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61. 发明授权

US08483134B2 Radio transmission appratus and radio transmission method that switch between communication methods 有权
标题翻译：无线电传输方式和无线传输方式之间切换通信方式
公开(公告)号：US08483134B2
公开(公告)日：2013-07-09
申请号：US12989694
申请日：2009-06-16
申请人： Takashi Iwai , Katsuhiko Hiramatsu , Daichi Imamura , Akihiko Nishio , Seigo Nakao , Atsushi Sumasu , Yoshihiko Ogawa , Sadaki Futagi
发明人： Takashi Iwai , Katsuhiko Hiramatsu , Daichi Imamura , Akihiko Nishio , Seigo Nakao , Atsushi Sumasu , Yoshihiko Ogawa , Sadaki Futagi
IPC分类号： H04W4/00
CPC分类号： H04L27/0008 , H04B7/063 , H04B7/0639 , H04B7/0643 , H04B7/0689 , H04L1/0021 , H04L1/0029 , H04L5/0007 , H04L27/2636 , H04W52/367 , H04W52/42
摘要： A radio transmission apparatus and a radio transmission method suppress lowering of the throughput caused by switching between the single carrier communication method and the multi-carrier communication method while suppressing increase in the signaling amount. A PHR threshold value setter sets a threshold value at a position greater by a predetermined value than the PHR at which the throughput performance of the SC-FDMA coincides with that of the OFDMA. A trigger signal transmission judger judges that a mobile station transmits a trigger signal for switching from the OFDMA to the SC-FDMA if the PHR in the OFDMA communication method is lower than the threshold value.
摘要翻译：无线发送装置和无线发送方法抑制在单载波通信方式与多载波通信方式之间的切换引起的吞吐量的下降，同时抑制信令量的增加。 PHR阈值设定器在比SCDMA的吞吐量性能与OFDMA的吞吐量性能一致的PHR大预定值的位置处设定阈值。如果OFDMA通信方法中的PHR低于阈值，则触发信号传输判断器判断移动站发送用于从OFDMA切换到SC-FDMA的触发信号。

62. 发明申请

US20120026953A1 COMMUNICATION DEVICE AND COMMUNICATION METHOD 有权
标题翻译：通信设备和通信方法
公开(公告)号：US20120026953A1
公开(公告)日：2012-02-02
申请号：US13148890
申请日：2010-02-12
申请人： Yoshihiko Ogawa , Akihiko Nishio , Daichi Imamura , Seigo Nakao , Masayuki Hoshino , Takashi Iwai , Sadaki Futagi
发明人： Yoshihiko Ogawa , Akihiko Nishio , Daichi Imamura , Seigo Nakao , Masayuki Hoshino , Takashi Iwai , Sadaki Futagi
IPC分类号： H04W72/04
CPC分类号： H04W72/1289 , H04L1/00 , H04L1/0004 , H04L1/0041 , H04L1/0045 , H04L5/0023 , H04L5/0028 , H04L5/0041 , H04L5/006 , H04L5/0064 , H04L5/0092 , H04L27/2601 , H04L27/2607 , H04L27/2614 , H04L27/2636 , H04L27/2647 , H04W28/06 , H04W72/042 , H04W72/0453 , H04W72/0466 , H04W72/0473 , H04W72/12 , H04W72/1268 , H04W84/042
摘要： Disclosed are a wireless communication base station device, a wireless communication terminal device, and a wireless communication method with which the amount of signaling is reduced while maintaining a high scheduling gain. A judgment unit (117) stores in advance a correspondence between the number of code words and the number of clusters to reduce the maximum value for the number of clusters allocated to each terminal as the number of code words increases, and thus determines the maximum value for the number of clusters based on the number of code words acquired. Based on the number of code words for a transmission signal from a terminal, an estimated value for the reception quality that is output by an estimation unit (109), and the maximum value for the number of clusters that is output by the judgment unit (117), a scheduling unit (118) schedules the allocation of the transmission signal transmitted by each terminal to a transmission band frequency (frequency resource) so as not to exceed the maximum value for the number of clusters.
摘要翻译：公开了一种无线通信基站装置，无线通信终端装置和无线通信方法，在保持高调度增益的同时，信令量减少。判断单元117预先存储代码字数与簇数之间的对应关系，以便随着码字数量的增加而减小分配给每个终端的簇的数量的最大值，从而确定最大值对于基于所获取的代码字数的集群数。基于来自终端的发送信号的码字的数量，由估计单元（109）输出的接收质量的估计值和由判断单元（109）输出的群集数的最大值 117），调度单元（118）将由各终端发送的发送信号的分配调度为发送频带频率（频率资源），以使其不超过簇的数量的最大值。

63. 发明申请

US20110299496A1 SCHEDULING APPARATUS AND SCHEDULING METHOD 有权
标题翻译：调度设备和调度方法
公开(公告)号：US20110299496A1
公开(公告)日：2011-12-08
申请号：US13201767
申请日：2010-02-17
申请人： Takashi Iwai , Sadaki Futagi , Daichi Imamura , Akihiko Nishio , Seigo Nakao , Yoshihiko Ogawa
发明人： Takashi Iwai , Sadaki Futagi , Daichi Imamura , Akihiko Nishio , Seigo Nakao , Yoshihiko Ogawa
IPC分类号： H04W72/04
CPC分类号： H04W72/0453 , H04L5/0037 , H04L5/0041 , H04L5/006 , H04L5/0064 , H04L5/0091 , H04W72/0406 , H04W72/0413 , H04W72/042 , H04W72/08
摘要： A scheduling apparatus and a scheduling method, wherein the amount of signaling for frequency resource allocation information can be reduced while maintaining system throughput performance. In a base station apparatus (100), a scheduling section (113) allocates frequency resources to frequency allocation target terminals based on set frequency allocation units, and a frequency allocation parameter setting section (112) adjusts the set frequency allocation units set in the scheduling section (113) based on cluster numbers. Due to this, in each cluster number, frequency resources can be allocated based on the most suitable frequency allocation units with respect to the signaling bit number. As a result, the amount of signaling for frequency resource allocation information can be reduced. Further, system throughput can be maintained by making the cluster number, which is a parameter having little effect on system throughput, a setting parameter for frequency allocation units.
摘要翻译：一种调度装置和调度方法，其中可以在维持系统吞吐量性能的同时减少频率资源分配信息的信令量。在基站装置（100）中，调度部（113）基于设定的频率分配单位向频率分配对象终端分配频率资源，频率分配参数设定部（112）对调度中设定的设定频率分配单位进行调整（113）基于簇号。因此，在每个簇号中，可以基于针对信令比特数的最合适的频率分配单元来分配频率资源。结果，可以减少用于频率资源分配信息的信令量。此外，可以通过使作为对系统吞吐量影响不大的参数的簇号，频率分配单元的设定参数来维持系统吞吐量。

64. 发明申请

US20110287797A1 WIRELESS TRANSMITTER AND REFERENCE SIGNAL TRANSMISSION METHOD 审中-公开
标题翻译：无线发射机和参考信号传输方法
公开(公告)号：US20110287797A1
公开(公告)日：2011-11-24
申请号：US13146611
申请日：2010-01-28
申请人： Takashi Iwai , Sadaki Futagi , Tomohumi Takata , Daichi Imamura , Yoshihiko Ogawa
发明人： Takashi Iwai , Sadaki Futagi , Tomohumi Takata , Daichi Imamura , Yoshihiko Ogawa
IPC分类号： H04W72/04
CPC分类号： H04L5/0048 , H04L25/022 , H04L25/0226 , H04L25/03159 , H04L27/2613
摘要： Disclosed are a wireless transmitter and a reference signal transmission method that improve channel estimation accuracy. In a terminal (100), which transmits a reference signal using n (n is a non-negative integer 2 or greater) band blocks (which correspond to clusters here), which are disposed with spaces therebetween in a frequency direction, a reference signal controller (106) switches the reference signal formation method of a reference signal generator (107) between a first formation method and a second formation method based on the number (n) of band blocks. In addition, a threshold value setting unit (105) adjusts a switching threshold value based on the frequency spacing between band blocks. Thus, the reference signal formation method can be selected with good accuracy and, as a result, channel estimation accuracy is further improved.
摘要翻译：公开了一种提高信道估计精度的无线发射机和参考信号传输方法。在使用n（n为非负整数2以上）的频带（与此相对应的集群）发送参考信号的终端（100）中，在频率方向上设置有空格的参考信号控制器（106）基于频带块的数量（n）在第一形成方法和第二形成方法之间切换参考信号发生器（107）的参考信号形成方法。此外，阈值设定部（105）根据频带间的频率间隔调整切换阈值。因此，可以以高精度选择参考信号形成方法，结果进一步提高了信道估计精度。

65. 发明申请

US20110167312A1 RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD 审中-公开
标题翻译：无线传输设备和无线传输方法
公开(公告)号：US20110167312A1
公开(公告)日：2011-07-07
申请号：US13063163
申请日：2009-09-28
申请人： Yoshihiko Ogawa , Seigo Nakao , Katsuhiko Hiramatsu , Daichi Imamura , Masayuki Hoshino , Atsushi Sumasu , Ayako Horiuchi , Sadaki Futagi , Masaru Fukuoka , Takashi Iwai
发明人： Yoshihiko Ogawa , Seigo Nakao , Katsuhiko Hiramatsu , Daichi Imamura , Masayuki Hoshino , Atsushi Sumasu , Ayako Horiuchi , Sadaki Futagi , Masaru Fukuoka , Takashi Iwai
IPC分类号： G06F11/14
CPC分类号： H04L1/1887 , H04L1/1893 , H04W74/085
摘要： Provided are a radio transmission device and a radio transmission method which can reduce the transmission packet collision generation ratio even when no resource allocation signal is detected in retransmission. When control information outputted from a decoding unit (204) contains NACK and retransmission Grant, a retransmission resource check unit (205) determines that the resource indicated by the retransmission Grant is the retransmission resource. Moreover, when no retransmission Grant is detected and the initial transmission is a wideband transmission, the retransmission resource check unit (205) determines that no retransmission resource exists and instructs an RB allocation unit (209) to stop retransmission. Moreover, when no retransmission Grant is detected and the initial transmission is a narrow band transmission, a predetermined resource is determined to be the retransmission resource.
摘要翻译：提供即使在重发中没有检测到资源分配信号的情况下也能够降低发送分组冲突发生率的无线发送装置和无线发送方法。当从解码单元（204）输出的控制信息包含NACK和重发授权时，重发资源检查单元（205）确定由重发授权指示的资源是重传资源。此外，当没有检测到重传授权并且初始传输是宽带传输时，重发资源检查单元（205）确定不存在重传资源，并且指示RB分配单元（209）停止重传。此外，当没有检测到重传授权并且初始发送是窄带传输时，将预定资源确定为重传资源。

66. 发明申请

US20100246559A1 RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION MOBILE STATION APPARATUS 有权
标题翻译：无线电通信基站装置和无线电通信移动站装置
公开(公告)号：US20100246559A1
公开(公告)日：2010-09-30
申请号：US12295260
申请日：2007-03-29
申请人： Yoshihiko Ogawa , Daichi Imamura , Ayako Horiuchi , Sadaki Futagi
发明人： Yoshihiko Ogawa , Daichi Imamura , Ayako Horiuchi , Sadaki Futagi
IPC分类号： H04J3/00
CPC分类号： H04W72/1289 , H04L5/0007 , H04L5/0037 , H04L5/006 , H04L5/0085 , H04L5/023 , H04W88/085
摘要： A radio communication base station device can efficiently obtain a multiuser diversity gain from frequency scheduling while reducing the amount of a reference signal occupying an uplink. In the device, a grouping section (109) divides a plurality of RBs (Resource Blocks) into a plurality of RB groups. An RB group control unit (108) performs a control to change the correspondence relationship between the RBs and the RB groups with time. When the grouping section (109) divides the RBs into the RB groups, the RB control unit (108) performs a control to change a combination of the RBs included in each of the RB groups with time. A scheduling section (110) performs a scheduling of allocating each of a plurality of mobile stations to each of the RBs in each of the RB groups according to the reception quality of the reference signal.
摘要翻译：无线通信基站装置可以在减少占用上行链路的参考信号的量的情况下，有效地从频率调度获得多用户分集增益。在该装置中，分组部（109）将多个RB（资源块）划分为多个RB组。 RB组控制单元（108）执行随时间改变RB和RB组之间的对应关系的控制。当分组部分（109）将RB分成RB组时，RB控制单元（108）执行控制以随时间改变每个RB组中包括的RB的组合。调度部（110）根据参考信号的接收质量，执行向RB组中的每个RB分配多个移动台中的每一个的调度。

67. 发明申请

US20100002804A1 RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD 有权
标题翻译：无线传输设备和无线传输方法
公开(公告)号：US20100002804A1
公开(公告)日：2010-01-07
申请号：US12524689
申请日：2008-01-30
申请人： Yoshihiko Ogawa , Daichi Imamura , Sadaki Futagi , Atsushi Matsumoto , Takashi Iwai
发明人： Yoshihiko Ogawa , Daichi Imamura , Sadaki Futagi , Atsushi Matsumoto , Takashi Iwai
IPC分类号： H04L27/04 , H04L27/00
CPC分类号： H04L25/0226 , H04J13/0059 , H04J13/22
摘要： It is possible to provide a radio transmission device and a radio transmission method which can avoid degradation of a channel estimation accuracy using a reference signal formed by a ZC sequence even when the RS transmission band of a local cell is different from that of an adjacent cell. A mobile station decides a cyclic shift sequence corresponding to RB allocation information from an RS table which correlates different frequency bandwidths from a reference point of respective transmission bands to a spectrum start number of the cyclic shift sequence so as to satisfy a particular relationship based on the sequence length and transmits the decided cyclic shift sequence as RS to a base station. The base station uses the same RS table as the RS table of the mobile station and performs correlation calculation of the RS transmitted from the mobile station, thereby performing channel estimation.
摘要翻译：可以提供一种无线传输装置和无线传输方法，即使当本地小区的RS传输频带与相邻小区的RS传输频带不同时，也可以使用由ZC序列形成的参考信号来降低信道估计精度的劣化。移动台从RS表中确定与RB分配信息相对应的循环移位序列，该RS表把不同的频带宽度从各个传输频带的参考点相关到循环移位序列的频谱起始号，从而满足基于序列长度，并将所确定的循环移位序列作为RS发送到基站。基站使用与移动站的RS表相同的RS表，对从移动台发送的RS进行相关运算，进行信道估计。

68. 发明授权

US08737329B2 Communication device and communication method 有权
标题翻译：通信设备和通信方式
公开(公告)号：US08737329B2
公开(公告)日：2014-05-27
申请号：US13148890
申请日：2010-02-12
申请人： Yoshihiko Ogawa , Akihiko Nishio , Daichi Imamura , Seigo Nakao , Masayuki Hoshino , Takashi Iwai , Sadaki Futagi
发明人： Yoshihiko Ogawa , Akihiko Nishio , Daichi Imamura , Seigo Nakao , Masayuki Hoshino , Takashi Iwai , Sadaki Futagi
IPC分类号： H04W4/00
CPC分类号： H04W72/1289 , H04L1/00 , H04L1/0004 , H04L1/0041 , H04L1/0045 , H04L5/0023 , H04L5/0028 , H04L5/0041 , H04L5/006 , H04L5/0064 , H04L5/0092 , H04L27/2601 , H04L27/2607 , H04L27/2614 , H04L27/2636 , H04L27/2647 , H04W28/06 , H04W72/042 , H04W72/0453 , H04W72/0466 , H04W72/0473 , H04W72/12 , H04W72/1268 , H04W84/042
摘要： Disclosed are a wireless communication base station device, a wireless communication terminal device, and a wireless communication method with which the amount of signaling is reduced while maintaining a high scheduling gain. A judgment unit (117) stores in advance a correspondence between the number of code words and the number of clusters to reduce the maximum value for the number of clusters allocated to each terminal as the number of code words increases, and thus determines the maximum value for the number of clusters based on the number of code words acquired. Based on the number of code words for a transmission signal from a terminal, an estimated value for the reception quality that is output by an estimation unit (109), and the maximum value for the number of clusters that is output by the judgment unit (117), a scheduling unit (118) schedules the allocation of the transmission signal transmitted by each terminal to a transmission band frequency (frequency resource) so as not to exceed the maximum value for the number of clusters.
摘要翻译：公开了一种无线通信基站装置，无线通信终端装置和无线通信方法，在保持高调度增益的同时，信令量减少。判断单元117预先存储代码字数与簇数之间的对应关系，以便随着码字数量的增加而减小分配给每个终端的簇的数量的最大值，从而确定最大值对于基于所获取的代码字数的集群数。基于来自终端的发送信号的码字的数量，由估计单元（109）输出的接收质量的估计值和由判断单元（109）输出的群集数的最大值 117），调度单元（118）将由各终端发送的发送信号的分配调度为发送频带频率（频率资源），以使其不超过簇的数量的最大值。

69. 发明授权

US08571001B2 Radio communication base station apparatus and radio communication mobile station apparatus 有权
标题翻译：无线通信基站装置和无线通信移动台装置
公开(公告)号：US08571001B2
公开(公告)日：2013-10-29
申请号：US12295260
申请日：2007-03-29
申请人： Yoshihiko Ogawa , Daichi Imamura , Ayako Horiuchi , Sadaki Futagi
发明人： Yoshihiko Ogawa , Daichi Imamura , Ayako Horiuchi , Sadaki Futagi
IPC分类号： H04J3/00
CPC分类号： H04W72/1289 , H04L5/0007 , H04L5/0037 , H04L5/006 , H04L5/0085 , H04L5/023 , H04W88/085
摘要： A radio communication base station device can efficiently obtain a multiuser diversity gain from frequency scheduling while reducing the amount of a reference signal occupying an uplink. In the device, a grouping section (109) divides a plurality of RBs (Resource Blocks) into a plurality of RB groups. An RB group control unit (108) performs a control to change the correspondence relationship between the RBs and the RB groups with time. When the grouping section (109) divides the RBs into the RB groups, the RB control unit (108) performs a control to change a combination of the RBs included in each of the RB groups with time. A scheduling section (110) performs a scheduling of allocating each of a plurality of mobile stations to each of the RBs in each of the RB groups according to the reception quality of the reference signal.
摘要翻译：无线通信基站装置可以在减少占用上行链路的参考信号的量的情况下，有效地从频率调度获得多用户分集增益。在该装置中，分组部（109）将多个RB（资源块）划分为多个RB组。 RB组控制单元（108）执行随时间改变RB和RB组之间的对应关系的控制。当分组部分（109）将RB分成RB组时，RB控制单元（108）执行控制以随时间改变每个RB组中包括的RB的组合。调度部（110）根据参考信号的接收质量，执行向RB组中的每个RB分配多个移动台中的每一个的调度。

70. 发明授权

US08472558B2 Radio transmission device and radio transmission method 有权
标题翻译：无线传输设备和无线传输方式
公开(公告)号：US08472558B2
公开(公告)日：2013-06-25
申请号：US12524689
申请日：2008-01-30
申请人： Yoshihiko Ogawa , Daichi Imamura , Sadaki Futagi , Atsushi Matsumoto , Takashi Iwai
发明人： Yoshihiko Ogawa , Daichi Imamura , Sadaki Futagi , Atsushi Matsumoto , Takashi Iwai
IPC分类号： H03C1/52 , H04L27/04
CPC分类号： H04L25/0226 , H04J13/0059 , H04J13/22
摘要： It is possible to provide a radio transmission device and a radio transmission method which can avoid degradation of a channel estimation accuracy using a reference signal formed by a ZC sequence even when the RS transmission band of a local cell is different from that of an adjacent cell. A mobile station decides a cyclic shift sequence corresponding to RB allocation information from an RS table which correlates different frequency bandwidths from a reference point of respective transmission bands to a spectrum start number of the cyclic shift sequence so as to satisfy a particular relationship based on the sequence length and transmits the decided cyclic shift sequence as RS to a base station. The base station uses the same RS table as the RS table of the mobile station and performs correlation calculation of the RS transmitted from the mobile station, thereby performing channel estimation.
摘要翻译：可以提供一种无线传输装置和无线传输方法，即使当本地小区的RS传输频带与相邻小区的RS传输频带不同时，也可以使用由ZC序列形成的参考信号来降低信道估计精度的劣化。移动台从RS表中确定与RB分配信息相对应的循环移位序列，该RS表把不同的频带宽度从各个传输频带的参考点相关到循环移位序列的频谱起始号，从而满足基于序列长度，并将所确定的循环移位序列作为RS发送到基站。基站使用与移动站的RS表相同的RS表，对从移动台发送的RS进行相关运算，进行信道估计。

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