公开(公告)号：US20170111850A1

公开(公告)日：2017-04-20

申请号：US15126550

申请日：2014-05-30

Applicant: Panasonic Corporation

Inventor： Shozo OKASAKA ,  Takayuki SOTOYAMA ,  Seigo NAKAO

IPC: H04W48/10 ,  H04W74/08 ,  H04L7/00 ,  H04W16/28

CPC classification number: H04W48/10 ,  H04L7/0091 ,  H04W16/28 ,  H04W48/08 ,  H04W74/0833 ,  H04W76/10

Abstract: In order to shorten the time in which an initial connection is established when switching directivity and then performing the initial connection, a frame timing control unit sets, until detection of an RACH signal, a transmission timing of a transmission frame for transmitting a search signal and a broadcast signal and also sets a reception-start timing for starting the reception of the corresponding RACH signal. A search/broadcast signal generation unit generates the broadcast signal and the search signal including reception-timing information. A beam directivity control unit sets, for a predetermined time starting from the reception-start timing, a directivity pattern such that the directivity is in the same direction as the directivity pattern for the corresponding transmission-timing information, whereby the beam directivity control unit controls a beam directivity operation unit.

公开(公告)号：US20140211715A1

公开(公告)日：2014-07-31

申请号：US14227987

申请日：2014-03-27

Applicant: PANASONIC CORPORATION

Inventor： Yoshihiko OGAWA ,  Akihiko NISHIO ,  Daichi IMAMURA ,  Seigo NAKAO ,  Masayuki HOSHINO ,  Takashi IWAI ,  Sadaki FUTAGI

IPC: H04W72/04

CPC classification number: 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

Abstract: A wireless communication base station device, terminal device, and method have reduced signaling while maintaining high scheduling gain. A judgment unit pre-stores 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, and the maximum value for the number of clusters that is output by the judgment unit, a scheduling unit 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.

Abstract translation: 无线通信基站装置，终端装置和方法在维持高调度增益的同时减少了信令。 判断单元预先存储代码字数与簇数之间的对应关系，以减少分配给每个终端的簇的数量的最大值，因为码字数增加，从而确定数字的最大值 基于所获取的代码字的数量。 基于来自终端的发送信号的码字的数量，接收质量的估计值和由判断单元输出的群集数的最大值，调度单元调度发送信号的分配 由每个终端发送到传输频带频率（频率资源），以便不超过簇的数量的最大值。

公开(公告)号：US20140098764A1

公开(公告)日：2014-04-10

申请号：US14091164

申请日：2013-11-26

Applicant: Panasonic Corporation

Inventor： Sadaki FUTAGI ,  Daichi IMAMURA ,  Seigo NAKAO ,  Masayuki HOSHINO ,  Akihiko NISHIO

IPC: H04L5/00

CPC classification number: H04L1/001 ,  H04L1/0004 ,  H04L1/0015 ,  H04L1/0017 ,  H04L1/1812 ,  H04L5/0053 ,  H04L5/0055 ,  H04W72/0413 ,  H04W72/06 ,  H04W72/082

Abstract: Disclosed are an encoding ratio setting method and a radio communication device which can avoid encoding of control information at an encoding ratio lower than necessary and suppress lowering of the transmission efficiency of the control information. In the device, an encoding ratio setting unit (122) sets the encoding ratio R′control of the control information which is time-multiplexed with user data, according to the encoding ratio Rdata of the user data, ΔPUSCHoffset as the PUSCH offset of each control information, and ΔRANKoffset as the rank offset based on the rank value of the data channel using Expression (1). R control ′ = O Q ′ = max ( O ⌈ O 10 - Δ offset PUSCH + Δ offset RANK 10 · R data ⌉ , O 4 · M sc ) ( 1 ) Where ┌x┐ is an integer not greater than x, and max(x,y) is the greater one among X and Y.

Abstract translation: 公开了一种编码比率设定方法和无线通信装置，其可以避免编码率低于必要的编码，并抑制控制信息的传输效率的降低。 在该装置中，编码比设定部（122）根据用户数据的编码比Rdata＆Dgr; PUSCHoffset将与时间复用的控制信息的编码率R'control设置为用户数据作为PUSCH偏移量 以及＆Dgr; RANKoffset作为基于使用表达式（1）的数据信道的秩值的秩偏移。 R control'= OQ'= max（O⌈O 10 - ＆Dgr; offset PUSCH +＆Dgr; offset RANK 10·R data⌉，O 4·M sc）（1）其中┌x┐是不大于x的整数， 并且max（x，y）是X和Y中较大的一个。

公开(公告)号：US20140185562A1

公开(公告)日：2014-07-03

申请号：US14198230

申请日：2014-03-05

Applicant: PANASONIC CORPORATION

Inventor： Ayako HORIUCHI ,  Seigo NAKAO ,  Daichi IMAMURA ,  Akihiko NISHIO

IPC: H04W28/04

CPC classification number: H04W28/044 ,  H04L1/1861 ,  H04L1/1887 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0091 ,  H04W72/042 ,  H04W74/085

Abstract: A CCE+ number allocation method reduces the ACK/NACK (Acknowledgment/Negative Acknowledgment) collision probability in a mixed system containing an LTE (Long Term Evolution) system and an LTE+ (Long Term Evolution Advanced) system. A CCE (Control Channel Element)+ number is defined by selecting a number from CCE numbers of the CCE to contain PDCCH (Physical Downlink Control Channel) allocated in a resource element region constituting CCE+ where PDCCH+ is arranged. This can prevent overlapped selection of the CCE number and the CCE+ number even when the PDCCH and the PDCCH+ are simultaneously transmitted, thus making it possible to reduce the collision probability of ACK/NACK correlated to the CCE number and the CCE+ number.

Abstract translation: CCE +号码分配方法减少了包含LTE（长期演进）系统和LTE +（长期演进高级）系统的混合系统中的ACK / NACK（确认/否定确认）冲突概率。 通过从CCE的CCE号码中选择包含分配在构成CCE +的资源元素区域中的PDCCH（物理下行链路控制信道）的号码来定义CCE（控制信道元素）+号码，其中配置PDCCH +。 这可以防止在同时发送PDCCH和PDCCH +时CCE号和CCE +号的重叠选择，从而可以降低与CCE号和CCE +号相关的ACK / NACK的冲突概率。