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    • 42. 发明授权
    • Information transmitting method and information transmitting system
    • 信息传输方式和信息传输系统
    • US07965696B2
    • 2011-06-21
    • US12412006
    • 2009-03-26
    • Daigo TakayanagiShiro MazawaYosuke TakahashiAkihiko Yoshida
    • Daigo TakayanagiShiro MazawaYosuke TakahashiAkihiko Yoshida
    • H04W4/00
    • H04L1/1867H04L12/1868H04L12/189H04L2001/0093H04W4/06H04W8/26H04W48/08
    • A slave station which transmits/receives signals to/from a master station, the slave station includes: a transmitting unit and receiving unit for transmitting/receiving signals regarding the master station; a storing unit; an input unit; wherein under a control by a control unit, the transmitting unit transmits a transmission request for transmitting multicast data to the master station in accordance with a timing of power-on or an input by the input unit; the receiving unit receives information of a number of times of transmission for requested multicast data from the master station and stores the number in the storing unit; and after receiving the multicast data the number of times of transmission stored in the storing unit, the control unit determines presence of absence of lacking data which have not been received and, transmits a retransmission request for requesting the lacking data in a case of presence the lacking data.
    • 一个从主站发送/接收信号的从站,从站包括:发送单元和接收单元,用于发送/接收关于主站的信号; 存储单元; 一个输入单元; 其中在控制单元的控制下,所述发送单元根据所述输入单元的上电定时或所述输入单元向所述主站发送用于发送组播数据的发送请求; 接收单元从主站接收所请求的组播数据的发送次数的信息,并将该数量存储在存储单元中; 并且在接收到多播数据之后,存储在存储单元中的传输次数,控制单元确定不存在尚未被接收的缺少数据的存在,并且在存在的情况下发送请求缺少数据的重传请求 缺乏数据。
    • 45. 发明申请
    • RADIO COMMUNCATION APPARATUS
    • 无线电通信设备
    • US20080181193A1
    • 2008-07-31
    • US12055824
    • 2008-03-26
    • Akihiko YOSHIDAShiro MazawaKiyoshi KawamotoYosuke TakahashiKeiji Usuba
    • Akihiko YOSHIDAShiro MazawaKiyoshi KawamotoYosuke TakahashiKeiji Usuba
    • H04J3/00
    • H04W28/12H04B7/2659H04L12/189H04W4/06
    • A radio communication system including: ANs (Access Networks) for wirelessly communicating with an AT (Access Terminal); and a communication control apparatus for controlling the AN, wherein the communication control apparatus includes: a control unit for sending transmission cycle information and control information to the AN, and wherein the AN includes: a memory for storing information necessary for transmitting the communication information to the AT; a control unit for transmitting the transmission cycle information received from the communication control apparatus to the AT, calculating a transmission slot number necessary for sending the communication information in the transmission cycle, determining a transmission timing indicating a period in the predetermined transmission cycle allocated for the communication information, and transmitting the communication information in the determined transmission timing to the AT.
    • 一种无线电通信系统,包括:用于与AT(接入终端)进行无线通信的AN(接入网络); 以及用于控制AN的通信控制装置,其中,所述通信控制装置包括:控制单元,用于向所述AN发送发送周期信息和控制信息,并且其中所述AN包括:存储器,用于存储将所述通信信息发送到 AT; 控制单元,用于将从通信控制装置接收到的发送周期信息发送给AT,计算在发送周期中发送通信信息所需的发送时隙号,确定指示在为该发送周期分配的预定发送周期中的周期的发送定时 通信信息,并将所确定的发送定时中的通信信息发送给AT。
    • 46. 发明申请
    • RADIO COMMUNICATION APPARATUS
    • 无线电通信设备
    • US20080181164A1
    • 2008-07-31
    • US12055840
    • 2008-03-26
    • Akihiko YoshidaShiro MazawaKiyoshi KawamotoYosuke TakahashiKeiji Usuba
    • Akihiko YoshidaShiro MazawaKiyoshi KawamotoYosuke TakahashiKeiji Usuba
    • H04J15/00H04H20/71
    • H04W28/12H04B7/2659H04L12/189H04W4/06
    • A radio communication system including: ANs (Access Networks) for wirelessly communicating with an AT (Access Terminal); and a communication control apparatus for controlling the AN, wherein the communication control apparatus sends transmission cycle information and control information to the AN, and wherein the AN transmits the transmission cycle information received from the communication control apparatus to the AT, allocates the communication information in the predetermined transmission cycle based on the control information received from the communication control apparatus to transmit the communication information to the AT, wherein, if the AN does not need to transmit any of plural pieces of the communication information to the AT for a subject period any longer, the AN uses the subject period to transmit any of other plural pieces of the communication information which is allocated to a next period.
    • 一种无线电通信系统,包括:用于与AT(接入终端)进行无线通信的AN(接入网络); 以及用于控制AN的通信控制装置,其中通信控制装置向AN发送发送周期信息和控制信息,并且其中AN将从通信控制装置接收的发送周期信息发送给AT,将通信信息分配到 基于从通信控制装置接收的控制信息发送通信信息到AT的预定发送周期,其中,如果AN不需要在主题期间向AT发送多条通信信息中的任何一个,任何 更长时间,AN使用主题周期来传送分配给下一个周期的其他多个通信信息中的任何一个。
    • 47. 发明申请
    • Handoff method for communication system using multiple wireless resources
    • 使用多种无线资源的通信系统切换方法
    • US20080057970A1
    • 2008-03-06
    • US11822228
    • 2007-07-03
    • May TakadaYosuke TakahashiShiro MazawaRintaro Katayama
    • May TakadaYosuke TakahashiShiro MazawaRintaro Katayama
    • H04Q7/20
    • H04W36/18H04W36/28
    • In a wireless communications system operating according to CDMA or the like, when one terminal simultaneously performs communication using multiple wireless resources (e.g., multiple carriers), there was a problem that when it was attempted to guarantee network mobility by the same soft handoff system as in the case where communication was performed using only one wireless resource, efficiency suffered from the viewpoint of network forwarding load, processing load and wireless resource occupancy time. Soft handoff termination is judged and soft handoff is forcibly terminated according to whether or not the data rate obtained for all resources on the network side satisfies a requested rate, based on a reception state notification from a terminal concerning wireless resources. By performing this processing, the soft handoff period is shortened, sufficient received strength in the terminal is maintained and terminal mobility is guaranteed, while at the same time network forwarding load, terminal processing load and wireless resource occupancy time are suppressed to the absolute minimum.
    • 在根据CDMA等操作的无线通信系统中,当一个终端同时使用多个无线资源(例如,多个载波)进行通信时,存在如下问题:当尝试通过相同的软切换系统来保证网络移动性时 在仅使用一个无线资源进行通信的情况下,从网络转发负载,处理负荷和无线资源占用时间的观点来看,效率受到影响。 根据来自有关无线资源的终端的接收状态通知,根据网络侧所有资源获得的数据速率是否满足请求速率,判断软切换终止,并强制终止软越区切换。 通过执行该处理,可以缩短软切换时段,维持终端的接收强度,确保终端移动性,同时将网络转发负载,终端处理负荷和无线资源占用时间抑制到绝对最小。
    • 49. 发明授权
    • Impact-resistant thermoplastic resin composition containing a grafted
butadiene rubber
    • 含有接枝丁二烯橡胶的耐冲击热塑性树脂组合物
    • US5283286A
    • 1994-02-01
    • US879999
    • 1992-05-08
    • Yosuke TakahashiYasumasa KomatsuHiroshi HagiwaraTakayuki Katto
    • Yosuke TakahashiYasumasa KomatsuHiroshi HagiwaraTakayuki Katto
    • C08F279/02C08L21/00C08L25/16C08L33/04C08L33/12C08L33/18C08L33/20C08L51/00C08L51/04C08L35/06
    • C08L25/16C08L33/12C08L51/04
    • A thermoplastic resin composition is prepared by blending 50-95 wt. % of a copolymer (A) of 10-75 wt. % of .alpha.-methyl styrene, 10-60 wt. % of methyl methacrylate, 5-35 wt. % of acrylonitrile and 0-20 wt. % of a monomer copolymerizable therewith; and 5-50 wt. % of a graft copolymer (B) comprising 50-85 wt. parts of a butadiene-based rubber polymer and 15-50 wt. parts of a vinyl monomer graft-polymerized onto the rubber polymer. The butadiene-based rubber polymer includes 50-98 wt. % of butadiene, 2-50 wt. % of an aromatic polycyclic vinyl monomer represented by a formula (I) below and 0-20 wt. % of a monomer copolymerizable therewith: ##STR1## wherein R denotes an optionally substituted biphenylyl or naphthyl group, and R.sub.1 denotes a hydrogen atom or a methyl group. The thermoplastic resin composition is provided with a good balance among heat-resistance, impact resistance, transparency and processability because the graft copolymer (B) using an aromatic polycyclic vinyl monomer shows a good impact resistance-modifying effect while retaining a relatively high refractive index and the copolymer (A) shows a good heat resistance and a relatively low refractive index.
    • 热塑性树脂组合物通过混合50-95wt。 %的共聚物(A)为10-75wt。 %的(α) - 甲基苯乙烯,10-60wt。 %的甲基丙烯酸甲酯,5-35wt。 丙烯腈的百分比和0-20重量% 可与其共聚的单体的%。 和5-50wt。 %的接枝共聚物(B)包含50-85wt。 部分丁二烯类橡胶聚合物和15-50wt。 部分接枝聚合到橡胶聚合物上的乙烯基单体。 丁二烯类橡胶聚合物包含50-98wt。 丁二烯的%,2-50wt。 %的由下式(I)表示的芳族多环乙烯基单体和0-20重量% 可与其共聚的单体的%:(*化学结构*)(I)其中R表示任选取代的联苯基或萘基,R 1表示氢原子或甲基。 由于使用芳族多环乙烯基单体的接枝共聚物(B)在保持相对高的折射率的同时表现出良好的耐冲击性改性效果,所以热塑性树脂组合物在耐热性,耐冲击性,透明性和加工性方面具有良好的平衡, 共聚物(A)显示良好的耐热性和较低的折射率。