JP3335955B2 - Character message service system and character message transmission method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
In connection with service technology, in particular, character message data, such as character mail data, is transmitted using two channels, thereby shortening the transmission time.
The present invention relates to a system and a text message transmission method.

[0002]

2. Description of the Related Art One form of a text message service is, for example, character mail. Chara Mail is a PHS launched by NTT Mobile Communication Network Corporation (formerly NTT Personal Communication Network Group) in April 1997.
This is a text message service using. There is a limit to the number of characters, but you can also receive Internet mail. PHS (Personal Handyp) for the same service
phone System (simple mobile phone), up to 210 Kana alphanumeric characters and symbols, up to 105 Kana Kanji
You can receive and display characters. The message is not sent directly from the sender, but is notified from the service center that "new message is stored in the center". For this reason,
Access to the center is required to receive the message. Transmission of messages is possible from PHS, mobile phones, public phones, subscribed phones, and Internet mail. In addition, NTT Mobile Communication Network Co., Ltd. (formerly NTT Personal Communication Network Group) started a character message service using PHS in April 1997. , PARDIO E-mail, PARDIO I-mail, and the like.

FIG. 4 shows a data transmission sequence executed in a conventional text message service system. In such conventional character mail, when communication between the terminal PS such as the PHS and the base station CS of the service center is performed, only one channel is used and the SACCH (S
low Associated Control Ch
SACC over an anel: slow associated control channel)
If the H message is used and the data is divided into 32 bytes in length depending on the facility, mail data is transmitted.

[0004]

However, in the conventional text message service system, as shown in FIG. 4, when transmitting mail data from a terminal PS to a base station CS using a SACCH message, a facility is required. It is necessary to provide an interval of 6.5 seconds every time data is transmitted in a facility having a data length of 32 bytes. For this reason, there has been a problem that it takes time to complete transmission of all data.

The present invention has been made in view of such a problem, and an object of the present invention is to reduce the transmission time by transmitting character message data such as character mail data using two channels. It is another object of the present invention to provide a text message service system and a text message transmission method for realizing a text message.

[0006]

The gist of the present invention is to reduce transmission time by transmitting character message data such as character mail (trademark) data using two channels. A text message service system, wherein two channels available for data transmission and reception between a terminal and a base station are simultaneously used to divide desired text message data into the two channels and transmit the data to the base station. And the available two channels are low-speed associated control channels. According to a second aspect of the present invention, there is provided a text message service system according to the first aspect, wherein the terminal is a PHS. The gist of the invention described in claim 3 is that
3. The character message service system according to claim 1, wherein the character message data is character mail data. The gist of the invention described in claim 4 is that the terminal inputs and edits transmission data, and notifies the transmission data after the editing of the transmission data received from the operation unit. A data control unit for dividing and transmitting each facility having a data length, and a protocol control unit for editing transmission data received from the data control unit into a predetermined protocol transmission data and setting the edited transmission data The character message service according to any one of claims 1 to 3, further comprising: a wireless transmission / reception unit configured to transmit transmission data received from the protocol control unit to the base station using a radio wave. Exist in the system. The gist of the invention according to claim 5 is that the data control unit is configured to divide transmission data received from the operation unit for each facility having a predetermined data length and transmit the data at predetermined time intervals. 5. The text message service system according to claim 4, wherein:

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The features of the embodiment described below are as follows.
PHS (Personal Handyphone S
By transmitting (writing) character message data such as character mail data using two channels that can be used by a terminal such as a simple mobile phone (system), character message data such as character mail data can be transmitted (written). This is to reduce the transmission time. To send character mail data, SACCH (Sl
ow Associated Control Cha
(nnel: low-speed associated control channel), but it takes time, but by using two channels, the transmission time can be halved. The maximum number of characters is 105 characters (= 5 × 105 = 525 bytes) of kanji data. It takes about 2 minutes to finish transmitting these characters, but by using the present invention, it can be reduced to about 1 minute. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the description will be made assuming a character mail service system that transmits character mail as a character message as one form of the character message service system.

[0008] Chara Mail is NTT Mobile Communication Network Co., Ltd. (former NTT Personal Communication Network Group).
Is a text message service using PHS that started in April 1997. You can also receive Internet mail with a limited number of characters. PHS for the same service
Can receive and display up to 210 Kana alphanumeric characters and symbols, and up to 105 Kana Kanji characters. The message is not sent directly from the sender, but is notified from the service center that "new message is stored in the center".
Therefore, an operation to access the center is required to receive the message. Messages can be sent from PHS, mobile phones, public phones, subscribed phones, and Internet mail. NTT Mobile Communication Network Co., Ltd. (former NTT Personal Communication Network Group)
As a text message service using PHS which started in April 1997, there are, for example, Chara Talk, Paldio E-mail, and Paldio I-Mail in addition to character mail.

FIG. 1 is a functional block diagram for explaining a text message service system according to an embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a PHS, which is a form of the terminal PS; 12, an operation unit; 14, a data control unit;
Reference numeral 6 denotes a protocol control unit, reference numeral 18 denotes a wireless transmission / reception unit, reference numeral 20 denotes a service center which is one form of the base station CS, and reference numeral 100 denotes a text message service system. FIG.
Referring to FIG. 1, the text message service system 100 according to the present embodiment includes at least one or more PHSs 10.
(Terminal PS) and service center 20 (base station CS)
It is configured around. PHS10 (terminal PS)
Is mainly composed of an operation unit 12, a data control unit 14, a protocol control unit 16, and a wireless transmission / reception unit 18.

The operation unit 12 is configured to input and edit transmission data and notify the data control unit 14 of the transmission data. The data control unit 14 sets the transmission data to 3
It is configured to divide each facility having a data length of 2 bytes and notify the protocol control unit 16, and further control a 6.5 second timer for each transmission of the facility having a data length of 32 bytes. Is configured to do so. The protocol control unit 16 is configured to edit the transmission data into the protocol transmission data, and to set the edited transmission data in the wireless transmission / reception unit 18. The wireless transmission / reception unit 18 has a function of transmitting the transmission data received from the protocol control unit 16 to the service center 20 (base station CS) using radio waves.

Next, the operation of the text message service system 100 of the present embodiment (text message transmission method)
Will be described. FIG. 2 is a data transmission sequence executed by the text message transmission method according to one embodiment of the present invention. Referring to FIG. 2, the PHS 10 (terminal P
S) uses a 64K data communication function during a call with the service center 20 (base station CS) to transmit two channels of a first channel (facility = 32 bytes) and a second channel (facility = 32 bytes). Make a connection.
The data transmission control sequence after connecting the two channels is shown in FIG. Transmission of the facility having a data length of 32 bytes on the first channel and the second channel is performed under the control of a 6.5 second timer.

FIG. 3 shows an internal control sequence executed by the text message transmitting method according to one embodiment of the present invention. Referring to FIG. 3, first, PHS10 (terminal PS)
The operation unit 12 inputs and edits transmission data, and after the transmission data is determined, transmits the transmission data to the data control unit 1.
4 (transmission data notification (525 bytes)). In response, the data control unit 14 divides the transmission data received from the operation unit 12 into 32 bytes and notifies the protocol control unit 16 of whether to transmit the data on the first channel or the second channel (first data). A transmission request (32 bytes) and a second transmission request (32 bytes) are made. In response, the protocol control unit 16 converts the data received from the data control unit 14 into wireless transmission data and sets the data in the wireless transmission / reception unit 18 (wireless transmission data setting (first channel, second channel)). Further, the protocol control unit 16 notifies the completion of transmission when the transmission is completed (first transmission completion, second transmission completion). In response, upon receiving the first transmission completion or the second transmission completion from the protocol control unit 16, the data control unit 14 activates the 6.5-second timer control, and
After 5 seconds (timer = O), the next transmission data is notified to the protocol controller 16 (first transmission request (32 bytes), second transmission request (32 bytes)). In response, the protocol control unit 16 converts the data received from the data control unit 14 into wireless transmission data and sets the data in the wireless transmission / reception unit 18 (wireless transmission data setting (first channel, second channel)). When all data has been transmitted by repeating this processing, the completion of all data transmission is notified to the operation unit 12 (all data transmission completed).

As described above, according to this embodiment, the transmission time can be reduced by transmitting character message data such as character mail data using two channels. For example, when transmitting data having a data length of 32 bytes, the time from setting the data in the wireless transmitting / receiving section 18 to notifying all data to the base station CS is about 1 second, so that 525 bytes The time required to send character message data such as Nokia Mail data with the conventional character message service is as follows:
(1 + 6.5) × 16 + 2.2 = 122.2 seconds.
On the other hand, the time required for sending character message data such as 525-byte character mail data by the character message service of this embodiment is (1 + 6.5) × 8.
+ 2.2 = 62.2 seconds, and 60 seconds (= 122.2−
62.2) can be shortened.

It should be noted that the present invention is not limited to the above-described embodiment, and within the scope of the technical concept of the present invention, besides the character mail, for example, the character talk, the Paldio E-mail,
It is clear that the above embodiments can be modified as appropriate for various text message services such as Pardio I-mail. Further, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to suitable numbers, positions, shapes, and the like for implementing the present invention. In each drawing, the same components are denoted by the same reference numerals.

[0015]

Since the present invention is configured as described above, the transmission time can be shortened by transmitting character message data such as character mail data using two channels.

[Brief description of the drawings]

FIG. 1 is a functional block diagram illustrating a text message service system according to an embodiment of the present invention.

FIG. 2 is a data transmission sequence executed by the text message transmission method according to one embodiment of the present invention.

FIG. 3 is an internal control sequence executed by the text message transmitting method according to one embodiment of the present invention;

FIG. 4 is a data transmission sequence executed in the conventional text message service system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... PHS (terminal PS) 12 ... Operation part 14 ... Data control part 16 ... Protocol control part 18 ... Wireless transmission / reception part 20 ... Service center (base station CS) 100 ... Text message service system

Claims (5)

(57) [Claims] 1. A text message service system for transmitting character message data such as character mail (trademark) data using two channels to shorten the transmission time, comprising: The desired character message data is divided into the two channels and transmitted to the base station by simultaneously using the two channels that can be used for data transmission and reception between the two channels. A character message service system characterized by being a control channel. 2. The text message service system according to claim 1, wherein the terminal is a PHS. 3. The character message service system according to claim 1, wherein the character message data is character mail data. 4. An operation unit for inputting and editing transmission data and notifying transmission data after the editing, and dividing the transmission data received from the operation unit into facilities having a predetermined data length. A data control unit that transmits and transmits the data, a protocol control unit that edits the transmission data received from the data control unit into a predetermined protocol transmission data, and sets the edited transmission data. The text message service system according to any one of claims 1 to 3, further comprising a wireless transmission / reception unit configured to transmit the transmission data to the base station using a radio wave. 5. The data control unit according to claim 1, wherein the transmission data received from the operation unit is divided for each facility having a predetermined data length and transmitted at predetermined time intervals. 4. The text message service system according to 4.