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WO2016190843A1 - Sauvegarde de télécommunication pour un service de données radio (rds) - Google Patents

Sauvegarde de télécommunication pour un service de données radio (rds) Download PDF

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Publication number
WO2016190843A1
WO2016190843A1 PCT/US2015/032259 US2015032259W WO2016190843A1 WO 2016190843 A1 WO2016190843 A1 WO 2016190843A1 US 2015032259 W US2015032259 W US 2015032259W WO 2016190843 A1 WO2016190843 A1 WO 2016190843A1
Authority
WO
WIPO (PCT)
Prior art keywords
traffic information
short message
message service
navigation system
modulated signal
Prior art date
Application number
PCT/US2015/032259
Other languages
English (en)
Inventor
James Fowe
Arun MOHAPATRO
Jingwei Xu
Antonio BAUTISTA
Original Assignee
Here Global B.V.
Nokia Usa 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 Here Global B.V., Nokia Usa Inc. filed Critical Here Global B.V.
Priority to PCT/US2015/032259 priority Critical patent/WO2016190843A1/fr
Publication of WO2016190843A1 publication Critical patent/WO2016190843A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/20—Arrangements for broadcast or distribution of identical information via plural systems
    • H04H20/24—Arrangements for distribution of identical information via broadcast system and non-broadcast system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/55—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/30—Aspects of broadcast communication characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data
    • H04H2201/37—Aspects of broadcast communication characterised by the use of a return channel, e.g. for collecting users' opinions, for returning broadcast space/time information or for requesting data via a different channel

Definitions

  • FM radio broadcasts can embed digital data in the broadcast.
  • an FM radio broadcast signal may include a subcarrier carrying the embedded digital data.
  • the receiver may decode the primary carrier carrying for example music and the like, but the receiver may include additional circuitry to decode the FM subcarrier in order to obtain the digital data.
  • the digital data may be embedded in the FM signal in accordance with a standard, such as the Radio Broadcast Data System (RBDS) protocol or Radio Data System protocol (RDS, which refers to the U.S. version of RBDS).
  • RBDS Radio Broadcast Data System
  • RDS Radio Data System protocol
  • the RDS/RBDS standards may define the FM subcarrier, data rates, and formats of the payload carrying the embedded digital data.
  • RDS/RBDS may be used to carry a variety of data including a radio station identifier, program information (for example, name of the song, genre, and the like), and time.
  • the RDS/RBDS may include a traffic message channel (TMC), which may also include traffic information, traffic announcements, traffic alerts, weather alerts, as well as other types of traffic -related information.
  • TMC traffic message channel
  • a navigation device such as personal navigation device (PND) may receive in real time, or near real time, traffic updates for the route or vicinity associated with the PND, and this traffic information may be received via RDS/RBDS's traffic channel.
  • PND personal navigation device
  • the method may include receiving, from an frequency modulated signal, traffic information; sending a short message service request message representative of a request to receive the traffic information from a backup path comprising a cellular network, when the frequency modulated signal carrying the traffic information is lost; and receiving, in response to the short message service request message, at least one short message service message including the traffic information.
  • the method may also include sending a short message service stop message to request that transmission of the traffic information via the at least one short message service message be inhibited, when the frequency modulated signal carrying the traffic information is reacquired.
  • the short message service request message may include a current location of a navigation system.
  • the short message service request message may include at least one of an identity of the navigation system, a target destination of the navigation system, or a flag.
  • the at least one short message service message may include a short message service protocol identifier indicating that the at least one short message service message includes the traffic information.
  • the traffic information may be considered lost when the navigation system fails to obtain the traffic information from the frequency modulated signal.
  • the at least one short message service message which may include the traffic information may be carried by a short message service cell broadcast.
  • the navigation system may include at least one of a personal navigation system, a user equipment, or an embedded vehicle navigation system.
  • the method may include sending, on an frequency modulated signal, traffic information; receiving a short message service request message representative of a request by a navigation system to obtain the traffic information from a backup path comprising a cellular network; and sending, in response to the short message service request message, at least one short message service message including the traffic information.
  • the method may further include receiving a short message service stop message to inhibit the traffic information provided via the at least one short message service message.
  • the short message service request message may include a current location of the navigation system.
  • the short message service request message may include at least one of an identity of the navigation system, a target destination of the navigation system, or a flag.
  • the at least one short message service message may include a short message service protocol identifier indicating that the at least one short message service message includes the traffic information.
  • the short message service request message traffic information may be received, when the navigation system loses traffic information from the frequency modulated signal.
  • the at least one short message service message which may include the traffic information may be carried by a short message service cell broadcast.
  • an apparatus including means for sending, on an frequency modulated signal, traffic information; means for receiving a short message service request message representative of a request by a navigation system to obtain the traffic information from a backup path comprising a cellular network; and means for sending, in response to the short message service request message, at least one short message service message including the traffic information.
  • FIG. 1 depicts an example of a system including a backup cellular path for traffic information, in accordance with some example embodiments
  • FIG. 3A depicts an example of a process for providing traffic information over a cellular network as a backup to FM, in accordance with some example embodiments
  • FIG. 3B depicts another example of a process for providing traffic information over a cellular network as a backup to FM, in accordance with some example embodiments.
  • FIG. 4 depicts an example of an apparatus, in accordance with some example embodiments.
  • FM radio broadcasts are not ubiquitous and, as such, have coverage gaps due to technical, geographic, and/or cost reasons.
  • a personal navigation device may not be able to receive and decode the FM signals carrying the RDS, for example, when the FM signal is relatively weak and thus the FM subcarrier carrying the RDS traffic message channel (TMC) cannot be properly decoded in order to obtain the traffic information.
  • TMC RDS traffic message channel
  • the PND may lose its real-time traffic feed, in which case the PND may lose traffic updates for the route being navigated.
  • a cellular network backup to RDS and, in particular, a backup to the RDS traffic channel, such as the traffic message channel (TMC).
  • TMC traffic message channel
  • the PND may send a message, such as an SMS message and/or the like, to a traffic service provider.
  • This message may, in accordance with some example embodiments, indicate to the traffic service provider (TSP) that the traffic information (which is primarily sent via the FM RDS broadcast) should be sent via the backup cellular network, such as via an SMS message and/or the like.
  • TSP traffic service provider
  • the PND may send an SMS message to an SMS server associated with, or coupled to, the traffic service provider.
  • the traffic service provider may , for example, send to the PND SMS message(s) including traffic information, such as a traffic incident information related to accidents, weather alerts, road hazards alerts, information regarding detours, predetermined traffic alert codes, and/or other information that may be related to traffic.
  • traffic information such as a traffic incident information related to accidents, weather alerts, road hazards alerts, information regarding detours, predetermined traffic alert codes, and/or other information that may be related to traffic.
  • the PND when the PND detects that the FM signal is sufficiently strong to enable reception of the RDS information, the PND may send a stop message, such as an SMS text, to the traffic service provider.
  • This stop message may indicate that the PND can receive traffic information via the FM broadcast and, as such, the traffic service provider should stop sending the RDS traffic information over the cellular network as SMS message.
  • the traffic service provider may stop sending the traffic information over the backup cellular network via for example SMS messages.
  • traffic information may be sent using cell broadcast (for example, SMS cell broadcast) in areas where FM coverage for RDS is known to be weak. Accordingly, any PND within range of a cellular base station may receive traffic information over the SMS cell broadcast.
  • cell broadcast for example, SMS cell broadcast
  • the traffic information may be sent to the PND via the cellular network in other ways as well including for example multimedia message service (MMS), general packet radio service (GPRS), Long Term Evolution (LTE), HTTP messages (for example, get, put, and/or the like) as well as other data services which may be provided by a cellular network.
  • MMS multimedia message service
  • GPRS general packet radio service
  • LTE Long Term Evolution
  • HTTP messages for example, get, put, and/or the like
  • the traffic may be sent in accordance with other standards including RDBS and/or the like.
  • FIG. 1 depicts a system 100 including one or more PNDs 110A-C, in accordance with some example embodiments.
  • a PND for example, a dedicated navigation system which can be carried in and out of a vehicle
  • other types of navigation systems may be used as well (for example, a vehicle embedded navigation system, a mobile phone application on a smart phone, a user equipment and/or the like).
  • System 100 may also include a traffic service provider (TSP) 190, which may further include, or be coupled to, a source of traffic information 192, such as traffic alerts indicative of accidents, traffic alerts for slow or stopped traffic, weather alerts, road hazard alerts, and/or other traffic related information.
  • TSP traffic service provider
  • source of traffic information 192 such as traffic alerts indicative of accidents, traffic alerts for slow or stopped traffic, weather alerts, road hazard alerts, and/or other traffic related information.
  • TSP 190 may transmit traffic information via the backup cellular network, when a PND is not able to receive and decode the FM RDS TMC.
  • the cellular network may serve as a backup for FM RDS.
  • the cellular backup may provide a wider coverage area for the TSP's information, so PNDs may be able to receive the traffic information over a wider area, when compared to a dissemination system that only uses FM broadcasts.
  • SMS message 170 may request activation of the cellular backup for RDS traffic information.
  • TSP 190 may then provide the traffic information via SMS message(s) 172, although other types of message may be used as well as noted.
  • the SMS request message 170 may include the PND's current location, the PND's target destination, and/or an identifier (or key) for the PND.
  • the current location and target destination may be used by the TSP to monitor possible routes to the target destination and provide via, for example SMS message(s), traffic information for the appropriate road segment(s) along those routes.
  • the PND identifier (or key) may be used by the TSP to determine whether the PND is authorized to receive the information.
  • the TSP 190 may also include an RDS server 194.
  • the RDS server 194 may provide traffic information for traffic message channels (TMCs) carried by the FM RDS broadcasts.
  • TMCs traffic message channels
  • the RDS server 194 may aggregate information for each FM RDS broadcast, and the aggregated information is aggregated to take into account the coverage area of (or routes associated with) the FM RDS broadcast.
  • the RDS server 194 may send to an FM broadcast in Cleveland, Ohio traffic information for the Cleveland area covered by the FM radio station, rather than traffic information for Los Angeles.
  • the RDS server 194 may interface with one or more FM radio broadcasters 150, where the FM RDS broadcast is transmitted via links 152A- C to PNDs 1 10A-C.
  • TSP 190 may also include an SMS server 196.
  • the SMS server 196 may handle and/or control the RDS traffic information to be sent via SMS to a given PND.
  • SMS server 196 may send traffic information that is relevant to a PND's route from a current location to a target destination or relevant to the vicinity adjacent to the PND's current location.
  • the SMS server 196 may interface with the cellular network 160 including the SMS servers therein in order to send and/or receive SMS messages from and/or to the PNDs 1 lOA-C.
  • SMS server 196 may obtain and/or query the traffic information specific to each PND (and/or the PND's location or route).
  • PND HOC may send SMS message 170 to TSP 190 via the cellular network 160, when the PND 1 IOC determines that the RDS cellular backup should be used. For example, when the FM signal carrying the RDS traffic at 152C reaches a threshold, such as a signal to noise ratio, a decoded error rate of the RDS TMC, and/or other measured value indicative of a weak or lost signal which cannot be decoded properly, PND HOC may send an SMS message 170 requesting that the cellular backup be used for the RDS traffic information.
  • a threshold such as a signal to noise ratio, a decoded error rate of the RDS TMC, and/or other measured value indicative of a weak or lost signal which cannot be decoded properly
  • the traffic information carried by SMS request message 170 may be formatted in the same or similar way as the traffic information carried by FM RDS broadcast to facilitate processing at the PND.
  • TSP 190 may initiate the sending of RDS traffic information to the requesting PND 1 IOC via the cellular backup network.
  • the TSP 190 may, in addition to the FM radio broadcast, send SMS message 172 to PND HOC via the cellular network 160.
  • the TSP 190 may send at least one SMS message 172 (which may be sent with one or more other SMS messages in bulk) to a cellular network SMS server in accordance with the short message peer-to-peer (SMPP) protocol, although other protocols including SMS may be used.
  • SMPP short message peer-to-peer
  • SMS message 172 may have an SMS Protocol Identifier which is used to identify the message as one that carries RDS traffic information. SMS Protocol Identifiers are described, for example, in Third Generation Partnership Project (3GPP) Technical Specification (TS) 230.40. A user equipment which receives SMS message thus identified could then decide whether the SMS message should be, for example, delivered to a navigation user agent or displayed to the user.
  • 3GPP Third Generation Partnership Project
  • TS Technical Specification
  • the TSP 190 may only send a subset of the traffic information over the cellular link, when compared to the FM RDS broadcast carrying the traffic information.
  • TSP 190 may send time critical or important traffic updates, such as a traffic incident or extreme congestion on one of the TMCs or road-segment on the route to the target destination, rather than all traffic updates.
  • PND HOC may continue to receive the SMS RDS traffic update messages 170 until for example PND HOC determines that the FM broadcast should be used. For example, when the PND 110C determines that the FM signal 152C carrying the RDS TMC is at a certain threshold, such as a signal to noise ratio, a decoded error rate of the RDS traffic, and/or other measured value indicative of a sufficiently strong signal which can be acquired, PND HOC may send an SMS message 176 requesting the TSP 190 to stop sending the SMS messages 170 as PND HOC intends to revert to accessing the RDS traffic information from the FM broadcast at 152C.
  • a certain threshold such as a signal to noise ratio, a decoded error rate of the RDS traffic, and/or other measured value indicative of a sufficiently strong signal which can be acquired
  • PND HOC may send an SMS message 176 requesting the TSP 190 to stop sending the SMS messages 170 as PND HOC intends to revert to accessing the RDS traffic information from the FM
  • SMS request message 170 may include a service key representative of an identity of the PND, a current location of the PND 1 IOC, a target destination for the PND 1 IOC, and/or a flag representative of a request to start SMS traffic updates or stop SMS traffic updates (which may also represent a pause in the receipt of SMS traffic updates).
  • SMS request message 170 may include the PND's current location and target destination to enable the TSP 190 to monitor possible routes to the target destination and then send traffic information via SMS message(s) 172 for appropriate road segments to the target destination.
  • the TSP server may then monitor and provide traffic information within a given radius of the PND's current location.
  • the SMS response message 172 may include a service key that can be used by the TSP to identify the PND or determine whether the PND is authorized to receive traffic information, an Alert-c code describing or identifying a certain type of traffic alert, and a time stamp representative of the time of the alert.
  • the TSP may send these standard, predetermined codes to represent certain traffic conditions on a road on a TMC or route to a target destination.
  • the Alert C code 101 may indicate that the traffic at a given location or road segment is "stationary traffic"; the Alert C code 206 may indicate for example "fuel spillage accident;" and so forth.
  • Table 2 depicts Alert C codes, other types of traffic codes may be used as well including Datex, TPEG, or the like. [0041] Table 2
  • TSP to PND TSP to PND
  • FIG. 2 depicts a system 200 including TSP 190 coupled to a network controller 210 configured to route and/or format the data for the access network 212-216 being used by the PND 1 IOC, in accordance with some example embodiments.
  • the network controller 210 may ensure that the traffic information is formatted for (or compatible with) that network 212.
  • PND HOC is accessing an LTE cellular network 216 as the cellular backup, the network controller 210 may ensure that the traffic information is formatted for (or compatible with) the LTE network 216.
  • FIG. 3A shows a process for RDS traffic information cellular backup, in accordance with some example embodiments.
  • a PND may receive an FM signal including a radio data service (RDS) traffic message channel (TMC), in accordance with some example embodiments.
  • RDS radio data service
  • TMC traffic message channel
  • the PND 1 IOC may be configured to scan either continuously or from time to time for FM RDS broadcasts. When an FM RDS broadcast is found, the PND may begin to receive the FM signal and decode the RDS TMC in order to obtain the traffic information included in the TMC.
  • the PND may send an SMS request including the PND's current location, the PND's target destination, and/or the PND's identifier, in accordance with some example embodiments (yes at 312 and 314).
  • PND HOC may monitor the FM RDS signal carrying the TMC. If the FM RDS signal is lost (for example, the FM RDS signal falls below a signal to noise threshold or exceeds a certain bit error rate threshold both of which may indicate signal loss), PND HOC may send SMS message 170 requesting that traffic information be sent via the backup cellular network, rather than via the primary FM path. The PND HOC may send the SMS message request 170 preemptively before the FM RDS signal loss or when the FM RDS signal is lost.
  • the PND may continue receiving the RDS TMC via the FM signal, in accordance with some example embodiments (no at 312 and 310). For example, PND 1 IOC may continue to receive the traffic information from the primary source of that information, that is the FM RDS signal.
  • the PND may receive from the TSP, traffic information sent via the cellular network, in accordance with some example embodiments.
  • the TSP 190 may send one or more SMS messages 172 carrying traffic information to provide a backup source of traffic information to PND 110C, which has lost its FM RDS signal.
  • the PND may send a stop message to the TSP, in accordance with some example embodiments (yes at 318 and 320).
  • PND 1 IOC may re-acquires an FM RDS signal and can thus receive and decode the traffic information carried by the FM RDS
  • PND HOC may send an SMS message 176 to indicate to TSP 190 to stop sending traffic information via the cellular backup network.
  • TSP 190 may then stop sending traffic information via the cellular network such as SMS message(s) 172.
  • the PND may continue to receive the traffic information over the cellular network, in accordance with some example embodiments (no at 318 and 316). If PND HOC does not re-acquire an FM RDS signal, PND HOC may continue to receive SMS messages 172 including the traffic information. In some example embodiments, PND HOC may send from time to time an additional SMS request message 170 in order to continue to receive, at 316, the traffic information over cellular.
  • FIG. 3B depicts an example process for the TSP 190, in accordance with some example embodiments.
  • TSP 190 may initiate the sending of one or more messages, such as SMS message(s) 172, providing the traffic information, in accordance with some example embodiments.
  • the TSP may, as noted, aggregate information for the PND based on its current location, route, and/or target destination, in accordance with some example embodiments.
  • the TSP may prioritize what traffic information is sent via SMS message(s) 172, so that only time sensitive traffic information is sent to the PND HOC via the cellular network.
  • the TSP may also be able to determine the FM radio station's location (or a neighboring FM station) which was last received by the PND. As such, the TSP may be able to determine the corresponding traffic and/or weather for the area associated with the FM radio station, and then send via SMS the traffic and/or weather information to the PND.
  • the TSP may continue to send traffic information via the FM broadcast as some user may not have FM reception issues inhibiting receipt of the traffic information.
  • the TSP 190 may receive a stop message, in accordance with some example embodiments.
  • TSP 190 may receive an SMS message 176 from PND HOC, and this message may signal TSP 190 to stop using the backup cellular network for sending traffic information as the PND HOC will revert to the primary traffic path, for example FM RDS.
  • SMS message may have limited throughput (with respect to fixed message size) and/or a cost associated with transmission/reception.
  • the TSP may aggregate traffic information, so that only certain traffic information is sent to a PND. For example, the TSP may perform aggregation of real-time traffic incident updates while the PND is in route and prioritize what traffic information should be sent to the PND (so that only important or time sensitive traffic information is sent).
  • Table 3 depicts an example process for determining whether a piece of traffic information should be sent via SMS to a PND.
  • the process at Table 3 limits the number of traffic paths for which the traffic service provider sends traffic information such as alert codes. In this way, the traffic service provider may limit the amount of traffic sent via the cellular network.
  • the K-shortest path algorithm may be used to generate a k number of fastest paths from an origin to a destination location. The k value may be configurable, so that the higher the k value, the higher the number of covered routes, which increases the likelihood of a traffic alert being sent.
  • the aggregation may use the breadth first search (BFS) algorithm to search nearby roads starting from current location up to a maximum sum of road length m.
  • BFS breadth first search
  • the PND may include a SIM slot that permits insertion of a SIM card to enable communications via the cellular network 160.
  • the PND may be integrated with, or couple to via a wired or wireless link, a cellular radio having a SIM card enabling cellular access 160.
  • the PND device may include a user interface for displaying navigation information and receiving selections performed on the user interface.
  • the PND may include geolocation circuitry to provide navigation information.
  • the PND may include radio circuitry to receive and decode at least an FM subcarrier that carries the RDS TMC information.
  • the PND may be able to receive RDS traffic information from an FM broadcast and, when the FM signal is lost or weak, operate in a cellular backup mode in which the PND receives the RDS traffic information over cellular (for example, as SMS messages and the like as described herein).
  • FIG. 4 depicts a block diagram of an apparatus 10 that may be included within, or couple to, a PND (and/or other navigation systems including embedded navigation systems and/or the like that receive traffic primarily via FM), in accordance with some example embodiments.
  • the apparatus 10 may also include a processor 20 configured to provide signals to and receive signals from the transmitter and receiver, respectively, and to control the functioning of the apparatus.
  • Processor 20 may be configured to control the functioning of the transmitter and receiver by effecting control signaling via electrical leads to the transmitter and receiver.
  • processor 20 may be configured to control other elements of apparatus 10 by effecting control signaling via electrical leads connecting processor 20 to the other elements, such as a display or a memory.
  • the processor 20 may, for example, be embodied in a variety of ways including circuitry, at least one processing core, one or more microprocessors with accompanying digital signal processor(s), one or more processor(s) without an accompanying digital signal processor, one or more coprocessors, one or more multi-core processors, one or more controllers, processing circuitry, one or more computers, various other processing elements including integrated circuits (for example, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), and/or the like), or some combination thereof. Accordingly, although illustrated in FIG. 4 as a single processor, in some example embodiments the processor 20 may comprise a plurality of processors or processing cores.
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Signals sent and received by the processor 20 may include signaling information in accordance with an air interface standard of an applicable cellular system, and/or any number of different wireline or wireless networking techniques, comprising but not limited to Wi-Fi, wireless local access network (WLAN) techniques, such as Institute of Electrical and Electronics Engineers (IEEE) 802.11, 802.16, and/or the like.
  • these signals may include speech data, user generated data, user requested data, and/or the like.
  • the apparatus 10 may be capable of operating in accordance with 2G wireless communication protocols IS-136, Time Division Multiple Access TDMA, Global System for Mobile communications, GSM, IS-95, Code Division Multiple Access, CDMA, FM RDS, and/or the like.
  • the apparatus 10 may be capable of operating in accordance with 2.5G wireless communication protocols General Packet Radio Service (GPRS), Enhanced Data GSM Environment (EDGE), and/or the like.
  • GPRS General Packet Radio Service
  • EDGE Enhanced Data GSM Environment
  • the apparatus 10 may be capable of operating in accordance with 3G wireless communication protocols, such as Universal Mobile Telecommunications System (UMTS), Code Division Multiple Access 2000 (CDMA2000), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), and/or the like.
  • the apparatus 10 may be additionally capable of operating in accordance with 3.9G wireless communication protocols, such as Long Term Evolution (LTE), Evolved Universal Terrestrial Radio Access Network (E-UTRAN), and/or the like.
  • LTE Long Term Evolution
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • the apparatus 10 may be capable of operating in accordance with 4G wireless communication protocols, such as LTE Advanced, LTE-Direct, LTE-Unlicensed, and/or the like as well as similar wireless communication protocols that may be subsequently developed.
  • processor 20 may be capable of operating a connectivity program, such as a web browser.
  • the connectivity program may allow the apparatus 10 to transmit and receive web content, such as location-based content, according to a protocol, such as wireless application protocol, WAP, hypertext transfer protocol, HTTP, and/or the like.
  • Apparatus 10 may also comprise a user interface including, for example, an earphone or speaker 24, a ringer 22, a microphone 26, a display 28, a user input interface, and/or the like, which may be operationally coupled to the processor 20.
  • the display 28 may, as noted above, include a touch sensitive display, where a user may touch and/or gesture to make selections, enter values, and/or the like.
  • the processor 20 may also include user interface circuitry configured to control at least some functions of one or more elements of the user interface, such as the speaker 24, the ringer 22, the microphone 26, the display 28, and/or the like.
  • the processor 20 and/or user interface circuitry comprising the processor 20 may be configured to control one or more functions of one or more elements of the user interface through computer program instructions, for example, software and/or firmware, stored on a memory accessible to the processor 20, for example, volatile memory 40, nonvolatile memory 42, and/or the like.
  • the apparatus 10 may include a battery for powering various circuits related to the mobile terminal, for example, a circuit to provide mechanical vibration as a detectable output.
  • the user input interface may comprise devices allowing the apparatus 20 to receive data, such as a keypad 30 (which can be a virtual keyboard presented on display 28 or an externally coupled keyboard) and/or other input devices.
  • the apparatus 10 may include other short-range transceivers, such as an infrared (IR) transceiver 66, a BluetoothTM (BT) transceiver 68 operating using BluetoothTM wireless technology, a wireless universal serial bus (USB) transceiver 70, a BluetoothTM Low Energy transceiver, a ZigBee transceiver, an ANT transceiver, a cellular device-to-device transceiver, a wireless local area link transceiver, and/or any other short-range radio technology.
  • Apparatus 10 and, in particular, the short- range transceiver may be capable of transmitting data to and/or receiving data from electronic devices within the proximity of the apparatus, such as within 10 meters, for example.
  • the apparatus 10 including the Wi-Fi or wireless local area networking modem may also be capable of transmitting and/or receiving data from electronic devices according to various wireless networking techniques, including 6LoWpan, Wi-Fi, Wi-Fi low power, WLAN techniques such as IEEE 802.11 techniques, IEEE 802.15 techniques, IEEE 802.16 techniques, and/or the like.
  • the apparatus 10 may also include an FM transceiver including circuitry to demodulate the RDS traffic message channel (TMC).
  • TMC RDS traffic message channel
  • Non-volatile memory 42 which may be embedded and/or removable, may include, for example, read-only memory, flash memory, magnetic storage devices, for example, hard disks, floppy disk drives, magnetic tape, optical disc drives and/or media, non-volatile random access memory (NVRAM), and/or the like. Like volatile memory 40, non-volatile memory 42 may include a cache area for temporary storage of data. At least part of the volatile and/or non- volatile memory may be embedded in processor 20. The memories may store one or more software programs, instructions, pieces of information, data, and/or the like which may be used by the apparatus to provide the operations disclosed herein including process 300 and/or the like.
  • NVRAM non-volatile random access memory
  • Some of the embodiments disclosed herein may be implemented in software, hardware, application logic, or a combination of software, hardware, and application logic.
  • the software, application logic, and/or hardware may reside on memory 40, the control apparatus 20, or electronic components, for example.
  • the application logic, software or an instruction set is maintained on any one of various conventional computer-readable media.
  • a "computer- readable medium" may be any non-transitory media that can contain, store, communicate, propagate or transport the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer or data processor circuitry, with examples depicted at FIG. 4, computer-readable medium may comprise a non-transitory computer-readable storage medium that may be any media that can contain or store the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer.
  • a technical effect of one or more of the example embodiments disclosed herein may include providing more reliable traffic information delivery.
  • a technical effect of one or more of the example embodiments disclosed herein may include the use of SMS to deliver traffic information provides coverage in areas with less developed cellular networks (as SMS is compatible with even 2G cellular networks). Moreover, SMS messaging is via an asynchronous connection, so SMS may be operative even when the cellular carrier is weak.
  • TSP 190 may comprise at least one processor and at least one memory including program code, which when executed provides at least process 399 and/or the like as disclosed herein.
  • TSP 190 may include one or more interfaces to cellular networks and include one or more interfaces to FM radio servers that disseminate traffic information via FM RDS broadcasts.
  • the RDS cellular backup may be used as an alternative mechanism to FM-based RDS.
  • operating costs associated with FM broadcast may not justify the expense on a per PND basis, so using the cellular network may be more cost effective per PND basis.
  • the SMS message traffic may be monitored for a given area to determine whether additional FM signal coverage is needed to prevent outages.
  • the base stations and user equipment (or one or more components therein) and/or the processes described herein can be implemented using one or more of the following: a processor executing program code, an application-specific integrated circuit (ASIC), a digital signal processor (DSP), an embedded processor, a field programmable gate array (FPGA), and/or combinations thereof.
  • ASIC application-specific integrated circuit
  • DSP digital signal processor
  • FPGA field programmable gate array
  • These various implementations may include implementation in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, coupled to receive data and instructions from, and to transmit data and instructions to, a storage system, at least one input device, and at least one output device.
  • These computer programs also known as programs, software, software applications, applications, components, program code, or code
  • computer-readable medium refers to any computer program product, machine -readable medium, computer-readable storage medium, apparatus and/or device (for example, magnetic discs, optical disks, memory, Programmable Logic Devices (PLDs)) used to provide machine instructions and/or data to a programmable processor, including a machine-readable medium that receives machine instructions.
  • PLDs Programmable Logic Devices
  • systems are also described herein that may include a processor and a memory coupled to the processor.
  • the memory may include one or more programs that cause the processor to perform one or more of the operations described herein.

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

Abstract

L'invention concerne des procédés et un appareil, comprenant des produits-programmes d'ordinateur, pour des systèmes de navigation. Dans certains modes de réalisation donnés à titre d'exemple, l'invention concerne un procédé. L'appareil peut consister à recevoir, à partir d'un signal à fréquence modulée, des informations de trafic ; à envoyer un message de requête de service d'envoi de messages courts représentatif d'une requête pour recevoir les informations de trafic à partir d'un chemin de sauvegarde comprenant un réseau cellulaire, lorsque le signal à fréquence modulée transportant les informations de trafic est perdu ; et à recevoir, en réponse au message de requête de service d'envoi de messages courts, au moins un message de service d'envoi de messages courts comprenant les informations de trafic. L'invention concerne également un appareil, des systèmes, des procédés et des articles associés.
PCT/US2015/032259 2015-05-22 2015-05-22 Sauvegarde de télécommunication pour un service de données radio (rds) WO2016190843A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2015/032259 WO2016190843A1 (fr) 2015-05-22 2015-05-22 Sauvegarde de télécommunication pour un service de données radio (rds)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2015/032259 WO2016190843A1 (fr) 2015-05-22 2015-05-22 Sauvegarde de télécommunication pour un service de données radio (rds)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651143A1 (de) * 1996-12-10 1998-06-18 Deutsche Telekom Mobil Verfahren und Anordnung zur Verkehrsinformation
EP0901246A2 (fr) * 1997-09-08 1999-03-10 Robert Bosch Gmbh Méthode et récepteur pour la réception de signaux numériques codés, comme par exemple des informations routières, utilisant le système RDS
WO2006011796A1 (fr) * 2004-07-30 2006-02-02 Brasned Enterprise B.V. Dispositif, procede et systeme permettant de recevoir et de transmettre une information via differents reseaux de communications
US20060281444A1 (en) * 2005-06-14 2006-12-14 Samsung Electronics Co.; Ltd DMB data receiving apparatus and method for improving DMB data receiving speed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651143A1 (de) * 1996-12-10 1998-06-18 Deutsche Telekom Mobil Verfahren und Anordnung zur Verkehrsinformation
EP0901246A2 (fr) * 1997-09-08 1999-03-10 Robert Bosch Gmbh Méthode et récepteur pour la réception de signaux numériques codés, comme par exemple des informations routières, utilisant le système RDS
WO2006011796A1 (fr) * 2004-07-30 2006-02-02 Brasned Enterprise B.V. Dispositif, procede et systeme permettant de recevoir et de transmettre une information via differents reseaux de communications
US20060281444A1 (en) * 2005-06-14 2006-12-14 Samsung Electronics Co.; Ltd DMB data receiving apparatus and method for improving DMB data receiving speed

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