公开(公告)号：EP2653007A4

公开(公告)日：2016-01-20

申请号：EP10860701

申请日：2010-12-13

Applicant: ERICSSON TELEFON AB L M

Inventor： LU SHAN ,  SHEN YONG ,  SU YOUPING ,  ZHANG CHUNHUI

IPC: H04W88/08 ,  H04J3/06 ,  H04W56/00

CPC classification number: H04J3/06 ,  H04W56/00

公开(公告)号：EP2745406A4

公开(公告)日：2015-05-13

申请号：EP11875305

申请日：2011-11-10

Applicant: ERICSSON TELEFON AB L M

Inventor： GUO ZHIHENG ,  MIAO QINGYU ,  SU YOUPING

IPC: H04B1/00

CPC classification number: H04B1/44 ,  H04B1/525 ,  H04W24/08

Abstract: The present invention relates to a method for controlling performance in a radio base station communicating in a Time Division Duplex (TDD) mode in a cellular network. The radio base station has a transceiver comprising a transmitter part, a receiver part, and an antenna, the antenna being alternately connectable to the transmitter part and the receiver part. The method comprises: estimating, at the receiver part, a leakage signal in the receiver part, the leakage signal originating from a local oscillator of the transmitter part; and removing, at the receiver part, the estimated leakage signal from a received uplink signal. The present invention also relates to a corresponding radio base station.

公开(公告)号：EP2692183A4

公开(公告)日：2015-11-25

申请号：EP11862380

申请日：2011-03-31

Applicant: ERICSSON TELEFON AB L M

Inventor： ZHANG YANG ,  SIOMINA IANA ,  SU YOUPING ,  ZHANG CHUNHUI

IPC: H04W64/00 ,  G01S5/02 ,  G01S5/06 ,  H04W56/00

CPC classification number: H04W56/0075 ,  G01S5/021 ,  G01S5/0221 ,  G01S5/06 ,  H04W56/0055 ,  H04W64/00

公开(公告)号：EP2409429A4

公开(公告)日：2014-07-23

申请号：EP09841596

申请日：2009-10-21

Applicant: ERICSSON TELEFON AB L M

Inventor： MIAO QINGYU ,  XIAO LEI ,  ZHU HUAISONG ,  SU YOUPING

IPC: H04B7/216 ,  H04B7/06 ,  H04B10/2575 ,  H04L1/00 ,  H04W88/08

CPC classification number: H04B7/0617 ,  H04B10/25 ,  H04W28/18 ,  H04W84/042

公开(公告)号：EP2896137A4

公开(公告)日：2016-04-13

申请号：EP12884534

申请日：2012-09-13

Applicant: ERICSSON TELEFON AB L M

Inventor： CHEN JIA ,  SU YOUPING ,  WEI MIN

IPC: H04B7/04

CPC classification number: H04B1/48 ,  H01Q3/267 ,  H04B1/56 ,  H04B7/04 ,  H04B17/12 ,  H04B17/14 ,  H04B17/21

Abstract: Method and apparatus for antenna calibration have been disclosed. A radio unit (510) is provided. The radio unit (510) may comprise: a plurality of transmit/receive (TX/RX) paths; a plurality of radio frequency (RF) ports (512) connected with the plurality of TX/RX paths; and a coupling unit (516), coupled with the plurality of TX/RX paths and configured to inject an uplink (UL) calibration signal (550) into at least one of the plurality of TX/RX paths and extract a downlink (DL) calibration signal (540) from at least one of the plurality of TX/RX paths. A normal TX/RX path may be reused both for antenna calibration and antenna supervision. Thus, a low cost hardware solution for antenna calibration is provided. An AIR base station (500) comprising such radio unit (510) is also provided.

公开(公告)号：EP2502370A4

公开(公告)日：2014-01-01

申请号：EP09850493

申请日：2009-10-19

Applicant: ERICSSON TELEFON AB L M

Inventor： SU YOUPING ,  MIAO QINGYU ,  ZHANG CHUNHUI

IPC: H04L27/36 ,  H04B1/40

CPC classification number: H04B1/40 ,  H04L25/03012 ,  H04L27/368 ,  H04L2025/0377

公开(公告)号：EP2567583A4

公开(公告)日：2013-11-06

申请号：EP10850931

申请日：2010-05-06

Applicant: ERICSSON TELEFON AB L M

Inventor： ZHANG CHUNHUI ,  OESTERLING JACOB ,  SU YOUPING

IPC: H04W56/00

CPC classification number: H04W56/0035 ,  H04W56/0045

公开(公告)号：EP2783537A4

公开(公告)日：2015-07-22

申请号：EP11876156

申请日：2011-11-21

Applicant: ERICSSON TELEFON AB L M

Inventor： ZHANG YANG ,  SU YOUPING ,  ZHANG CHUNHUI

IPC: G01S5/00 ,  G01S5/02 ,  G01S5/10 ,  H04W64/00

CPC classification number: G01S5/0289 ,  G01S5/0036 ,  G01S5/0081 ,  G01S5/0263 ,  G01S5/10 ,  H04W64/00

公开(公告)号：CA2952062C

公开(公告)日：2020-09-08

申请号：CA2952062

申请日：2014-06-16

Applicant: ERICSSON TELEFON AB L M

Inventor： SU YOUPING ,  LI MING

IPC: H04W88/06 ,  H04W88/08

Abstract: Embodiments provides a radio network entity and the method thereof for improving filtering performance in a time division duplexing radio communication system, the radio network entity comprises: a first filter, which is configured to perform a first type of filtering for a signal to be transmitted to, or received from a device in the radio communication system through a radio interface, with a common filtering requirement for transmitting and receiving fulfilled,a second filter, which is configured to perform a second type of filtering for the signal to be transmitted to the device, with additional filtering requirement for transmitting besides the common filtering requirement fulfilled; and a third filter, which is configured to perform a third type of filtering for the signal received from the device, with additional filtering requirement for receiving besides the common filtering requirement fulfilled.

公开(公告)号：AU2014398168B2

公开(公告)日：2018-07-26

申请号：AU2014398168

申请日：2014-06-16

Applicant: ERICSSON TELEFON AB L M

Inventor： SU YOUPING ,  LI MING

IPC: H04W88/06 ,  H04W88/08

Abstract: Embodiments provides a radio network entity and the method thereof for improving filtering performance in a time division duplexing radio communication system, the radio network entity comprises: a first filter, which is configured to perform a first type of filtering for a signal to be transmitted to, or received from a device in the radio communication system through a radio interface, with a common filtering requirement for transmitting and receiving fulfilled,a second filter, which is configured to perform a second type of filtering for the signal to be transmitted to the device, with additional filtering requirement for transmitting besides the common filtering requirement fulfilled; and a third filter, which is configured to perform a third type of filtering for the signal received from the device, with additional filtering requirement for receiving besides the common filtering requirement fulfilled.