Abstract: An object of the present invention is to specify how a transmission diversity station that implements an EUL should apply a transmission antenna diversity to an E-HICH, an E-RGCH and an E-AGCH. The present invention relates to a mobile communication method for transmitting a signal from a base station to a mobile station via a downlink. In the method, a closed loop transmission antenna diversity is applied to a dedicated channel of the downlink, and an open loop transmission antenna diversity is applied to a control channel of the downlink in conformity with an uplink high efficient transmission method.

Abstract: A communication apparatus includes a short-range communication unit and a long-range communication unit that communicates via electromagnetic waves in a range wider than a communication area of the short-range communication unit. The communication apparatus further includes a session key generating unit that generates a random number and uses the random number to generate a session key. In addition, the communication apparatus includes an encrypting unit that encrypts the session key. The communication apparatus uses an encryption key transmitted from an external communication apparatus to encrypt the session key into an encrypted session key, transmits the encrypted session key to the external communication apparatus, and receives from the external communication apparatus a communication switching request signal to request a switching from a short-range communication by the short-range communication unit to a long-range communication, with the session key, the long-range communication unit.

Abstract: An impulse waveform generating apparatus comprises an oscillator for generating a reference signal having a center frequency in a frequency band of an impulse to generate, a timing matching circuit for shifting a phase of the reference signal by 90 degrees, a frequency demultiplier for dividing a frequency of the phase shift signal and obtaining a timing signal having a frequency component having a frequency width of an impulse to generate, a memory storing a waveform shape table, a waveform forming section for forming a waveform in synchronism with the timing signal, according to information of a shape table having a predetermined waveform, a low-pass filter for obtaining an envelope signal from an output signal of the waveform forming section, and a waveform generating section for changing an amplitude of the reference signal according to a value of the envelope signal.

Abstract: A placard for displaying a customer specific message includes a receiver, a capacitor, and an electronic updateable static display. The receiver has a memory storing an identification code and an antenna for receiving a signal. The capacitor is coupled to the receiver and capable of being charged by the signal. The electronic updateable static display is coupled to the receiver, is powered by the capacitor and is capable of displaying customer specific messages when a portion of the signal matches the identification code of the placard. The coupling means are conventional and the methods for affixing them are well known in to those skilled in the art. A method of using the placard for displaying a customer specific message is also provided.

Abstract: System and method for reducing call setup time of a dispatch communication. In one embodiment, a method includes receiving a message from an originating dispatch device intended for a target dispatch device. The message may be inspected by a base transceiver station for a call request announcement. The method may further include determining if a radio resource is available for the target dispatch device. According to an additional embodiment of the invention, a call request acknowledgement message may be transmitted to the originating dispatch device after a period of time to ensure a guaranteed talk permit. The call request announcement may also be transmitted to the target dispatch device after the period of time.

Abstract: A method of merging two or more beacon groups (BGs), each BG comprising one or more wireless devices, the method comprising, determining a leader BG based on merging information broadcast by two or more devices of different BGs, said devices being within radio range of each other; and merging the two or more BGs into the leader BG; wherein the merging information of each device comprises an extension indication, the extension indication being positive if another device of a same BG as said each device is out of radio range of said each device, and negative otherwise.

Abstract: An apparatus and method for providing dynamic Push To over Cellular, PoC, service options in a wireless communication network. Service options and terminal capabilities for PoC Clients (11, 15) are stored in the network, preferably in a PoC Server (13). A PoC Client (11) uses a SIP PUBLISH message (17) to set the actual status of the answering mode and any barring service, and, if automatic answering mode is set, also stores a list of codecs that the PoC Client (11) supports. When the PcC Client is called, the calling PoC Client (15) informs the Server (13) of supported codecs, and the Server selects a codec supported by both Clients, thus optimizing the connection.

Abstract: A wireless communication unit comprises a transmitter having an analogue feedback power control loop with an input and a power amplifier having a power amplifier output, where the analogue feedback power control loop is arranged to feedback a signal to the input to set an output power level of the transmitter. The wireless communication unit further comprises an outer digital loop operably coupled from the power amplifier output to the transmitter. In this manner, the inner analogue loop is used to linearise a response obtained from the power amplifier and an outer digital loop wherein the outer digital loop controls the inner analogue loop with regard to saturation detection and correction as well as facilitating multi-mode operation of the wireless communication unit.

Abstract: Methods and apparatus for assigning floor control based upon when a floor control request was initiated are disclosed. In one embodiment, a method includes receiving a first request for floor control from a first endpoint and granting the floor control to the first endpoint. The method also includes receiving a second request for floor control from a second endpoint, that has approximately the same priority level as the first endpoint, and determining if the first request was initiated from the first endpoint at approximately the same time or earlier than the second request was initiated from the second endpoint. If it is determined that the first request was not initiated from the first endpoint at approximately the same time or earlier than the second request was initiated from the second endpoint, then floor control is preempted from the first endpoint and granted to the second endpoint.

Abstract: An information-communication terminal device maintaining a low cost of a charger in the case of backup for the device at a charging time, having a high performance security at the backup and allowing users to easily handle the security control after the backup. A charger (107) in the information communication terminal device is charged electric power from a charger (3). An access-release demanding section (105) receives ID data from the charger (3) during the charging time, and demands to release access control to an IC-card-function installed memory card (2). After the IC card-function installed memory card (2) releases the access control, a control section (101) carries out the backup or restore to the IC card-function installed memory card (2).

Abstract: A method of transferring data from a hand held electronic device to a target electronic device includes establishing a wireless interface between the hand held electronic device and the target electronic device. A transfer motion that includes rotation of the hand held electronic device is detected. Upon detection of the transfer motion, the data is transmitted from the hand held electronic device to the target electronic device over the wireless interface. The wireless interface may be initiated and configured using a localized communication link.

Abstract: The objective of the present invention is to suppress an increase in the power consumption for the relaying of signals. A relay station unit 150 is a relay station unit that has as a function the relaying of a signal, and includes: a wireless receiving unit 15; a relay determination unit 23, for determining that a signal received by the wireless receiving unit 15 does not satisfy a predetermined quality, and for permitting reception of a signal from a different relay station unit; a synthesizing unit 18, for generating a transmission signal based on a signal received from a base station unit and a signal received from the different relay station unit; and a wireless transmitting unit 13, for transmitting the signal that is generated.

Abstract: A system for wireless communications includes a tower structure supporting at least one transmit antenna at an elevated position on the tower structure and base electronics positioned proximate a base of the tower structure. The base electronics are coupled with the transmit antenna and include an initial stage amplifier for amplifying an input signal to provide a low power transmission signal that is provided to the transmit antenna at the elevated position. A final stage amplifier is positioned proximate the transmit antenna. The final stage amplifier is a high efficiency amplifier for efficiently amplifying the low power transmission signal from the base electronics to provide a high power transmission signal to be transmitted from the transmit antenna.

Abstract: Methods and systems for packet-by-packet directional mobile wireless transmission utilizing plurality of directional antenna sectors, such that, the transmission of each packet is performed by at least one selected antenna sector. The direction of transmission is selected responsive to the direction in which the best electromagnetic signal reception was received. For each plurality of data packets, the transmission direction is selected again. Switching logic is coupling the out going transmission signal to selected ones from the plurality of the antennas responsive to the motion of the mobile user. The antenna design in this invention is aimed at increasing the gain and minimizing the interfering signals with respect large number of mobile users who are concurrently and continuously tracking and communicating with their access points, and consequently, increasing the bit rate of each transmission and the aggregate capacity of the wireless system.

Abstract: A radio system comprises a power source and a power amplifier circuit coupled to the power source on a power line. The radio system also comprises an active cancellation circuit. The active cancellation circuit comprises a bi-directional DC-DC converter. The active cancellation circuit is configured to cancel low-frequency emissions from the power amplifier circuit on the power line.

Abstract: A method and system for interference reduction for telecommunication systems are disclosed. The system comprises a base station control device (BCD) for configuring one or more parameters for operating one or more base stations (BSs), a first BS covering a first cell having one or more mobile terminals therein, a second BS covering a second cell neighboring to the first cell and sharing a predetermined frequency band with the first cell, wherein one or more radio frames constructed for communications between the first BS and any mobile terminal of the first cell and one or more radio frames constructed for communications between the second BS and any mobile terminal of the second cell are distinguishable by defining different channel configuration sets having one or more operation parameters, wherein the parameters includes a training sequence, a spreading code, and a channel observation window position.

Abstract: System and methods are provided for multi-path orthogonal recursive predistortion. The systems and methods may include generating a first orthogonal signal and a second orthogonal signal, where the first and second signals are orthogonal components of an input signal and processing, at a first predistortion module, the first orthogonal signal and a first error correction signal to generate a first predistorted signal.

Abstract: A method and a device for determining, in a signal, a value of the frequency of a carrier and a value of the frequency of symbols carried by the carrier. A band of the signal is analyzed at three points and the relations between the powers at these points enable determining values of the carrier frequency and of the symbol frequency.

Abstract: A mobile station has a plurality of modes for processing incoming push-to-talk (PTT) audio communications. A first PTT mode is a “forced audio” mode, in which the mobile station plays PTT audio communications automatically. A second PTT mode is a “polite” mode, in which the mobile station plays PTT audio communications only after acceptance by the user. A “white list” identifies any parties that are allowed to communicate with the mobile station using the first PTT mode. A PTT audio communication from an initiator that is not identified in the white list is processed using the second PTT mode, even if the first PTT mode is requested. In addition, a PTT audio communication may be processed using the second PTT mode if the mobile station's speaker volume level is below a threshold value.

Abstract: A method and terminal for processing media data for a Session Initiation Protocol (SIP) based session service, in which a terminal checks a talk burst revoke reason code included in a talk burst revoke message received from a server to selectively perform either transmission or discard of remaining buffered media data depending on the checked talk burst revoke reason.