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    Communication terminal
    32.
    发明专利
    Communication terminal 未知

    公开(公告)号：AU2010263963B9

    公开(公告)日：2014-08-28

    申请号：AU2010263963

    申请日：2010-05-25

    Applicant: SUN PATENT TRUST

    Inventor： AOYAMA TAKAHISA ,  HIRANO JUN ,  TAMURA TAKASHI

    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.

    RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD AND CHANNEL SIGNAL RECEIVING METHOD
    36.
    发明公开
    RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD AND CHANNEL SIGNAL RECEIVING METHOD 审中-公开
    无线终端，无线基站信道信号形成方法和信道接收方法

    公开(公告)号：EP2355605A4

    公开(公告)日：2016-08-10

    申请号：EP09830168

    申请日：2009-11-30

    Applicant: PANASONIC IP CORP AMERICA

    Inventor： NAKAO SEIGO ,  IMAMURA DAICHI ,  AOYAMA TAKAHISA

    IPC: H04W72/04

    CPC classification number: H04L5/0053 ,  H04H20/08 ,  H04J11/00 ,  H04J11/0076 ,  H04L1/0038 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0094 ,  H04W72/0413 ,  H04W72/042

    Abstract: A radio terminal, radio base station, channel signal forming method and channel signal receiving method wherein when an upstream unit band and a plurality of downstream unit bands associated therewith are used to perform communications, the quality of downstream assignment control information can be prevented from being degraded. In a base station (100), the PDCCH signals including upstream assignment control information are limited to ones that are placed in some of the downstream unit bands. This can reduce the probability of performance of zero padding to downstream assignment control information having greater importance. Also in the base station (100), the PDCCH signals of the downstream unit bands other than the basic unit band include only downstream resource assignment information. For this reason, in the individual regions of the downstream unit bands other than the basic unit band, the bandwidth of the downstream unit bands is always used as a reference of size adjustment and hence requires no information size adjustment. As a result, there is no need of performing zero padding to the downstream assignment control information, so that the quality of downstream assignment control information can be prevented from being degraded.

    COMMUNICATION TERMINAL
    37.
    发明公开
    COMMUNICATION TERMINAL 审中-公开

    公开(公告)号：EP2448322A4

    公开(公告)日：2016-05-11

    申请号：EP10791788

    申请日：2010-05-25

    Applicant: PANASONIC IP CORP AMERICA

    Inventor： AOYAMA TAKAHISA ,  HIRANO JUN ,  TAMURA TAKASHI

    IPC: H04W36/00 ,  H04L5/00 ,  H04W36/30

    CPC classification number: H04L5/001 ,  H04L5/0053 ,  H04L5/0091 ,  H04L47/29 ,  H04W24/10 ,  H04W28/0236 ,  H04W36/0083

    Abstract: A communication terminal is capable of simultaneously communicating through a plurality of carriers by carrier aggregation, and the communication terminal comprises: a quality measurement unit for measuring the reception quality of a radio wave transmitted through a plurality of carriers from a base station of a connected cell to obtain a measured value; a primary carrier storage unit storing information specifying a primary carrier chosen from the plurality of carriers; a comparator for comparing a measured value of the primary carrier measured by the quality measurement unit to a threshold value; and a cell search unit for searching for another cell when the measured value of the primary carrier is less than or equal to the threshold value. Consequently, a search threshold value for carrier aggregation can be appropriately determined to perform a cell search and a quality measurement.

    WIRELESS COMMUNICATION TERMINAL, WIRELESS COMMUNICATION BASE STATION, WIRELESS COMMUNICATION SYSTEM, AND REPORTING METHOD
    38.
    发明公开
    WIRELESS COMMUNICATION TERMINAL, WIRELESS COMMUNICATION BASE STATION, WIRELESS COMMUNICATION SYSTEM, AND REPORTING METHOD 审中-公开

    公开(公告)号：EP2677798A4

    公开(公告)日：2017-11-29

    申请号：EP12746542

    申请日：2012-01-26

    Applicant: SUN PATENT TRUST

    Inventor： TAMURA TAKASHI ,  AOYAMA TAKAHISA ,  MATSUO HIDENORI

    IPC: H04W24/10

    CPC classification number: H04W24/10 ,  H04L43/0823 ,  H04W76/028 ,  Y02B70/30 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146

    Abstract: In a wireless communication terminal in a wireless communication system for performing a control not to transmit signals, or to transmit signals with a reduction in a transmission power by a part of radio resources for a downlink signal in a cell provided by a base station, the terminal receives control information in generating a report related to a measurement result of the cell provided by the base station, monitors a state of a radio link with an own cell, performs measurement on reception of the downlink signal, generates a radio link failure report including a measurement result when a radio link failure occurs, and transmits the radio link failure report. If an instruction for restricting the measurement to a part of the radio resources is included in the control information from the base station after the radio link failure occurs, the wireless communication terminal generates a radio link failure report including the measurement result in the radio resources as instructed when the radio link failure occurs. Accordingly, an external device can precisely grasp a state in which the radio link failure occurs in the wireless communication terminal even in an environment in which the ABS is used.

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