公开(公告)号：US20190261403A1

公开(公告)日：2019-08-22

申请号：US16400271

申请日：2019-05-01

Applicant: Sun Patent Trust

Inventor： Atsushi SUMASU ,  Shozo OKASAKA ,  Shinsuke TAKAOKA ,  Seigo NAKAO ,  Daichi IMAMURA

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00

Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.

公开(公告)号：US20230276378A1

公开(公告)日：2023-08-31

申请号：US18313986

申请日：2023-05-08

Applicant: Sun Patent Trust

Inventor： Shinsuke TAKAOKA ,  Hidetoshi SUZUKI ,  Akihiko NISHIO ,  Takashi IWAI

IPC: H04W52/36 ,  H04W52/34 ,  H04W52/42 ,  H04W52/30 ,  H04L5/00 ,  H04W28/02

CPC classification number: H04W52/367 ,  H04W52/346 ,  H04W52/42 ,  H04W52/30 ,  H04L5/005 ,  H04W28/0268 ,  H04W52/146

Abstract: Provided are a wireless communication terminal device and a power allocation method, wherein transmission channel quality information, regarding a Pcell having a high probability that UCI is multiplied therein, can be accurately estimated by an SRS having high priority in power allocation, and an eNB can instruct appropriate transmission power to an UL channel which transmits the subsequent UCI. A power scaling detection unit detects whether or not a total transmission power value of the UL channels transmitted by the plurality of CC exceeds the maximum transmission power specific to the UE. When a plurality of SRS are simultaneously transmitted using a Pcell and a Scell, and power scaling occurs, a power scaling control unit performs power allocation so that transmission power of the SRS of the Pcell has the higher priority than that of the SRS of the Scell.

公开(公告)号：US20190254035A1

公开(公告)日：2019-08-15

申请号：US16395454

申请日：2019-04-26

Applicant: Sun Patent Trust

Inventor： Shinsuke TAKAOKA ,  Takashi IWAI

IPC: H04W72/04 ,  H04L5/00 ,  H04W52/36 ,  H04W52/16 ,  H04W52/24 ,  H04W52/26 ,  H04W52/14

CPC classification number: H04W72/0473 ,  H04L1/0031 ,  H04L1/1607 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0094 ,  H04W52/146 ,  H04W52/16 ,  H04W52/242 ,  H04W52/262 ,  H04W52/34 ,  H04W52/365 ,  H04W52/367 ,  H04W72/042

Abstract: Provided is an integrated circuit that calculates a power headroom (PHR) and that can preclude the recognition mismatch in which the reference formats of different UL grants are recognized between a wireless communication terminal apparatus and a wireless communication base station apparatus. For the PHR calculation of a PUSCH in a CC in which no UL grant is present, a UL grant, which was used for calculating the PHR in another CC having the same subframe number as the PUSCH, is used. For example, as to a subframe number=#1, the UL grant of CC #0 is used for calculating the PHR of CC #2 in which no UL grant is present.

公开(公告)号：US20240314701A1

公开(公告)日：2024-09-19

申请号：US18671468

申请日：2024-05-22

Applicant: Sun Patent Trust

Inventor： Takashi IWAI ,  Daichi IMAMURA ,  Akihiko NISHIO ,  Yoshihiko OGAWA ,  Shinsuke TAKAOKA

IPC: H04W52/24 ,  H04L5/00 ,  H04W52/14 ,  H04W52/16 ,  H04W52/32 ,  H04W72/044

CPC classification number: H04W52/241 ,  H04L5/0048 ,  H04L5/0051 ,  H04W52/146 ,  H04W52/16 ,  H04W52/325 ,  H04W72/0473

Abstract: Disclosed is a wireless communication device that can suppress an increase in power consumption of a terminal while preventing the degradation of SINR measurement precision resulting from TPC errors in a base station. A terminal controls the transmission power of a second signal by adding an offset to the transmission power of a first signal; an offset-setting unit sets an offset correction value in response to a transmission time gap between a third signal transmitted the previous time and the second signal transmitted this time; and a transmission power control unit controls the transmission power of the second signal using the correction value.

公开(公告)号：US20170086200A1

公开(公告)日：2017-03-23

申请号：US15372563

申请日：2016-12-08

Applicant: Sun Patent Trust

Inventor： Shinsuke TAKAOKA ,  Takashi IWAI

IPC: H04W72/04 ,  H04W52/14 ,  H04W52/36

CPC classification number: H04W72/0473 ,  H04L1/0031 ,  H04L1/1607 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0094 ,  H04W52/146 ,  H04W52/16 ,  H04W52/242 ,  H04W52/262 ,  H04W52/34 ,  H04W52/365 ,  H04W52/367 ,  H04W72/042

Abstract: Provided is an integrated circuit that calculates a power headroom (PHR) and that can preclude the recognition mismatch in which the reference formats of different UL grants are recognized between a wireless communication terminal apparatus and a wireless communication base station apparatus. For the PHR calculation of a PUSCH in a CC in which no UL grant is present, a UL grant, which was used for calculating the PHR in another CC having the same subframe number as the PUSCH, is used. For example, as to a subframe number=#1, the UL grant of CC #0 is used for calculating the PHR of CC #2 in which no UL grant is present.

公开(公告)号：US20170070964A1

公开(公告)日：2017-03-09

申请号：US15355169

申请日：2016-11-18

Applicant: Sun Patent Trust

Inventor： Takashi IWAI ,  Daichi IMAMURA ,  Akihiko NISHIO ,  Yoshihiko OGAWA ,  Shinsuke TAKAOKA

IPC: H04W52/32 ,  H04L5/00 ,  H04W52/14

CPC classification number: H04W52/241 ,  H04L5/0048 ,  H04L5/0051 ,  H04W52/146 ,  H04W52/16 ,  H04W52/325 ,  H04W72/0473

Abstract: Disclosed is a wireless communication device that can suppress an increase in power consumption of a terminal while preventing the degradation of SINR measurement precision resulting from TPC errors in a base station. A terminal controls the transmission power of a second signal by adding an offset to the transmission power of a first signal; an offset-setting unit sets an offset correction value in response to a transmission time gap between a third signal transmitted the previous time and the second signal transmitted this time; and a transmission power control unit controls the transmission power of the second signal using the correction value.

Abstract translation: 本发明公开了一种无线通信装置，其能够抑制基站中的TPC误差引起的SINR测量精度的劣化，能够抑制终端的功耗的增加。 终端通过向第一信号的发送功率添加偏移来控制第二信号的发送功率; 偏移设定单元响应于在前一次发送的第三信号与此次发送的第二信号之间的传输时间间隔来设置偏移校正值; 发送功率控制单元使用校正值来控制第二信号的发送功率。