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1. 发明申请

US20100091722A1 COMMUNICATION SYSTEM, BASE STATION, TERMINAL, AND COMMUNICATION METHOD 审中-公开
标题翻译：通信系统，基站，终端和通信方法
公开(公告)号：US20100091722A1
公开(公告)日：2010-04-15
申请号：US12516905
申请日：2007-11-29
申请人： Nobuaki Takamatsu , Hironobu Tanigawa , Yasuhiro Nakamura
发明人： Nobuaki Takamatsu , Hironobu Tanigawa , Yasuhiro Nakamura
IPC分类号： H04W72/04
CPC分类号： H04L5/0007 , H04L5/0042 , H04L5/0044 , H04L5/0064 , H04L5/0094 , H04W72/0453
摘要： A multiservice is implemented by connecting one base station and one terminal via one wireless link.There is provided communication control means 2-1 that performs communication in compliance with an OFDMA scheme having traffic channels including first sub-channels for containing information showing enabled or disabled sub-channels and second sub-channels for storing data pertaining to services in correspondence with the first sub-channels, that allocates a plurality of first sub-channels to a plurality of services, respectively, and that connects one base station to one terminal via one wireless link, thereby establishing communication pertaining to the plurality of services.
摘要翻译：通过一个无线链路连接一个基站和一个终端来实现多业务。提供了通信控制装置2-1，其执行符合具有业务信道的业务信道的业务信道的通信，所述业务信道包括用于包含表示启用或禁用子信道的信息的第一子信道，以及用于存储与业务对应关系的数据的第二子信道所述第一子信道分别将多个第一子信道分配给多个业务，并且经由一个无线链路将一个基站连接到一个终端，从而建立与所述多个业务有关的通信。

2. 发明申请

US20090303949A1 OFDMA Communication System and Communication Method 有权
标题翻译： OFDMA通信系统和通信方法
公开(公告)号：US20090303949A1
公开(公告)日：2009-12-10
申请号：US12442340
申请日：2007-09-19
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W72/04 , H04L27/28
CPC分类号： H04W72/042 , H04L5/0007 , H04L5/0094
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 notifies information of the allocated one or more available subchannels to the one terminal only by the downlink frame.
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，信道分配单元仅通过下行链路帧向一个终端通知所分配的一个或多个可用子信道的信息。

3. 发明授权

US08699427B2 OFDMA communication system and communication method 有权
标题翻译： 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
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W4/00
CPC分类号： H04L5/1484 , H04L5/0007 , H04L5/0048 , H04W72/04
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。

4. 发明授权

US08170573B2 Base station apparatus and wireless communication method 有权
标题翻译：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
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
IPC分类号： H04B1/38 , H04J3/16
CPC分类号： H04L1/1812 , H04L1/1893 , H04W72/0453 , H04W88/08
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。

5. 发明申请

US20100178926A1 COMMUNICATION METHOD AND COMMUNICATION SYSTEM 有权
标题翻译：通信方法与通信系统
公开(公告)号：US20100178926A1
公开(公告)日：2010-07-15
申请号：US12666271
申请日：2008-05-23
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W72/00
CPC分类号： H04L5/0007 , H04L5/0037 , H04L5/0094
摘要： Present invention provides a communication method and a communication system that can provide more detailed communication control, larger transmission capacity, and more flexible resource distribution to users in comparison with a communication method using a conventional frame format.There are provided a downlink frame generator 14 that generates a downlink frame for a downlink period in which a cell station 10 communicates with at least one personal station of the plurality of personal stations 20 in a predetermined frame format, and an uplink frame generator 24 that generates an uplink frame for an uplink period in which at least one personal station of the plurality of personal stations communicates with the cell station 10 in a predetermined frame format, wherein the frame format of the downlink frame includes a MAP field that notifies, in the downlink period, each personal station of information indicating an available or unavailable subchannel for each personal station.
摘要翻译：本发明提供了一种通信方法和通信系统，与使用常规帧格式的通信方法相比，可以向用户提供更详细的通信控制，更大的传输容量和更灵活的资源分配。提供了下行链路帧生成器14，其生成用于下行链路周期的下行链路帧，其中小区站10以预定帧格式与多个个人站20中的至少一个个人站通信，以及上行链路帧生成器24，生成上行链路帧，其中多个个人站中的至少一个个人站以预定的帧格式与小区10进行通信，其中下行链路帧的帧格式包括MAP字段，其在下行链路周期，每个个人站的信息指示每个个人站的可用或不可用的子信道。

6. 发明申请

US20100020754A1 OFDMA Communication System and Communication Method 审中-公开
标题翻译： OFDMA通信系统和通信方法
公开(公告)号：US20100020754A1
公开(公告)日：2010-01-28
申请号：US12442092
申请日：2007-09-19
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W72/04
CPC分类号： H04L5/1484 , H04L5/0007 , H04L5/0048
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), and 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. The downlink frame and the uplink frame have symmetric configurations.
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），其生成下行链路周期的下行链路帧，用于从基站（10）向多个终端中的至少一个终端（20）进行通信，上行链路帧生成单元（24），其从所述多个终端的至少一个终端（20）生成用于进行与所述基站（10）的通信的上行链路周期的上行链路帧。下行链路帧和上行链路帧具有对称配置。

7. 发明授权

US08493930B2 Communication system, base station and mobile station used in the communication system, and base station switching method 有权
标题翻译：通信系统中使用的通信系统，基站和移动台以及基站交换方式
公开(公告)号：US08493930B2
公开(公告)日：2013-07-23
申请号：US12447425
申请日：2007-10-25
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W36/00
CPC分类号： H04L5/0053 , H04W36/0083
摘要： There are provided an OFDMA communication system capable of reducing a time necessary for a handover without releasing a wireless communication with a base station as a handover source to search base stations, a base station and a mobile station used in the communication system, and a base station switching method.In an OFDMA communication system in which data communication is performed between a plurality of base stations 10 and a plurality of mobile stations, each base station 10 includes subchannel assignment setting unit 15-1 which sets assignment of subchannels including a first subchannel and a second subchannel for each of the mobile stations, the first subchannel including information indicating usable or unusable subchannels of the respective mobile stations and being assigned to the respective mobile stations, the second subchannel including actually-used data. When a request for switching the first subchannel is received from one of the mobile stations 20, the second subchannel is collected and assigned to a same slot as the first subchannel assigned to the one of the mobile stations 20.
摘要翻译：提供了OFDMA通信系统，其能够减少切换所需的时间，而不会释放与作为切换源的基站的无线通信，以搜索在通信系统中使用的基站，基站和移动站，以及基站站切换方式。在多个基站10和多个移动台之间进行数据通信的OFDMA通信系统中，各基站10包括子信道分配设定部15-1，其设定包含第1子信道和第2子信道的子信道的分配对于每个移动站，第一子信道包括指示各个移动站的可用或不可用的子信道并被分配给各个移动站的信息，第二子信道包括实际使用的数据。当从移动站20之一接收到切换第一子信道的请求时，收集第二子信道并将其分配给与分配给移动站20之一的第一子信道相同的时隙。

8. 发明授权

US08228857B2 Wireless communication system, wireless communication terminal, base station and wireless communication method 有权
标题翻译：无线通信系统，无线通信终端，基站和无线通信方式
公开(公告)号：US08228857B2
公开(公告)日：2012-07-24
申请号：US12442654
申请日：2007-09-14
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Nobuaki Takamatsu
IPC分类号： H04W4/00
CPC分类号： H04W72/0406 , H04L5/0007 , H04L5/0044 , H04L5/0053 , H04L5/006 , H04L5/0094 , H04W16/02 , H04W72/0413 , H04W72/042 , H04W72/12
摘要： Provided is a wireless communication system for performing communication using a shared control channel that can be used in a predetermined period for each of a plurality of base stations and a plurality of traffic channels that can be adaptively allocated to each of a plurality of wireless communication terminals. The wireless communication terminal is provided with a channel requesting unit that requests the base station to allocate an individual control channel through the shared control channel and a communication control unit that performs control information communication by wirelessly connecting the individual control channel allocated from the base station. The base station is provided with a channel allocating unit that allocates one of the traffic channels as the individual control channel to be exclusively used for the wireless communication terminal when the request of individual control channel allocation is received from the wireless communication terminal through the shared control channel.
摘要翻译：提供了一种无线通信系统，用于使用可以在多个基站中的每一个的预定时段中使用的共享控制信道和可以自适应地分配给多个无线通信终端中的每一个的多个业务信道来执行通信。无线通信终端设置有信道请求单元，其请求基站通过共享控制信道分配单独的控制信道;以及通信控制单元，其通过无线连接从基站分配的各个控制信道来执行控制信息通信。基站具有信道分配单元，当通过共享控制从无线通信终端接收到各个控制信道分配的请求时，分配业务信道中的一个作为专用于无线通信终端的单独控制信道渠道。

9. 发明申请

US20110051599A1 Radio Communication System, Base Station Device, Radio Communication Terminal, and Radio Communication Method 审中-公开
标题翻译：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
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
IPC分类号： G06F11/07
CPC分类号： H04L1/1893 , H04L1/0002 , H04L1/04 , H04L1/1812 , H04L5/0007 , H04L5/003 , H04L27/2626
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。

10. 发明申请

US20100128684A1 Base Station Apparatus and Wireless Communication Method 有权
标题翻译：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
申请人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
发明人： Hironobu Tanigawa , Yasuhiro Nakamura , Toru Sahara , Nobuaki Takamatsu
IPC分类号： H04W72/04
CPC分类号： H04L1/1812 , H04L1/1893 , H04W72/0453 , H04W88/08
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。

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