WO2001001723A9 - Automatic transmission of a mobile phone's own identification number - Google Patents
Automatic transmission of a mobile phone's own identification numberInfo
- Publication number
- WO2001001723A9 WO2001001723A9 PCT/US2000/018162 US0018162W WO0101723A9 WO 2001001723 A9 WO2001001723 A9 WO 2001001723A9 US 0018162 W US0018162 W US 0018162W WO 0101723 A9 WO0101723 A9 WO 0101723A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless telephone
- automatically
- data
- memory location
- stored
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
Definitions
- the present invention generally relates to wireless telephones, and more specifically to software residing on wireless telephones. Still more specifically, the invention relates to automatically transmitting a wireless phone's identification number upon request.
- Wireless telephones are communications devices that function in a wireless environment.
- Portable phones are typically small, handheld devices and can be carried on the person.
- Mobile phones are typically mounted in a vehicle; they have a base unit or cradle that is fixedly mounted to the vehicle, usually inside the passenger compartment, and a handset that is connected to the base unit or cradle by a wire.
- a fixed wireless phone is usually mounted in a single location. Any of these types of phones can be operated over a terrestrial cellular network or over a satellite communications network. Some wireless phones are capable of operating over both cellular and satellite systems.
- Telephones that operate over short range wireless links such as portable phones that are used in the home or small business environment, and which transmit to and receive signals from a single fixed base station over a short range (for example, several hundred to a thousand meters) are not considered wireless phones for purposes of this disclosure.
- Such single station, short range wireless phones are typically called “cordless phones” and are considered to fall into the category of standard wireline phones (that is, phones connected to the communications network by wires).
- Wireless telephones generally have enhanced functionality compared to standard wireline telephones. Wireless telephones are said to have greater "intelligence.”
- a wireless telephone When a wireless telephone is powered up, it must identify itself to the base station in whose cellular area the wireless telephone is located, in order to initiate communications. This identification is performed when the wireless telephone transmits its mobile identification number (MIN) to the local base station or stations.
- the MIN includes a MIN2, which is the area code of the wireless telephone, and a MINI, which is the central office number followed by the station identification number of the wireless telephone.
- the MIN is the same as the telephone number of the wireless telephone. For example, for the MIN (555) 213-5597, 555 is the MIN2, and 213-5597 is the MINI.
- a difficult dialing situation is when a user wants to access a paging system. For example, suppose a user wishes to dial another user's paging service. The caller will dial the second user's paging service number.
- the called party's paging service will typically respond with a prerecorded message, requesting the caller to key in his own telephone number followed by a final key, such as a pound sign.
- a final key such as a pound sign.
- the caller uses a wireless telephone to make the call, then the telephone number the user must key in is the same as the user's MIN.
- the caller does not remember his wireless phone number. Even if the caller knows his wireless number, he must then key in all ten digits plus the pound or star key. This can be distracting if the caller is driving, or can be difficult if the caller does not have two hands free at that moment. What is needed is a more convenient way for the user to key in his MIN, by dialing fewer digits than the entire MIN.
- the present invention is directed to an automatic dialing feature found in a wireless telephone.
- the information automatically transmitted is the mobile identification number (MIN) of the wireless telephone, although any other information stored by a wireless telephone may be provided automatically as well.
- MIN mobile identification number
- the invention is particularly useful when a user is attempting to enter the MIN when communicating over a wireless connection with a paging system.
- the present invention provides a method for transmitting the MIN of a wireless telephone to a called party's paging system. Initially, the method comprises accessing a paging system for a called party. Upon receipt of a request from the paging system for the MIN, an automatic sequence is initiated to transmit the MIN to the paging system. The MIN is then transmitted to the paging system.
- the MIN is transmitted as one or more dual tone multi-frequency (DTMF) signals representing keys on the wireless telephone.
- DTMF dual tone multi-frequency
- the MIN comprises a MIN2 corresponding to an area code of the wireless telephone and a MINI corresponding to a central office number of the wireless telephone and a station identification number of the wireless telephone.
- a termination sequence is added to the step of initiating the automatic sequence.
- the termination sequence is transmitted following the transmission of the MIN.
- the termination sequence can be a DTMF signal corresponding to a single key of the wireless telephone.
- the single DTMF signal can correspond to a pound key of the wireless telephone.
- the step of accessing a paging system can comprise actuating the wireless telephone to receive a signal from the paging system and then permitting a user to depress a predefined key sequence to establish a connection with the paging system.
- the transmission of the MIN can occur over a traffic channel. Also, the transmission of the MIN and the termination sequence can occur over a traffic channel.
- connection can be automatically terminated after a predetermined timeout period following the transmission of the MIN, or following the transmission of the MIN and the termination sequence.
- FIG. 1 illustrates an exemplary wireless telephone in block diagram form
- FIG. 2 illustrates a flow chart of the steps of the method of the present invention
- FIG. 3 illustrates a generic computer system which may be used to perform the operations of the present invention.
- the present invention is described in terms of an example environment.
- a user automatically dials the mobile identification number (MIN) of the wireless telephone by depressing one or more keys, after a connection is established over a traffic channel with a paging system.
- the MIN is automatically retrieved from memory and transmitted to a base station. Description in these terms is provided for convenience only. It is not intended that the invention be limited to application in this example environment.
- the user can use the wireless phone keypad to dial other information stored in the wireless phone memory as well.
- FIG. 1 illustrates an exemplary wireless telephone 100 in block diagram form.
- Wireless phone 100 can comprise an analog device using analog (for example AMPS) signals, or alternatively as a digital device using digital (for example, CDMA) signals.
- analog for example AMPS
- digital for example, CDMA
- wireless phone 100 is described as a digital device.
- Wireless phone 100 illustrated in FIG. 1 comprises a data entry device (such as a keypad) 102, a display 104, a digital processor 106, a receiver 108, a memory 109, a synthesizer 110, a transmitter 112, a power device 114, a crystal oscillator 116, a duplexer 118 and an antenna 120.
- Power device 114 includes a power control 122 and a real time clock (RTC) 124.
- RTC real time clock
- wireless telephones used for cellular, personal communications service (PCS) and satellite communications.
- PCS personal communications service
- Data entry device 102 can include a keypad with keys labeled numerically and alphabetically. For normal functions, the user presses the keys to make an outbound telephone call. Data entry device 102 can include other input devices as well, such as a data keyboard having menu-driven buttons or arrow keys.
- Display device 104 is a device that displays the telephone number of a called party, or other telephone numbers stored by wireless telephone 100. Display 104 may also display status information in a manner well known to skilled persons in the art.
- Digital processor 106 incorporates a microprocessor and all of the digital circuitry required to operate the wireless telephone.
- processor 106 includes decoders (for decoding received messages), encoders (for encoding transmitted messages), vocoders, interleavors, etc., which are items required for wireless telephone functionality.
- Processor 106 also includes one or more software tasks communicating with a microprocessor, as described further below.
- Power device 114 is the device used to power the wireless telephone.
- Power device 114 comprises power control device 122 and RTC circuit 124.
- RTC circuit 124 interacts with a crystal oscillator 116.
- RTC 124 performs the functions of a low power time keeper, that is, by keeping track of time in seconds, minutes, hours, days, weeks, months and years.
- Transmitter 112 receives baseband signals from processor 106 and transmits these signals to antenna 120. Specifically, signals must be up- converted from the baseband frequencies to the intermediate frequencies (IFs) and from intermediate frequencies to the radio frequencies (RFs).
- IFs intermediate frequencies
- RFs radio frequencies
- transmitter 112 requires up-converting modulators to convert the signal from baseband frequencies to IFs, variable gain amplifiers to amplify the signal, up-converters to convert the signal from IF frequencies to the RFs, RF bandpass filters to filter the RF frequencies, and power amplifiers to amplify the resulting RF signal.
- modulators to convert the signal from baseband frequencies to IFs
- variable gain amplifiers to amplify the signal
- up-converters to convert the signal from IF frequencies to the RFs
- RF bandpass filters to filter the RF frequencies
- power amplifiers to amplify the resulting RF signal.
- Receiver 108 receives RF signals from antenna 120 and transmits the signals to processor 106.
- the signals must be down-converted from the RF frequencies to the IF frequencies, and then further down-converted from the IF frequencies to the baseband frequencies.
- receiver 108 includes a low noise amplifier (LNA) to amplify the received RF signal, bandpass filters to filter the entire radio receive band, down-converters to down convert the RF signal to an IF signal, bandpass filters to filter the IF band, variable gain amplifiers to amplify the signal, IF bandpass filters to filter the IF signal, other variable gain amplifiers to amplify the signal, and down- converting demodulators to demodulate the signal down to a baseband signal.
- LNA low noise amplifier
- Synthesizer 110 is a device that provides reference signals required by transmitter 112 and receiver 108. These reference signals are generated by a local oscillator (that is, a voltage controlled oscillator) and controlled by a phase locked loop (PLL) device.
- the PLL includes programmable dividers, a phase detector and a charge pump.
- the signals produced by synthesizer 110 are mixed with signals in receiver 108 and transmitter 110 to implement the noted down- and up-conversions (that is, between the RF, IF and baseband frequencies).
- the synthesizer can also include a time reference device, such as a temperature compensated crystal oscillator (TCXO). Those skilled in the art will recognize that any comparable synthesizer can be used instead.
- TCXO temperature compensated crystal oscillator
- Duplexer 118 which can comprise a plurality of bandpass RF filters, separates the RF signals transmitted from transmitter 112 and the RF signals received by receiver 108. For North American cellular telephones, 869 MHZ to 894 MHZ are used for received RFs, whereas 824 MHZ to 849 MHZ are used for transmitted RFs. In one embodiment, duplexer 118 uses one receive-side bandpass filter and one transmit-side bandpass filter to effect this separation. Duplexer 118 permits the wireless telephone to have full duplex communications, so that both received and transmitted communications can be implemented simultaneously. Those skilled in the art will recognize that any comparable duplexer can be used instead, and in fact, that a duplexer need not be used to implement the present invention. Antenna 120 transmits and receives RF signals. In one embodiment, antenna 120 is a dipole antenna. However, those skilled in the art will recognize that any comparable antenna can be used instead.
- FIG. 2 is a flow chart illustrating the method of the present invention.
- a user makes a telephone call to access a remote paging system. Prior to making this call, the wireless telephone 100 has already been powered up and is ready to establish communications in the traffic channel with a base station.
- the present invention can function in other channels being used in a digital (for example, CDMA) communications connection, or alternatively in an analog (for example, AMPS) communications connection as well.
- the paging system prompts the user to enter the telephone number of the calling party.
- the telephone number is the mobile identification number (MIN).
- MIN includes a MIN2, which is the area code of the wireless telephone, and a MINI, which is the central office number followed by the station identification number of the wireless telephone.
- the caller takes a predetermined action that initiates an automatic sequence for transmission of the MIN2 and MINI of the wireless telephone 100 to the base station.
- the user presses a key (for example, the message key or the information key) for a predetermined time period, such as 2 seconds, to initiate the automatic sequence.
- a user interface task running in processor 106 compels RTC 124 to count down the period of 2 seconds.
- the user presses a predefined key, followed by the "send" key to initiate the automatic sequence.
- the user presses a combination of two or more keys to initiate the automatic sequence.
- processor 106 there are three relevant software tasks running in processor 106, namely, a user interface task, a call processing task, and a nonvolatile memory task.
- these software tasks are written in the "C" language, including inline Assembly code.
- the names assigned to these tasks are provided for convenience, and are not limiting to the invention.
- the tasks are primarily defined by their respective functions.
- the programming language, and other features of the software running in processor 106 are provided by way of explanation, and are not limiting.
- step 204 MINI and MIN2 are retrieved from memory 109.
- the user is required to hold down a key for a predetermined period of time, for example, 2 seconds. This time period is counted down by RTC 124. When this time period is up, RTC 124 so informs the user interface task running in processor 106. In response, the user interface task sends a message to the nonvolatile memory task.
- the nonvolatile memory task accesses nonvolatile memory 109, where MINI and MIN2 are stored.
- the user interface task retrieves MINI and MIN2. In one embodiment, this retrieval is performed for MIN2 first, followed by MINI. In another embodiment, this retrieval is performed for MINI first, followed by MIN2.
- this retrieval is performed for the entire MIN at the same time. It is also important to note that the retrieval of the MIN can be performed at an earlier time period as well, such as when wireless telephone 100 is initially powered up. In that case, the MIN would be stored in the random access memory (RAM) portion of memory.
- RAM random access memory
- the user interface task stores the MIN in a buffer and transmits the MIN to the call processing task.
- the MIN is followed by a pound ("#") sign or key.
- the pound ("#") key (or any other suitable key) acts as an end of message signal. If MINI and MIN2 were retrieved separately, MIN2 is stored first, then MINI is stored, and a pound ("#") sign is added at the end.
- the call processing task utilizes the available communications channel to send the MIN (and preferably the # sign) to the base station.
- a traffic channel is used.
- the message is a spread spectrum CDMA message, which informs the base station to play the DTMF tones specified in the message to another party (for example, the party being paged).
- an analog connection for example, an AMPS connection
- the actual DTMF tones are sent as signals to the base station.
- the call processing task sends the above- described message to the base station.
- the same message, or an additional message requests that the base station terminate the traffic channel connection.
- the base station terminates the traffic channel, and transmits an appropriate reply to wireless telephone 100.
- Step 210 is an optional timer disconnection step permitting an automatic disconnection of wireless telephone 100 from the connection after a predetermined time period.
- the user interface task compels RTC 124 to count down a time period (for example, 5 seconds). When the time period is up, RTC 124 so informs the user interface task.
- the user interface task sends a message to the call processing task to release the call.
- the call processing task ensures that the MIN has already been transmitted to the base station, and performs the additional processing of step 208 to terminate the connection.
- the present invention is preferably implemented in software.
- the invention may be implemented using hardware or a combination of hardware and software. Consequently, the invention may be implemented in a computer system or other processing system.
- An example of such a computer system built into a wireless phone is shown generally in FIG. 3.
- a computer system 300 includes one or more processors, such as processor 304.
- the processor 304 is connected to a communication infrastructure 306 (for example, a bus or network).
- Various software implementations are described in terms of this exemplary computer system. After reading this description, it will become apparent to a person skilled in the relevant art how to implement the invention using other computer systems and/or computer architectures.
- Computer system 300 also includes a first memory 308, preferably random access memory (RAM), and may also include a second memory 310, preferably a read only memory (ROM). Memory 310 allows computer programs or other instructions to be loaded into computer system 300.
- RAM random access memory
- ROM read only memory
- Computer system 300 may also include a communications interface 324.
- Communications interface 324 allows software and data to be transferred between computer system 300 and external devices. Examples of communications interface 324 may include a modem, a communications port, a PCMCIA slot and card, etc.
- Software and data transferred via communications interface 324 are in the form of signals which are capable of being received by communications interface 324. These signals 328 are provided to communications interface 324 via a communications path 326.
- Communications path 326 carries signals 328 and may be implemented using wire or cable, fiber optics, a phone line, a cellular phone link, an RF link and other communications channels.
- the terms "computer program medium” and “computer usable medium” are used to generally refer to media such as ROM 310 or a removable storage device 314, such as a PCMCIA card. These computer program products are means for providing software to computer system 300.
- Computer programs are stored in RAM memory 308 and /or ROM memory 310. Computer programs may also be received via communications interface 324. Such computer programs, when executed, enable the computer system 300 to implement the present invention as discussed herein. In particular, the computer programs, when executed, enable the processor 304 to implement the process of the present invention. Accordingly, such computer programs represent controllers of the computer system 300. In a preferred embodiment of the invention, the processes in which a cellular telephone is permitted (or denied) the placement or receipt of a call, learns and records the identities of the accessible cells, and performs cell handoffs, are all performed by computer control logic. Where the invention is implemented using software, the software may be stored in a computer program product and loaded into computer system 300 using ROM 310, removable storage device 314 or communications interface 324.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002377191A CA2377191A1 (en) | 1999-06-30 | 2000-06-29 | Automatic transmission of a mobile phone's own identification number |
AU57835/00A AU5783500A (en) | 1999-06-30 | 2000-06-29 | Automatic transmission of a mobile phone's own identification number |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34329499A | 1999-06-30 | 1999-06-30 | |
US09/343,294 | 1999-06-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001001723A1 WO2001001723A1 (en) | 2001-01-04 |
WO2001001723A9 true WO2001001723A9 (en) | 2002-07-25 |
Family
ID=23345500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/018162 WO2001001723A1 (en) | 1999-06-30 | 2000-06-29 | Automatic transmission of a mobile phone's own identification number |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5783500A (en) |
CA (1) | CA2377191A1 (en) |
WO (1) | WO2001001723A1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997001252A1 (en) * | 1995-06-22 | 1997-01-09 | Peter James | Method and apparatus for paging based on caller id |
US6061560A (en) * | 1997-04-30 | 2000-05-09 | Nortel Networks Corporation | Method and apparatus for delivering and presenting calling name information in a wireless communications system |
-
2000
- 2000-06-29 AU AU57835/00A patent/AU5783500A/en not_active Abandoned
- 2000-06-29 CA CA002377191A patent/CA2377191A1/en not_active Abandoned
- 2000-06-29 WO PCT/US2000/018162 patent/WO2001001723A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CA2377191A1 (en) | 2001-01-04 |
WO2001001723A1 (en) | 2001-01-04 |
AU5783500A (en) | 2001-01-31 |
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