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    • 1. 发明授权
    • Method and apparatus for measurement reporting in carrier aggregation wireless communication systems
    • 载波汇聚无线通信系统中测量报告的方法和装置
    • US08660559B2
    • 2014-02-25
    • US13256613
    • 2010-02-18
    • Takashi TamuraTakahisa AoyamaJun Hirano
    • Takashi TamuraTakahisa AoyamaJun Hirano
    • H04W36/00
    • H04W36/0055H04B17/318H04L5/001H04W24/00H04W24/10H04W36/0038H04W36/0088H04W36/0094H04W36/08H04W36/30
    • When detecting occurrence of an event for transmitting a measurement report of a radio condition of a cell at a frequency set for a base station apparatus, to the base station apparatus (3) communicating with a terminal apparatus (2), the terminal apparatus (2) in a wireless communication system (1) creates a measurement report including information indicating radio conditions of cells at a frequency at which the event occurred and at another different frequency. The base station apparatus (3) controls whether or not to perform handover of the terminal apparatus (2) to another cell, on the basis of the measurement report transmitted from the terminal apparatus (2). Thereby, there is provided a wireless communication system in which a base station apparatus and the terminal apparatus are communicable with each other using multiple frequencies, the wireless communication system being capable of shortening time required for handover.
    • 当检测到发送用于以基站装置设定的频率发送小区的无线条件的测量报告的事件发送到与终端装置(2)进行通信的基站装置(3)时,终端装置 )在无线通信系统(1)中创建测量报告,该测量报告包括指示事件发生的频率处的小区的无线电条件的信息和另一个不同的频率。 基站装置(3)基于从终端装置(2)发送的测量报告,控制是否对终端装置(2)进行切换。 因此,提供了一种无线通信系统,其中基站装置和终端装置可以使用多个频率彼此通信,该无线通信系统能够缩短切换所需的时间。
    • 3. 发明授权
    • Communication terminal
    • 通讯终端
    • US09596631B2
    • 2017-03-14
    • US13379471
    • 2010-05-25
    • Takahisa AoyamaJun HiranoTakashi Tamura
    • Takahisa AoyamaJun HiranoTakashi Tamura
    • H04W24/00H04W36/00H04L5/00H04W24/10
    • H04L5/001H04L5/0053H04L5/0091H04L47/29H04W24/10H04W28/0236H04W36/0083
    • 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.
    • 通信终端能够通过载波聚合同时通过多个载波通信,并且通信终端包括:质量测量单元,用于测量从连接的小区的基站通过多个载波发送的无线电波的接收质量 以获得测量值; 存储指定从所述多个载波中选择的主载波的信息的主载波存储单元; 比较器,用于将由质量测量单元测量的主载波的测量值与阈值进行比较; 以及小区搜索单元,用于当主载波的测量值小于或等于阈值时搜索另一小区。 因此,可以适当地确定用于载波聚合的搜索阈值以执行小区搜索和质量测量。
    • 4. 发明申请
    • WIRELESS COMMUNICATION BASE STATION, WIRELESS COMMUNICATION EQUIPMENT, AND WIRELESS COMMUNICATION SYSTEM
    • 无线通信基站,无线通信设备和无线通信系统
    • US20110171929A1
    • 2011-07-14
    • US13120258
    • 2009-09-18
    • Takashi TamuraTakahisa AoyamaJun HiranoChie Ishida
    • Takashi TamuraTakahisa AoyamaJun HiranoChie Ishida
    • H04W4/22
    • H04W48/12H04W4/90H04W76/50
    • A wireless communication base station (10) comprises a system information generating unit (20) that generates system information including a several system information messages, a paging message generating unit (22) that generates a paging message including a modification flag that indicates whether or not the system information has been modified; and a transmitter (18) that transmits the system information and the paging message. The system information generating unit (20) generates system information including a system information message in which an emergency message is described, and the paging message generating unit (22) generates a paging message that further includes information indicating that the emergency message is present in the system information and an identifier that identifies a system information message in which the emergency message is described. Consequently, a wireless communication base station can be provided which is capable of urgently notifying system information to be broadcast at a schedule according to the urgency of the system information while suppressing modifications to the system information as much as possible.
    • 无线通信基站(10)包括生成包括多个系统信息消息的系统信息的系统信息生成单元(20),生成包含指示是否进行修改的标志的寻呼消息的寻呼消息生成单元(22) 系统信息已经修改; 以及发送系统信息和寻呼消息的发送器(18)。 系统信息生成部(20)生成包含描述了紧急消息的系统信息消息的系统信息,并且寻呼消息生成部(22)生成寻呼消息,该寻呼消息还包括表示紧急消息中存在的信息 系统信息和识别描述了紧急消息的系统信息消息的标识符。 因此,可以提供一种无线通信基站,其能够根据系统信息的紧迫性紧急地通知按照时间表广播的系统信息,同时尽可能地抑制对系统信息的修改。
    • 5. 发明申请
    • COMMUNICATION TERMINAL
    • 通讯终端
    • US20120099466A1
    • 2012-04-26
    • US13379471
    • 2010-05-25
    • Takahisa AoyamaJun HiranoTakashi Tamura
    • Takahisa AoyamaJun HiranoTakashi Tamura
    • H04W24/00
    • H04L5/001H04L5/0053H04L5/0091H04L47/29H04W24/10H04W28/0236H04W36/0083
    • 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.
    • 通信终端能够通过载波聚合同时通过多个载波通信,并且通信终端包括:质量测量单元,用于测量从连接的小区的基站通过多个载波发送的无线电波的接收质量 以获得测量值; 存储指定从所述多个载波中选择的主载波的信息的主载波存储单元; 比较器,用于将由质量测量单元测量的主载波的测量值与阈值进行比较; 以及小区搜索单元,用于当主载波的测量值小于或等于阈值时搜索另一小区。 因此,可以适当地确定用于载波聚合的搜索阈值以执行小区搜索和质量测量。
    • 6. 发明申请
    • BASE STATION AND WIRELESS COMMUNICATION SYSTEM
    • 基站和无线通信系统
    • US20120051329A1
    • 2012-03-01
    • US13254243
    • 2010-02-22
    • Jun HiranoTakashi TamuraTakahisa Aoyama
    • Jun HiranoTakashi TamuraTakahisa Aoyama
    • H04W36/30
    • H04W36/0088H04L1/0026H04L1/0027H04L1/1812H04L1/188H04L1/20
    • A base station 10 comprises a measurement report receiving unit 12 which receives a measurement report transmitted from a mobile terminal which is performing communication by using a plurality of bands through Band Aggregation; a handover determining unit 13 which determines whether or not handover is required, based on the measurement report; and a gap period setting unit 14 which, if it is determined that the handover is required, configures a gap period in which the communication is temporarily switched to a band different from a band in communication, in order to search for a band which is a destination of the handover. The gap period setting unit 14 also configures the gap period in the band in communication other than a band for which the measurement report is provided. Thereby, it is possible to provide the base station and the terminal in which effective configuration of the gap period is performed when the plurality of bands are used.
    • 基站10包括测量报告接收单元12,其接收从通过频带聚合使用多个频带进行通信的移动终端发送的测量报告; 切换确定单元13,其基于测量报告确定是否需要切换; 以及间隙周期设定单元14,如果确定需要切换,则将通信临时切换到与通信中的频带不同的频带的间隙周期配置为了搜索作为通信的频带 交接的目的地。 间隙周期设定单元14还配置除了提供测量报告的频带之外的通信中的频带中的间隙周期。 因此,可以提供在使用多个频带时执行间隙时段的有效配置的基站和终端。
    • 8. 发明申请
    • WIRELESS TRANSCEIVER, WIRELESS BASE STATION, WIRELESS TERMINAL, AND WIRELESS COMMUNICATION SYSTEM
    • 无线收发器,无线基站,无线终端和无线通信系统
    • US20110317654A1
    • 2011-12-29
    • US13255369
    • 2010-03-03
    • Chie IshidaTakahisa AoyamaTakashi TamuraJun HiranoDaiji Ido
    • Chie IshidaTakahisa AoyamaTakashi TamuraJun HiranoDaiji Ido
    • H04W72/04
    • H04W72/06H04W74/006H04W76/27
    • A wireless communication system comprises: a wireless base station that uses dedicated frequencies to communicate with only connected LTE-A terminals and uses shared frequencies to communicate with LTE terminals and LTE-A terminals; and an LTE-A terminal. The wireless base station comprises: a priority information creating section for setting a priority of each of the shared frequencies for idle LTE-A terminals, setting a priority of each of the plurality of frequencies for connected LTE-A terminals, and creating priority information indicative of the set priority; a system information creating section for creating system information that includes the priority information; and a transmission section for transmitting the system information. The LTE-A terminal receives system information transmitted from the wireless base station, and selects a frequency on which the LTE-A terminal camps and a frequency at which the LTE-A terminal transmits an RACH preamble based on the priority information included in the system information. In this way, the LTE-A terminal can be connected to an appropriate carrier.
    • 无线通信系统包括:无线基站,其使用专用频率与仅连接的LTE-A终端进行通信,并使用共享频率与LTE终端和LTE-A终端进行通信; 和LTE-A终端。 无线基站包括:优先级信息创建部,用于设置空闲LTE-A终端的每个共享频率的优先级,为连接的LTE-A终端设定多个频率的每一个的优先级,以及创建指示性的优先级信息 的优先权; 系统信息创建部分,用于创建包括优先级信息的系统信息; 以及发送部,用于发送系统信息。 LTE-A终端接收从无线基站发送的系统信息,根据包含在系统中的优先级信息,选择LTE-A终端驻留的频率和LTE-A终端发送RACH前导码的频率 信息。 以这种方式,LTE-A终端可以连接到适当的载波。
    • 9. 发明申请
    • TERMINAL DEVICE, HOME BASE STATION, AND HOME BASE STATION SWITCHING DEVICE
    • 终端设备,家庭基站和家庭基站切换设备
    • US20110300867A1
    • 2011-12-08
    • US13201515
    • 2010-02-16
    • Hidenori MatsuoTakahisa AoyamaJun HiranoTakashi TamuraChie Ishida
    • Hidenori MatsuoTakahisa AoyamaJun HiranoTakashi TamuraChie Ishida
    • H04W36/00
    • H04W36/00835H04W36/0058H04W36/0061H04W36/0085H04W84/045
    • A wireless communication system comprises an MME (70) which generates a white list in which CSG cells being accessible by a UE (10) are enumerated, an HeNB gateway (50) which decides based on the white list whether or not access is possible, and a home base station (30) (80) of the CSG cell. The UE (10) comprises a manual selection executing unit which accepts manual selection of a CSG cell, and requests the Mobility Management Entity to add the CSG cell to the white list; and a measurement report message generating unit which generates the Measurement report message attached with information indicating that the white list is being updated, if the CSG cell which has been accepted by manual selection is comprised in CSG cells to be included in the Measurement report message, and the selected CSG cell is not included in the white list stored in a white list storing unit. Thereby, there is provided a wireless communication system which can perform handover in which a manual selection process is appropriately reflected.
    • 一种无线通信系统,包括生成白名单的MME(70),其中可列举由UE(10)可接入的CSG小区,基于白名单决定是否可进行的HeNB网关(50) 以及CSG小区的家庭基站(30)(80)。 UE(10)包括手动选择执行单元,其接受CSG小区的手动选择,并请求移动性管理实体将CSG小区添加到白名单; 以及测量报告消息产生单元,如果已经通过手动选择接受的CSG小区被包括在要包括在测量报告消息中的CSG小区中,则生成附加有指示白名单正被更新的信息的测量报告消息, 并且所选择的CSG小区不包括在白名单存储单元中存储的白名单中。 由此,提供了能够进行适当反映手动选择处理的切换的无线通信系统。