JPH08116570A - Radio communication equipment and radio communication system - Google Patents

Abstract

PURPOSE: To omit an undesired operation and to improve the convenience of use in the case of communication between slave sets by informing the operating state of one slave set among plural slave sets to other slave sets through a base station and allowing the slave set receiving the notice to display it to its display section. CONSTITUTION: A reception section 201 of a base station 101 receives data from an antenna 112, a data analysis section 202 decodes the data and stores the received state as each slave set information to a storage section 203. Then the information is sent to each slave set from a transmission section 204. A reception section 302 of a slave set 104 receives the information by an antenna 112, an analysis section 303 analyzes it to discriminate a number of the slave set, a state of the slave set and whether or not the slave set is available. Each slave set informs a state change to a control section 309 and a transmission section 301 sends it to the base station through a control channel. When the user desires to observe the information, the user operates a key 305 to make a display request, then the key information is decoded by an operation section 306 and each slave set information is read from the storage section 304 and a display control section 307 displays slave set information to a display section 308.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication device and a wireless communication system, and more particularly to improving the usability of communication between slave units when the system comprises a base station and a plurality of slave units. The present invention relates to a wireless communication device and a wireless communication system used as a digital cordless telephone.

[0002]

2. Description of the Related Art Standards for digital cordless telephone systems are stipulated in the Second Generation Cordless Telephone System Standards, 1st Edition, published on December 18, 1992 by the Radio System Development Center of Japan.

According to this, the base station side radio apparatus has a maximum of four simultaneous control channels and communication channels in time division, and control information is always transmitted to the controlled area by the control channel. . When making a call from the slave, the control channel requests the base station to allocate a communication channel. The base station requested to be assigned notifies the frequency and time-division slot in which communication is possible.

The cordless handset sets up a call with the base station through the assigned call channel, and the base station notifies the other side of the call setting request through the exchange, and when the other side sets the call, mutual call is made. Start.

When an incoming call is made to a child device, incoming call information is notified to the child device through a control channel. Therefore, the slave requests the allocation of the communication channel, and notifies the callable frequency and the time division slot at the requested base station. The slave sets up a call with the base station on the assigned communication channel, and starts a mutual call with the other side through the exchange. Here, the call settings of the base station and the slave unit are mutually independent, and the maximum number of simultaneous communication channels that the base station can simultaneously realize is three.

[0006]

In the conventional digital cordless system, the call states of a plurality of slave units under the control of one base station, that is, the other slave units are in standby, in a call, while the power is stopped, etc. I couldn't get the information from other slaves. Therefore, when a call is made from a certain slave unit, even if all the call channels that can be controlled by the base station are used by other slave units and the call cannot be made, the reason why the slave unit cannot make a call is known. However, there is a problem in that the user who makes a call needs an unnecessary operation such as performing a call operation until a call can be made.

The present invention has been made to solve the above-mentioned problems of the prior art, and an object thereof is to mutually know the communication states of the slave units when there are a base station and a plurality of slave units. It is possible to provide a wireless communication device and a wireless communication system that are easy to use when communicating with each other by enabling unnecessary operations when communicating with each other. .

[0008]

In order to achieve the above object, the structure of the invention relating to a wireless communication device of the present invention is a wireless communication device having wireless communication means, wherein a plurality of wireless communication devices are used, When used in a system in which calls are alternately set and mutual communication is performed, a means for notifying the call status between the respective wireless communication devices to other wireless communication devices is provided.

Another configuration has a device for storing the state of each wireless communication device of the plurality of wireless communication devices that are transmitting and receiving, in a wireless communication device that can transmit and receive in common from a plurality of wireless communication devices. The wireless communication device that stores the state is a device that notifies the stored state to another wireless communication device.

In order to achieve the above-mentioned object, the configuration of the invention relating to the wireless communication system of the present invention is a wireless communication apparatus including one or more base station wireless communication apparatuses and a plurality of slave wireless communication apparatuses. In the communication system, the plurality of slave units have means capable of wirelessly communicating with the one or more base stations, and the usage state of one slave unit among the plurality of slave units is through the base station. , Is notified to other child devices.

Another configuration is a wireless communication system including a wireless communication device serving as one or more base stations and a wireless communication device serving as a plurality of slave units, wherein the plurality of slave units are
The base station stores a use state of the plurality of slave units in a unit capable of performing wireless communication with the one or more base stations, and each slave unit is provided with another slave unit through the base station. This is to notify whether or not the child device can be used.

[0012]

In the base station, the communication state of each slave unit is stored and the other slave units are notified of it. In the slave unit, the communication status of other slave units and, in some cases, whether communication is possible or not can be displayed on the display unit, so the user can call the other slave units only when communication is possible. There is an effect that you do not do.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below with reference to FIGS. First, a system configuration diagram of the wireless system according to the present embodiment will be described with reference to FIG. FIG. 1 is a system configuration diagram of a wireless system according to the present embodiment.

Reference numeral 101 is a base station, which is connected to the exchange 103 by a telephone line 102. In addition, the base station 101 is provided with the antenna 11 to the child devices 104 to 111 in the area.
2 through a wireless line. In this system, when the base station is connected to the exchange through the telephone line 102 by a plurality of lines, a plurality of slave units are connected to the base station.
You can set up calls at the same time. Each slave unit notifies the base station of the information through the control channel when there is a change in its state, power-off state, power-on standby state, communication state, or the like.

Next, the internal configurations of the base station and the slave will be described with reference to FIG. FIG. 2 is a block diagram showing the internal configurations of the base station and the slave unit.

First, the internal structure of the base station will be described. As shown in FIG. 2A, in the base station, the data transmitted by the antenna 112 is received by the wireless reception unit 201. Then, these pieces of information transmitted by the data analysis unit 202 are decoded, and the state transmitted as the information of each child device is stored in the data storage unit 203. Further, this information is transmitted by the wireless transmission unit 204 to each child device. The wireless reception unit 201, the data analysis unit 202, and the wireless transmission unit 204 in the base station are controlled by the control unit 205.

Further, one of the time division slots is assigned to the channel for transmitting the control information, and the channel is always transmitted from the base station.

Next, the internal structure of the slave unit will be described.
As shown in FIG. 2B, when the power is turned on, the slave set in the standby state always receives the control information from the base station. Data is received by the wireless reception unit 302 through the air line 112, and the data analysis unit 303
This control information is analyzed as data. The data information includes the number of each child device, the state of the child device, and the like. Of course, depending on the state of the child device, it can be determined whether or not the child device is currently available. The analyzed data is
It is stored in the data storage unit 304. When information different from the stored information is input as the control information, this information is rewritten.

On the other hand, each slave unit controls the state change by the control unit 30.
9 is notified, and the control unit 309 transmits from the wireless transmission unit 301 to the base station using the control channel. When the user wants to see this information, he or she operates the key 305 of the child device to input a display request for this information. The input key information is decrypted by the operation unit 306. By this display request, the information of each child device is read from the data storage unit 304,
The display control unit 307 displays the handset device information on the display unit 308. The wireless reception unit 302, the data analysis unit 303, the operation unit 306, and the display control unit 307 in the child device are the control unit 30.
9 respectively.

Next, a display example of the communication status in the slave unit will be described with reference to FIG. FIG. 3 is a front view of the slave unit when the communication state is displayed on the display unit.

In the example of FIG. 3A, the slave unit number of the slave unit whose status is to be displayed is displayed as "P1", and the slave unit status during communication is displayed as "COMMUNICATION".

Further, in the example of FIG. 3B, it is shown that the slave unit with the slave unit number "P2" can be used and can be called from another slave unit.

The display states can be switched by the display mode switching key k1. In addition, by pressing the scroll key k2, the display information can be displayed one after another by the scroll control function.

[0024]

According to the present invention, when there is a base station and a plurality of slave units, the communication states of the slave units can be mutually known, and unnecessary when communicating between the slave units. It is possible to provide a wireless communication device and a wireless communication system that are easy to use when communicating with each other by eliminating the need for operation.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of a wireless system according to an embodiment.

FIG. 2 is a block diagram showing an internal configuration of a base station and a slave unit.

FIG. 3 is a front view of the child device when the communication state is displayed on the display unit.

[Explanation of symbols]

101 ... Base station 102 ... Telephone line 103-
111 ... Slave device 112 ... Antenna 201 ... Wireless receiving unit 202 ... Data analysis unit 203 ...
Data storage unit 204 ... Wireless transmission unit 205 ... Control unit 301 ... Wireless transmission unit 302 ... Wireless reception unit 303 ...
Data analysis unit 304 ... Data storage unit 305 ... Key 306 ...
Operation unit 307 ... Display control unit 308 ... Display unit 309 ...
Control unit k1 ... Display mode switching key k2 ... Scroll key

Front page continuation (72) Inventor Ichiro Murata, 216 Totsuka-cho, Totsuka-ku, Yokohama, Kanagawa Prefecture, Ltd. Information & Communication Division, Hitachi, Ltd. Telegraph and Telephone Co., Ltd. (72) Inventor Yukihiro Shimura 5-7-1, Shiba, Minato-ku, Tokyo Inside NEC Corporation (72) Inventor Reiko Nakazato 1-7-12 Toranomon, Minato-ku, Tokyo Oki Electric Industry Co., Ltd.

Claims (4)

[Claims] 1. A wireless communication device having wireless communication means, wherein when a plurality of the wireless communication devices are used in a system in which calls are alternately set and mutual communication is performed, a call between the respective wireless communication devices is provided. A wireless communication device comprising means for notifying a state to another wireless communication device. 2. A wireless communication device capable of transmitting and receiving in common from a plurality of wireless communication devices, having a device for storing a state of each wireless communication device of the transmitting and receiving wireless communication devices, and storing the state. The wireless communication device is a wireless communication device that notifies another wireless communication device of the stored state. 3. A wireless communication system comprising a wireless communication device serving as one or more base stations and a wireless communication device serving as a plurality of slaves, wherein the plurality of slaves are connected to the one or more base stations. A wireless communication system having means for performing wireless communication, wherein the usage state of one of the plurality of slaves is notified to another slave through the base station. 4. A wireless communication system comprising a wireless communication device serving as one or more base stations and a wireless communication device serving as a plurality of slaves, wherein the plurality of slaves are connected to the one or more base stations. The base station stores the use states of the plurality of slave units, and notifies each slave unit of the availability of other slave units to the slave unit through the base station. A wireless communication system comprising: