collecting the selling information of the vending machine, or may be used for collecting other information.

[0074]

As described above, according to the present invention, the mobile station communicates with only the relay station while moving at high speed,
Without communicating with all the slave stations arranged in the area,
It becomes possible to obtain collected information.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a wireless information collecting system according to a first embodiment of the present invention.

FIG. 2 (a) is a flowchart showing an operation procedure of a mobile station according to the first embodiment of the present invention. (B) is a flowchart showing an operation procedure of a relay station according to the first embodiment of the present invention.

FIG. 3 is a flowchart showing an operation procedure of a slave station according to the first embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of another application example of the slave station according to the first embodiment of the present invention.

FIG. 5 is a block diagram showing still another configuration of the slave station according to the first embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a relay station according to a second embodiment of the present invention.

FIG. 7 is a flowchart showing an operation procedure of a relay station according to the second embodiment of the present invention.

FIG. 8 is a block diagram showing a configuration of an application example of a relay station according to the second embodiment of the present invention.

FIG. 9 is a block diagram showing a configuration of a relay station according to a third embodiment of the present invention.

FIG. 10 is a block diagram showing a configuration of a slave station according to a third embodiment of the present invention.

FIG. 11 is a flowchart showing an operation procedure of a relay station according to the third embodiment of the present invention.

FIG. 12 is a flowchart showing an operation procedure of a relay station according to the third embodiment of the present invention.

FIG. 13 is a flowchart showing an operation procedure of a relay station according to the third embodiment of the present invention.

FIG. 14 is a flowchart showing an operation procedure of a slave station according to the third embodiment of the present invention.

FIG. 15 is a block diagram showing a configuration of a relay station according to a fourth embodiment of the present invention.

FIG. 16 is a block diagram showing a configuration of a slave station according to a fourth embodiment of the present invention.

FIG. 17 is a block diagram showing a configuration of a slave station with a relay function according to a fifth embodiment of the present invention.

FIG. 18 is a block diagram showing another configuration of the slave station with a relay function according to the fifth embodiment of the present invention.

FIG. 19 is a block diagram showing the configuration of an example of a conventional telemeter system.

[Explanation of symbols]

100 mobile station 101 relay station call signal generation means 102, 114, 125, 129, 404 transmission means 103, 111, 121, 126, 403 reception means 104 relay station response data storage means 110, 200, 300, 700, 900, 1000 ,
1100 slave station 112 relay station call signal identification means 113, 202, 1001 information collection means 120, 400, 600, 800 relay station 122 mobile station call signal identification means 123 slave station regular call means 124, 411, 504 slave station call signal generation Means 127, 408, 1002 Slave station response data storage means 128, 410, 502 Mobile station response data generation means 201, 503, 602, 702, 801, 901 Timer 203 Relay station response data generation means 301 Delay means 401 Antenna 402 Antenna sharing Means 405 Identification information extraction means 406 Data extraction means 407, 501 Originating station determination means 409 Channel switching means 601, 701 Carrier sense reception means 603 Reception power control means 604 Transmission power control means 703 Power control means 802 intermittent timing correction data generation means 902 intermittent timing correction reception means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Reference number within the agency FI Technical indication location H04Q 9/00 321 H04B 7/15 Z (72) Inventor Satoshi Tari, Kadoma City, Osaka Prefecture 1006 Kadoma Address: Matsushita Electric Industrial Co., Ltd. (72) Inventor Mune Sai Sai, 4-3 Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. (72) Inventor Koichi Shinozaki, Osaka City, Osaka Kita 3-3-22 Nakanoshima-ku, Kansai Electric Power Co., Inc. (72) Inventor Ken Ryo Sawada 3--3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc.

Claims (22)

[Claims] 1. A mobile station that repeats call transmission and response reception on a first channel while moving, and information is collected according to a call signal on a second channel,
It is placed at a point where it can communicate with a plurality of slave stations that transmit the obtained collected information on the second channel, and several slave stations among the plurality of slave stations, and is used as a call signal from the mobile station on the first channel. A wireless information collecting system having a plurality of relay stations which respond to the mobile station by calling the mobile station on the second channel, receiving a response signal from the mobile station, and transmitting the response to the mobile station on the first channel. 2. The mobile station includes a relay station call signal generating means for generating a call signal to the relay station while moving, and a transmitting means for modulating the call signal to the relay station by a first channel and transmitting the modulated call signal. Receiving means for receiving a response signal from the relay station in the first channel and outputting a demodulated signal; and a relay station response for extracting and storing response data transmitted from the relay station from the demodulated signal. Data storage means, the relay station receives the call signal from the mobile station in the first channel and outputs a demodulated signal, and the call signal from the mobile station from the demodulated signal Mobile station calling signal identifying means for outputting a slave station calling command signal, and slave station regular calling means for periodically outputting the slave station calling command signal, In response to a slave station call command signal, a slave station call signal generation means for generating a call signal for a slave station in a plurality of cells existing in a cell which is a communicable range of the relay station, and a call signal for a slave station in the cell Transmitting means for modulating and transmitting by a second channel, receiving means for receiving a response signal from the slave station in the second channel and outputting a demodulated signal, and transmitting from the demodulated signal from the slave station in the cell A slave station that extracts and stores the response data that has been stored, and after the storage of the response data from all of the slave stations in the cell of the relay station is completed, collectively outputs the plurality of response data as slave station data in the cell. Based on the response data storage means and the slave station data in the cell,
Mobile station response data generation means for generating response data to the mobile station, and transmission means for modulating response data to the mobile station by the first channel and transmitting the modulated data, the slave station Receiving means for receiving a call signal from the relay station in the second channel and outputting a demodulation signal, and relay for outputting an information collection command signal when the call signal from the relay station is identified from the demodulation signal Station call signal identifying means, information collecting means for collecting information according to the information collecting command signal, and generating response data to the relay station from the collected information obtained, and response data to the relay station The wireless information collecting system according to claim 1, further comprising: a transmitting unit that modulates and transmits the second channel. 3. The wireless information collecting system according to claim 2, wherein the slave station regular calling means in the relay station is removed, or the receiving means for the mobile station and the mobile station calling signal identifying means are removed. 4. A timer for outputting a timing signal at a certain fixed period as information collecting means in a slave station, information collection at the fixed period according to the timing signal, and storing the obtained collected information. Information gathering means to keep,
When the information collection command signal is output from the relay station call signal identification means, the collected information stored in the another information collection means is read, response data to the relay station is generated and supplied to the transmission means. 3. The wireless information collecting system according to claim 2, further comprising: relay station response data generating means. 5. The slave station comprises delay means for delaying the supply of the response data to the relay station output from the information collecting means to the transmitting means, and the delay time in the delay means is within the cell of the relay station. 3. The wireless information collecting system according to claim 2, wherein the time is set to be different between the slave stations existing in. 6. A response from the relay station extracted by the relay station response data storage means, comprising transmission means and reception means capable of switching channels according to a channel switching signal as transmission means and reception means in the mobile station. When a response omission or an error is found in the data, the output from the relay station call signal generation means is stopped, the channel switching signal to the first channel is supplied to the transmission means and the reception means, and Individual call data for a slave station having a response omission or an error is supplied to the transmitting means, and when the response data from the slave station is normally obtained, the receiving means and the transmitting means are switched to the second channel. 3. A slave station call control means for supplying a signal to restart the output from the relay station call signal generation means. The wireless information collection system described. 7. A communication channel between a relay station and a slave station,
The wireless information collecting system according to claim 2, wherein different relay stations in the cells are set to different channels. 8. A mobile station comprising the mobile station according to claim 2, wherein the relay station serves as an antenna and a first antenna for sharing the antenna for transmission and reception and outputting a signal received at the antenna. Means, a receiving means for demodulating the received signal output from the antenna sharing means in a channel corresponding to the channel switching signal and outputting a demodulated signal, and an input signal for modulating the input signal in the channel corresponding to the channel switching signal. Transmission means for supplying to the antenna sharing means, identification information extracting means for extracting and outputting identification information of the received signal from the demodulated signal, and response data part of the received signal from the demodulated signal for output. Data extraction means, from the identification information to determine whether the originating station of the received signal is a mobile station or a cell internal station or other, When the originating station is the mobile station, it outputs a slave station call command signal, and when the originating station is a slave station in the cell, it outputs a slave station response data storage command signal. And, in response to the slave station response data storage command signal, stores the response data of the slave station output from the data extracting means, and when all the response data of the slave stations in the cell of the relay station is stored, A mobile station response data storage unit that collectively outputs the response data of all the mobile stations in the cell as one cell series data in the cell, and generates response data to the mobile station based on the mobile station data in the cell. Mobile station response data generating means for outputting,
A slave station call signal generating means for generating and outputting a call signal for a slave station in a cell of the relay station according to the slave station call command signal, and a channel switching signal for switching the channels of the transmitting means and the receiving means. When the response data to the mobile station is output, a switching signal of the first channel is output, and when the call signal to the slave station in the cell is output, the second channel of the second channel is output. A wireless information collecting system having a channel switching means for outputting a switching signal and having the slave station according to claim 2 as a slave station. 9. The relay station according to claim 8, further comprising a timer that outputs a timing signal at predetermined intervals instead of the calling station determination means, the slave station call signal generation means, and the mobile station response data generation means. , Based on the identification information output from the identification information extraction means, and a slave station call signal generation means for generating a call signal for a slave station existing in the cell of the relay station according to the timing signal output from the timer. When the source station of the received signal is a slave station existing in the cell, the slave station response data storage command signal is supplied to the slave station response data storage means, and the source station of the received signal is a mobile station. In the cell, the transmitting station determining means for outputting a response command signal to the mobile station and the in-cell slave station data periodically output from the slave station response data storing means are stored. The mobile station response data generating means for generating and outputting response data to the mobile station based on the in-cell slave station data when the response command signal to the station is output. Wireless information collection system. 10. A mobile station having the mobile station according to claim 2 as a mobile station, and performing the carrier sense of a received signal as a relay station instead of the receiving means in the relay station according to claim 8.
When it is determined that the carrier exists, the carrier sense signal is output, the received signal is demodulated, and the carrier sense demodulated signal is provided with the carrier sense receiving unit that supplies the identification information extracting unit and the data extracting unit. In, a timer for outputting a timing signal at a predetermined intermittent interval, and according to the timing signal, for a predetermined intermittent operation time, by supplying power to the carrier sense receiving means to perform an intermittent operation, When the carrier sense signal is not output within the intermittent operation time, the power supply is stopped, and when the carrier sense signal is output, the intermittent operation is canceled.
Power is supplied to the identification information extracting means, the data extracting means, the transmitting station determining means, and the slave station response data storing means, and when the transmitting means completes the response transmission to the mobile station, the power supply is stopped and the intermittent operation is performed again. When the in-cell slave station data is output from the reception power source control means for starting, and the slave station response data storage means, power is supplied to the mobile station response data generating means, the transmitting means, and the channel switching means, When the transmission means completes the response transmission to the mobile station, the power supply is stopped, and when the source station determination means outputs the slave station call command signal, the slave station call signal generation means and the transmission are transmitted. Means and the channel switching means, and when the transmitting means completes the call transmission to the slave station, the transmission power control means for stopping the power supply. Has the door, as the slave station, according to claim 2
Alternatively, instead of the slave stations described in 4 or 5 or the receiving means in these slave stations, carrier sensing of a received signal is performed, and when it is determined that a carrier exists, a carrier sense signal is output and the received signal is demodulated. And a carrier sense receiving means for outputting a demodulated signal, and a new carrier sense timer for outputting a timing signal at a predetermined intermittent interval, and ending of a carrier sense signal, an information collection command signal, and a transmission signal. A wireless information collecting system comprising carrier sense receiving means, relay station calling signal identifying means, information collecting means, and power control means for controlling power supply to the transmitting means according to timing. 11. A mobile station having the mobile station according to claim 2 as a mobile station, and in addition to the configuration of the relay station according to claim 8 as a relay station, outputting a timing signal set longer than an intermittent interval in a slave station. 11. The slave station, comprising: a timer for performing the operation, and an intermittent timing correction data generating unit for generating intermittent timing correction data for correcting the intermittent timing of the slave station according to the timing signal and outputting the intermittent timing correction data to the transmitting unit. In addition to the configuration of the slave station, the timing signal of the carrier sense timer is generated based on the timer that outputs the timing signal at substantially the same period as the relay station timer and the intermittent timing correction data obtained by the carrier sense receiving means. A wireless information collecting system comprising: an intermittent timing correction receiving means for correcting. 12. A mobile station having the mobile station according to claim 2 as a mobile station, and in addition to the configuration of the relay station according to claim 10 as a relay station, outputting a timing signal set longer than an intermittent interval in a slave station. 11. The slave station, comprising: a timer for performing the operation, and an intermittent timing correction data generating unit for generating intermittent timing correction data for correcting the intermittent timing of the slave station according to the timing signal and outputting the intermittent timing correction data to the transmitting unit. In addition to the configuration of the slave station, a timer that outputs a timing signal at almost the same period as the timer of the relay station,
A wireless information collecting system comprising: an intermittent timing correction receiving means for correcting a timing signal of a carrier sense timer based on the intermittent timing correction data obtained by the carrier sense receiving means. 13. The slave station according to claim 11 or 12, wherein instead of the receiving means, another receiving means for receiving and demodulating in the first channel is provided, and instead of the transmitting means, the input signal is received. It is characterized in that another transmission means for modulating and transmitting in one channel is provided, the channel switching means is removed in the relay station, and the communication between the relay station and the slave station is performed by the first channel. The wireless information collecting system according to claim 11. 14. The mobile station has the mobile station according to claim 2, the relay station is not installed, the slave station has the slave station according to claim 2, and one of the slave stations is claimed. In place of the slave station response data storage means in the configuration of the relay station according to Item 8, information collection means for collecting information according to an information collection command signal and outputting the obtained collected information, and slave station response data storage command An information collecting command signal is output to the information collecting means in response to the signal, the obtained collected information is stored together with response data from another child station output from the data extracting means, and all the child stations in the cell are stored. Once the data is stored,
A wireless information collecting system having a configuration in which a slave station response data storage means for collectively outputting one data series as slave station data in a cell is replaced. 15. The mobile station has the mobile station according to claim 2, the relay station is not installed, the slave station has the slave station according to claim 2, and one of the slave stations is claimed. Item 10
Instead of the slave station response data storage means in the configuration of the described relay station, information is collected according to the information collection command signal,
An information collecting means for outputting the obtained collected information, an information collecting instruction signal for outputting to the information collecting means in response to the slave station response data storing instruction signal, and the obtained collected information outputted from the data extracting means And the response data from the slave station, and when the storage of the data of all the slave stations in the cell is completed, it is replaced with a slave station response data storage means for collectively outputting as one data series as the slave station data in the cell. Wireless information collecting system having. 16. When the relay station performs the intermittent operation, the time length of the call signal to the relay station output from the relay station call signal generating means in the mobile station is longer than the intermittent operation interval of the relay station. Claim 1 characterized in that
The wireless information collecting system according to 0 or 12. 17. When the slave station performs the intermittent operation, the time length of the call signal to the slave station output from the slave station call signal generating means in the relay station is equal to or longer than the intermittent operation interval of the slave station. Claims 1 and 1, characterized in that
The wireless information collecting system according to 1, 12, 13 or 14. 18. The relay station is arranged at a point outside the cell of the adjacent relay station, and the mobile station communicates with each of the plurality of relay stations while moving. 17. The wireless information collecting system according to any one of 1 to 17. 19. The radio according to claim 1, wherein the radio specifications of the information collecting mobile station, the relay station, and the slave station comply with the standard of the specific low-power radio station. Information collection system. 20. The information collecting means in each slave station is
The wireless information collecting system according to any one of claims 1 to 17, which is a utility pole failure information collecting means for collecting failure information of the utility pole. 21. The information collecting means in each slave station is
The wireless information collecting system according to any one of claims 1 to 17, which is a meter reading information unit that collects meter reading information of public utility charges at home. 22. The information collecting means in each slave station is
The wireless information collecting system according to any one of claims 1 to 17, which is a selling information collecting means for collecting selling information of the vending machine.