JP2926562B1 - Character message transmission method and device in PHS system - Google Patents

Character message transmission method and device in PHS system

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Publication number
JP2926562B1
JP2926562B1 JP10016962A JP1696298A JP2926562B1 JP 2926562 B1 JP2926562 B1 JP 2926562B1 JP 10016962 A JP10016962 A JP 10016962A JP 1696298 A JP1696298 A JP 1696298A JP 2926562 B1 JP2926562 B1 JP 2926562B1
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JP
Japan
Prior art keywords
text message
transmission
signal
facch
base station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP10016962A
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Japanese (ja)
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JPH11215568A (en
Inventor
雅一 柴田
Original Assignee
日本電気移動通信株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気移動通信株式会社 filed Critical 日本電気移動通信株式会社
Priority to JP10016962A priority Critical patent/JP2926562B1/en
Application granted granted Critical
Publication of JP2926562B1 publication Critical patent/JP2926562B1/en
Publication of JPH11215568A publication Critical patent/JPH11215568A/en
Active legal-status Critical Current

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Abstract

A method and apparatus for sending a text message to a partner terminal during a call from a PHS terminal. SOLUTION: In a call connection state by SACCH, a conversion request signal to a high-speed associated control channel FACCH is transmitted by FACCH to a base station (step (hereinafter referred to as S) S-22). In response to this, the base station returns a confirmation signal UA by FACCH (S-23), thereby transmitting a text message (S-24, 25). When the transmission of the text message is completed, the transmitting terminal transmits a transfer completion notification signal to the base station (S-26). When the base station returns a confirmation signal UA for the store transfer completion notification signal, SACC
The state returns to the call connection state by H (S-28).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for transmitting a text message in a PHS system, and more particularly, to a method for transmitting a text message.
The present invention relates to a method and apparatus for performing transmission of a text message generated during a call in an HS system.

[0002]

2. Description of the Related Art Conventionally, when transmitting a text message in a PHS system, it was necessary to temporarily stop the telephone call in the PHS and perform a procedure for transmitting the text message again.

[0003]

In the above-described conventional PHS system, a character message transmission request generated during a PHS call requires disconnection of the call and another operation of character message transmission. After sending the text message, the previous call connection operation has to be restarted again, which has the disadvantage that it requires time and labor.

An object of the present invention is to provide a method and an apparatus for eliminating such waste and enabling a call that has been temporarily stopped after sending a text message to be resumed without the need for immediate reconnection, even if the call is temporarily stopped. That is.

[0005]

According to the present invention, there is provided a method for transmitting a text message during a call in a PHS system, comprising the steps of: holding a call and performing a text message transmission request signal transmitting operation; Upon receiving the request signal, returning a reception acknowledgment signal to set a text message reception transfer enable state; transmitting a text message when the text message transmission requesting user terminal receives the acknowledgment signal; Sending a transmission end signal when the transmission of the text message is completed, transmitting a text message transfer completion confirmation signal after receiving the transmission signal by the base station, and transmitting the text message. Hold suspended when the requesting user receives the above-mentioned text message transfer end confirmation signal Resume the call has a step.

[0006] The busy channel is the SACCH which is a low-speed associated control channel, and is a communication channel from a transmission signal by a text message transmission request signal transmission operation transmitted by the user terminal to a text message transfer end confirmation signal transmitted by the base station. Is a high-speed associated control channel FACC
H is an embodiment of the present invention.

A signal transmitted from the user terminal by a character message transmission request signal transmission operation is FACC.
H is sent before the SABM in a text message transmission request signal, and the text message transmission end signal is
H, which is output in addition to the DISC signal by H and is transmitted by the base station.
The use of a UA signal by H is another embodiment of the present invention.

[0008] It is also included in the present invention that the transmission of the text message is a communication to a pager.

The apparatus for transmitting a text message during a call in the PHS system according to the present invention is a means for transmitting a text message transmission request signal when a user holds a call and performs a text message transmission request signal transmission operation. When the base station receives the text message transmission request signal, the base station returns a reception acknowledgment signal and sets the text message reception and transfer enable state; and when the text message transmission requesting user terminal receives the reception acknowledgment signal, Means for sending a text message; means for sending a sending end signal when the user terminal finishes sending the text message; and, when the base station receives the sending end signal , processing for resuming the call and a text message transfer end confirmation signal. Means for sending
Means for resuming the held call when the text message transmission requesting user terminal receives the text message transfer end confirmation signal.

[0010] Further, the busy channel is a SACCH which is a low-speed associated channel, and a character message transfer end confirmation signal transmitted by the base station from a signal transmitting means by a character message transmission request signal transmitting operation transmitted by the user terminal. It is an embodiment of the present invention that the communication sending means up to the means uses FACCH which is a high-speed associated control channel.

A signal transmitted from the user terminal by a character message transmission request signal transmission operation is FACC.
H, which is output prior to SABM in a text message transmission request signal, and the text message transmission end signal is FACC
H, which is output in addition to the DISC signal by H and is transmitted by the base station.
The UA signal according to H is still another embodiment of the present invention.

[0012]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a sequence chart of an embodiment of a method for transmitting a text message in a PHS system according to the present invention.

When a request for a text message occurs during a telephone call in the PHS system (step 21), the user first notifies the other party of the suspension of the telephone call and operates the telephone. Then, the user operates the low-speed associated control channel SACCH used for the telephone call. A character message transmission request signal by the high-speed associated control channel FACCH is added to the SABM before transmission (step 2).
2).

When the base station receives the SABM and the transmission request signal, it sets reception and transfer by FACCH, returns a reception confirmation signal UA by FACCH (step 23), and when the user receives this confirmation signal UA, the base station An operation for sending a character message is performed (steps 24 and 2).
5) When the transmission of the text message is completed, a text message transmission end signal is added to the DISC and transmitted (step 26).

When the base station receives the DISC, it sends a character message transfer end confirmation signal UA (step 2).
7) Return the speech channel to SACCH.

Upon receiving the UA, the user sets FACCH to S
Return to ACCH, switch to call resumption and release the pause (step 28).

FIG. 2 is a sequence chart of transmitting a text message during a call from the base station to the receiving terminal. This is exactly the same as the sequence chart from the transmitting terminal to the base station shown in FIG.

That is, from the base station to the partner terminal,
Low-speed associated control channel SACCH used for communication
Sends a text message on the high-speed associated control channel FACCH to the SABM in advance (step 31).

When the partner terminal receives the SABM, it receives the FACC
H, reception and transfer are set, and a reception acknowledgment signal UA is returned on the FACCH (step 32). When the base station receives the acknowledgment signal UA, an operation of transmitting a text message by the FACCH is performed (steps 33 and 34). When the transmission of the text message is completed, the transmission is added to the text message transmission end signal DISC (step 3).
5).

When the other terminal receives the DISC and the completion character message completion signal, it transmits a confirmation signal UA (step 36) and returns the communication channel to the SACCH.

Upon receiving the UA, the base station sets FACCH to S
Return to ACCH, switch to call resumption and release the pause (step 37).

FIG. 2 is a sequence chart of transmitting a text message during a call from the base station to the receiving terminal. This is the same as the sequence chart from the transmitting terminal to the base station shown in FIG.

FIG. 3 is a functional block diagram of the PHS terminal. The PHS terminal includes a wireless unit 1 for wireless transmission / reception, a recording / reproducing IC for recording / reproducing, a memory 3, an LSI 4,
CPU5 and TEL-CPU6 which is a CPU for a telephone
A sounder 7 for generating a ringing tone, an MIC 8 as a microphone, an SP 9 as a speaker, an LCD 10 as a display, and a KEY 11 as an input key.
have.

When a character message is input by the KEY 11, the TEL-CPU 6 recognizes keying and
Notify 5 When the text message is stored, the text message is stored in the memory 3, and when the text message is transmitted as it is, the text message is transferred to the radio unit 1 via the LSI 4 and sent out by the radio unit 1.

FIG. 4 is a functional block diagram of the base station. The non-directional antenna 12, the antenna interface 1, the network interface 14, the CHS interface 15 as a channel designator, and the power interface 16
Character message data transmitted from the PHS terminal is transmitted via the antenna 12 to the antenna interface 1
3 is sent to the network via the network interface 14 as it is. Switching between FACCH and SACCH is performed by the CHS interface 15.

The transfer of the text message is stored in the memory 3 by the calling terminal using the KEY 11 before the call. Thereafter, a calling operation is performed to enter a talking state. After mutual understanding during the talking, the message is transferred to the FACCH channel via the base station by the operation shown in FIG. 1 and FIG.

When the transfer of the text message is completed, the user can return to the call.

In the case of a pager, since there is no telephone call, a text message stored in advance can be transferred by forming the FACCH directly from the operation after step 22 shown in FIG.

[0030]

As described above, according to the present invention, when a text message is transferred, the SACCH during the call is changed to the FACCH.
By converting and using the associated control channel, the character message can be transferred at high speed without disconnecting the call.

[Brief description of the drawings]

FIG. 1 is a sequence chart of signal transmission / reception between a transmitting terminal and a base station in a text message transmission method of the text message transmission method using FACCH of the present invention.

FIG. 2 is a sequence chart of signal transmission / reception between a base station and a receiving terminal corresponding to the signal of FIG.

FIG. 3 is a functional block diagram of a PHC terminal.

FIG. 4 is a functional block diagram of a base station.

[Explanation of symbols]

 Reference Signs List 1 wireless unit 2 recording / reproducing IC 3 memory 4 LSI 5 CPU 6 TEL-CPU 7 sounder 8 MIC 9 SP 10 LCD 11 KEY 12 antenna 13 antenna interface 14 network interface 15 CHS interface 16 power supply interface

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) H04Q 7/00-7/38

Claims (3)

(57) [Claims]
1. A text message during a call of a PHS system.
Message transmission method, wherein a user puts the call on hold during a call,High-speed subsequent transmission / reception control
AttachedAnyThe setting made by FACCH which is the control channel
I, Character message transmission request signalSend outSteps
And the base station receives the text message transmission request signal
When,The setting to perform subsequent transmission / reception control by FACCH
To enable the transfer of text messages, and
Reply issueStep, the user terminal requesting transmission of the text message sends the confirmation signal
When you receive the text messageBy FACCHSend
StepsThe terminal sending the text message sends the text message
Is completed, a transmission end signal is sent, and the base station sends a confirmation signal.
And return to SACCH And the call can be continued.YouTo
Steps andHas,  further,Base station sends FACC to text message transfer destination terminal
Sending a transmission request signal by H; Transfer destination terminal sets subsequent transmission / reception control to FACCH
And returns a reception confirmation signal as a receivable state.
And The text message received by the base station is also sent on FACCH
Transferring to the transfer destination terminal; When the base station completes the text message transfer, the transmission end signal
Sending a signal; The transfer destination terminal sends a confirmation signal in response to the transmission end signal.
The base station returns FACCH to SACCH.
With Message in PHS system
Transmission method.
2. The method according to claim 1, wherein the transmission of the text message is a communication to a pager.
3. A text message transmitting apparatus during a call of a PHS system, wherein a user holds a call during a call and uses the call.
Higher speed control than SACCH, which is a lower speed control channel
Change set a control channel FACCH, comprising means for performing the text message transmission request signal transmission operation, and means for sending a text <br/> character message transmission request signal FACCH by the text message transmission request operation, Upon receiving the text message transmission request signal, the base station switches subsequent transmission / reception from SACCH to FACC.
Means for returning a reception acknowledgment signal on the FACCH and setting the text message reception / transferable state. The text message transmission requesting terminal further receives the reception acknowledgment signal, and transmits the text message to the FACCH.
And a means for sending a transmission end signal when the terminal requesting the transmission of the text message terminates the transmission of the text message. Means for transmitting FACC between the base station and the text message transmission requesting terminal.
H means for returning to the SACCH , the transmission requesting terminal has means for returning to the state in which the call can be resumed from the held state, and the base station transmits the character message to the destination by FACCH.
A means for transmitting a character message transmission signal is provided , and the transfer destination terminal transmits and receives a signal from the SACCH to the FACCH.
Mode switching means, and a text message by FACCH
Means for transmitting a text message acknowledgment signal.
Sending, and when sending is completed, sending a sending end signal
The transfer partner terminal receives the transmission end signal and receives the transmission end signal.
Means for returning an acknowledgment signal reception acknowledgment signal.
Switching from FACCH to SACCH between hand terminals
A character message transmitting device in a PHS system having means for transmitting a message.
JP10016962A 1998-01-29 1998-01-29 Character message transmission method and device in PHS system Active JP2926562B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10016962A JP2926562B1 (en) 1998-01-29 1998-01-29 Character message transmission method and device in PHS system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10016962A JP2926562B1 (en) 1998-01-29 1998-01-29 Character message transmission method and device in PHS system

Publications (2)

Publication Number Publication Date
JP2926562B1 true JP2926562B1 (en) 1999-07-28
JPH11215568A JPH11215568A (en) 1999-08-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP10016962A Active JP2926562B1 (en) 1998-01-29 1998-01-29 Character message transmission method and device in PHS system

Country Status (1)

Country Link
JP (1) JP2926562B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3709916B2 (en) 2000-05-25 2005-10-26 日本電気株式会社 Character message communication method and apparatus for telephone terminal
CN100352173C (en) * 2004-07-22 2007-11-28 武汉虹信通信技术有限责任公司 Method for solving abnormal working after PHS base station restarting
US20110111735A1 (en) * 2009-11-06 2011-05-12 Apple Inc. Phone hold mechanism

Also Published As

Publication number Publication date
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