Base station apparatus and wireless communication method
    1.
    发明授权
    Base station apparatus and wireless communication method 有权
    基站装置和无线通信方法

    公开(公告)号:US08170573B2

    公开(公告)日:2012-05-01

    申请号:US12440432

    申请日:2007-08-29

    IPC分类号: H04B1/38 H04J3/16

    摘要: A base station apparatus which conducts a packet communication with a wireless communication terminal includes: a retransmission request detection unit which detects a retransmission request from the wireless communication terminal; a bandwidth assignment unit which assigns a communication bandwidth applied to the packet communication; a modulation class calculation portion, based on both bandwidth information regarding the bandwidth assigned by the bandwidth assignment unit and a data amount of packets corresponding to the retransmission request, calculates a modulation class applied to a retransmission in order to adjust a number of retransmitted packets to be the same as a number of previously transmitted packets; a modulation class determination unit which determines whether or not the modulation class is lower than a modulation class applied to a previous packet transmission; and a retransmission unit which retransmits packets corresponding to the retransmission request based on the determination result regarding the modulation class.

    摘要翻译: 与无线通信终端进行分组通信的基站装置包括:重发请求检测单元,其从无线通信终端检测重发请求; 带宽分配单元,其分配应用于分组通信的通信带宽; 调制类计算部分,基于与带宽分配单元分配的带宽的带宽信息和与重传请求对应的分组的数据量,计算应用于重传的调制类,以便将重传分组的数量调整为 与以前传输的数据数量相同; 调制类别确定单元,确定调制类别是否低于应用于先前分组传输的调制类别; 以及重传单元,其基于关于调制类别的判定结果,重发与所述重发请求对应的分组。

    Radio Communication System, Base Station Device, Radio Communication Terminal, and Radio Communication Method
    2.
    发明申请
    Radio Communication System, Base Station Device, Radio Communication Terminal, and Radio Communication Method 审中-公开
    无线电通信系统,基站装置,无线电通信终端和无线电通信方法

    公开(公告)号:US20110051599A1

    公开(公告)日:2011-03-03

    申请号:US12439816

    申请日:2007-09-04

    IPC分类号: G06F11/07

    摘要: A wireless communication system which performs packet communication in a time division multiplexing communication format between wireless communication devices using either one or a plurality of communication channels includes: a resend request unit which detects that a received packet contains an error and requests a resend; a resend request detection unit which detects the request for a resend; a packet resend unit which resends the packet in accordance with the request for a resend detected by the resend request detection unit; and a channel allocation unit which allocates a different communication channel for the packet resend unit to resend the packet from the communication channel which was used for sending the packet in which the error detected by the resend request unit was contained.

    摘要翻译: 一种使用一个或多个通信信道在无线通信设备之间以时分复用通信格式进行分组通信的无线通信系统包括:重发请求单元,其检测接收到的分组包含错误并请求重发; 重发请求检测单元,其检测重发的请求; 分组重发单元,其根据由所述重发请求检测单元检测到的重发的请求重新发送所述分组; 以及信道分配单元,其分配用于分组重发单元的不同通信信道,以从用于发送其中包含由重发请求单元检测到的错误的分组的通信信道重新发送分组。

    Wireless Communication System, Wireless Communication Device and Wireless Communication Method
    3.
    发明申请
    Wireless Communication System, Wireless Communication Device and Wireless Communication Method 审中-公开
    无线通信系统,无线通信设备和无线通信方法

    公开(公告)号:US20110022919A1

    公开(公告)日:2011-01-27

    申请号:US12934263

    申请日:2009-03-26

    IPC分类号: H04L1/18 G06F11/14

    摘要: One object of the present invention is to improve stability of wireless communication by effectively requesting retransmission of data to a wireless communication device, which is a data transmission source, by switching ARQ and HARQ if an error has been detected in received data.In the wireless communication system of the present invention, other wireless communication device (for example, base station 120) includes a transmission data maintaining unit 230, a data transmission unit 234, a retransmission request receiving unit 236, an HARQ data retransmission unit 238, and an ARQ data retransmission unit 240. A wireless communication device (for example, PHS terminal 110) includes a data receiving unit 330, a data demodulation unit 332, an error detection unit 336, a retransmission request selection unit 338, an HARQ processing unit 340 capable of making an HARQ retransmission request, and an ARQ processing unit 360 capable of making an ARQ retransmission request.

    摘要翻译: 本发明的一个目的是通过在接收到的数据中检测到错误时,通过切换ARQ和HARQ来有效地请求重发数据到作为数据传输源的无线通信设备来提高无线通信的稳定性。 在本发明的无线通信系统中,其他的无线通信装置(例如,基站120)具备发送数据维持部230,数据发送部234,重发请求接收部236,HARQ数据重发部238, 和ARQ数据重发单元240.无线通信设备(例如,PHS终端110)包括数据接收单元330,数据解调单元332,错误检测单元336,重传请求选择单元338,HARQ处理单元 340,以及能够进行ARQ重传请求的ARQ处理单元360。

    Base Station Apparatus and Wireless Communication Method
    4.
    发明申请
    Base Station Apparatus and Wireless Communication Method 有权
    基站装置和无线通信方法

    公开(公告)号:US20100128684A1

    公开(公告)日:2010-05-27

    申请号:US12440432

    申请日:2007-08-29

    IPC分类号: H04W72/04

    摘要: A base station apparatus which conducts a packet communication with a wireless communication terminal includes: a retransmission request detection unit which detects a retransmission request from the wireless communication terminal; a bandwidth assignment unit which assigns a communication bandwidth applied to the packet communication; a modulation class calculation portion, based on both bandwidth information regarding the bandwidth assigned by the bandwidth assignment unit and a data amount of packets corresponding to the retransmission request, calculates a modulation class applied to a retransmission in order to adjust a number of retransmitted packets to be the same as a number of previously transmitted packets; a modulation class determination unit which determines whether or not the modulation class is lower than a modulation class applied to a previous packet transmission; and a retransmission unit which retransmits packets corresponding to the retransmission request based on the determination result regarding the modulation class.

    摘要翻译: 与无线通信终端进行分组通信的基站装置包括:重发请求检测单元,其从无线通信终端检测重发请求; 带宽分配单元,其分配应用于分组通信的通信带宽; 调制类计算部分,基于与带宽分配单元分配的带宽的带宽信息和与重传请求对应的分组的数据量,计算应用于重传的调制类,以便将重传分组的数量调整为 与以前传输的数据数量相同; 调制类别确定单元,确定调制类别是否低于应用于先前分组传输的调制类别; 以及重传单元,其基于关于调制类别的判定结果,重发与所述重发请求对应的分组。

    COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND DATA FRAME RETRANSMISSION CONTROL METHOD
    5.
    发明申请
    COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND DATA FRAME RETRANSMISSION CONTROL METHOD 审中-公开
    通信系统,通信设备和数据帧重传控制方法

    公开(公告)号:US20090271680A1

    公开(公告)日:2009-10-29

    申请号:US12441510

    申请日:2007-09-13

    IPC分类号: H04L1/18 G06F11/14

    CPC分类号: H04L1/08 H04L1/1854

    摘要: A mobile station device (12) includes a retransmission request transmission timing identifying unit (40) which identifies, based on a timing of reception of a data frame transmitted from a base station device, a timing of transmission of a retransmission request of the data frame to the base station device. The base station device includes a retransmission data frame selecting unit which selects, based on a timing of reception of the retransmission request transmitted from the mobile station device (12), a data frame to be retransmitted from among a plurality of data frames transmitted to the mobile station device (12), and retransmits a data frame selected by the retransmission data frame selecting unit to the mobile station device (12).

    摘要翻译: 移动站装置(12)具有重发请求发送定时识别部(40),其基于从基站装置发送的数据帧的接收定时,识别数据帧的重发请求的发送定时 到基站装置。 基站装置包括:重发数据帧选择部,其根据从移动台装置发送的重发请求的接收定时,从发送到所述移动台装置的多个数据帧中重发出的数据帧; 移动站装置(12),并且向所述移动站装置(12)重发由所述重发送数据帧选择部选择的数据帧。

    Base station and communication method thereof
    7.
    发明授权
    Base station and communication method thereof 有权
    基站及其通信方法

    公开(公告)号:US09282556B2

    公开(公告)日:2016-03-08

    申请号:US13027514

    申请日:2011-02-15

    申请人: Nobuaki Takamatsu

    发明人: Nobuaki Takamatsu

    摘要: Provided is a base station for communicating with a mobile station by assigning at least a part of a communication frame including a plurality of wireless communication channels in a frequency direction. The communication frame includes at least one special subframe having a data transmission region available for transmission to the mobile station and a data reception region available for reception from the mobile station, separated from the data transmission region in a time direction. The base station includes an assignment unit 50 for assigning, in the special subframe, the data transmission region for transmission of downlink control information to nearby mobile stations and the data reception region for reception of uplink control information from the nearby mobile stations, and a transmission and reception unit 10 for transmitting the downlink control information in the data transmission region and for receiving the uplink control information in the data reception region.

    摘要翻译: 提供了一种用于通过在频率方向上分配包括多个无线通信信道的通信帧的至少一部分来与移动台进行通信的基站。 通信帧包括至少一个具有可用于向移动站发送的数据传输区域的特殊子帧和从时间方向与数据传输区域分离的可用于从移动站接收的数据接收区域。 基站包括分配单元50,用于在特殊子帧中分配用于向附近的移动站发送下行链路控制信息的数据发送区域和用于从附近的移动站接收上行链路控制信息的数据接收区域,以及传输 以及用于在数据发送区域中发送下行链路控制信息并用于在数据接收区域中接收上行链路控制信息的接收单元10。

    Mobile communication system, base station, mobile station, and wireless communication method
    9.
    发明授权
    Mobile communication system, base station, mobile station, and wireless communication method 有权
    移动通信系统,基站,移动台和无线通信方式

    公开(公告)号:US09119194B2

    公开(公告)日:2015-08-25

    申请号:US13515800

    申请日:2010-11-24

    IPC分类号: H04W72/04 H04L5/00 H04W72/08

    摘要: A base station (12) performs communication to and from a mobile station via at least a part of a plurality of radio channels. The base station (12) includes: a channel allocation section (30) for allocating a radio channel having an allocation effective period of two or more frames to the mobile station; and a channel notification section (34) for notifying the mobile station of a radio channel newly allocated by the channel allocation section (30) in response to an expiration of the allocation effective period of the radio channel which has been allocated by the channel allocation section (30). The mobile station uses the radio channel notified from the base station (12) for communicating to and from the base station (12) until an allocation effective period of the new radio channel expires.

    摘要翻译: 基站(12)经由多个无线电信道的至少一部分来执行与来自移动台的通信。 基站(12)包括:信道分配部(30),用于向移动台分配具有2帧以上的分配有效期的无线信道; 以及频道通知部(34),用于响应于由频道分配部分(30)分配的无线电频道的分配有效期的到期,向移动台通知由频道分配部(30)新分配的无线电频道 (30)。 移动台使用从基站(12)通知的无线电信道用于与基站(12)进行通信,直到新的无线电信道的分配有效期到期。

    OFDMA communication system and communication method
    10.
    发明授权
    OFDMA communication system and communication method 有权
    OFDMA通信系统和通信方法

    公开(公告)号:US08699427B2

    公开(公告)日:2014-04-15

    申请号:US12442291

    申请日:2007-09-19

    IPC分类号: H04W4/00

    摘要: There is provided an OFDMA communication system capable of suppressing the communication resource reduction and reducing the processing load on a base station. The system includes a downlink frame generation unit (14) that generates a downlink frame for a downlink period for performing communication to at least one terminal (20) of a plurality of terminals from the base station (10), an uplink frame generation unit (24) that generates an uplink frame for an uplink period for performing communication to the base station (10) from at least one terminal (20) of the plurality of terminals, and a channel allocation unit that allocates, for one terminal of the plurality of terminals, one or more subchannels available in the one terminal, wherein the channel allocation unit allocates, among the subchannels, subchannels having a same time slot and a same frequency band in the downlink frame and in the uplink frame for a single terminal of the plurality of terminals.

    摘要翻译: 提供了能够抑制通信资源减少并降低基站处理负荷的OFDMA通信系统。 该系统包括下行链路帧生成单元(14),其生成用于从基站(10)向多个终端中的至少一个终端(20)进行通信的下行链路周期的下行链路帧,上行链路帧生成单元 24),其生成用于从所述多个终端中的至少一个终端(20)向所述基站(10)进行通信的上行链路周期的上行链路帧,以及信道分配单元,对于所述多个 终端,一个终端中可用的一个或多个子信道,其中信道分配单元在子信道中分配在下行链路帧中具有相同时隙和相同频带的子信道,并且在多个子载波中的单个终端的上行链路帧中 的终端。