WO2005011301A2 - Wireless network location-based reference information - Google Patents

Wireless network location-based reference information Download PDF

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Publication number
WO2005011301A2
WO2005011301A2 PCT/US2004/023339 US2004023339W WO2005011301A2 WO 2005011301 A2 WO2005011301 A2 WO 2005011301A2 US 2004023339 W US2004023339 W US 2004023339W WO 2005011301 A2 WO2005011301 A2 WO 2005011301A2
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WO
WIPO (PCT)
Prior art keywords
location
subscriber
wireless network
reference information
network according
Prior art date
Application number
PCT/US2004/023339
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French (fr)
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WO2005011301A3 (en
Inventor
Joseph Pohutsky
Joel Groan
Steve Helme
Original Assignee
Telecommunication Systems, 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 Telecommunication Systems, Inc. filed Critical Telecommunication Systems, Inc.
Priority to AU2004301637A priority Critical patent/AU2004301637B9/en
Priority to EP04778713.0A priority patent/EP1652329B1/en
Publication of WO2005011301A2 publication Critical patent/WO2005011301A2/en
Publication of WO2005011301A3 publication Critical patent/WO2005011301A3/en

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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
    • H04W4/02—Services making use of location information
    • 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]

Definitions

  • This invention relates generally to the field of wireless telecommunications. More particularly, it relates to a system and method for implementing a location-related information service in a wireless phone network, particularly with respect to short messaging systems (SMS), IS-41C, and location-enabled content pulls.
  • SMS short messaging systems
  • IS-41C IS-41C
  • wireless devices such as wireless telephones play an important role. Much information is but a phone call away.
  • One service that a wireless device can provide is information relating to a particular area. For instance, if one were traveling or otherwise in an unfamiliar area and wanted to locate a nice restaurant, perhaps a friendly inquisition of a gas station attendant might be helpful. Or, advertising signs might be the basis for selection of a good meal.
  • a phone book is also a conventional way to find a particular service.
  • Wireless devices have provided the ability to determine the location of services in an area much more conveniently. For instance, one existing wireless device technology uses mobile originated short messaging system (SMS) techniques. In this conventional technique, a user drafts and sends a text message to a particular service to which they subscriber.
  • SMS mobile originated short messaging system
  • the text message that the user writes must include the type of content desired, together with basic information regarding a broadly defined location of the user, e.g., zip code, city or state.
  • a broadly defined location of the user e.g., zip code, city or state.
  • SMS mobile originated short message system
  • a method and apparatus for providing location-based reference information in a wireless network comprises receiving an information telephone call from a subscriber.
  • a telephone number initiating the telephone call includes at least one auxiliary digit beyond those associated with the information telephone call.
  • a location-based wireless service is used to obtain a location of the subscriber.
  • a short message relating to the location is retrieved based on requested information associated with the auxiliary digit(s). The retrieved short message is transmitted to the subscriber.
  • FIG. 1 shows the four main components of an exemplary 411 xx system in accordance with the principles of the present invention.
  • Fig. 2 is an exemplary 411xx call flow ladder diagram for the exemplary 411xx system shown in Fig. 1.
  • Fig. 3 shows an exemplary 411xx application internal call flow for the exemplary 411xx system shown in Fig. 1.
  • DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS The present invention provides a '411xx' value added service to wireless users.
  • the disclosed '411xx' service allows a mobile user who may be unfamiliar with their current geographic location to nevertheless obtain desired information.
  • a mobile user is provided with quick, accurate, and current information relating to the geographic area, e.g., different services in their current location, stores, libraries, gas stations, etc., via a mobile terminated (MT) short message system (SMS) message.
  • the present invention is a variant of the traditional directory assistance information service call 4-1-1.
  • a mobile user in addition to the traditional '4-1-1' dialed digits, a mobile user would also dial a number (or numbers) representing a feature code for a particular service.
  • Example services might be 'nearby automated teller machines (ATMs)', or 'local traffic information'.
  • the 'xx' in the '411xx' service name represents two digits by way of example only. More than 2 extra digits may be implemented within the principles of the present invention, as may only a single extra digit in extremely simple systems.
  • MSC MSC
  • ORREQ/TCAP ORREQ/TCAP trigger based on a translation of the requested service represented by the extra 'xx' digits.
  • this could be an ISUP based trigger, or a GSM message such as initialDP.
  • the 411 xx call is terminated on the MSC after an audible whisper notice plays to the caller, e.g., "thank you for calling, your requested information will be sent momentarily".
  • audible whisper notice plays to the caller, e.g., "thank you for calling, your requested information will be sent momentarily".
  • Auxiliary benefits arise from the present invention as well.
  • FIG. 1 shows four main components of an exemplary 411 xx system in accordance with the principles of the present invention.
  • an exemplary 411xx system has four major components: an application handling mobile switching center (MSC) feature code translations 102, a location system 104, a Short Messaging System (SMS) system 106, and a content provider 108.
  • MSC application handling mobile switching center
  • SMS Short Messaging System
  • the 411xx dialed number comprises lead digits of
  • step 2 the 411xx telephone call is passed in an ORREQ/TCAP message to the location system 104, and then on to the SMS system 106 as shown in step 3.
  • step 4 the SMS system 106 requests content from the relevant content provider 108.
  • step 5 the content provider 108 packages the requested content information into an SMS message back to the SMS system 106.
  • step 6 the SMS system 106 forwards the SMS message including the requested content information to the MSC 102 servicing the subscriber 101.
  • step 7 the SMS message response is delivered to the subscriber 101 from the MSC 102.
  • Step 8 depicts TDR messages being transmitted by the SMS system 106 to the billing mediation server 110.
  • Fig. 1 also depicts a step 0, which relates to the use of a 411 xx service in conjunction with advertising.
  • Fig. 2 is an exemplary 411xx call flow ladder diagram for the exemplary 411xx system shown in Fig. 1. This is an ANSI-only call, and is used for exemplary purposes only. The present invention relates equally to GSM call flow.
  • a subscriber 101 makes a phone call with 411xx dialed digits, that is transmitted to the servicing MSC 102.
  • an ORREQ INVOKE message is transmitted from the MSC 102 to a STP 202, with relevant parameters for an otherwise conventional ORREQ INVOKE message, including [BILLID,
  • step 223 the STP 202 passes the ORREQ INVOKE message to an SCP 411 204.
  • the SCP 411 204 returns an ORREQ
  • step 225 the STP 202 passes the ORREQ RETURN
  • the SCP 204 sends a SUBMIT_SM message to the relevant SMPP server 206 including relevant parameters, e.g.
  • step 2208 the SMPP server 206 returns a
  • step 229 the SMPP server 206 transmits the SMPP MIN, Short Message to the subscriber 101.
  • a SMPP Delivery Receipt is transmitted by the MSC 102 to the SMPP server 206.
  • a DELIVER_SM message is transmitted by the SMPP server 206 to the SCP 204, including relevant parameters [service_type, source_addr_ton, source_addr_npi, source_addr, dest_addr_ton, dest_addr_npi, destination_addr, esm_class protocoljd, priority_flag, schedule_delivery_time, validity_period registered_delivery, replace_if_present_flag, data_coding sm_default_mgjd, smjength, short_message user_message_reference, and message_state]
  • the SCP 204 returns a DELIVER_SM- RESPONSE message back to the SMPP server 206, including the relevant parameters [commandjength, commandjd, command_status, sequence_number, and messageJD] Fig.
  • step 321 of Fig. 3 shows an exemplary 411xx application internal call flow for the exemplary 411xx system shown in Fig. 1.
  • an ORREQ INVOKE message is passed from the STP 301 to a 411 SCPapp 302, including relevant parameters [BILLID, MIN, ESN, MSCID, DGTSDIAL, ORIGTRIG, and TRANSCAP]
  • step 322 an ORREQ RETURN RESULTS message is passed by the 411 SCPapp 302 back to the STP 301, including relevant parameters [Identifier, Length, AccessDeniedReason, and ActionCode]
  • a NQUEUE message is transmitted by the 411 SCPapp 302 to the 411 Queue 303, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, and transTime]
  • step 324 the 411 SCPapp 302 transmits a NQUEUE message to a 411 internal queue 304, including relevant parameters [
  • step 327 an Internet API over TCP/IP message is transmitted by the content provider 307 back to the 411 content application 305.
  • step 328 a DBSelect message is transmitted from a database 306 to the 411 content application 305, including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, and deliveryCode].
  • an NQUEUE message is transmitted from the 411 content application 305 to the SMPP queue 309, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, and deliveryCode]
  • a DQUEUE message is transmitted from the
  • MSPP Queue 309 to the 411 back end 310 including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum]
  • a NQUEUE message is transmitted from the 411 back end 310 to the DB Queue 308, including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum]
  • a DBinsert message is transmitted from the 411 back end 310 to the database 306, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum]
  • the present invention is applicable for any mobile device that supports mobile terminated SMS (MT SMS), or any wireless telephone capable

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

Abstract

The present invention provides a '411xx' value added service to wireless users. The disclosed '411xx' service allows a mobile user who may be unfamiliar with their current geographic location to nevertheless obtain quick, accurate, and current information relating to the geographic area, e.g., different services in their current location, stores, libraries, gas stations, etc., via a mobile terminated (MT) short message system (SMS) message. In addition to the traditional ‘4-1-1' dialed digits, a mobile user would also dial a number (or numbers) representing a feature code for a particular service, e.g., nearby ATMs, or traffic information. Upon receiving a 411xx call, the MSC generates an ORREQ/TCAP trigger based on a translation of the requested service represented by the extra 'xx' digits. The 411xx call is terminated on the MSC after an audible whisper notice plays to the caller, e.g., 'thank you for calling, your requested information will be sent momentarily'.

Description

WIRELESS NETWORK LOCATION-BASED REFERENCE INFORMATION
BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to the field of wireless telecommunications. More particularly, it relates to a system and method for implementing a location-related information service in a wireless phone network, particularly with respect to short messaging systems (SMS), IS-41C, and location-enabled content pulls.
2. Background of Related Art In todays world, wireless devices such as wireless telephones play an important role. Much information is but a phone call away. One service that a wireless device can provide is information relating to a particular area. For instance, if one were traveling or otherwise in an unfamiliar area and wanted to locate a nice restaurant, perhaps a friendly inquisition of a gas station attendant might be helpful. Or, advertising signs might be the basis for selection of a good meal. A phone book is also a conventional way to find a particular service. Wireless devices have provided the ability to determine the location of services in an area much more conveniently. For instance, one existing wireless device technology uses mobile originated short messaging system (SMS) techniques. In this conventional technique, a user drafts and sends a text message to a particular service to which they subscriber. The text message that the user writes must include the type of content desired, together with basic information regarding a broadly defined location of the user, e.g., zip code, city or state. Unfortunately, conventional techniques require the user to know their geographic location at any particular time, and to enter that geographic location as well as the particular type information sought via their mobile originated short message system (SMS) service. This knowledge is often difficult if not impossible to obtain accurately, and the required inputs are cumbersome and extensive. There is a need for a mobile system that is capable of quick, accurate, and easily obtained location-based information.
SUMMARY OF THE INVENTION In accordance with the principles of the present invention, a method and apparatus for providing location-based reference information in a wireless network comprises receiving an information telephone call from a subscriber. A telephone number initiating the telephone call includes at least one auxiliary digit beyond those associated with the information telephone call. A location-based wireless service is used to obtain a location of the subscriber. A short message relating to the location is retrieved based on requested information associated with the auxiliary digit(s). The retrieved short message is transmitted to the subscriber. BRIEF DESCRIPTION OF THE DRAWINGS Features and advantages of the present invention will become apparent to those skilled in the art from the following description with reference to the drawings, in which: Fig. 1 shows the four main components of an exemplary 411 xx system in accordance with the principles of the present invention. Fig. 2 is an exemplary 411xx call flow ladder diagram for the exemplary 411xx system shown in Fig. 1. Fig. 3 shows an exemplary 411xx application internal call flow for the exemplary 411xx system shown in Fig. 1. DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS The present invention provides a '411xx' value added service to wireless users. The disclosed '411xx' service allows a mobile user who may be unfamiliar with their current geographic location to nevertheless obtain desired information. In accordance with the principles of the present invention, a mobile user is provided with quick, accurate, and current information relating to the geographic area, e.g., different services in their current location, stores, libraries, gas stations, etc., via a mobile terminated (MT) short message system (SMS) message. The present invention is a variant of the traditional directory assistance information service call 4-1-1. In accordance with an embodiment of the present invention, in addition to the traditional '4-1-1' dialed digits, a mobile user would also dial a number (or numbers) representing a feature code for a particular service. Example services might be 'nearby automated teller machines (ATMs)', or 'local traffic information'. The 'xx' in the '411xx' service name represents two digits by way of example only. More than 2 extra digits may be implemented within the principles of the present invention, as may only a single extra digit in extremely simple systems. Upon receiving a 411xx call, the mobile switching center
(MSC) generates an ORREQ/TCAP trigger based on a translation of the requested service represented by the extra 'xx' digits. For a GSM system, this could be an ISUP based trigger, or a GSM message such as initialDP. The 411 xx call is terminated on the MSC after an audible whisper notice plays to the caller, e.g., "thank you for calling, your requested information will be sent momentarily". Auxiliary benefits arise from the present invention as well.
For instance, by virtue of terminating a request for services call at the relevant MSC. lonα distance charges are likely avoided. Moreover, in many subscriber plans, no airtime charges to the subscriber would apply. Fig. 1 shows four main components of an exemplary 411 xx system in accordance with the principles of the present invention. In particular, as shown in Fig. 1, an exemplary 411xx system has four major components: an application handling mobile switching center (MSC) feature code translations 102, a location system 104, a Short Messaging System (SMS) system 106, and a content provider 108. In operation, as shown in step 1 of Fig. 1 , a subscriber
101 requests directed information by dialing '411xx' on his or her wireless telephone. The 411xx dialed number comprises lead digits of
'411' (traditionally a telephone number for phone number information), followed by two (or more) trailing digits (i.e., 'XX'). In step 2, the 411xx telephone call is passed in an ORREQ/TCAP message to the location system 104, and then on to the SMS system 106 as shown in step 3. In step 4, the SMS system 106 requests content from the relevant content provider 108. In step 5, the content provider 108 packages the requested content information into an SMS message back to the SMS system 106. In step 6, the SMS system 106 forwards the SMS message including the requested content information to the MSC 102 servicing the subscriber 101. In step 7, the SMS message response is delivered to the subscriber 101 from the MSC 102. Step 8 depicts TDR messages being transmitted by the SMS system 106 to the billing mediation server 110. Fig. 1 also depicts a step 0, which relates to the use of a 411 xx service in conjunction with advertising. In this application, once a subscriber sees, hears or is otherwise informed of particular 411xx information via advertising, he or she becomes induced into dialing the relevant 411xx telephone number. Fig. 2 is an exemplary 411xx call flow ladder diagram for the exemplary 411xx system shown in Fig. 1. This is an ANSI-only call, and is used for exemplary purposes only. The present invention relates equally to GSM call flow. In particular, as shown in step 221, a subscriber 101 makes a phone call with 411xx dialed digits, that is transmitted to the servicing MSC 102. In step 222, an ORREQ INVOKE message is transmitted from the MSC 102 to a STP 202, with relevant parameters for an otherwise conventional ORREQ INVOKE message, including [BILLID,
MIN, ESN, MSCID, DGTSDIAL, ORIGTRIG, and TRANSCAP] In step 223, the STP 202 passes the ORREQ INVOKE message to an SCP 411 204. The SCP 411 204 returns an ORREQ
RETURN RESULTS message with relevant parameters [identifier,
Length, AccessDeniedReason, and ActionCode] In step 225, the STP 202 passes the ORREQ RETURN
RESULTS message with relevant parameters [AccessDeniedReason and ActionCode] to the MSC 102. In step 227, the SCP 204 sends a SUBMIT_SM message to the relevant SMPP server 206 including relevant parameters, e.g.
[service_type, source_addr_ton, source_addr_npi, source_addr. destination_addr_ton, destination_addr_npi, destination_addr; esm_class, protocoljd, priority_flag, schedule_delivery_time validity_period, registered_delivery, replace_if_present_flag data_coding, sm_default_mg_id, smjength, shortjnessage user_message_reference, sar_msg_ref_num, sar_total_segments sar_segment_seqnum] In step 228, the SMPP server 206 returns a
SUBMIT_SM-RESPONSE message, including relevant parameters
[commandjength, command jd, command_status, sequence_number, and messageJD] In step 229, the SMPP server 206 transmits the SMPP MIN, Short Message to the subscriber 101. : In step 230, a SMPP Delivery Receipt is transmitted by the MSC 102 to the SMPP server 206. In step 231, a DELIVER_SM message is transmitted by the SMPP server 206 to the SCP 204, including relevant parameters [service_type, source_addr_ton, source_addr_npi, source_addr, dest_addr_ton, dest_addr_npi, destination_addr, esm_class protocoljd, priority_flag, schedule_delivery_time, validity_period registered_delivery, replace_if_present_flag, data_coding sm_default_mgjd, smjength, short_message user_message_reference, and message_state] In step 232, the SCP 204 returns a DELIVER_SM- RESPONSE message back to the SMPP server 206, including the relevant parameters [commandjength, commandjd, command_status, sequence_number, and messageJD] Fig. 3 shows an exemplary 411xx application internal call flow for the exemplary 411xx system shown in Fig. 1. In particular, as shown in step 321 of Fig. 3, an ORREQ INVOKE message is passed from the STP 301 to a 411 SCPapp 302, including relevant parameters [BILLID, MIN, ESN, MSCID, DGTSDIAL, ORIGTRIG, and TRANSCAP] In step 322, an ORREQ RETURN RESULTS message is passed by the 411 SCPapp 302 back to the STP 301, including relevant parameters [Identifier, Length, AccessDeniedReason, and ActionCode] In step 323, a NQUEUE message is transmitted by the 411 SCPapp 302 to the 411 Queue 303, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, and transTime] In step 324, the 411 SCPapp 302 transmits a NQUEUE message to a 411 internal queue 304, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, transTime] In step 325, a DQUEUE message is transmitted by the 411 queue 303 to the 411 content application 305, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, and transTime] In step 326, a DQUEUE message is transmitted by the
411 internal queue 304 to the 411 content application 305, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, and transTime] In step 327, an Internet API over TCP/IP message is transmitted by the content provider 307 back to the 411 content application 305. In step 328, a DBSelect message is transmitted from a database 306 to the 411 content application 305, including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, and deliveryCode]. In step 329, an NQUEUE message is transmitted from the 411 content application 305 to the SMPP queue 309, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, and deliveryCode] In step 330, a DQUEUE message is transmitted from the
MSPP Queue 309 to the 411 back end 310, including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum] In step 331, a NQUEUE message is transmitted from the 411 back end 310 to the DB Queue 308, including relevant parameters cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum] In step 332, a DBinsert message is transmitted from the 411 back end 310 to the database 306, including relevant parameters [cellid, mobiljd, dialedDigits, mscid, billingid, transTime, contentCont, msg, deliveryCode, and SmppseqNum] The present invention is applicable for any mobile device that supports mobile terminated SMS (MT SMS), or any wireless telephone capable of receiving short message system (SMS), EMS or MMS messages. It has applicability with, e.g., call center based concierge services, and text based 4-1-1 services. The inventive system is relatively easy and affordable for the mobile operator to implement. In accordance with the principles of the present invention, the short messaging may be combined with audio passages based on the particular application. While the invention has been described with reference to the exemplary embodiments thereof, those skilled in the art will be able to make various modifications to the described embodiments of the invention without departing from the true spirit and scope of the invention.

Claims

What is claimed is: 1. A method of providing location-based reference information in a wireless network, comprising: receiving an information telephone call from a subscriber, a telephone number initiating said telephone call including at least one auxiliary digit beyond those associated with the information telephone call; using a location-based wireless service to obtain a location of said subscriber; retrieving a short message relating to said location based on requested information associated with said at least one auxiliary digit; and transmitting said retrieved short message to said subscriber.
2. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: at least two auxiliary digits are included with said information telephone call.
3. The method of providing location-based reference information in a wireless network according to claim 1, wherein: said information telephone call is initiated with dialed digits "4-1-1".
4. The method of providing location-based reference information in a wireless network according to claim 1, wherein: said location of said subscriber is obtained using wireless or cellular network signaling.
5. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: said obtained short message is transmitted to said subscriber substantially while said subscriber remains at said determined location,
6. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: said location of said subscriber is determined using an angle of arrival of a wireless signal from said subscriber.
7. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: said location of said subscriber is determined using a network generated location based on a centroid of a cell site sector's radio frequency (RF) polygon.
8. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: said location of said subscriber is determined using a time difference of arrival of wireless signals from said subscriber.
9. The method of providing location-based reference information in a wireless network according to claim 1, wherein: said location of said subscriber is determined using time of arrival of a wireless signal from said subscriber.
10. The method of providing location-based reference information in a wireless network according to claim 1 , wherein: ' said location of said subscriber is determined using the known location of a cell/sector servicing said subscriber.
11. A method of providing location-based reference information in a wireless network, comprising: receiving an information telephone call from a subscriber, a telephone number initiating said telephone call including at least one auxiliary digit beyond those associated with the information telephone call; using a location-based wireless service to obtain a location of said subscriber; retrieving a short message relating to said location based on requested information associated with said at least one auxiliary digit; and transmitting said retrieved short message to said subscriber.
12. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: at least two auxiliary digits are included with said information telephone call.
13. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said information telephone call is initiated with dialed digits "4-1-1".
14. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said location of said subscriber is obtained using wireless or cellular network signaling.
15. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said obtained short message is transmitted to said subscriber substantially while said subscriber remains at said determined location.
16. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said location of said subscriber is determined using an angle of arrival of a wireless signal from said subscriber.
17. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said location of said subscriber is determined using a time difference of arrival of wireless signals from said subscriber.
18. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said location of said subscriber is determined using time of arrival of a wireless signal from said subscriber.
19. The method of providing location-based reference information in a wireless network according to claim 11 , wherein: said location of said subscriber is determined using the known location of a cell/sector servicing said subscriber.
Figure imgf000014_0001
0. User sees advertising for 411 xx service/
FIG. 1
Figure imgf000014_0002
PCT/US2004/023339 2003-07-21 2004-07-21 Wireless network location-based reference information WO2005011301A2 (en)

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AU2004301637A1 (en) 2005-02-03
US20080051058A1 (en) 2008-02-28
US20110143780A1 (en) 2011-06-16
US20050020287A1 (en) 2005-01-27
EP1652329B1 (en) 2015-06-17
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US7904100B2 (en) 2011-03-08
EP1652329A4 (en) 2011-08-10
AU2004301637B2 (en) 2009-04-30

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