KR100198217B1 - Reserve processing method for mobile telephone system - Google Patents

Abstract

The present invention relates to a reserved access method of a mobile telephone system, comprising: an access time checking step of storing access information of a reserved access command received from a predetermined mobile terminal and continuously checking a reserved access time; An initializing terminal call number initialization step of initializing the number of calls of the originating terminal that has requested the reserved access by reading the stored access information when the reserved access time arrives; Calling the called terminal requesting the reserved connection for a predetermined number of times, and if there is a response, initializing the called number of the called terminal for resetting the reserved number of called terminals; and calling the called terminal for a predetermined number of times to answer the call path. Forming a call to make a call between the incoming, outgoing call, characterized in that it comprises a step of forming a call in advance in the area with a high volume of calls can increase the call connection rate, the user will forget the call to be made at a specific time In this case, the user's convenience can be improved.

Description

How to handle reservation connection of mobile phone system

1 is a configuration diagram schematically showing the configuration of a personal communication system.

2 is a block diagram showing the configuration of the base station for personal communication shown in FIG.

3 is a flowchart of reservation access processing according to an embodiment of the present invention.

4 is a diagram illustrating a reserved access command structure of FIG.

* Explanation of symbols for main parts of the drawings

1 mobile terminal 2 base station

3: base station controller 4: mobile telephone exchange

5: certification center 6: public switched telephone network (PSTN)

21: digital division subsystem 22: timing function subsystem

23: wireless transmission and reception subsystem 24: antenna connection subsystem

25: base station management subsystem 26: power supply subsystem

The present invention relates to a communication method in a cellular mobile phone system. In particular, when a call needs to be made to an arbitrary mobile terminal in a region or a specific time when a call success rate is low, the access procedure is automatically registered by registering an access time and a called terminal in a base station. A reservation connection method of a mobile telephone system to be performed.

Recently, with the rapid development of communication technology, a personal communication system has been developed and generalized so that an individual can communicate with another person while moving from an arbitrary place or from one place to another.

Such a personal communication system has a cellular technology that expands the number of base stations by reusing a frequency to efficiently use a limited radio resource, and a multiple access technology that uses a frequency by several subscribers at the same time.

Here, the multiple access technologies and types are divided into frequency division multiple access (FDMA), time division multiple access (TDMA), and code division multiple access (CDMA). In this regard, TDMA is widely used worldwide because of the stability of the system and the high degree of perfection of technology.

1 is a block diagram schematically showing the configuration of a cellular mobile phone system. In the drawing, reference numeral 1 denotes a terminal to be carried by an individual, and 2 (2 _{1 to} 2n) identify positions of a plurality of mobile terminals 1 A base station that performs transmission and reception of radio signals to the mobile terminal 1, conversion of communication protocols, encryption / decryption, etc., and 3 (3 ₁ to 3n) manage each of the plurality of base stations (2: 2 ₁ -2n). A base station controller that performs functions such as allocation control and handover decision of a communication channel for (1).

In addition, reference numeral 4 denotes through the base station controller 3 to process and connect the call requests required by the various base stations 2 and continue processing the signal until the end of the call, the overall management of all base stations (2), In addition to the coordination / control functions, the management of subscriptions of all mobile terminals 1, the charging function, the recording and keeping of which cell the mobile terminal is in, and the public switched telephone network (PSTN) 7 are connected to the general wired terminal. A mobile telephone switchboard having a function of connecting the mobile terminal 1, 5 stores a unique number, a billing standard, and the like for each mobile terminal 1 accommodated therein, so that the mobile telephone switch 4 is an arbitrary mobile terminal. It is a certification center that can execute the licensing and billing process for (1).

The base station controller 3 and the base station 2 transmit and receive data according to the LAPD protocol and the base station 2 and the mobile terminal 1 according to the LAPDm protocol.

In the cellular mobile telephone system having the above configuration, when any mobile terminal 1 is located in an arbitrary area, the base station 2 having jurisdiction over the area checks the existence of the corresponding mobile terminal 1, and the base station controller ( 3), the mobile telephone exchange 4 confirms the registration state of the mobile terminal 1 requesting the call through the base station controller 3 from the authentication center 5 and then calls the base station 2 through the call. By assigning an encryption code or the like necessary for the mobile terminal 1 is set to the available state, and the call from the other mobile terminal 1, etc. are connected to the mobile terminal (1).

FIG. 2 is a block diagram showing the configuration of the base station 2, and reference numeral 21 in the figure is in charge of the interface with the base station controller 3, and is a digital distribution subsystem for transmitting and receiving traffic signals, and 22 is the digital. A timing function subsystem receives a reference clock from a distributed subsystem and outputs a timing signal. 23 is a baseband signal processing, baseband modulation and demodulation, physical layer control, LAPDm / A wireless transmit / receive subsystem that performs LAPD functions, manages radio resources, and wireless transceivers.

The reference numeral 24 is connected between the antenna and the wireless transmission / reception subsystem 23 to perform a wireless interface, and performs an RF (Radio Frequency) carrier coupling / division, an RF and antenna test function, and an antenna that performs transmission / reception signal separation. Connection subsystem, 25 monitors the operation status of each of the subsystems 21-26 constituting the base station, and transmits the result to the base station controller 3, and receives a command from the base station controller 3 A base station management subsystem for managing (2), 26 is a power supply subsystem for supplying necessary power to all the subsystems 21-25 constituting the base station.

However, in areas with high call volume, the base station arbitrarily restricts the call access terminals, making it difficult to make a call at a desired time and forgetting the call appointment due to the busy schedule even though the call must be made at a specific time. there was.

Accordingly, the present invention provides a reservation connection processing method of the mobile telephone system to automatically make a call connection by storing the connection time and the number of the destination terminal when the mobile terminal requests a reservation connection to solve the above problems. Has its purpose.

In order to achieve the above object, the present invention provides an access time checking step of storing access information included in the command and continuously checking the reserved access time when a reserved access command is received from a predetermined mobile terminal; An initializing terminal call count initialization step of initializing the number of calls of the originating terminal that has read the reservation request; A call terminal initialization step of invoking the calling terminal requesting the reserved connection for a predetermined number of times, ending the call processing if there is no response, and initializing the number of calls of the reserved called terminal if there is a response; Calling the called terminal for a predetermined number of times, and if there is no response, notifying the calling mobile terminal of the impossibility of connection and ending the call processing, and if there is a response, forming a call path so as to make a call between incoming and outgoing calls; It is characterized by.

That is, according to the present invention as described above, it is possible to increase the call connection rate by reserving the call in advance in the area with high call volume, and improve the user's convenience because the user can be connected even if the user forgets the call to be made at a specific time. do.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

3 is a flowchart of a reservation access processing according to an embodiment of the present invention. When a reservation access command such as FIG. 4 is received from an arbitrary mobile terminal (ST 51), connection information included in this command, that is, a reservation access request The terminal number 62, the reserved connection time 63, and the reserved destination terminal number 64 are stored (step ST 52), and the reservation connection time is continuously checked (step ST 53).

When the access time is reached, the stored access information is read (ST 54), the calling number of the calling terminal that applied for the reserved connection is initialized (ST 55), and after the attempt is made (ST 56), the number of calls is read. It increments once (step ST 57) and confirms the response from the mobile terminal (ST 58).

If there is no response, check whether the number of calls is 5 or more times (step ST 59), otherwise, the process transitions to the step of calling the reserved access request terminal (step 56). .

On the other hand, if there is a response, the scheduled number of called terminals is initialized (ST 60), the mobile terminal is called (ST 2), and the number of calls is increased once (ST 62). Confirm the response from the step (ST 64).

In this case, if there is no answer until the number of calls is 5 or more times, the calling mobile terminal is notified of the connection failure and the call processing is finished. If there is a response, a call is established to make a call between the caller and the caller. step).

4 is a reservation connection command structure diagram of FIG. 3, which includes a head 61 representing a reservation connection command, a reservation connection request terminal number 62 for requesting a reservation connection, a reservation connection time 63 for which a connection is made, and the reservation connection. It consists of a reserved called terminal number 64, which indicates the terminal that will be called in time.

That is, according to the above embodiment, it is possible to increase the call connection rate by reserving a call in advance in an area with a large amount of call, and to improve the user's convenience since the call can be accessed even if the user forgets to make a call. .

Claims (3)

A mobile telephone system having a base station that has jurisdiction over a plurality of terminals and performs call connection processing with a called terminal on the basis of call request data received from an arbitrary terminal, wherein the reservation telephone command is received from the mobile terminal. The reservation information storage step of reading a reservation connection command, and when the reservation connection command is received from a random mobile terminal in the reservation connection command confirmation step, the reservation information storage step of reading and storing predetermined reservation information from the received reservation connection command, the reservation information storage step In the reservation time check step of comparing the reservation time and the current time stored in the step, if the current time in the reservation time check step, the call for sending the call setup message to the calling terminal and the called terminal stored in the reservation information storage step The message sent in the setting message sending step, and the call setting message sending step If from the calling terminal and the called terminal for the set-up message call establishment response message is received, the reserved connection processing method of a mobile phone system, characterized in that configured to include a call connection and performing a connecting operation call between the calling terminal and the called terminal. The terminal of claim 1, wherein the reserved access command comprises a head field indicating a reserved access command, a reserved connection request terminal number field for requesting a reserved connection, a reserved access time field for making a connection, and a terminal received at the reserved access time. A reservation connection processing method for a mobile telephone system, characterized by comprising a reserved called terminal number field. The method of claim 1, wherein the call setting message sending step comprises: a call terminal setting message sending step of sending a call setting message to a calling terminal when the reserved access time arrives, and the call setting response message is more than a predetermined number of times from the calling terminal. If it is not received, when the call setup response message is received from the calling terminal in the reservation connection termination step of terminating the reservation connection operation and the sending terminal call setting message sending step, the called terminal setting message sending a call setting message to the called terminal. When the call setup response message is received from the called terminal in the sending step, the called terminal call setting message sending step, by performing a call connection between the two terminals by sending a predetermined ring signal to the calling terminal and the receiving terminal; Call setting response from the called terminal more than a predetermined number of times in the sending terminal symbol setting message sending step. If the message is not received, the reserved connection processing method of a mobile phone system, characterized in that the call can not be configured message to the call message can not be sent out step for sending out to the originating terminal.