Abstract: When communication quality exceeds the first threshold, the radio communication terminal 300 starts connection with the radio communication system 120 and establishes the radio link L2 to the radio communication system 120. Further, a handover from the radio link L1 to the radio link L2 is performed when the communication quality exceeds the second threshold after the establishment of the radio link L2, the second threshold corresponding to communication quality degraded than that indicated by the first threshold.

Abstract: Systems and methods are disclosed for automatically powering on and off one or more radios in a mobile device according to a schedule generated automatically for each of the one or more radios. To generate the schedules, each of the one or more radios are powered on for a designated period of time. During the designated period of time, information is recorded specifying the availability of network coverage for each of the radios. A schedule for each of the radios is then generated according to this information. Each radio is subsequently automatically powered on and off according its schedule.

Abstract: A first device transmits a training signal with a fixed beam pattern, a second device receives the training signal while scanning a beam direction, and then it obtains first AWVs each having a main beam or sub-beam beam direction in an incoming direction in the second device. Next, the first device transmits a training signal while scanning a beam direction, the second device receives the training signal with a fixed beam pattern, and then it obtains second AWVs each having a main beam or sub-beam direction in an emitting direction in the first communication device. The roles of these two devices are interchanged and similar processes are performed in order to obtain third and fourth AWVs, and then one of first AWV combinations from first and second AWVs and one of second AWV combinations from third and fourth AWVs are used for wireless communication between these devices.

Abstract: A While a mobile device operates for communications in a WWAN, its WLAN transceiver portion may be maintained in a low power state. During the WWAN operation, the mobile device performs one or more scanning operations with use of a WWAN transceiver portion for identifying a current set of cell site identifications corresponding to a currently-serving base station of the WWAN and one or more neighboring base stations. The mobile device compares cell site identifications of the current set with those in a stored set, and identifies if the, number or percentage of matching cell site identifications of the current and stored sets meets or exceeds a predetermined threshold. If the predetermined threshold is met or exceeded, the mobile device exits the WLAN transceiver portion from the low power state and enables its operation for communications.

Abstract: A system and method of a Dial-Up Networking (DUN) approach is disclosed. The DUN system authenticates a wireless network between a portable electronic device and a control module. The DUN system includes the portable electronic device, a transceiver, and the control module. A wireless service carrier is associated with the portable electronic device. The control module includes control logic for determining the wireless service carrier associated with the portable electronic device. The control module further includes control logic for establishing the wireless network connection between the control module and the portable electronic device.

Abstract: Briefly, a wireless communication device that includes a processor to enable a determined number of receivers of a MIMO system according to a value provided with a request to enable the receivers is provided. A method for enabling the receivers of MIMO system is also provided.

Abstract: In a wireless terminal having a wireless transceiver and a wireless receiver which operates with lower power than the wireless transceiver, when the wireless receiver receives, from a base station, a notification message notifying that data addressed to the terminal is existent, the wireless transceiver is turned on to acquire the data.

Abstract: A wireless communication device having a configurable antenna, includes: a first antenna having a first resonant frequency; a first frequency modification unit for modifying the first resonant frequency of the antenna; a function operation unit activating a plurality of functions; and a control unit controlling the first frequency modification unit to modify the first resonant frequency in accordance with a function activated by the function operation unit.

Abstract: Convenience is improved when a mobile telecommunication terminal uses a fixed telephone line. The mobile telecommunication terminal to perform communication via a mobile telecommunication network by cellular communication is a dual-mode terminal able to be wirelessly communicated (by non-cellular communication) with a communication device such as a fixed telephone or a wireless LAN (Local Area Network) access point. The mobile telecommunication terminal when carrying out signal transmission by accessing the communication device via a fixed telephone line connected to the communication device, obtains a telephone number of the mobile telecommunication using usable cellular communication as notifying information and transmits the information to the communication device. The communication device carries out signal transmission via the fixed telephone line so that the telephone number notified from the mobile telecommunication terminal is transmitted to a signal receiver.

Abstract: Analog signal paths are utilized between a baseband processor and a radio front end to support high throughput communications for a multiple in multiple out radio transceiver that support communications over two or more antennas. Specifically, analog differential I and Q path communication signals are exchanged between a radio front end core and a baseband processor to maximize throughput capacity for high data rate signals. Along the same lines, the impedances of traces and the interface are matched to reduce I/Q imbalance.

Abstract: Methods and apparatus for dynamic thermal management and control within, e.g., small form-factor wireless devices such as laptop computers or cellular “smartphones”. In one embodiment, a thermal management system monitors the temperature (or other relevant criteria) for one or more components, and implements different operating states within the wireless transceiver (e.g., Wi-Fi™ or WiMAX transceiver) so as to both reduce thermal output and minimize disruption to the wireless link and/or user experience. In another embodiment, a wireless client may communicate with other clients, and/or access points, so as to cooperatively provide more options for thermal management. In addition, methods and apparatus employing “high performance” (e.g., high power output or high data rate) radios within aggressively small industrial designs are also disclosed.

Abstract: It is an object of the present invention to provide a wireless communication system which can allow a wireless LAN terminal device (1000) to establish a connection to a wireless LAN through a simplified procedure. In the wireless communication system, a wireless LAN access point (1100) performs wireless communication with a wireless LAN terminal device (1000) having personal identification information (1005) necessary to identify a person as a registered user.

Abstract: Systems are described that reduce or obviate the impact of limited processing resources and/or limit the power consumption in a receiver having signal processing functions at least partially implemented in software. A wireless receiver includes reception means for receiving a signal over a wireless channel in a wireless external environment. The receiver includes storage means, and a processor configured to perform a plurality of signal processing functions for extracting processed data from said signal, each of said signal processing functions having a plurality of alternative software implementations requiring different levels of usage of a processing resource. The processor estimates at least one parameter relating to the external environment and selects and executes one of the software alternatives for each of the respective signal processing functions to apply a set of implementations adapted to a required quality of said processed data. Related methods and computer program products are described.

Abstract: In a wireless device that includes two different radio transceivers that communicate in two different wireless networks, wireless transmissions from one radio in the first network may be timed so that they do not coincide with wireless receptions by the other radio in the second network. A non-wireless interface between the two radios may be used to convey information about the scheduled reception times so that the transmission will not be scheduled during those reception times. This may be particularly useful when the receiving radio is operating in a centralized and highly scheduled network, while the transmitting radio is operating in a more decentralized network.

Abstract: A system and method providing concurrent multimode communication through multimode signal multiplexing. Various aspects of the present invention may comprise, during a first time period, transmitting a first portion of a first communication in a first communication mode in a serial wireless transmission stream. During a second time period after the first time period, a first portion of a second communication may be transmitted in a second communication mode in the serial wireless transmission stream. Also, during a third time period after the second time period, a second portion of the first communication may be transmitted in the first communication mode in the serial wireless transmission stream. In an exemplary scenario, prior to communicating various communications, transmission time may be allocated between the first and second communication modes. In another exemplary scenario, transmission may be switched between a plurality of communication modes in response to detected communication conditions.

Abstract: The present invention relates to a system and method for facilitating short-range wireless communications between a mobile wireless device and an auxiliary device. The wireless device includes a short-range transceiver for communicating with an auxiliary device; a signal module for providing a mode control signal; and, a control module for controllably shifting a short-range transceiver between a power saver mode and a search mode based on the mode control signal received from the signal module. When in the search mode, the short-range transceiver is operable to search for the auxiliary device to communicate therewith. When in a power saver mode, the short-range transceiver is not operable to search for the auxiliary device.

Abstract: To access a first communication system, a terminal determines a transmission time for an access probe, an expected response time from the system, and a protected time interval based on the transmission time and/or expected response time. The terminal determines a starting time for sending the access probe such that the protected time interval does not overlap a tune-away interval in which the terminal is to monitor anther frequency/air-interface. This starting time may be set initially to the end of a prior access probe plus a pseudo-random wait duration and may be advanced forward or moved backward in time, if needed, by a time duration selected such that the protected time interval does not overlap the tune-away interval.

Abstract: A Dual mode mobile terminal (MT2) comprising a WLAN interface (WLAN_NIC) and a cellular radio interface (GSM_NIC) has been described wherein when receiving a Page Request message over the cellular radio interface (GSM_NIC), indicating an incoming voice call over the cellular radio interface, or upon receiving an indication from the user of the dual mode terminal to perform an outgoing voice call, performing a determination as to whether a WLAN coverage is possible from an AP providing WLAN telephony calls, and if so responding, by issuing a WLAN call message to a WLAN AP over the WLAN interface to an interworking node (IWFN).

Abstract: The present invention relates to a method of performing handover from an asynchronous mobile communication network to a synchronous mobile communication network. If the access network of the asynchronous mobile communication network (100) requests handover to an MSC (104) of the asynchronous mobile communication network, the MSC requests/receives subscriber information of the mobile communication terminal from a dual-stack HLR (300), and transmits a handover request message to the synchronous mobile communication network (200). The MSC (203) of the synchronous mobile communication network assigns a forward channel to the mobile communication terminal. The asynchronous mobile communication network (100) transmits a handover instruction message to the asynchronous RF device of the mobile communication terminal. Accordingly, the mobile communication terminal sets up a synchronous RF device, connects to the synchronous mobile communication network through reverse channel assignment and synchronization.

Abstract: Aspects of a method and system for sharing RF filters in systems supporting WCDMA and GSM are provided. A receiver in a wireless device enables receiving WCDMA signals and GSM signals. The WCDMA signals may be received via at least one duplexer within the wireless device. A processing path for the received WCDMA signals or a processing path for the received GSM signals may be selected within the receiver. The processing paths may share bandpass filtering and signal amplification. A gain in the shared signal amplification may be adjusted after filtering the received signals. For received WCDMA signals, the gain adjustment may be based on a gain provided to the received WCDMA signals before applying the shared bandpass filtering. At least one signal may be generated for selecting the processing path and/or for adjusting the shared signal amplification gain.

Abstract: Provided is an information processing apparatus including a first and second communication units: the first for non-contact communication with a first/second external apparatus through a first path; and the second for communication with the first/second external apparatus through a second path. The apparatus also includes a unit for controlling the second communication unit to start communication with the second external apparatus through the second path, by a request for such communication transmitted from the second external apparatus to the first communication unit. The apparatus also includes a unit for managing information to be held when the request is received. The information indicates a state of communication with the first external apparatus through the second path at the reception of the request. Under the control, communication with the first communication unit specified by the information starts through the second path, where communication with the second external apparatus has been terminated.

Abstract: A distributed antenna system comprises a base transceiver station, a plurality of distributed antenna units and a signal routing apparatus. The base transceiver station has a plurality of output ports that generate a plurality of downlink signals having overlapping transmit frequencies and containing different communication content. The different communication content is directed toward each of a plurality of mobile units. The base transceiver station also has at least one uplink receive port that receives an uplink signal. The uplink signal includes communication content received from at least one of the mobile units. The plurality of distributed antenna units have coverage areas that are non-overlapping or only partially overlapping.

Abstract: A subsystem selection entity and method of controlling a subsystem selection entity is described. The subsystem selection entity is arranged to conduct a subsystem selection-procedure and a control procedure which comprises at least one control operation for controlling how one or more subsystems conduct a subscriber-not-reachable service.

Abstract: A method, device, component and computer program product are described for controlling radios/modems in a multiradio device so as not to interfere with one another. A first set of timeslots for a first modem of the device is mapped to a master clock. A second set of timeslots for a second modem of the device is mapped to the master clock. Specific transmit and receive schedules for the modems are assembled into scheduling tables and potential instances of interference are found. Transmission, reception, or both for one of the modems (the first modem) is inhibited during an authorized timeslot of the first set that overlaps with an authorized timeslot of the second set. The authorized timeslots are determined from the transmit and receive schedules.

Abstract: A network listening method of a mobile phone is provided. The mobile phone includes a code division multiple access (CDMA) chip and two user identity module (UIM) cards. The network listening method executes a first network listening method to listen to a communication network, if a listening frequency of the first UIM card equals a listening frequency of the second UIM card and the listening channel of first UIM card equals the listening channel of the second UIM card. The network listening method further executes a second network listening method to listen to the communication network, if the listening frequency of the first UIM card does not equal the listening frequency of the second UIM card and/or the listening channel of first UIM card does not equal the listening channel of second UIM card.

Abstract: A wireless device comprises a first wireless transceiver, a second wireless transceiver, and control logic. The control logic is coupled to the first wireless transceiver and the second wireless transceiver. The control logic is configured to determine whether to transmit protection frames (e.g., clear-to-send 2 self frames) based upon sequence numbers in frames received from another device.

Abstract: A radio-frequency (RF) receiver includes a receiver analog circuitry and a receiver digital circuitry. The receiver analog circuitry resides within a first integrated circuit and the receiver digital circuitry resides within a second integrated circuit. The second integrated circuit couples to the first integrated circuit via a one-bit digital interface. The receiver analog circuitry receives an RF signal and processes the received RF signal to generate a digital signal. The receiver analog circuitry provides the digital signal to the receiver digital circuitry. The receiver digital circuitry includes a digital down-converter circuitry that mixes the digital signal with an intermediate frequency (IF) local oscillator (LO) signal to generate a digital down-converted signal. The receiver digital circuitry also includes a digital filter circuitry that filters the digital down-converted signal to generate a filtered digital signal.

Abstract: A first switching circuit (21) outputs a first radio signal representing a plurality of time-division multiplexed programs and a second radio signal other than the first radio signal, one at a time according to a switching signal. A voltage control oscillator (27) outputs a local signal at a frequency suitable for whichever signal outputted. Using the local signal generated, a frequency converter (24) frequency converts the first and second radio signals to first and second baseband signals, respectively. Via a second switching circuit (31), a first baseband unit (40) and a second baseband unit (50) are supplied with the first and second baseband signals, respectively, and demodulate them to first and second data signals. A switching unit (60) supplies the switching signal indicating periods during which the first radio signal represents a user-selected program, to a tuner unit (20) where the first and second radio signals are processed by time-sharing.

Abstract: A system and method for protecting a wireless device including co-located network transceivers from uplink starvation are disclosed herein. A wireless device includes a first wireless transceiver and a second wireless transceiver respectively configured for communication via a first wireless network and a second wireless network. The wireless device further includes logic that determines which of the first and second transceivers is enabled to transmit at a given time. The logic determines a duration of a pending transmission via the first transceiver, and determines a predicted start time of a predicted transmission via the second transceiver. Based on the duration and the predicted start time, the logic transmits a notification signal indicating that a receiving device should refrain from transmitting on the first network for a reserved time ending after the pending transmission starts. The pending transmission starts following completion of the predicted transmission.

Abstract: A novel and useful apparatus for and method of integrating the advanced audio distribution profile (A2DP) audio codec into a Bluetooth controller for audio streaming applications. The mechanism functions to break the prior art Bluetooth protocol stack by integrating a profile packet composer into the controller. The profile/stack control signaling is performed by the host while the profile data packet composer is implemented in the controller. The integrated data packet composer does not break the data path and flow control over the standard HCI. Further, the integrated packet composer allows the controller to open a dedicated data interface for specific applications (e.g., PCM/I2S for audio data).

Abstract: A multimode handset and method that includes a first communications path adapted to communicate using a mobile telephone communications protocol, a second communications path adapted to communicate using a local, cordless communications protocol, and a processing unit in communication with the first and second communications paths and configured to switch between the first and second communications path during a telephone call.

Abstract: An apparatus and method for supporting a multiple antenna service in a wireless communication system are provided. The apparatus includes at least one antenna, a form determining unit for determining a form of an MS, and an antenna constructing unit for constructing an antenna structure according to the form of the MS using the at least one antenna.

Abstract: A low duty mode is provided for a femtocell base station operating as part of a cellular communications system. Methods and systems are described for reducing the service impact of the low-duty mode on mobile stations that are either already attached or are attempting to attach to a femtocell base station.

Abstract: Provided is a power amplifier sharing system for a mobile communication system having a mobile Radio Frequency Identification (RFID) function, particularly, a power amplifier sharing system that can reduce the power consumption and the size of a circuit in a mobile communication terminal having a mobile RFID function. The system includes a mobile communication transceiver for transmitting/receiving a mobile communication signal; a mobile RFID transceiver for transmitting/receiving a mobile RFID signal; a power amplifier for amplifying a signal; a switch for connecting the mobile communication transceiver and the mobile RFID transceiver to the power amplifier; and a transceiver controller for controlling the switch and the power amplifier.

Abstract: The present invention relates to a solution for determining wireless communication cell characteristics related to wireless MIMO transmission mode and dynamically selecting suitable communication transmission mode for certain parts of the wireless communication cell. The solution uses a flatness spectrum analysis of received impulse response from a plurality of measurement points in the cell using a plurality of antennas in a wireless network access gateway, e.g. a base station.

Abstract: Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may have antenna diversity circuitry that allows an optimum antenna in an antenna structure to be switched into use during device operations. The antenna structure may be shared between multiple radio-frequency transceivers in a radio-frequency transceiver circuit. The radio-frequency transceiver circuit may be coupled to the antenna structure using switching and filtering circuitry. The filtering circuitry may include a diplexer that divides radio-frequency signals into a divided signal path based on frequency. The filtering circuitry may also include bandpass filters that are interposed in each branch of the divided signal path. Switching circuitry in the switching and filtering circuitry may be used to selectively configure the wireless communications circuitry in transmit and receive modes using multiple communications bands.

Abstract: A mobile terminal apparatus is provided. The mobile terminal apparatus includes a base station communication unit configured to perform a communication with a base station via a pubic communication network; a short-range communication unit configured to perform a short-range communication with a short-range communication device, wherein a communication distance of the short-range communication unit is shorter than that of the base station communication unit; and a control unit configured to control the base station communication unit to receive broadcast information transmitted from the base station. When a first communication is performed between the short-range communication unit and the short-range communication device, the control unit controls the base station communication unit to be capable of receiving the broadcast information.

Abstract: A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. Signal quality metrics for each frequency band are evaluated by a receiver to identify qualified frequency bands. The qualified frequency bands can be ranked according to one or more signal quality metrics, where the list of qualified bands can be communicated to a transmitter. The transmitter is arranged to evaluate the list of qualified bands and select a communication method based on the available frequency bands and a selected communication optimization scenario. Multiple frequency bands and communication methods can be utilized by the transmitter such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication.

Abstract: A system and method are provided for sequencing radio events in a mobile device with a multi downlink multi carrier receiver. In the mobile device, there is a processor in communication with a timing control unit (TCU), whereby the TCU is in communication with two or more radios. The processor collects one or more radio events corresponding to the two or more radios and then sorts the radio events from highest priority to lowest priority to form a sorted list. The processor then loads the sorted list, beginning with a highest priority radio event, onto the TCU.

Abstract: Methods and systems for disabling paging to a WCD that fails to communicate properly with a RAN are introduced. In an exemplary embodiment, a first WCD that fails to communicate properly with the RAN may inform the RAN of the failure to communicate by relaying a message to the RAN via a second WCD. The second WCD preferably is able to communicate properly with the RAN. Upon receiving the message from the second WCD, the RAN may disable paging to the first WCD, thereby helping to conserve data storage, processing cycles, and paging channel capacity at the RAN.

Abstract: A multiband radio communication device according to the present invention comprises: a radio communication unit configured to transmit a first radio signal in a first frequency band and to receive a second radio signal in a second frequency band different from the first frequency band; a filter connected to the radio communication unit and configured to attenuate the first radio signal; a switch configured to disconnect the filter from the radio communication unit; a communication data determination unit configured to determine a condition of communication data transmitted or received via the radio communication unit; and a switch controller configured to operate the switch, on the basis of the condition of the communication data determined by the communication data determination unit.

Abstract: An advanced antenna or set of antennae for a wireless device is provided by embedding the antennae into the battery case or generally the largest surface area of a wireless phone. The antenna connections are made through the battery's connections to the wireless device. The antenna design can be compact and located in any area of the battery. The antenna design can be thin and flat, located at the back surface of the battery or the large rear surface of a wireless phone, facing away from the user. An RF shielding device can be embedded into the battery and configured in relation to the antenna such that the RF field intensity and the consequent specific absorption rate for the user is lowered while the outgoing signals of the wireless device remain fully adequate for the function of the wireless device. This feature is preserved for a multi-band operation because a digital phase shifter is used between two radiating antennae.

Abstract: Wireless devices may contain multiple radio transceivers, each conforming to different communication protocols. A first transceiver conforming to a first communication protocol in a first wireless device may be able to receive, detect, and/or decode messages transmitted by a second transceiver in a second wireless device conforming to a second communication protocol. The first transceiver may communicate received, detected, and/or decoded information to a different transceiver in the same first wireless device, thus enabling the collocated transceivers to work in concert efficiently. A wideband transceiver using a set of multiple sub-channels in parallel may receive, detect, and/or decode messages transmitted by a narrowband transceiver using a set of multiple channels serially, thereby reducing scan time and power consumption.

Abstract: A wireless device includes processing circuitry and a Radio Frequency (RF) receiver section. The processing circuitry determines a set of information signals for receipt, the set of information signals carried by a RF Multiple Frequency Bands Multiple Standards (MFBMS) signal having a plurality of information signal frequency bands. The processing circuitry determines a shift frequency based upon the determination. the RF receiver section receives the RF MFBMS signal and down-converts the RF MFBMS signal by the shift frequency to produce a baseband/low Intermediate Frequency (BB/IF) MFBMS signal. The processing circuitry then extracts data from the set of information signals of the BB/IF MFBMS signal.

Abstract: A communication apparatus has at least one radio transceiver module, a first subscriber identity card with a first address and a second subscriber identity card with a second address. The first subscriber identity card camps on a first cell belonging to a first wireless network via the radio transceiver module, and the second subscriber identity card camps on a second cell belonging to a second wireless network via the radio transceiver module. The communication apparatus includes first processor logic coupled to the radio transceiver module, the first subscriber identity card and the second subscriber identity card, receiving a communication request requesting for establishing wireless communication between the first subscriber identity card and a peer communication entity.

Abstract: A programmable antenna assembly includes a configurable antenna structure, a configurable antenna interface, and a control module. The configurable antenna structure includes a plurality of antenna elements that, in response to an antenna configuration signal, are configured elements into at least one antenna. The configurable antenna interface module is coupled to the at least one antenna and, based on an antenna interface control signal, provides at least one of an impedance matching circuit and a bandpass filter. The control module is coupled to generate the antenna configuration signal and the antenna interface control signal in accordance with a first frequency band and a second frequency band such that the at least one antenna facilitates at least one of transmitting and receiving a first RF signal within the first frequency band and facilitates at least one of transmitting and receiving a second RF signal within the second frequency band.

Abstract: A method includes determining whether information is to be transmitted via a radio frequency (RF) bus that supports direct intra-device communication between at least three circuits in a millimeter wave frequency band. When the information is to be transmitted via the RF bus, the method determines whether the RF bus is available. When the RF bus is available, the information is converted into RF bus signal, access to the RF bus is secured, and after access to the RF bus is secured, the RF bus signal is transmitted via the RF bus.

Abstract: A system and method providing concurrent multimode communication through multimode signal multiplexing. Various aspects of the present invention may comprise, during a first time period, transmitting a first portion of a first communication in a first communication mode in a serial wireless transmission stream. During a second time period after the first time period, a first portion of a second communication may be transmitted in a second communication mode in the serial wireless transmission stream. Also, during a third time period after the second time period, a second portion of the first communication may be transmitted in the first communication mode in the serial wireless transmission stream. In an exemplary scenario, prior to communicating various communications, transmission time may be allocated between the first and second communication modes. In another exemplary scenario, transmission may be switched between a plurality of communication modes in response to detected communication conditions.

Abstract: A mobile station is coupled to a docking station that has a landline connection to a packet-switched network. In response, the mobile station's mobile directory number (MDN) is registered, via the packet-switched network, as being accessible via the docking station. As a result, when a call is placed to the MDN, the call is routed to the docking station via the packet-switched network. Communication devices coupled to the docking station may then be used to answer the call and/or participate in the call.

Abstract: The present invention provides a multimode communication terminal which contains at least a first separate channel module and a second separate channel module. The multimode communication terminal can be configured to communicate by using the first channel module and/or the second channel module. The channel modules communicate according to different communication protocols. The multimode communication terminal further comprises: channel switch layer means for switching the first channel module to have parameter characteristics consistent with those of the second channel module, so that the multimode communication terminal enables the MIMO operation mode by using the first channel module and the second channel module at the same time. The present invention further provides a method for enabling a MIMO operation mode in a multimode communication terminal.