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WO2001022750A1 - Systeme et procede de construction d'un message sms composite a partir de multiples messages sms - Google Patents

Systeme et procede de construction d'un message sms composite a partir de multiples messages sms Download PDF

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Publication number
WO2001022750A1
WO2001022750A1 PCT/US2000/024643 US0024643W WO0122750A1 WO 2001022750 A1 WO2001022750 A1 WO 2001022750A1 US 0024643 W US0024643 W US 0024643W WO 0122750 A1 WO0122750 A1 WO 0122750A1
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WO
WIPO (PCT)
Prior art keywords
message
composite
sms
constituent
current
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.)
Ceased
Application number
PCT/US2000/024643
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English (en)
Inventor
Jong T. Chung
Raymond Kazo Jessup
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NeoPoint Inc
Original Assignee
NeoPoint Inc
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 NeoPoint Inc filed Critical NeoPoint Inc
Priority to AU73583/00A priority Critical patent/AU7358300A/en
Publication of WO2001022750A1 publication Critical patent/WO2001022750A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72436—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for text messaging, e.g. short messaging services [SMS] or e-mails

Definitions

  • the present invention relates generally to radio or wireless communications and, more particularly, relates to a method by which a wireless communication device constructs a composite SMS message from multiple SMS messages it receives.
  • Wireless personal communications devices provide wireless personal communications to businesses and individuals at home, in the office, on the road, and any other locations the wireless network reaches.
  • Wireless telephone subscribers no longer have to use pay telephones along the road, or wait until they return home or to the office to check messages and return important business calls. Instead, wireless subscribers carry out their day to day business from their cars, from the jobsite, while walking along the airport concourse, and just about anywhere their signals are accessible.
  • Wireless handsets are often configured to send and receive text messages in SMS (Short Message Service) format, which is a well-known standard for wireless transmission of short messages.
  • SMS Short Message Service
  • the message can comprise letters, numbers or an alphanumeric combination, and typically has a maximum character length.
  • the SMS messages may be sent and received simultaneously with voice or data calls.
  • SMS messages are formatted as 7-bit ASCII strings, and are typically limited to a size or length of 100-255 characters. The precise limit depends on the wireless service provider. Due to these limitations, in the above application, both the alert message and appended advertisement must be fit within the maximum length of an SMS message (if both are to be part of a continuous and uninterrupted user display). If the advertisement cannot fit in the available space, it cannot be appended to the alert message.
  • the SMS message length limitation has thus far not been a significant drawback in the wireless arena, as conventional wireless devices typically have small display areas or screens and cannot display longer messages in any event.
  • SMS message from multiple SMS messages, each of which is a constituent portion of the composite message.
  • an SMS message format for a wireless communication system comprises a message body, and a preamble preceding the message body.
  • the preamble includes a header indicating that current message is a constituent portion of a composite SMS message.
  • the preamble also includes a first byte comprising an SMS message ID number, a second byte indicating the total number of constituent portions of the composite SMS message, and a third byte indicating the position of the current message within the composite SMS message.
  • a method for constructing a composite SMS message from multiple SMS messages having a format as set forth above is provided.
  • the method comprises the following steps: receiving a current SMS message; determining whether the current message is a constituent portion of the composite message, and if it is not, alerting a user that the current message is waiting; if the current message is a constituent portion of the composite message, determining whether there are more than one constituent portion of the composite message, and if there are not, alerting the user that the current message is waiting; if there is more than one constituent portion of the composite message, determining whether previous constituent portions have been received, and if previous constituent portions have not been received, storing the current message in local memory as the first constituent portion of the composite message and waiting for a next constituent portion; if previous constituent portions have been received, verifying that the ID numbers of the previous constituent portion and the current message match, and if the ID numbers of the previous constituent portion and the current message do not match, storing the current message in local memory as the first constituent portion of a new composite message and waiting for the next constituent portion; if the ID numbers of the previous constituent portion and the current message match, determining whether the current message is the
  • Figure 1 is a diagram illustrating an example wireless communication device.
  • Figure 2 is a block diagram of a wireless communication system.
  • Figure 3 is a flowchart illustrating a method for requesting information across a wireless network.
  • Figure 4 is a block diagram illustrating a processor-based system.
  • FIG. 5 is a diagram of an SMS message and preamble format according to the present invention.
  • Figure 6 is a diagram of an SMS message and preamble format with exemplary header and byte values.
  • Figure 7 is a flowchart illustrating a method of constructing a composite SMS message from multiple SMS message.
  • Example Environment Before describing the invention in detail, it is useful to describe an example environment in which the invention can be implemented.
  • One example environment is a handset or communication device operating within a wireless communication network such as, for example, a cellular, GSM, PCS or radio communication network.
  • Wireless communication devices embodying the present invention can be implemented in various configurations and architectures.
  • a wireless communication device will include a keypad for control of the device and data entry, and a display for displaying relevant information.
  • An example wireless communication device 100 is illustrated in Figure 1.
  • Communication device 100 is presented for illustrative purposes only; implementation of the invention is not dependent on any particular device architecture or communication network.
  • Device 100 includes a processor 104, a speaker 106, a display 108, a keypad 110, a transceiver 122, a memory 114, a microphone 116, a power source 118 and an antenna
  • Device 100 is typically a mobile device such as a handheld handset or an integrated vehicle phone. It is configured to communicate with other communications devices such as base station 112. Base station 112 is typically within a geographic area known as a
  • cell and handles communications for all wireless devices within the cell.
  • Processor 104 directs the overall operation of device 100.
  • a computer program or set of instructions is typically coded or otherwise implemented on the processor to enable the processor to carry out the device operation.
  • Memory 114 interfaces with processor
  • Memory 104 may store program code and provide storage space for data useful in executing the program code and carrying out the device functions.
  • Memory 114 may be implemented as
  • ROM read-only memory
  • RAM random access memory
  • any other convenient memory format any convenient memory format.
  • the features and functionality of the invention described below may be implemented using hardware, software, or a combination thereof, and such software can run on a processor such as processor 104 and be stored in a memory such as memory 114.
  • Transceiver 112 includes a transmitter that transmits voice and data information via antenna 120 to a recipient communication device such as, for example, base station
  • Transceiver 112 also includes a receiver that receives voice and data information from another communication device (e.g., base station 112). The received voice and data information is provided to the user or used to facilitate device operation.
  • another communication device e.g., base station 112
  • User interface features include speaker 106, display 108, keypad 110, and microphone 116.
  • Microphone 116 accepts voice or other audio information from the user and converts this information into electrical signals that can be transmitted by transceiver
  • Display 108 displays information such as call information, keypad entry information, signal presence and strength information, battery life information, or any other information useful to the user.
  • Display 108 preferably takes the form of a liquid crystal display (LCD), which have low power consumption characteristics, but could also be implemented as a light emitting diode (LED) display or any other appropriate visual indicator.
  • Keypad 110 typically includes an alphanumeric keypad and may also include special function keys. In one embodiment, keypad 110 is backlit to permit viewing of the keys in low light or dark conditions.
  • Device 100 may also include a flip panel (not shown) that can be closed to conceal some or all of the keypad.
  • Power source 118 is provides power to device 100. It can be implemented with rechargeable batteries, such as NiCad or NiMH rechargeable batteries, or with any other suitable power source.
  • Figure 2 is a block diagram illustrating a wireless communication system including a wireless handset 130 and a hands-free unit 132.
  • Handset 130 can be implemented in a configuration such as device 100 of Figure 1, or in any other wireless communication device capable of communicating with remote locations via a wireless communication medium. In the description below, "handset" refers to any communication device capable of communicating with other devices via a wireless medium.
  • Hands-free unit 132 is optionally provided to allow the user of wireless device 130 to communicate in a hands-free mode. Hands-free unit 132 may include a microphone and speaker to provide wireless device 130 with speakerphone-like capabilities.
  • hands-free unit 132 is configured according to conventional industry standards for a "hands-free kit".
  • hands-free unit 132 may be equipped with a position determination system 134 to determine the location of unit 132 and handset 130.
  • Position determination system 134 may be implemented using a GPS (global positioning system), the design and configuration of which is well known to those of ordinary skill in the art.
  • Wireless device 130 preferably includes both a voice and data interface, particularly where position determination system 134 is incorporated in a hands-free unit 132.
  • the voice interface provides hands-free operation and speakerphone-like capabilities.
  • the data interface allows position information obtained by system 134 to be provided to handset 130 for transmission over wireless network 140.
  • Handset 130 communicates with other entities via wireless network 140.
  • Network 140 is typically comprised of a plurality of base stations, such as base station 112 of Figure 1, that provide relay points for communication.
  • Network 140 may be a cellular, PCS, GSM, or any other wireless communication network.
  • network 140 permits communication between handset 130 and server(s) 136.
  • step 202 a user initiates a request for information. As described above, this request can be made via a keypad entry or by voice command with an appropriate voice recognition system.
  • step 204 the system determines whether the request requires the handset location or position. If position information is required, the method proceeds from step 204
  • step 212 where position determination device 134 acquires the position of handset
  • step 204 If position information is not required, the method proceeds from step 204 directly to step 206.
  • step 206 handset 130 sends the request to server 136 via wireless network 140.
  • the request includes any position data acquired in steps 212-214.
  • server 136 retrieves the data or information requested from database 138.
  • the data is communicated to handset 130 over network 140 and, in step 210, is displayed or provided to the user.
  • the wireless communication device and system described above may be implemented with hardware, software or a combination thereof and may be implemented using a computing system having one or more processors. In one embodiment, it is implemented as a processor-based system.
  • An example processor-based system 502 is shown in Figure 4. All or some of the elements of system 502 may be employed in both server 136 and wireless handset 130 to provide the functionality described herein.
  • System 502 includes one or more processors, such as processor 504.
  • Processor 504 is connected to communication bus 506.
  • System 502 also includes main memory 508 and secondary memory 510.
  • Main memory 508 is preferably random access memory (RAM), and secondary memory 510 preferably includes hard disk drive 512 and/or a removable storage drive 514.
  • Removable storage drive 514 is typically a floppy disk drive, a magnetic tape drive, an optical disk drive or the like.
  • Storage drive 514 reads from and writes to removable storage media 518 in a well-known manner.
  • Storage media 518 is typically a floppy disk, magnetic tape, optical disk or the like having stored therein computer software and/or data.
  • Secondary memory 510 may include additional or alternative means for allowing computer programs or other instructions to be loaded into computer system 502.
  • a removable storage unit 522 and interface 520, for example, may be provided.
  • 520 and storage unit 522 could take the form of a program cartridge and cartridge interface
  • a removable memory chip such as an
  • Communications interface 524 allows software and data to be transferred between computer system 502 and external devices.
  • communications interface 524 include a modem, a network interface (such as, for example, an Ethernet card), a communications port, or a PCMCIA slot and card.
  • Software and data is transferred via communications interface 524 as electronic, electromagnetic, optical or other signals capable of being received by communications interface 524. These signals are provided to communications interface via channel 528.
  • Channel 528 carries signals and can be implemented as a wireless medium, wire or cable, fiber optics, or other communications medium. Examples include a phone line, a cellular phone link, an RF link or a network interface.
  • computer program medium and “computer usable medium” refer generally to media such as removable storage device 518, a disk capable of installation in disk drive 512, and signals on channel 528.
  • These computer program products are means for providing software or program instructions to computer system 502.
  • Computer programs also called computer control logic
  • Computer programs are stored in main memory and/or secondary memory 510. Computer programs can also be received via communications interface 524. Such computer programs, when executed, enable the computer system 502 to perform the features of the present invention as discussed herein.
  • the computer programs when executed, enable the processor 504 to perform the features of the present invention. Accordingly, such computer programs represent controllers of the computer system 502.
  • the software may be stored in, or transmitted via, a computer program product and loaded into computer system 502 using removable storage drive 514, hard drive 512 or communications interface 524.
  • the control logic when executed by the processor 504, causes processor 504 to perform the functions of the invention as described herein.
  • the elements are implemented primarily in hardware using components such as PALs, application specific integrated circuits (ASICs) or other hardware components. Implementation of a hardware state machine to perform the functions described herein will be apparent to persons skilled in the relevant art(s). In yet another embodiment, elements are implemented using a combination of both hardware and software.
  • SMS Messages Handset 130 and server 136 may be configured to send and receive text messages in SMS (Short Message Service) format, which is a well-known standard for wireless transmission of short messages.
  • An SMS message may comprise letters, numbers or an alphanumeric combination.
  • the SMS messages may be sent and received simultaneously with voice or data calls.
  • the primary drawbacks of SMS messaging are the limitations on the format and size of the SMS message. SMS messages are formatted as 7-bit ASCII strings, and are typically limited to a size or length of 100-255 characters. For wireless devices having sufficiently large display areas, the capability to display longer messages is desirable.
  • One example of a wireless device having a larger display area is the "Neopoint 1000" wireless device developed by the present assignee.
  • the SMS message length limitation is a serious and substantial drawback.
  • the present invention provides a method for constructing a composite SMS message from multiple SMS messages, and a novel SMS message and preamble format for use in conjunction with the method.
  • the message and preamble format will be described with reference to Figures 5 and 6.
  • the SMS message format consists of message body 250 and a preamble 260 that precedes message body 250.
  • Message body 250 contains the actual text of the SMS message and, under the present invention, may be a portion of a larger, composite message.
  • Preamble 260 informs the wireless device (or server, PC or other communication devices) that message body 250 is part of a larger, composite message.
  • Preamble 260 consists of a header 262 and three bytes 264, 266 and 268 following the header.
  • Header 262 is a string of characters indicating that a specially formatted SMS message is to follow.
  • the first byte following header 262, byte 1 is a numeric character in the range of 0-9 that serves as the ID number, or SMS ID, of the SMS message. All
  • SMS messages that are part of a composite message will share the same ID number.
  • Figure 6 depicts the preamble and message format described above with exemplary header and byte values.
  • the preamble is "/ NP", indicating that a specially formatted SMS message of the assignee (Neopoint, Inc.) is to follow.
  • Byte 1 has a value of 3. This indicates that the SMS ID number of this message is 3, and that adjacent messages also having a value of 3 are part of one composite message. If, for example, the next message had an SMS ID number of 7, it would indicate that the next message is not part of the composite message.
  • Byte 2 has a value of 2. This indicates that the total number of SMS messages contained within this composite message is two.
  • Byte 3 has a value of 1. This indicates that this message is the first of the two messages forming the composite message.
  • the next SMS message received would have the preamble 7/NP322'.
  • Figure 7 depicts a method for identifying messages of the type shown in Figures 5-6 and constructing a composite SMS message from those messages.
  • the method steps may be implemented in a wireless handset, such as handset 130 of Figure 2, as computer programs, software or hardware.
  • the portions relating to control of handset 130 may be coded in processor 104 or could be stored in memory 114. Alternatively, the program or portions of it could be stored on server 136 and downloaded to handset 130 as needed. Portions relating to the steps carried out by server 136 preferably reside in a processor or memory in server 136.
  • the wireless handset waits to receive an SMS message. This may be a rest or monitoring mode in which the handset is waiting to receive a voice or data call. A server, computer or other communication device could also receive the SMS message. The handset remains in this mode until a message is received.
  • the method proceeds to decision node 306.
  • the header of the message is examined to determine if it indicates a specially formatted SMS message. As described above, the header 7/NP' is one example of a header that might be used to indicate that the message is part of a composite SMS message.
  • step 320 a waiting bit or register is set to off.
  • the waiting bit is a bit that indicates whether the handset is waiting for another individual SMS message that forms a part of a composite SMS message. Since, at node 306, it was determined that the message is not a part of a composite SMS message, the handset is not waiting for a portion of a composite message and the waiting bit is turned off.
  • Another bit or register, S_SMSID which is the stored SMS ID number, is set to zero. From step 320, the method proceeds to step 322.
  • An appropriate alert message or display is generated to signal the user that a message has arrived. The user may then make the appropriate key press or menu selection to display the message (which was not a composite SMS message).
  • the method proceeds to decision node 308.
  • the method looks at the second byte of the preamble (reference 266 of Figure 5) to determine whether the number of constituent SMS messages making up the composite SMS message is greater than one. If it is not (i.e., if byte 2 is one), indicating that the received message is the only portion of the composite message, the method proceeds to step 320 as described above (waiting bit turned off, SMS ID set to zero, and user alerted to the message).
  • the method proceeds to decision node 310.
  • S_COUNT is set to one.
  • S_COUNT tracks the current number of the received SMS message. Since the waiting bit was off (node 310), this is the first SMS message and S_COUNT is set to one. From step 324, the method proceeds to step 326.
  • the received SMS message is stored in local memory and the method returns to step 302 to wait for the next constituent message which forms a part of the composite SMS message.
  • the method proceeds to decision node 312.
  • the handset checks to see whether the stored SMS ID number (S_SMSID) is equal to the received SMS ID number in the first byte of the current message (R_SMSID). This is essentially a confirmation that the current message has the same ID number, and is thus part of the same composite message, as the previously received message. If the ID numbers do not match, the method assumes that the current message is a new or different message. The previous message may have been corrupted or incomplete.
  • the method proceeds to step 324 and proceeds as if the current message is the first constituent message of a new composite SMS message.
  • the waiting bit is turned on, the stored message ID number is reset to the received message ID number, and the message count is set to one.
  • step 314 the S COUNT bit is increased by 1.
  • S COUNT tracks the current number of the received SMS message. Since the checks at steps 306, 308, 310 and 312 have indicated that the current message is a constituent message within a composite SMS message, and that the current message is not the first constituent portion, it is appropriate to increase the message count by one. The method then proceeds to decision node 316, where it is determined whether the current message number (S_COUNT) is equal to the total number of constituent SMS messages (i.e., the value of byte 2).
  • step 326 If the current message number does not equal the total number, indicating that there are more constituent messages to come, the method proceeds to step 326.
  • the current message is stored in local memory and the method proceeds to step 302 to wait for the next constituent message. If the current message number is equal to the total number of messages, indicating that the current message is the last constituent message of the composite message, then the method proceeds to step 318.
  • step 318 the composite message is assembled from the constituent messages that have been stored in local memory (step 326). Once the composite message has been assembled from the stored constituent messages, the method proceeds to step 320. Since the composite message is complete, the waiting bit is turned off. The stored SMS ID number is also reset to zero. At step 322, the user is alerted that the composite SMS message has been received.
  • the method then returns to the waiting or monitoring step 302 to monitor for the next SMS message. While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. Thus, the breadth and scope of the present invention should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • General Business, Economics & Management (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de construction d'un message SMS composite dans un système de communication sans fil. Ce procédé consiste à utiliser un nouveau format de message SMS, comprenant un corps (250) de message et un préambule (260) précédant le corps de message. Le préambule comprend un en-tête (262) indiquant que le message courant est une partie constituante d'un message SMS composite. Le préambule comprend également un premier octet (264) comprenant un numéro d'identification du message SMS, un deuxième octet (266) indiquant le nombre total de parties constituant le message SMS composite, et un troisième octet (268) indiquant la position du message courant dans le message SMS composite.
PCT/US2000/024643 1999-09-20 2000-09-07 Systeme et procede de construction d'un message sms composite a partir de multiples messages sms Ceased WO2001022750A1 (fr)

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AU73583/00A AU7358300A (en) 1999-09-20 2000-09-07 System and method for constructing a composite sms message from multiple sms messages

Applications Claiming Priority (2)

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US39942499A 1999-09-20 1999-09-20
US09/399,424 1999-09-20

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WO2001022750A1 true WO2001022750A1 (fr) 2001-03-29

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US7512098B2 (en) 2000-08-17 2009-03-31 Roamware, Inc. Method and system for wireless voice channel/data channel integration
WO2003007182A1 (fr) * 2001-07-11 2003-01-23 Sendo International Limited Dispositif d'extension automatique de messages textuels et procedes correspondants
EP1304891A3 (fr) * 2001-09-26 2003-05-02 Microsoft Corporation Echange de messages en plusieurs parties entre des dispositifs cellulaires utilisant une interface standardisée
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