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    • 21. 发明申请
    • Radio communication system and radio communication terminal for the same
    • 无线电通信系统和无线电通信终端相同
    • US20070225040A1
    • 2007-09-27
    • US11509546
    • 2006-08-24
    • Kengo Kurose
    • Kengo Kurose
    • H04B1/38
    • H04L1/0027H04L1/0025H04L5/0048H04W28/18
    • A mobile station compares a third evaluation function value calculated by the same algorithm as an evaluation function calculation algorithm used by a base station and corresponding to a current radio transmission path environment with a second evaluation function value reflecting terminal selection results in a past fixed period notified from the base station. If the third evaluation function value is not less than the second evaluation function value, the mobile station transmits a channel quality indication (CQI) to the base station. In contrast, if the third evaluation function value is smaller than the second evaluation value, the mobile station controls to stop the transmission of the CQI.
    • 移动站将通过与基站使用的评价函数计算算法相同的算法计算出的第三评价函数值与当前的无线传输路径环境相对应地,将具有反映终端选择结果的第二评价函数值反映在过去的固定时间段 从基站。 如果第三评估函数值不小于第二评估函数值,则移动站向基站发送信道质量指示(CQI)。 相反,如果第三评估函数值小于第二评估值,则移动台控制停止CQI的发送。
    • 23. 发明申请
    • ELECTRONIC DEVICE AND RECEPTION CONTROL METHOD
    • 电子设备和接收控制方法
    • US20130229533A1
    • 2013-09-05
    • US13613530
    • 2012-09-13
    • Kengo KUROSEYuki HAYASHI
    • Kengo KUROSEYuki HAYASHI
    • H04N17/00
    • H04N21/44209H04N21/234327H04N21/4383
    • According to one embodiment, an electronic device receives a broadcast signal includes a high-speed transmission channel and a low-speed transmission channel. The electronic device estimates a CN when the electronic device is in an environment corresponding to a stationary state, based on a measured reception power, reception sensitivity required for receiving a broadcast service of the high-speed transmission channel and a necessary CN required for receiving the broadcast service of the high-speed transmission channel, and controls a processing of switching a demodulation target between the high-speed transmission channel and the low-speed transmission channel, based on a difference between the estimated CN and the measured CN.
    • 根据一个实施例,电子设备接收广播信号包括高速传输信道和低速传输信道。 电子设备基于测量的接收功率,接收高速传输信道的广播服务所需的接收灵敏度和接收到所述高速传输信道所需的CN所需的CN,在电子设备处于与静止状态对应的环境中时,估计CN 基于估计的CN和测量的CN之间的差异来控制在高速传输信道和低速传输信道之间切换解调目标的处理。
    • 24. 发明授权
    • Digital communications system
    • 数字通信系统
    • US08457241B2
    • 2013-06-04
    • US11998936
    • 2007-12-03
    • Yutaka AsanumaShigeo TerabeKengo Kurose
    • Yutaka AsanumaShigeo TerabeKengo Kurose
    • H04L1/0003
    • H04L1/0046H04L1/0038H04L1/0054H04L1/0059H04L1/0061H04L5/0007
    • In a base station, after CRC is added to transmission data as a detection code, the transmission data is subjected to error-correcting coding using a convolutional code based on tail biting, divided into four frames of P-BCH and transmitted. For this reason, at a mobile station, even if reception (synthesis) is started from any frame of P-BCH represented as (b-1) to (b-4), a cyclic structure of the transmission signal is maintained due to the tail biting and reception data shifted by unit of frame can be obtained. For this reason, at the mobile station, even if a leading frame is unknown, decoding can be executed by one-time error-correcting decoding. A result of the decoding is subjected to CRC detection in four frame timings, the leading frame is detected and the transmission data is restored.
    • 在基站中,在将CRC作为检测码添加到发送数据之后,使用基于尾部咬合的卷积码将发送数据进行纠错编码,分割成4个P-BCH帧并进行发送。 因此,在移动站中,即使从(b-1)〜(b-4)所示的P-BCH的任意帧开始接收(合成),由于发送信号的循环结构 可以获得以帧为单位移动的尾部咬合和接收数据。 因此,在移动站中,即使领先帧未知,也可以通过一次纠错解码来进行解码。 解码的结果在四帧定时中进行CRC检测,检测前导帧并恢复发送数据。
    • 29. 发明授权
    • Mobile communication hand-off control system and unit
    • 移动通信切换控制系统和单元
    • US07409215B2
    • 2008-08-05
    • US10772344
    • 2004-02-06
    • Kengo KuroseMiyuki OguraNaritoshi Saito
    • Kengo KuroseMiyuki OguraNaritoshi Saito
    • H04Q7/00H04B7/216
    • H04W36/0083H04W36/00H04W36/30Y02D70/00
    • When a first base station serving a mobile communication terminal in a standby mode, a first neighbor list is acquired from the first base station and stored in a memory. If the serving base station is changed in a standby mode from the first base station to a second base station, a second neighbor list is acquired from the second base station. When the second base station is serving the mobile communication terminal in a standby mode, the communication quality between the mobile communication terminal and each second peripheral base station listed in the acquired second neighbor list, and between the terminal and each first peripheral base station listed in the stored first neighbor list. Based on the measurement results, a peripheral base station that satisfies a preset condition is selected as a hand-off destination candidate.
    • 当在待机模式下服务于移动通信终端的第一基站时,从第一基站获取第一邻居列表并将其存储在存储器中。 如果服务基站在待机模式下从第一基站改变到第二基站,则从第二基站获取第二邻居列表。 当第二基站在待机模式下服务于移动通信终端时,移动通信终端与所获取的第二邻居列表中列出的每个第二外围基站之间以及终端与每个第一外围基站之间的通信质量 存储的第一邻居列表。 基于测量结果,选择满足预设条件的外围基站作为越区切换目的地候选。
    • 30. 发明申请
    • Radio communication system and radio communication method
    • 无线电通信系统和无线电通信方法
    • US20080181320A1
    • 2008-07-31
    • US11897226
    • 2007-08-29
    • Yutaka AsanumaShigeo TerabeKengo Kurose
    • Yutaka AsanumaShigeo TerabeKengo Kurose
    • H04L27/28
    • H04L27/2608H04L1/0003H04L1/0006H04L1/0009H04L1/0016H04L1/0026H04L1/0071H04L1/08
    • In step 5a, a mobile-station measures a reception level and an interference level with the other base-stations, for a base-station considered as a communication partner. In step 5b, the mobile-station transmits a measurement result obtained in step 5a as control information to the base-station considered as the communication partner. In step 5c, the base-station determines a transmission format in a transmission format candidate group used for the transmission to the mobile-station, on the basis of the control information, etc. If the base-station discriminates that an area where the mobile-station considered as the transmission destination is located has a great influence since an interference level indicated by the control information received from the mobile-station exceeds a preset threshold value, the base-station determines use of a transmission format in which repetition is executed at more than two times after executing interleaving resistant to the interference, in the transmission format candidate group.
    • 在步骤5a中,对于被认为是通信伙伴的基站,移动台测量与其他基站的接收电平和干扰电平。 在步骤5b中,移动站将在步骤5a中获得的测量结果作为控制信息发送到被认为是通信对方的基站。 在步骤5c中,基站基于控制信息等,确定用于向移动台发送的发送格式候选组中的发送格式。如果基站判别出 被认为是发送目的地的移动台具有很大的影响,因为由移动站接收到的控制信息指示的干扰等级超过预设的阈值,所以基站确定使用重复执行的传输格式 在传输格式候选组中执行抗干扰的交织之后的两次以上。