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    • 7. 发明授权
    • Radio base station apparatus and control information detection method
    • 无线基站装置及控制信息检测方法
    • US09232507B2
    • 2016-01-05
    • US13988815
    • 2011-10-03
    • Kazuaki TakedaNaoto OokuboTetsushi AbeYoshihisa Kishiyama
    • Kazuaki TakedaNaoto OokuboTetsushi AbeYoshihisa Kishiyama
    • H04W4/00H04W72/04H04L1/16H04W76/04H04W88/08H04W72/00
    • H04W72/0406H04L1/1692H04W72/00H04W76/28H04W88/08
    • To efficiently detect feedback control information on downlink shared data channel signals transmitted with a plurality of base frequency blocks also in the case of performing radio communications with a system band comprised of a plurality of base frequency blocks, it is a feature to have detecting sections (208, 210) configured to detect a correlation value between an ACK/NACK signal received in uplink and each of ACK/NACK candidate replicas associated with ACK and NACK in response to a downlink shared data channel signal of a particular base frequency block assigned to the mobile terminal apparatus among a plurality of base frequency blocks or of each of a plurality of base frequency blocks, and an A/N·DTX determining section (211) configured to determine feedback control information on the downlink shared data channel signal of the particular base frequency block or of each of the plurality of base frequency blocks, based on the detected correlation value and a DTX determination threshold value.
    • 为了在与由多个基本频率块组成的系统频带进行无线电通信的情况下,还能够有效地检测与多个基本频率块一起发送的下行链路共享数据信道信号的反馈控制信息,所以具有检测部分 208,210),被配置为响应于分配给所述ACK / NACK候选副本的特定基本频率块的下行链路共享数据信道信号来检测在上行链路中接收的ACK / NACK信号与与ACK和NACK相关联的每个ACK / NACK候选副本之间的相关值 多个基本频率块或多个基本频率块中的每一个的移动终端装置和被配置为确定特定基站的下行链路共享数据信道信号的反馈控制信息的A / N·DTX判定部(211) 频率块或多个基本频率块中的每一个基于检测到的相关值和DTX确定t 阈值。
    • 8. 发明申请
    • MOBILE TERMINAL APPARATUS AND COMMUNICATION CONTROL METHOD
    • 移动终端设备和通信控制方法
    • US20130279440A1
    • 2013-10-24
    • US13883096
    • 2011-10-03
    • Naoto OokuboHiroyuki IshiiTetsushi AbeYoshihisa KishiyamaKazuaki Takeda
    • Naoto OokuboHiroyuki IshiiTetsushi AbeYoshihisa KishiyamaKazuaki Takeda
    • H04W72/04
    • H04W72/042H04L1/1854H04L1/1861H04L1/1864H04W72/0453
    • To prevent a situation that communication operation becomes unstable resulting from erroneous detection of a PDCCH in a mobile communication system having a system band comprised of a plurality of base frequency blocks, in a mobile terminal apparatus (10) provided with a downlink control signal decoding section (104) configured to determine radio resources designated by ARI (ACK/NACK Resource Indicator) fields of PDSCHs assigned to a plurality of base frequency blocks (CCs), and a retransmission response signal transmission control section (105) configured to control transmission of retransmission response signals in response to PDSCHs assigned to a plurality of base frequency blocks (CCs) based on the radio resources designated by the ARI fields, the retransmission response signal transmission control section (105) limits transmission of retransmission response signals in response to PDSCHs assigned to all the base frequency blocks (CCs) when the radio resources designated by a plurality of the ARI fields include a different radio resource.
    • 为了防止由具有由多个基本频率块组成的系统频带的移动通信系统中的PDCCH的错误检测导致通信动作变得不稳定的情况,在具备下行链路控制信号解码部的移动终端装置 (104),被配置为确定由分配给多个基本频率块(CC)的PDSCH的ARI(ACK / NACK资源指示符)字段指定的无线资源;以及重发响应信号发送控制部(105),被配置为控制重传的发送 响应于基于由ARI字段指定的无线资源分配给多个基本频率块(CC)的PDSCH的响应信号,重传响应信号发送控制部分(105)响应于分配给 当由多个指定的无线电资源时,所有基本频率块(CC) ARI字段的含义包括不同的无线电资源。
    • 9. 发明申请
    • RADIO BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS AND TRANSMISSION POWER CONTROL METHOD
    • 无线基站设备,移动终端设备和传输功率控制方法
    • US20130288738A1
    • 2013-10-31
    • US13884237
    • 2011-10-03
    • Kazuaki TakedaNaoto OokuboHiroyuki IshiiNobuhiko Miki
    • Kazuaki TakedaNaoto OokuboHiroyuki IshiiNobuhiko Miki
    • H04W52/04
    • H04W52/04H04L1/1825H04L1/1854H04L1/1867H04W52/143H04W52/48
    • In order to make transmission power control of a PDCCH signal in an appropriate manner in a communication system having a system band formed with a plurality of fundamental frequency blocks, the present invention provides a radio base station apparatus having: a transmitting section configured to transmit downlink control channel signals for respective fundamental frequency blocks to a mobile terminal apparatus; and a receiving section configured to receive retransmission response signals that are transmitted in a predetermined fundamental frequency block from the mobile terminal apparatus. In the transmitting section, a transmission power control section (211) is provided to control transmission power of the downlink control channel signals based on the number of transmissions N of a downlink control channel signal transmitted from the transmitting section during a predetermined time period and information about the number of transmissions of a predetermined retransmission response signal transmitted from the mobile terminal apparatus in response to each of downlink shared channel signals associated with the downlink control channel signals transmitted during the predetermined time period.
    • 为了在具有形成有多个基本频率块的系统频带的通信系统中以适当的方式进行PDCCH信号的发送功率控制,本发明提供一种无线基站装置,具有:发送部,被配置为发送下行链路 将各个基本频率块的信道信号控制到移动终端设备; 以及接收部,被配置为从所述移动终端装置接收在预定基本频率块中发送的重发响应信号。 在发送部分中,提供发送功率控制部(211),用于根据在预定时间段内从发送部发送的下行链路控制信道信号的发送次数N来控制下行控制信道信号的发送功率,信息 响应于与在预定时间段期间发送的下行链路控制信道信号相关联的每个下行链路共享信道信号,从移动终端装置发送的预定重传响应信号的传输次数。
    • 10. 发明授权
    • Communication control method, mobile communication system and mobile terminal apparatus
    • 通信控制方法,移动通信系统和移动终端设备
    • US08995349B2
    • 2015-03-31
    • US13978309
    • 2012-01-05
    • Tetsushi AbeKazuaki TakedaNaoto OokuboHiroyuki IshiiYuta Sagae
    • Tetsushi AbeKazuaki TakedaNaoto OokuboHiroyuki IshiiYuta Sagae
    • H04K1/10H04L1/00H04L1/18
    • H04L1/0002H04L1/0067H04L1/1819H04L1/1822H04L1/1845
    • The present invention is designated to reduce the deterioration of transmission characteristics upon data transmission, even when soft buffer memory for retransmission control is not sufficiently secured in a mobile terminal apparatus. The present invention provides the steps of, in a base station apparatus (eNB), performing channel coding of information bits (ST 802), performing a rate matching process for the coded bits after interleaving (ST 804), and transmitting transmission data to match the coded bit length after rate matching, to a mobile terminal apparatus (UE) (ST 806), and, in the mobile terminal apparatus (UE), receiving the transmission data (ST 807), performing channel decoding of the received data (ST 810), and discarding part of the received data in accordance with the size of the soft buffer memory in the mobile terminal apparatus (UE) and storing this in the soft buffer memory (ST 812 and ST 813).
    • 即使在移动终端装置中没有充分确保用于重发控制的软缓冲存储器的情况下,本发明被指定为减少数据传输时的传输特性的劣化。 本发明提供了在基站装置(eNB)中进行信息比特的信道编码(ST802)的步骤,对交织后的编码比特进行速率匹配处理(ST804),发送发送数据进行匹配 在速率匹配之后的编码比特长度,移动终端装置(ST806),在移动终端装置(UE)中接收发送数据(ST807),对接收到的数据进行信道解码(ST 810),并且根据移动终端设备(UE)中的软缓冲存储器的大小丢弃接收到的数据的一部分并将其存储在软缓冲存储器中(ST 812和ST813)。