Abstract: At a first virtual device executing in a data processing system, a determination is made whether a partner list associated with the first virtual device includes a threshold number of partner virtual devices, the first virtual device participating in the control cluster. A first Live packet is unicast over the VLAN to each partner virtual device identified in the partner list. A unicast of a second Live packet from a second virtual device to the first virtual device is received over the VLAN, the second virtual device being identified in the partner list. A Hello packet is broadcast over the VLAN to cause the Hello packet to reach a third virtual device, wherein the Hello packet is configured to discover a new partner virtual device to add to the partner list, discovering the new partner enlarging the control cluster.

Abstract: A method performed by a first network node for handling a connection between a wireless device and a wireless communications network. The wireless communications network comprises the first network node. The first network node stores (705) data related to the connection, and further stores an identifier of the wireless device for locating the stored data related to the connection later. The first network node further provides (706) the wireless device with a command to transition from a connected mode into a suspended mode, in which suspended mode the connection is suspended and the wireless device stores the data related to the connection, and further stores the identifier of the wireless device for locating the stored data later in order to resume the connection.

Abstract: Methods, devices, and computer program products for transmitting and receiving discovery and paging messages in a wireless communication device are described herein. In one aspect, a wireless apparatus operable in a wireless communication system includes a discovery engine configured to communicate with a wireless network based on a profile, the profile having defined use parameters, the discovery engine being configured to receive an input from an application indicating a selection of a profile, the discovery engine further configured to receive one or more attributes from the application and configure the profile using the one or more attributes, the attributes containing information to configure the profile to perform certain functions as defined by the application.

Abstract: A method and a device for measuring a signal in a beam forming system. A method of measuring a signal by using beam forming by a wireless communication mobile station includes: acquiring a group setting rule that is a criterion for group classification; measuring a signal for each of transmission/reception beam pairs for a preset period of time; classifying the transmission/reception beam pairs into two or more transmission/reception beam groups according to the measured signal and the group setting rule; and performing signal measurement and report for the transmission/reception beam pairs belonging to the respective transmission/reception beam groups according to a measurement rule corresponding to the corresponding transmission/reception beam group. The device and the method efficiently measure the signal.

Abstract: Techniques for centralized control of peer-to-peer (P2P) communication and centralized control of femto cell operation are described. For centralized control of P2P communication, a designated network entity (e.g., a base station) may control P2P communication of stations (e.g., UEs) located within its coverage area. The designated network entity may receive an indication of a first station (e.g., a UE) desiring to communicate with a second station (e.g., another UE). The designated network entity may determine whether or not to select peer-to-peer communication for the first and second stations, e.g., based on the quality of their communication link. The designated network entity may assign resources to the stations if peer-to-peer communication is selected. For centralized control of femto cell operation, the designated network entity may control the operation of femto cells (e.g., may activate or deactivate femto cells) within its coverage area.

Abstract: Methods, corresponding apparatuses, and non-transitory computer readable mediums for a Proximity-based Service are provided. A method comprises receiving, from at least one user equipment, a resource utilization indication that indicates resources used by at least one user equipment for a ProSe device-to-device discovery procedure. The method also comprises determining, based on the received resource utilization indication, resources for the at least one user equipment to perform a subsequent ProSe device-to-device discovery procedure. The method additionally comprises signaling the determined resource to the at least one user equipment. With the claimed inventions, utilization efficiency of the radio resources may be improved and the complexity and overhead in allocating the resource for ProSe D2D discovery procedure may be lowered.

Abstract: Loading of web application pages and dependent files are optimized both in terms of load order and selective authentication. A baseline file (also referred to as the wire frame page) may include main page framework and most dependent files. Files referenced in the baseline file may be organized such that they load in an optimized fashion. The baseline file and the dependent files referenced therein may be loaded anonymously without waiting for the completion of the authentication process. The secure content may be the only authenticated request made, thus allowing most of the files to load in parallel to the longer authenticated request.

Abstract: A connection line protection system employs unique identifiers on outlets and inlets. A connector connects a selected outlet with a selected inlet. The connector mounts at opposing ends an identifier that identifies the connector. A scanner is employed to scan in tandem a first identifier of the outlet and a connector identifier and a second identifier of the inlets and the identifier of the connector. The readings are compared with a schedule to determine whether the connector is properly mounted and connected between a selected outlet and a selected inlet. The identifiers include RFIDs and barcodes. The identifiers are preferably angularly spaced around the outlets, inlets and the couplers of the connector. The identifier may be affixed by snap rings mounting barcode labels or RFID buttons.

Abstract: A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics, transmitting system information including information on the propagation characteristics, transmitting a reference signal with the propagation characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the propagation characteristics.

Abstract: In one example, a system and method includes transmitting a first type of information from a transmitter at a first set of transmission parameters, wherein the first set of transmission parameters includes a first PHY data rate and a first transmission power, transmitting a second type of information at a second set of transmission parameters, wherein the second set of transmission parameters includes a second PHY data rate and a second transmission power, and switching between the first set of transmission parameters and the second set of transmission parameters as a function of the type of information to be transmitted. One or more of the first PHY data rate and the first transmission power are different than the second PHY data rate and the second transmission power, respectively.

Abstract: A node device of a cellular communication network comprises physical layer circuitry and processing circuitry. The physical layer circuitry is operable to receive signal power information from a user equipment device (UE). The processing circuitry is operable to determine a speed of travel classification for the UE using the signal power information, and configure one or more operating parameters of the cellular communication network using the determined speed of travel classification for the UE.

Abstract: Methods, apparatuses, and computer program products for providing uniform user equipment initialization procedure for both in-coverage and out-of-coverage device-to device communications are disclosed herein, incorporating a novel tri-timer design: an initial timer, a search timer, and an active timer. In a method a determination is made regarding a user equipment as being a clusterhead candidate which can act as a clusterhead of a cluster. The user equipment searches for a suitable cell or cluster to join. If a suitable cell or a cluster is not found, the user equipment is selected to be a clusterhead which will act as the clusterhead of its own cluster. After selecting the user equipment to be a clusterhead and establishing its cluster, the user equipment transmits a discovery signal which alerting other user equipment to the clusterhead, to which the other user equipment can join. The user equipment as clusterhead then maintains the cluster.

Abstract: A system and method are provided for updating game participants. In some embodiments, the participants receive game control information via a one-way broadcast. The method selects a set of sampling participants from the set of all participants of a game. In some embodiments, the selection occurs prior to the start of the game. The method of some embodiments establishes a two-way connection between a server and each of the sampling participants. For some embodiments, the two-way connection is realtime. The method continuously maintains the two-way connection throughout the game. During each discrete game period, the method receives from a sampling participant, data for the sampling participant's game period performance. Based on the received data, the method determines the performance for the game period and broadcasts this information to a non-sampling participant. A non-sampling participant is a participant who was not selected for the set of sampling participants.

Abstract: In some embodiments, the present invention provides a computer-implemented transportation system which can include at least the following components: a specialized computer machine, including: a non-transient memory, electronically storing particular computer executable program code; a specifically programmed computer processor of the specialized computer machine of the computer-implemented transportation system that is configured to perform at least the following operations: electronically receiving, in real-time, via a computer network, a plurality of electronic riding requests from a plurality of electronic computing devices operated by a plurality of ride-sharing requesting passengers; where each electronic riding request from each ride-sharing requesting passenger includes: a passenger-requested origin point, and a passenger-requested destination point; for a particular electronic riding request, dynamically determining, in real-time, from a plurality of candidate vehicles an assigned vehicle for picking

Abstract: Techniques to cause a point-to-point link between system components to engage in a negotiation process that may lead to the link transitioning from an active state in which data may be transmitted between system components to a low power state where data may not be transmitted. The negotiation process may occur between each pair of nodes within an electronic system that are interconnected via point-to-point link. The negotiation may ensure that there are no pending transactions or transactions that may occur within an upcoming period of time. Through this negotiation each component acknowledges and agrees to transition the link to the low power state.

Abstract: A method for controlling an aggregated interference generated by at least two white space units in at least one point in space for at least one frequency channel is provided. A model of propagation channels from each of the white space units to each of the at least one point includes a variable with a lognormal distribution. The method comprises receiving requests for usage of white space frequency channels from the white space units. The requests include positions of the white space units. Output power limits are determined for the white space units by maximizing a utility function while fulfilling a probabilistic constraint on the amount of aggregated interference generated in each of the at least one point. A sum of lognormal variables in the probabilistic constraint is approximated by a single lognormal variable. The determined output power limits are then transmitted to the respective white space units.

Abstract: Various embodiments for performing remote authentication of a virtual subscriber identity module (SIM) on a mobile communication device include receiving, on a first subscription of the mobile communication device, an authentication request from a virtual SIM network. The mobile communication device may tune from the first subscription to a second subscription of the mobile communication device to send the authentication request to a remote server and periodically perform tune-aways between the first subscription and the second subscription while determining whether the remote server has sent an authentication response through the second subscription. The mobile communication device may send the authentication response to the virtual SIM network through the first subscription in response to determining that the remote server has sent an authentication response through the second subscription.

Abstract: The present invention relates to a method and apparatus of calculating a location of an electronic device. The present invention comprises receiving a common packet from a host device, the common packet containing at least any one of frequency-related information or information on a time when a data packet is transmitted; receiving the data packet based on the information contained in the common packet, the data packet containing at least any one of location-related information or antenna-related information of the host device; obtaining angle information indicating a location relation with the host device using at least any one of the location-related information or the antenna-related information of the received data packet; and calculating the location of the electronic device based on the angle information.

Abstract: In one implementation, information specifying a geographic area for a talkgroup may be received. In addition, information specifying that the talkgroup is a “warm” talkgroup may be received. In response to the receipt of the information specifying that the talkgroup is a “warm” talkgroup, a satellite constellation may be controlled to continuously light up a control channel in the geographic area for the talkgroup. A request to instantiate the talkgroup via the control channel may be received. In response thereto, the satellite constellation may be controlled to continuously light up a traffic channel in the geographic area for the talkgroup. Subsequently, the talkgroup may be determined to be inactive. In response thereto, the satellite constellation may be controlled to stop continuously lighting up the traffic channel in the geographic area while continuing to continuously light up the control channel in the geographic area.

Abstract: Embodiments of the present invention relate to a spectrum allocation method and device. The method includes: determining, by a first base station, according to first broadcast information sent by at least one second base station, usage of a preferred frequency band of the at least one second base station; and determining, by the first base station, according to the usage of the preferred frequency band of the at least one second base station, use of the preferred frequency band of the at least one second base station by the first base station. Therefore, it is implemented that a spectrum resource utilization ratio is improved.

Abstract: Methods and apparatuses for capillary network device registration implemented in a wireless transmit/receive unit (WTRU) are disclosed. Registration or bootstrap messages may be received by a capillary network device where the WTRU acts as a gateway for communication between the capillary device and a network such as a 3GPP network. A capillary network device identifier (CNDID) is sent to the capillary device. A packet data protocol (PDP) context or PDN connection may be established with the network and the CNDID may be sent to a machine type communications (MTC) server. The WTRU may create the registration message, establish a connection with the network, and forward the registration message to the MTC server. Methods and apparatuses implemented in a network are also disclosed for identifying, addressing, and triggering the capillary devices from the MTC server. The trigger message may include fields for group communication, reducing signaling, and enabling charging.

Abstract: Embodiments are provided for a multi-objective scheme for solving a cell switch-off problem. The multi-objective solution seeks to minimize or reduce network energy consumption by switching off some of the cells in the network while allowing enough capacity according to traffic needs and quality of service requirement. An embodiment method includes determining, for each one of a plurality of established traffic profiles, a set of solutions with respect to a number of active cells from a plurality of cells in the network and an aggregate network capacity. The method further includes matching a given traffic profile to one of the established traffic profiles, and evaluating performances of the solutions corresponding to that traffic profile. A solution from the solutions is then selected in accordance with the evaluation. The selected solution indicates which of the cells in the wireless network to be switched off.

Abstract: An Internet-of-Things (IoT) system for public transportation service and a method of operating the same are disclosed. The IoT system includes on-vehicle devices, a management server, a plurality of bus stop access points (APs), and a wired/wireless bus stop access point (AP) communication network. The on-vehicle devices are mounted within a bus, i.e., a public transportation means. The management server is connected to the bus over an Internet, i.e., a wireless communication means. The plurality of bus stop APs are short distance communication APs, and are each provided in each bus stop at which the bus stops and configured to enable information to be exchanged between the bus stop and the bus. The wired/wireless bus stop AP communication network connects the plurality of bus stop APs. The management server performs Internet access processing to connect the bus stop AP communication network and an external terminal.

Abstract: A device receives a request from a controlling device, such as a remote control, smart phone, or the like, where the request is intended to have one or more target devices perform one or more functional operations. The device responds to the request by applying the optimum methodology to propagate one or more commands to each intended target appliance to cause each intended target appliance to perform the intended one or more functional operations.

Abstract: A user terminal includes processor configured to execute a process of receiving, from a serving cell, broadcast information on a device-to-device (D2D) discovery, a procedure used by the user terminal to discover a proximal user terminal. The broadcast information includes a cell identifier of a neighbor cell, and synchronization information on the neighbor cell. The synchronization information includes a first value or a second value. The processor executes processes of: receiving both a D2D synchronization signal and a D2D discovery signal that are transmitted by a proximal user terminal in the neighbor cell in response to the synchronization information including the first value; and receiving the D2D discovery signal without receiving the D2D synchronization signal in response to the synchronization information including the second value.

Abstract: An objective of the present invention is to provide a method and apparatus for performing charging control to application-layer data. When a trigger condition is satisfied, a TDF transmits a first credit control request to an OCS, wherein the first credit control request includes a result of inspecting an application or application traffic by the TDF; the OCS determines charging control information for the application or application traffic based on the first credit control request to generate a credit control answer; the OCS transmits the credit control answer to the TDF. Compared with the prior art, in the present invention, the TDF detects an application or application traffic and provides the detection result to the OCS; the OCS determines charging control information to the application or application flow and returns it to the TDF, thereby realizing charging control to the application-layer data and improving the accuracy of the charging system.

Abstract: This disclosure pertains to a method in a network node, a method in user equipment, a network node and user equipment in a wireless communications network. More particularly, there is provided methods and platforms for network based control of report messages comprising logged measurements in a wireless communications network. In accordance with some example embodiments, a UE (30) that has stored logged data i.e. logged measurements that are bigger than a single transmission packet, i.e. report message, segments the logged measurements and sends only a portion of the logged measurements that fits into a single report message. The UE (30) also indicates to a network node (28) that additional logged measurements exist at the UE buffer (44).

Abstract: A method and apparatus for measuring a channel in a wireless communication system is provided. A user equipment (UE) performs radio link monitoring (RLM) measurement and/or channel quality indicator (CQI) measurement according to phases of in-device coexistence (IDC) interference. The RLM measurement does not reflect the IDC interference in phase 2 and 3. The CQI measurement does not reflect the IDC interference in phase 3.

Abstract: Embodiments related to outputting spatial audio via a portable computing device are presented. For example, one disclosed embodiment provides a portable computing device for wirelessly detecting a presence of a remote speaker external to the portable computing device, determining a location of the remote speaker, and establishing a wireless connection with the remote speaker. The embodiment further includes presenting visual content via a display of the portable computing device, the visual content comprising an object positionally associated with a location in a real-world environment around the portable computing device, generating an audio signal corresponding to the object, and sending the audio signal to the remote speaker.

Abstract: A Digital Rights Management (DRM) system provides a lightweight layering of encryption and decryption of keys that allows efficient use of different cryptographic techniques to effect the secure delivery of multimedia content. Asymmetric cryptography, where a public key is used to encrypt information that can only be decrypted by a matched private key, is used by the DRM system to deliver symmetric keys securely.

Abstract: An apparatus and a method relieve intercell interference in a wireless communication system. In a method for operating a transmission node, a first private message encoding a portion of transmission data of a neighbor transmission node is received. Weight for canceling the first private message of the neighbor transmission node received in a intended reception node is determined. The first private message of the neighbor transmission node multiplied by the weight, a common message encoding a portion of data to be transmitted to the intended reception node, and a second private message encoding the rest of the data are transmitted.

Abstract: There is provided a communication apparatus including a signature selection unit that selects one signature from a plurality of signatures, and a preamble generation unit that generates a signature in random access using the preamble selected by the signature selection unit. The signature selection unit selects the signature corresponding to a value of transmission data.

Abstract: A system and method are provided for using location services available from other radios in a multi-radio system to assist a beamforming mechanism, particularly in establishing and maintaining mmWave communication link. A majority of wireless client devices for use in a mmWave communication link are equipped with multiple radios. Many of the “other” radios include technologies that support location based services, including GPS, Wi-Fi and cellular communications. One or more non-mmWave in one device is used to provide relative location information regarding the other device with which the mmWave communication link is to be established. The relative location information is used to derive a direction for communication, and to compute beamforming parameters, in a limited set of transmit/receive sectors where the destination device is likely to be found, in order to streamline the beamforming process.

Abstract: A method for identifying an Application Detection Control (ADC) function mode is disclosed. The method is applicable to a scenario where a roaming UE accesses a visited network from a visited location, and includes that: when a Visit Policy And Charging Rule Function entity (V-PCRF) creates an S9 session, the V-PCRF informs a Home Policy And Charging Rule Function entity (H-PCRF) of an ADC (ADC) function mode supported by a visited network; and the H-PCRF determines, in accordance with the ADC function mode supported by the visited network, whether to provide the ADC rule to the visited network. A system for identifying an ADC function mode is disclosed. With the method and the system, when a user is in a visited access scenario, a network system can perform a correct application detection function on the user.

Abstract: The invention concerns a method for scheduling of service data intended to be sent from a base station (BS1) over radio interfaces to a user terminal (UE1) by means of at least one control message sent from the base station (BS1) to the user terminal (UE1), whereby said at least one control message comprises or allows for a determination of at least one of the orders when the user terminal (UE1) shall perform reception of downlink data and when and under which circumstances the user terminal (UE1) shall send HARQ feedback information in upcoming transmission time intervals (TTI), a base station (BS1), a user terminal (UE1) and a communication network therefor.

Abstract: A method between a controlling server and a participating server, a network, and a server include enhanced signaling via a Multicast-Broadcast Single Frequency Network (MBSFN) report allowing User Equipment (UE) to communicate MBSFN areas to a controlling server. Thus, the enhanced controlling server's Multimedia Broadcast Multicast Services (MBMS) decisions can count all visiting devices in addition to its own in its MBSFN areas. The method, network, and server include new signaling and additional info to provide a participating server with MBSFN areas that will have MBMS activated for a group session. This enhances the participating server's determination of which its visiting devices need unicast bearers. The participating server can add information related to the current MBSFN area of its UE to a message to the controlling server indicating joining the UE to a group.

Abstract: Certain aspects of the present disclosure relate to techniques for assigning resources for low cost user equipments (UEs). A method for wireless communications by a user equipment (UE) is provided. The method generally includes determining a first bandwidth, within a second bandwidth, for resources available for downlink data transmissions, wherein the first bandwidth is smaller than the second bandwidth, determining a third bandwidth for resources available for uplink transmissions, wherein a bandwidth for resources available for uplink transmissions is different than the bandwidth for resources available for downlink transmissions, wherein the third bandwidth is greater than the first bandwidth, and communicating with a network using the determined downlink and uplink resources.

Abstract: “Smart” connectors with embedded processors, measurement circuits and control circuits are disclosed for establishing a “contactless” radio frequency (RF) electromagnetic (EM) Extremely High Frequency (EHF) communications link between two electronic devices having host systems. The connectors are capable of monitoring, controlling, and directing (managing) link operation to dynamically adapt to conditions, as well as monitoring and altering (or modifying) data passing through the connector, and selecting a protocol suitable for a communications session. The connectors are capable of identifying the type of content being transferred, providing authentication and security services, and enabling application support for the host systems based on the type of connection or the type of content. The connectors may operate independently of the host systems, and may perform at least one of sensing proximity of a nearby object; detecting a shape of a nearby object; and detecting vibrations.

Abstract: The present invention relates to providing a device for use in corporate systems and methods thereof, and during emergency situations.

Abstract: A mobile terminal and controlling method thereof are disclosed, by which various kinds of convenient functions can be provided in manner of interworking with a watch type mobile terminal. The mobile terminal includes a wireless communication unit configured to exchange signals with a watch type mobile terminal and a controller, if a first signal is received from a watch type mobile terminal while executing a first function by the mobile terminal, transmitting information related to the first function to the watch type mobile terminal in order for the information related to the first function to be output from the watch type mobile terminal.

Abstract: Embodiments of the present application relate to the technical field of radio communication, and particularly to a method, system, and device for working on a TDD cell for enabling a UE to work on an asymmetric TDD cell. According to the embodiments of the present application, the method comprises: A network side device determining uplink parameter information of the asymmetric TDD cell; and the network side device putting the uplink parameter information into system information and sending the system information to a terminal to instruct the terminal to work on the corresponding asymmetric TDD cell according to the system information. In the embodiments of the present application, the uplink parameter information is added to the system information so that the terminal can work on the asymmetric TDD cell according to the system information, thereby improving the efficiency of the terminal.

Abstract: A first device presents first information that is associated with a first mode of operation. The first device receives a communication from a second device that is communicably coupled to the first device. The communication instructs the first device to perform an operation corresponding to an event associated with the second device. In response to receiving the communication from the second device, the first device presents second information that is associated with a second mode of operation corresponding to the event associated with the second device. The second information is presented by the first device concurrent with a processing associated with the event that is performed by the second device.

Abstract: An apparatus, system and method to dynamically manage an allocation of communication resources for direct device-to-device communications between a plurality of wireless communication devices in a wireless communication system. In one embodiment, the apparatus (410) includes a communication resource allocator (420) configured to: (1) select a master communication device of a plurality of wireless communication devices that form a device-to-device group, (2) provide an allocation of communication resources for device-to-device group that facilitate direct device-to-device communications therebetween. The apparatus (410) also includes a message generator (430) configured to assemble messages that include the allocation of the communication resources.

Abstract: A calling method for use in a terminal configured to communicate with a device, includes: establishing a data channel with the device for assisting a call, when the terminal is conducting the call with the device through a voice channel; and exchanging interaction information with the device through the data channel, the interaction information being configured to assist a first user of the terminal and a second user of the device in coordinating and interacting when conducting the call.

Abstract: A system monitors and controls pressure of vehicle parts. The system consists of: a fleet of vehicles, each vehicle of the fleet having a cab and a trailer; a controller maintaining a wireless server and database for the fleet of vehicles; a first cellular device transmitting data to and from an electronic control unit of the cab of each vehicle and the controller; and a second cellular device transmitting data to and from an electronic control unit of the trailer of each vehicle and the controller. The first cellular device and the second cellular device each utilize a publicly accessible cellular network for communication with the controller.

Abstract: According to one embodiment, a wireless communication apparatus includes a transceiver, an estimator and a controller. The transceiver transmits and receives a frame in a frequency band which is used by a first system executing communication in a first communication range determined by a first transmission power and a first antenna gain. The estimator determines whether an amount of interference in the frequency band from a second system is no less than a threshold, the second system executing communication in a second communication range which is larger than the first communication range and which is determined by a second transmission power and a second antenna gain. The controller increases a transmission power when the amount of interference is no less than the threshold.

Abstract: For providing a technology capable of balancing a CPU load and a network load independently, a distributed processing system includes one or more distributed processing devices in a structured P2P network, and the distributed processing device is provided with a key holding means for holding a routing key which is a key (value) for which order relation is defined and used for routing data, and an event key which a key (value) for which order relation is defined with relation to the routing key, and is used for management of data; a distributed processing device initializing means for registering into a routing table a tuple including the event key and an address of the distributed processing device holding the routing key which has a predetermined relation with the routing key held in the key holding means; and a routing table storing means for storing the routing table holding the tuple.

Abstract: A system and method for coordinating the sharing of media among wireless devices is disclosed. An originating wireless communication device sends to at least one target wireless communication device media on a media channel and at least one command on how to use the media on a command channel. These send operations can be performed synchronously or asynchronously. Each target wireless communication device, upon receiving both signals, executes the command on the media.

Abstract: A system and method for state synchronization between a base station and a mobile station in a mobile communication system. A count value indicative of a state change of the base station is received. The received current count value is compared with a previous count value previously received and stored. If the current count value is different from the previous count value, the mobile station performs a network entry procedure with the base station.

Abstract: A taxi trip meter system includes a taximeter and a location sensor connected to a computer loaded with street information and driver evaluation software. In a first embodiment, the estimated shortest route and distance between the starting and ending points of a trip are determined. If the estimated shortest trip distance is exceeded by an actual trip distance by a permissible margin, a distance violation is indicated. An actual average speed is calculated based on an actual trip duration and the actually traveled distance. If an estimated average speed limit for the actual route is exceeded by the actual average speed, a speed violation is indicated. In a second embodiment, an estimated taxi fare is calculated based on the estimated shortest route. If the estimated taxi fare is exceeded by an actual taxi fare calculated by the taximeter by a permissible margin, a fare violation is indicated.