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    • 3. 发明授权
    • Base station device and mobile communication method
    • 基站设备和移动通信方式
    • US09288811B2
    • 2016-03-15
    • US13500511
    • 2010-10-06
    • Hiromasa UmedaTakashi OkadaHiroyuki Ishii
    • Hiromasa UmedaTakashi OkadaHiroyuki Ishii
    • H04L12/28H04W72/08H04W88/08H04W72/04
    • H04W72/082H04L5/001H04W72/0446H04W72/0453H04W88/08
    • To reduce deterioration of a downlink signal when a multicarrier transmission is performed. A base station device eNB according to the present invention communication system includes: an uplink signal reception unit 17 configured to receive an uplink signal in a first carrier and an uplink signal in a second carrier, the uplink signal being transmitted from a user equipment UE; and a downlink signal transmission unit 15 configured to transmit a downlink signal in the first carrier and a downlink signal in the second carrier to the user equipment UE, wherein the downlink signal transmission unit 15 is configured to decide whether to transmit the downlink signal in the first carrier based on whether the uplink signal reception unit 17 receives the uplink signal in the second carrier.
    • 为了减少执行多载波传输时的下行链路信号的恶化。 根据本发明的通信系统的基站设备eNB包括:上行链路信号接收单元17,被配置为在第一载波中接收上行链路信号,并在第二载波中接收上行链路信号,所述上行链路信号从用户设备UE发送; 以及下行链路信号发送单元15,被配置为向所述用户设备UE发送所述第一载波中的下行链路信号和所述第二载波中的下行链路信号,其中,所述下行链路信号发送单元15被配置为决定是否发送所述下行链路信号 第一载波基于上行链路信号接收单元17是否在第二载波中接收到上行链路信号。
    • 4. 发明授权
    • Method and apparatus at the physical and link layer for mobile communications
    • 用于移动通信的物理和链路层的方法和装置
    • US09226206B2
    • 2015-12-29
    • US14344570
    • 2012-09-12
    • Hiroyuki Ishii
    • Hiroyuki Ishii
    • H04B7/185H04W36/04H04W8/08H04W76/04H04W16/14H04W76/02H04W76/06H04W84/04
    • H04W36/04H04W8/082H04W16/14H04W28/0215H04W36/22H04W36/38H04W76/10H04W76/14H04W76/18H04W76/20H04W76/30H04W84/045
    • In a cellular telecommunications network, a mobile communication system to offload data traffic from base stations to small-node devices, includes a radio base station, a plurality of small-node devices, a macro-base-station-to-the-small-node-device (BS2D) communication section configured to receive a first control-plane message from the radio base station over a BS2D communication link, a small-node-device-to-user-equipment (D2UE) communication section configured to transmit user-plane data to a user equipment over a wireless D2UE communication link established responsive to the first control-plane message, and a center small-node device. The center small-node device includes a buffer section, a backhaul communication section configured to receive the user-plane traffic data from a server over a backhaul link, and is configured to manage D2UE connections between the plurality of small-node devices and the mobile station, buffer data to be transmitted in downlink and uplink for the plurality of small-node devices, and conduct a link adaptation for the D2UE connections.
    • 在蜂窝电信网络中,将数据业务从基站卸载到小节点设备的移动通信系统包括无线基站,多个小节点设备,宏基站到小区, 节点设备(BS2D)通信部分,被配置为通过BS2D通信链路从所述无线电基站接收第一控制平面消息;小节点设备到用户设备(D2UE)通信部分, 通过响应于第一控制平面消息建立的无线D2UE通信链路向用户设备提供平面数据,以及中心小节点设备。 中心小节点设备包括缓冲区段,被配置为通过回程链路从服务器接收用户平面业务数据的回程通信部分,并且被配置为管理多个小节点设备与移动站之间的D2UE连接 在多个小节点设备的下行链路和上行链路中发送缓冲数据,并对D2UE连接进行链路自适应。
    • 9. 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)。