WO1992003883A1 - Dispositif de recherche de personnes a systeme souple de teleappel avec affichage de message - Google Patents

Dispositif de recherche de personnes a systeme souple de teleappel avec affichage de message Download PDF

Info

Publication number
WO1992003883A1
WO1992003883A1 PCT/US1991/004984 US9104984W WO9203883A1 WO 1992003883 A1 WO1992003883 A1 WO 1992003883A1 US 9104984 W US9104984 W US 9104984W WO 9203883 A1 WO9203883 A1 WO 9203883A1
Authority
WO
WIPO (PCT)
Prior art keywords
display
display message
page
message page
alphanumeric
Prior art date
Application number
PCT/US1991/004984
Other languages
English (en)
Inventor
David Royce Petreye
Original Assignee
Motorola, 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 Motorola, Inc. filed Critical Motorola, Inc.
Publication of WO1992003883A1 publication Critical patent/WO1992003883A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/185—Selective call encoders for paging networks, e.g. paging centre devices

Definitions

  • This invention relates in general to the field of paging systems, and more specifically to paging systems with display message paging capability.
  • a paging system 100 commonly accepts a display page request from several different sources (e.g. a telephone 102, a page entry terminal device 104, and a computer with modem 106).
  • the display page request is normally accepted through a public or a private telephone network 108, which couples the display page request from one of the sources (i.e., callers), to an automatic telephone input (110A, HOB, or HOC) at a paging terminal 112.
  • a dedicated input 114 at the paging terminal 112 can accept a display page request from a local video display terminal (VDT) or console.
  • the dedicated input 114 is usually associated with a telephone switchboard and message dispatch service that accepts the display page request from a telephone caller and enters the display page request into the paging terminal 112 typically via the video display terminal.
  • the paging terminal 112 After accepting the display page request, the paging terminal 112 encodes and transmits, via a conventional transmitter 116, a display message page to a selective call display receiver (e.g., a display pager).
  • a selective call display receiver e.g., a display pager
  • Conventional paging systems may convey information from a caller to a display pager user via numeric or alphanumeric message formats.
  • FIG. 1 illustrates several conventional selective call receivers that may convey information to the pager user via either an alphanumeric display message page 118, a numeric display message page 120, or a tone only page 122.
  • the tone only page 122 i.e., no display message page
  • alerts e.g., an audible beep
  • a conventional selective call display receiver commonly receives a display message page, alerts the pager wearer, and presents the display message page according to the message format that is mapped to a pager address on the paging system.
  • the unique pager address represents the message format (e.g., alphanumeric, numeric, or tone only), supported by the selective call display receiver.
  • a selective call alphanumeric display receiver 118 e.g., an alphanumeric display pager
  • a selective call alphanumeric display receiver 118 is capable of receiving and presenting numeric and alphanumeric display messages using separate numeric and alphanumeric display pager addresses mapped to the same selective call alphanumeric display receiver 118.
  • One pager address may be mapped to a numeric display message format, notwithstanding the alphanumeric display capability of the display receiver.
  • channel throughput on the paging system 100 may be significantly improved. Since, the numeric display message characters formatted for a numeric display pager address normally require less binary bits of information to transmit than the same numeric display message characters formatted for an alphanumeric display pager address.
  • numeric display message formats require four binary bits of information to communicate each numeric display character.
  • alphanumeric display message formats typically require six or seven bits of information to communicate each alphanumeric character. Therefore, the numeric display message format requires less time to transmit than transmitting the identical numeric display data using the alphanumeric display message format.
  • Conventional paging systems 100 using the aforementioned numeric display pager address in a selective call alphanumeric display receiver 118 normally trade-off the available telephone numbers and the paging terminal memory for improved paging system channel throughput.
  • the caller (e.g., 102, 104, 106), initiating a display page request typically selects either a numeric or an alphanumeric display pager address to send a display message to a selective call display receiver, depending on the display message format to be sent.
  • the paging system 100 normally maps multiple telephone numbers (i.e., multiple display pager addresses), to one selective call alphanumeric display receiver. Additional paging terminal memory is typically required to store the necessary information distinguishing the numeric and alphanumeric pager addresses for every alphanumeric display receiver 118.
  • An additional consequence of the architectural concessions may be caller confusion arising from multiple telephone numbers (i.e., multiple display pager addresses), being mapped to one selective call alphanumeric display receiver 118.
  • a caller e.g., 102, 104, 106
  • This scenario may be all too common since the calling party typically does not know what display message formats are mapped to display pager addresses for a selective call display receiver. Therefore, the erroneous page request may be rejected by the paging terminal 112.
  • the caller is immediately informed of the error and subsequently sends the correct page request.
  • a critically important display page request may be rejected with the caller not being immediately aware. The consequences in a medical emergency may be grave and devastating.
  • the conventional paging system 100 may transmit numeric display pages to selective call alphanumeric display receivers 118 using the alphanumeric display message format.
  • the caller initiating a display page request uses one telephone number (i.e., one display pager address), to send a numeric or an alphanumeric display message to a selective c alphanumeric display receiver 118. Since one telephone number maps to one selective call alphanumeric display receiver 118, telepnone numbers and paging terminal memory are optimally conserved. Regrettably, sending numeric display messages using alphanumeric display message formats makes inefficient use of transmission time and consequently degrades the paging system 100 channel throughput.
  • an exemplary flowchart illustrates a conventional numeric display page request being accepted at the paging terminal 112 and a corresponding alphanumeric display message page sent to a selective call alphanumeric display receiver 118.
  • a caller e.g., 102, 104, 106
  • the paging terminal 112 may prompt the caller for a pager number 202 (i.e., a pager address).
  • the pager number information is provided to the paging terminal 112 within the telephone number that the caller dials.
  • the paging terminal 112 typically validates the pager number 204 and begins accepting the display message characters from the caller. Since the pager number maps into an alphanumeric pager address in a selective call alphanumeric display receiver the paging terminal prompts the caller for an alphanumeric display message 206. The caller continues to enter numeric message characters until the end of message is reached (208, 210, and 212). Typically, the end of message is marked 210 with either a special character being sent from the caller or a time interval with no characters being detected from the caller.
  • the paging terminal formats the numeric display data into an alphanumeric display message format 214 (e.g., normally formatted into six bit or seven bit display message characters).
  • the alphanumeric pager address 216 and the associated alphanumeric display message compose an alphanumeric display message page that is sent to the selective call alphanumeric display receiver (218 and 220).
  • the numeric display data being sent using alphanumeric display message format may be as much as 50% less time efficient in the paging system channel than sending the message in numeric display message format.
  • Both conventional approaches involve a compromise between enhancing the paging system 100 throughput and efficient use of the paging terminal memory and the available telephone numbers. Moreover, as the percentage of selective call alphanumeric display receivers 118 increases in a conventional paging system 100 the cost of the compromise increases respectively, either in paging system 100 resources or in paging system 100 throughput.
  • a paging system capable of receiving a display message page request containing at least display data and determining from the received display data whether to transmit a numeric display page or an alphanumeric display page to a display pager address.
  • FIG. 1 is a block diagram of a conventional paging system with display message paging capability.
  • FIG. 2 is a flowchart of a conventional paging system accepting a numeric display page request and sending the page to an alphanumeric display pager address.
  • FIG. 3 is a block diagram of a paging system with display message paging capability, in accordance with the present invention.
  • FIG. 4 is a block diagram of a selective call display receiver (e.g., a display pager), with display message paging capability.
  • a selective call display receiver e.g., a display pager
  • FIG. 5 is a diagram representing a selective call display receiver (e.g., a display pager), comprising a numeric pager address and an alphanumeric pager address.
  • a selective call display receiver e.g., a display pager
  • FIG. 6A and 6B are flowcharts illustrating the operation of a paging terminal in accordance with the present invention.
  • a display page request from one of a number of different callers is accepted through the telephone network 108, either the public switched telephone network (PSTN) or a private branch exchange (PBX), which couples the display page request from one of the callers to an automatic telephone input 302 at a paging terminal 304.
  • PSTN public switched telephone network
  • PBX private branch exchange
  • a dedicated input 306 at the paging terminal 304 accepts a display page request from a local video display terminal (VDT) or console 308.
  • VDT local video display terminal
  • the automatic telephone input 302 is capable of decoding a display page request from a caller via conventional DTMF tones 310 and modem tones 312.
  • a paging terminal controller 314 stores the display message characters and the display pager address information into a paging terminal memory module 316.
  • One telephone number i.e., one pager address
  • the paging terminal controller 314 optimally formats the display message page according to the content of the received display data within the received display message characters. For example, if the received display data contains all numeric display characters the paging terminal controller may set the display pager address to a numeric display pager address on the selective call display receiver. Moreover, the display message may be formatted to the numeric display message format, which is more time efficient and enhances the paging channel throughput.
  • a multi-coding synthesizer module 318 receives the display pager address information and the formatted display message from the memory module 316.
  • the display pager address information instructs the multi-coding synthesizer module 318 as to what pager address and type of pager encoding is needed to effectively transmit the display message page to the selective call display receiver.
  • the paging terminal controller 314 finally instructs the transmitter control module 320 to turn "on" the transmitter basestation 322 and begin transmitting over the paging system channel.
  • the multi-coding synthesizer module 318 is typically responsible for sending the encoded display message page information to the transmitter basestation 322, which routes the display message page over the paging system channel. Referring to FIGs.
  • a block diagram of a selective call display receiver 400 and an associated diagram representing the selective call display receiver 400 comprising a numeric display pager address 502 and an alphanumeric display pager address 504 are shown.
  • the selective call display receiver 400 comprising numeric 502 and alphanumeric 504 display pager addresses illustrates a receiving component in a paging system 300 configuration in accordance with an embodiment of the present invention.
  • a battery (401) powered selective call display receiver 400 operates to receive a signal via an antenna 402.
  • the received signal is routed from the antenna 402 to a receiver 403.
  • the receiver 403 demodulates the received signal using conventional techniques and forwards the demodulated signal to a control circuit 404, which decodes and recovers information contained within the received signal.
  • the selective call display receiver 400 presents at least a portion of the information, such as by a display 406, and signals the user via an audible or sensible alert 407 that a message has been received. The user may then view the information presented on the display 406.
  • the control circuit 404 shown in FIG. 4 preferably includes signal multiplexing integrated circuits, a microcomputer, a digital memory coupled to the microcomputer, environmental sensing circuitry such as for light or temperature conditions, audio power amplifier circuitry, control interface circuitry, and display illumination circuitry. These elements are arranged in a known manner which when assembled provides the display information receiver as requested by the customer.
  • the selective call display receiver 400 may be configured to respond to demodulated and decoded display pager addresses, such as a numeric display pager address 502 and an alphanumeric display pager address 504.
  • the recovered information in response to the numeric display pager address typically presents a numeric display message to the pager wearer.
  • the recovered information in response to the alphanumeric display pager address typically presents an alphanumeric display message to the pager wearer.
  • FIG. 6A and FIG. 6B a flowchart for the paging terminal 304 illustrates an operational sequence in accordance with an embodiment of the present invention.
  • a caller e.g.
  • a telephone 102 initiates a display page request typically by calling the paging terminal 304, which detects the page request by answering the telephone 600.
  • the paging terminal 304 prompts the caller for a pager number 602. This optional prompting may be accomplished using conventional tones or a synthesized voice.
  • the paging terminal 304 may optionally prompt the caller for a display message 606.
  • This prompt may instruct the caller as to the display message choices available based on the type of caller and the display message formats available for the selective call receiver 400. For example, a telephone caller 102 may be instructed to "enter a numeric display message", since the caller's telephone protocol may only allow numeric display messages.
  • a computer with modem 106 may have both numeric and alphanumeric display message privileges in sending a display page to the particular selective call receiver 400.
  • the paging terminal 304 analyzes the display message content 608. To do the analyzing, the paging terminal 304 preferably sequences through each display message character to determine if the entire message is composed of numeric display characters or if at least one character in the message is an alphanumeric display character (620, 622, 624, and 626). If the display message contains numeric display characters the desired selective call receiver 400 is checked to ensure that it supports the numeric display message format 628 or the alphanumeric display message format 634.
  • the paging terminal 304 consequently formats the message using the numeric display message format 630 and selects the numeric display pager address 502 for the message 632, or formats the message using the alphanumeric display message format 636 and selects the alphanumeric display pager address 504 for the message 638, according to display message formats supported by the selective call receiver 400.
  • a selective call receiver 400 that supports both the numeric display message format and the alphanumeric display message format normally will receive the more efficient numeric display message format communication.
  • the selective call receiver 400 is checked to ensure that it supports the alphanumeric display message format 634.
  • the paging terminal 304 consequently formats the message using the alphanumeric display message format 636 and selects the alphanumeric display pager address 504 for the message 638.
  • the paging terminal sends the display message page (610 and 612).
  • This step involves instructing the multi-coding synthesizer 318 to encode the display message page according to the type of selective call display receiver 400, instructing the transmitter control module 320 to turn "on" the transmitter basestation 322, and sending the display message page over the paging system channel. Therefore, the paging system 300 handles incoming display page requests efficiently, optimally using the paging system resources and enhancing the paging system channel throughput.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Système de recherche de personnes (300) pouvant recevoir une demande de téléappel avec affichage de message, contenant au moins des données d'affichage. Ledit système détermine à partir des données d'affichage reçues s'il convient de transmettre un appel avec affichage numérique ou un appel avec affichage alphanumérique à une adresse de récepteur de téléappel de type à affichage (400).
PCT/US1991/004984 1990-08-14 1991-07-15 Dispositif de recherche de personnes a systeme souple de teleappel avec affichage de message WO1992003883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56703590A 1990-08-14 1990-08-14
US567,035 1990-08-14

Publications (1)

Publication Number Publication Date
WO1992003883A1 true WO1992003883A1 (fr) 1992-03-05

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PCT/US1991/004984 WO1992003883A1 (fr) 1990-08-14 1991-07-15 Dispositif de recherche de personnes a systeme souple de teleappel avec affichage de message

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0676732A1 (fr) * 1994-04-06 1995-10-11 Firma Erika Köchler Procédé pour l'opération pour un réseau d'installation recherche personnes
US5495344A (en) * 1993-10-04 1996-02-27 Motorola, Inc. Facsimile paging system with virtual display capability and method therefor
GB2293255A (en) * 1994-09-14 1996-03-20 Paul David Williams Radio paging system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849750A (en) * 1987-10-20 1989-07-18 Telefind Corp. Paging receiver with dynamically programmable channel frequencies and functionality
US4882744A (en) * 1987-08-18 1989-11-21 Hashimoto Corporation Automatic paging system
US4885577A (en) * 1988-03-02 1989-12-05 Motorola, Inc. Paging system for providing a data message and a voice message to a unique address of a paging receiver
US4926460A (en) * 1988-09-26 1990-05-15 Motorola, Inc. Universal PSTN page entry protocol
US4972439A (en) * 1989-01-19 1990-11-20 Motorola, Inc. Active signalling transmitter control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882744A (en) * 1987-08-18 1989-11-21 Hashimoto Corporation Automatic paging system
US4849750A (en) * 1987-10-20 1989-07-18 Telefind Corp. Paging receiver with dynamically programmable channel frequencies and functionality
US4885577A (en) * 1988-03-02 1989-12-05 Motorola, Inc. Paging system for providing a data message and a voice message to a unique address of a paging receiver
US4926460A (en) * 1988-09-26 1990-05-15 Motorola, Inc. Universal PSTN page entry protocol
US4972439A (en) * 1989-01-19 1990-11-20 Motorola, Inc. Active signalling transmitter control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495344A (en) * 1993-10-04 1996-02-27 Motorola, Inc. Facsimile paging system with virtual display capability and method therefor
EP0676732A1 (fr) * 1994-04-06 1995-10-11 Firma Erika Köchler Procédé pour l'opération pour un réseau d'installation recherche personnes
GB2293255A (en) * 1994-09-14 1996-03-20 Paul David Williams Radio paging system

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