Abstract: An adaptive predistortion system for controlling an open loop power amplifier includes a transmitter, a receiver, a phase and amplitude determination element configured to determine amplitude and phase characteristics of an output signal generated in the transmitter, the signal representing transmitter characteristics, an amplitude resampling element configured to generate an updated AM-AM predistortion signal based on the output signal generated in the transmitter, and an amplitude predistortion element configured to compare the updated AM-AM predistortion signal with a factory-calibrated AM-AM predistortion signal and generate an amplitude compensation signal.

Abstract: Disclosed is an RF power transmission network. The network includes at least one RF power transmitter, at least one power tapping component, and at least one load. The at least one RF power transmitter, the at least one power tapping component, and the at least one load are connected in series. The RF power transmitter sends power through the network. The power is radiated from the network to be received by a device to be charged, re-charged, or directly powered by the power.

Abstract: In a transmission power amplifier apparatus, a signal calculator divides an input signal into a plurality of N constant amplitude signals having a substantially identical predetermined constant amplitude value and having predetermined phases different from each other, and N power amplifiers amplify electric powers of the N constant amplitude signals under same predetermined operating condition. A power combiner combines the electric powers of the N power-amplified constant amplitude signals, and outputs a combined output signal. A controller controls the signal calculator to detect an amplitude value of the input signal, to detect an average value and one of a maximum value of the amplitude value of the input signal and a peak-to-peak value of the amplitude value for a unit time interval based on the detected amplitude value of the input signal, and to divide the input signal into the N constant amplitude signals having a constant amplitude value and different phases.

Abstract: An apparatus for controlling a gain of transmit antennas in a communication system. The transmit antenna gain control apparatus includes a controller for determining a gain of multiple transmit antennas on a basis of a transmit antenna having a minimum currently unused residual power among currently unused residual powers of the multiple transmit antennas used in the communication system.

Abstract: A diversity receiver includes a plurality of antennas to receive radio frequency signals. A plurality of receiver circuits are each coupled to a respective one of the plurality of antennas to process the received radio frequency signals, and a channel estimator is coupled to at least one of the receiver circuits to determine at least one of channel estimation values for the received radio frequency signals. A controller is coupled to the channel estimator and to at least one of the receiver circuits and selectively activates or deactivates the at least one receiver circuit based on the determined at least one channel estimation value.

Abstract: A system and method of injecting audio content into a radio system is provided. The method includes the steps of receiving in a radio receiver a first RF signal from an antenna and processing the signal at a select frequency within a radio frequency band. The method also includes the step of providing audio content from an auxiliary device. The method also includes the step of modulating the audio content from the auxiliary device and replicating the modulated signal to generate a replicated RF signal at the multiple frequencies within the radio frequency band. The method further includes the step of injecting the replicated RF signal into the radio receiver.

Abstract: A system and method detects an amount of data attributed to a device including reports sent to the device, and reduces the amount of data being used to provide reports to the device if the amount of data attributed to the device exceeds an amount assigned to the device. Data uploaded from the device is also minimized.

Abstract: A reception circuit receives a digital modulated high frequency signal and is equipped with a plurality of reception systems for receiving the same reception frequency. At least two reception systems share a voltage controlled oscillator of a frequency converting portion that performs frequency conversion of a signal based on the digital modulated high frequency signal, a reference signal oscillator, and a PLL circuit that generates a control voltage based on an output signal of the voltage controlled oscillator and a reference signal delivered from the reference signal oscillator and controls the voltage controlled oscillator based on the control voltage. The frequency converting portion delivers an intermediate frequency signal. The reception circuit includes an intermediate frequency variable gain amplifier that receives a signal based on the intermediate frequency signal.

Abstract: The receiver comprises a variable gain amplification unit, a mixing unit, a filtering unit, and three compensation unit. Each compensation unit detects powers of the signal amplified in the variable gain amplification unit, the signal down-converted in the mixing unit and the signal filtered in the filtering unit. A gain of the variable gain amplification unit is adjusted based on the powers detected by three compensation units.

Abstract: A direct conversion satellite tuner is fully integrated on a common substrate. The integrated tuner receives an RF signal having a plurality of channels and down-converts a selected channel directly to baseband for further processing. The integrated tuner includes on-chip local oscillator generation, tunable baseband filters, and DC Offset cancellation. The integrated tuner can be implemented in a completely differential I/Q configuration for improved electrical performance. The entire direct conversion satellite tuner can be fabricated on a single semiconductor substrate using standard CMOS processing, with minimal off-chip components. The tuner configuration described herein is not limited to processing TV signals, and can be utilized to down-convert other RF signals to an IF frequency or baseband.

Abstract: This object is to conclude an agreement for making an insertion interval of a pilot signal variable between radio communication apparatuses and improve a throughput of a communication. A pilot signal insertion interval acquiring unit 3 acquires the insertion interval of the pilot signal (known reference signal) which is optimal in a propagation path to a predetermined radio communication apparatus, from a signal sent through an antenna 9 and a receiving RF unit 1, or information sent from a higher layer. Then, in accordance with the insertion interval of this pilot signal, the pilot signal is inserted into a transmission data, and it is transmitted, or the insertion interval of the pilot signal is reported as the transmission data to a different radio communication apparatus. Thus, the insertion interval of the pilot signal in the propagation path can be made optimal.

Abstract: A dynamic low IF image interference avoidance receiver shifts the local oscillator frequency to avoid image interference and shifts the center frequency of the band pass filter to track the frequency shift of the local oscillator or uses two local oscillators, a first to shift frequency and separate the desired frequency and image interference frequency and the second to track the first and maintain the output IF at a fixed frequency

Abstract: An off-chip signal is provided to a differential branch-line directional coupler implemented entirely on-chip. The coupler produces differential quadrature signals, which are then buffered and applied to a quadrature mixer. The coupler is implemented entirely on-chip using microstrip transmission lines. The coupler is made up of a plurality of rings and a plurality of underpasses connecting ports of the rings, wherein each of the plurality of rings is made up of four branch lines, and each branch line having an electrical length of one-quarter wavelength at the center design frequency. Coupling between the plurality of branch lines of the rings may be varied.

Abstract: A frequency conversion circuit comprises an input stage composed of one or more transistors, the input stage outputting a current corresponding to a voltage-type RF signal which is input to the gate of the transistor; a frequency conversion stage receiving an LO signal, causing the output RF signal to transit by the frequency of the LO signal so as to output an IF signal, and detecting an output voltage of the IF signal; a bleeding transistor connected to the input stage, supplying a current corresponding to a DC voltage, applied to a gate-source stage thereof, as a bleeding current to the transistor of the input stage, and in an AC manner, operating complementarily with the input stage to control a current flowing in the frequency conversion stage; a common mode feedback circuit comparing an output voltage provided from the frequency conversion stage with a preset reference voltage, adjusting the output voltage such that the output voltage is equalized to the reference voltage, and directly feeding the adjus

Abstract: One end of a balanced line is connected to a base station. A transmitting and receiving antenna is connected to the other end of the balanced line. The balanced line not only transmits a signal sent from the base station to the transmitting and receiving antenna and at the same time leaks a part of the transmitted signal as the radio waves, but also transmits the received signal at the transmitting and receiving antenna to the base station. In a room where the balanced line is laid, wireless communication terminals are provided. The wireless communication terminals transmit and receive radio waves to or from either the balanced line or the transmitting and receiving antenna.

Abstract: A method and system for processing emergency calls on a wireless communication device with a low battery is provided. The wireless communication device is operatively connected to a subscriber identity module (SIM) card. The wireless communication device is also operatively connected to a battery for powering the device and has a display screen. The method comprises: receiving an input from a user of the wireless communication device comprising a number to be called; determining if the number to be called is an emergency call code; if the number is an emergency call code, determining if a low battery flag is set on the SIM card; if the low battery flag has not been set on the SIM card, allowing the call; if the low battery flag has been set on the SIM card, disallowing the call and sending a short message service (SMS) message to an emergency SMS address stored on the SIM card.

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”.

Abstract: A method for configuring a mobile communication device to perform transactions using a second communication channel that is different from a first communication channel through which the mobile communication device sends voice data. The method includes attaching a secure element to the mobile communication device. The secure element includes a memory storing an application, a processor configured to execute the application stored in the memory; and a wireless transceiver configured to send transaction data associated with the executed application through the second communication channel to a terminal that is remote from the mobile communication device.

Abstract: A roaming service method for a fast and secure wireless network is provided. In an embodiment of the present invention, an AP, which an STA associates with, transmits proactive keys needed for roaming to neighbor APs of the AP. When the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key. In another embodiment of the present invention, an authentication server transmits proactive keys needed for roaming to neighbor APs to which the STA is likely to move, so that when the STA moves to one of the neighbor APs, a reassociation is carried out between the STA and the neighbor AP using the already provided proactive key.

Abstract: An authentication system for performing authentication of a wireless terminal is a system that issues an authentication request to an authentication server connected to a communication network and includes a wireless base station and an authentication server. The wireless base station includes: an authentication information acquisition means for acquiring authentication information from a wireless connection request packet; and an authentication request transmission means for transmitting the authentication information acquired by the authentication information acquisition means and RAS unique information registered in the wireless base station to the authentication server.

Abstract: Provided are an apparatus and a method for downloading Subscriber Identity Module (SIM) data in a mobile communication system, which includes an authentication server that stores authentication information and a list of registered networks; a service provider server that stores SIM data and transmits the SIM data in response to a request for the SIM data; and a mobile communication terminal that receives user authentication from the authenticating server, checks the list of the networks, allows a network, which is to be accessed, to be selected from among the list of the networks, and accesses the service provider server in the selected network so as to download the SIM data.

Abstract: A communication terminal with a camera includes a communicator for processing the sending and receiving of mail messages, a designator for designating any one of the mail messages received by the communicator as a browsing mail message, and a determiner for determining whether there is an image related to the browsing mail message. When a determination result by the determiner is negative, a first validator validates a defined camera setting, and when a determination result by the determiner is affirmative, a second validator validates a camera setting compliant with the related image. A creator creates an image along with the camera setting validated by the first validator or the second validator, and an attacher attaches the image created by the creator to a mail message using a sending source of the browsing mail message as a destination.

Abstract: A method and system for correlating a work request to a provider based on content of the work request and delegating the work request to the provider using an instant message (IM) service. An instant message service including those offered by existing IM service providers is used to notify a provider that a request has been received requesting work to be performed. The instant message may include a link to details of the work being requested, establish an electronic mail communication, point to a web site or initiate an application that communicates with web-enabled services on a server connected to the Internet.

Abstract: Provided is an apparatus and method for displaying an instant message in a mobile terminal. The apparatus includes an input unit for receiving a character string composing the instant message; a converter for converting the instant message into XML; a message processor for, upon receipt of a character string set with one or more fonts from the input unit, controlling and creating the instant message comprising the character string, converting the instant message with one or more fonts into XML by the converter, and sending the converted instant message; and a communication unit for sending and receiving the converted instant message.

Abstract: Systems, apparatus and methods are described that provide abstractions, automation, personalization, tools and delivery systems useful in the publication, sharing, viewing, communication, transmission and reception of information on telephone networks. The invention provides systems, apparatus and methods for conducting transactions on telephone networks, for automated, customized, integrated and bimodal responses to phone calls. Subscribers may customize and configure personalized and customized automated response systems that are adaptable based on caller identity and time of day. Flexible customization of responses is enabled using rule-based engines. Personalized subscriber identities enable callers to reach subscribers without direct access to subscriber telephone numbers. Subscriber telephone numbers can be aggregated and accessed through a single contact point. Flexible automated call forwarding to appropriate subscriber telephone numbers is provided.

Abstract: Disclosed are a voice message transmission system, transmission result notification system and methods thereof. A transmission terminal records a voice message and receiving terminal information. An IP server recognizes the record of a voice message and generates a communication path to the receiving terminal corresponding to the receiving terminal information. After detecting a voice message reception notification signal from the receiving terminal, the IP server provides the receiving terminal with the voice message. In the present invention, a receiver can listen to the voice message without manipulating a key. Thus, the present invention can increase the convenience in using a voice mailbox server.

Abstract: A method and apparatus for presenting ring back tones is disclosed. A system that incorporates teachings of the present disclosure may include, for example, a network management system (NMS) having a tracking element that tracks an approximate location of a subscriber, a detection element that detects the subscriber roaming from a first time zone to a second time zone according to one or more of the approximate locations tracked, and a configuration element for updating a temporal configuration of a ring back tone service of the subscriber according to the second time zone. Additional embodiments are disclosed.

Abstract: A method and system for managing trial service subscriptions for a user of a mobile communications device in a communications network. The system and method provide the capability to allocate one or more trial services to the mobile communications device of a new user. A new user includes a subscriber having an active billing identifier and an identification record (e.g. a SIM) that was created within a grace period, or a subscriber that is currently deactivated but has a SIM record that is created within a grace period. A new user can also include a subscriber changing to a new mobile communications device and registering within a grace period.

Abstract: Use of alternate digital content in connection with mobile devices is recorded and reported. An exemplary embodiment comprises an alternate content reporter module on the mobile device that works alongside an alternate content scheduler and a micro-splicer. The alternate content reporter also comprises a mobile network interface for interaction with a mobile data and broadcast network, an alternate content scheduler interface for enabling the recording of consumption and interruptions in consumption, a rulebook that provides rules for alternate content reporting, and a preference provisioning module comprising an alternate content reporter library for storing network preferences for reporting to access networks.

Abstract: Techniques are provided that extend the capabilities of mobile phone devices to automatically assign media content items to “contacts” list entries. Thus, if a mobile device user indicates the desire to purchase a media content item to be assigned to or associated with another mobile device user (e.g., an entry in a contacts list), the experience of acquiring that media content item and making the assignment can be seamless reducing the number of tedious manual steps to accomplish that task.

Abstract: A wireless communication terminal in which items are stored that have been generated or received during use of the terminal is provided with a system for restricting access to private or sensitive information by unauthorized users in a user-friendly way that does not require entry of a password.

Abstract: A function control information transmitter 30 transmits function control information 40 for controlling the function of a terminal device 10 such as a mobile telephone. When the terminal device (mobile telephone 10) receives the function control information 40 from the function control information transmitter 30, the terminal device analyzes the received function control information 40 so as to control the function of the control object even without preparing in advance a correspondence table for controlling the function. Thus, it is possible to easily use the optimal function, application software, and a service in accordance the environment and the situation.

Abstract: A method and apparatus of managing a phone device of a personal digital assistant (PDA) is provided. In one example of the present invention, the PDA retrieves a call history list from a stored memory location, the call history list including a call history list record. The PDA then displays at least a portion of the call history list on a screen of the PDA. The call history list preferably includes phone numbers and names associated with those phone numbers. In another example, the method further includes displaying call details of a selected call history list record. The call details preferably includes a date, a timestamp, and a duration.

Abstract: A system (100) for reconfiguring a remote device (102) (e.g., a client device) that includes at least one processor (200) and reconfigurable logic (202) that is operatively coupled to the processor (200), employs for example, a network element that serves as a remote profile server (104) for the remote device (102). The remote device (102) includes an application profiler (206) that produces application runtime profile statistic information (120) during runtime of an application running on at least one processor (200) of the device. The remote profile server (104) includes a profile analyzer (130) that analyzes the received application runtime profile statistic information (120) to determine suitable reconfigurable logic configuration information (122) and corresponding application patch information (124) for the remote device (102).

Abstract: A system for managing mobile electronic devices in a network, including a plurality of mobile electronic devices, a directory service including user data pertaining to one or more users of the plurality of mobile electronic devices, and a device manager for receiving the user data and determining a group of the users and at least one privilege applicable the group based on the user data and data from at least one other source, wherein the device managers sends at least one mobile application to one or more of the plurality of mobile electronic devices based on the privilege, and wherein the device manager includes software for determining a status of the at least one mobile application for each of the one or more mobile electronic devices.

Abstract: A method and system for handling a faulty registration for a subscriber with a mobile communication device in a communications network. A faulty registration comprises a registration missing identification information or having a field that is missing an identifier or other form of information. The method and system comprise selecting another field or property in the faulty registration, which is populated with an identifier or identification information, and searching the selected field or property in a list of registrations for matching identification information. Associating the faulty registration with an existing registration for a subscriber based on matching the identification information. According to another aspect, the system and method comprise generating a new registration for the customer with the faulty registration if a matching registration is not located or search criteria are not satisfied.

Abstract: A method for reporting a scan result in a mobile communication system, which includes scanning, via a mobile terminal, neighboring base stations during a period determined by the mobile terminal, transmitting a first message to a serving base station to notify the serving base station that a scanning result acquired in the scanning step will be reported to the serving base station, and receiving, via the mobile terminal, a second message including information used for generating a report of the scanning result from the serving base station in response to the first message. The method also includes transmitting, via the mobile terminal, a third message including the scanning result acquired in the scanning step to the serving base station according to the information used for the report of the scanning result.

Abstract: A portable electronic device includes an interface unit for connection to a removable storage medium; at least one data item store; a group of application handling units, at least one application handling unit in the group of application handling units providing an application handling user data; at least one access control module; and an access setup unit configured to receive a user identity from the removable storage medium via the interface unit, locate a user access control module associated with the received user identity, and force user data handling applications that view, read, or write data items to access data item stores in the portable electronic device via the user access control module. The user access control module restricts viewing, reading, and writing of data items to data areas provided for the user identity in data item stores in the portable electronic device.

Abstract: Methods, systems and apparatus for ground-based beamforming of a satellite communications payload (200) within a satellite communications network (100). An embodiment of the invention comprises a satellite (11) communicatively coupled to at least one gateway (12) via a feeder link (13) and further coupled to a plurality of user terminals (16), each communicatively coupled with the satellite by a user link (17). A ground based beam forming system (400) measures and corrects amplitude and phase errors of a plurality of return path signals (452) traveling from the user terminals (16) via the satellite (11) to the at least one gateway (12), and measures and corrects amplitude and phase errors of a plurality of forward path signals (457) traveling from the at least one gateway (12) via the satellite (11) to the user terminals (16).

Abstract: A portable communication device is equipped with profile tracking functionality. A method of generating a profile for the user of the portable communication device includes tracking user activities and user preferences based on the user's use of the portable communication device. The tracked user activities and user preferences are indexed and a user profile is created based on the indexed user activities and user preferences. Profile tracking allows for the creation, viewing and exchange of profiles among users with similar interests.

Abstract: A system and method is provided for establishing a call to a wireless directory number (982) which is either a non-geographic directory number or a non-dialable directory number. A call is initiated from a wireline telephone (155) to a geographic-based local access directory number (994, 996). An originating switching node (810) recognizes the local access directory number (994, 996) as an AIN trigger, and thereafter identifies a signaling node (820) that is associated with the dialed local access DN (994, 996). The signaling node (820) sends a location request that includes the local access DN (994, 996) to an HLR (130). The HLR (130) obtains the wireless DN (982) from an internal database (990) in which the wireless DN (982) is associated with the local access DN (994, 996). The HLR (130) utilizes the wireless DN (982) to receive a temporary local directory number (TLDN) from visitor location register (140).

Abstract: There is disclosed a system and method for transferring a mobile handheld device between mobile carriers. In an embodiment, a system for transferring a handheld device between mobile carriers comprises a provisioning system for receiving from a first mobile carrier a request to register the device on the first mobile carrier's wireless network; a database uniquely identifying the device to determine if the device has been previously registered; deactivation means for deactivating the device from the second mobile carrier's wireless network if the device has been previously registered to a second mobile carrier; and registration means for registering the device on the first mobile carrier's wireless network upon confirmation that the device has been deactivated from the second mobile carrier's wireless network. The device may be uniquely identified by a unique electronic serial number (ESN) or a unique product identification number (PIN).

Abstract: In a telecommunications system, such as E-UTRAN, a User Equipment 6 is connected to a base station eNB 8 by an early radio bearer, which is established using preset values stored at the UE 6 and at the eNB 8. This enables data to be transferred over the radio link prior to formal establishment of a radio bearer between the UE 6 and the eNB 8.

Abstract: A multi-mode handset apparatus may incorporate a radio element that is operative in accordance with a plurality of communication standards. A coexistence engine may arbitrate access to resources of the radio element by media access controllers and baseband components.

Abstract: A system and method for handoff are provided. A mobile station performs a make-before-break handoff of a control channel between a serving and target base station and a break-before-make handoff of a traffic channel between the serving and target base stations. The traffic channel handoff is performed after the control channel handoff has completed.

Abstract: A method uses inter-base station control messages to provide neighbor base station information to mobile subscriber stations in a mobile communication system. The method includes obtaining, at a serving base station, physical channel information of neighbor base stations over a backbone network via, either directly or via a server; periodically transmitting the obtained physical channel information from the serving base station to a mobile subscriber station connected to the serving base station; and measuring, based on the updated physical channel information, signal quality of the at least one neighbor base station at the mobile subscriber station. Thus, the serving base station receives from the neighbor base stations the inter-base station control messages containing the neighbor base station information, updates the information, and provides the updated information to the corresponding mobile subscriber station(s), to be used for a specific purpose such as handover or network entry.

Abstract: Facilitating use of a restricted base transceiver station is disclosed. To a first set of subscribers associated with a mobile network operator, access to a mobile network is provided via base transceiver stations associated with a first mobile network identifier associated with the mobile network operator but not via base transceiver stations associated with a second mobile network identifier associated with the mobile network operator. To each of a second set of subscribers associated with the mobile network operator, access to the mobile network is provided via a corresponding subset of a set of base transceiver stations associated with the second mobile network identifier, the subset including for each subscriber in the second set one or more base transceiver stations with respect to which that subscriber is an authorized user.

Abstract: An object of the present invention is to avoid packet loss and implement a seamless handover by minimizing the handover latency when a handover is implemented by a multihomed moving network (MN) or a mobile host (MH). The present invention is a mobile communication system that is constituted comprising an MN, a plurality of AI each constituting an interface for the connection to a core network at the MN, and a control device (MMF), wherein the MMF dynamically changes the AI adopted as the connection interface when a predetermined condition is satisfied on the basis of the connection status to the core network at each AI or the prediction information for a subsequent handover.

Abstract: A radio communication apparatus which communicates with a radio terminal device, the apparatus belonging to a first group, the device performing handoff between apparatuses which belong to the first group, the apparatus includes unit selecting one block from frequency blocks obtained by dividing a specified frequency band, the frequency blocks being continuous on a frequency axis, unit detecting an unused channel among channels contained in the selected block, unit detecting an in-use channel among the channels when the unused channel is detected, unit determining whether a second group to which a device which is using the detected in-use channel belongs is the same as the first group, and unit assigning the detected unused channel as a channel for communication with the radio terminal device when the in-use channel fails to be detected or the determination unit determines that the second group is the same as the first group.

Abstract: In a non-limiting aspect thereof, the exemplary embodiments of this invention provide a method that includes starting a timer in a base station after sending a handover information message, and stopping the timer upon a condition, including either receiving an expected handover related message, or expiration of a maximum allowed time value of the timer.