公开(公告)号：EP2920888A4

公开(公告)日：2016-08-03

申请号：EP12888370

申请日：2012-11-16

Applicant: ERICSSON TELEFON AB L M

Inventor： JOHANSSON NIKLAS ,  WANG YI-PIN ERIC ,  GRANT STEPHEN ,  HE NING ,  SAMUEL BEBAWY MICHAEL

IPC: H04B1/709

CPC classification number: H04B1/709

公开(公告)号：EP2880948A4

公开(公告)日：2016-01-13

申请号：EP13825040

申请日：2013-07-30

Applicant: ERICSSON TELEFON AB L M

Inventor： WANG YI-PIN ERIC ,  GRANT STEPHEN ,  RAMOS EDGAR ,  HÖGLUND ANDREAS ,  MIAO QINGYU

IPC: H04W72/08 ,  H04B7/02 ,  H04L5/00 ,  H04W16/24 ,  H04W16/32 ,  H04W24/10 ,  H04W28/08 ,  H04W36/18 ,  H04W52/14 ,  H04W52/24 ,  H04W52/32 ,  H04W52/38 ,  H04W72/04 ,  H04W76/02 ,  H04W84/04 ,  H04W92/12

CPC classification number: H04W36/32 ,  H04B7/022 ,  H04W16/32 ,  H04W52/146 ,  H04W52/242 ,  H04W52/283 ,  H04W52/325 ,  H04W52/386 ,  H04W76/025 ,  H04W84/045

Abstract: There is provided a method of operating a network node in a communication network, the communication network comprising a mobile device, a first base station and a second base station, the first base station having a lower transmission power than the second base station and being located within the coverage area of the second base station, the mobile device being located within an imbalanced region between the first base station and the second base station and being served by the first base station, the method in the network node comprising configuring the mobile device, the first base station and the second base station such that the mobile device transmits uplink data to the first base station, and the mobile device receives downlink data only from the second base station. Corresponding methods are provided for operating a mobile device and a second base station. A network node, mobile device and second base station are also provided that are configured to perform the respective operating methods.

公开(公告)号：EP2742601A4

公开(公告)日：2015-02-25

申请号：EP12834956

申请日：2012-06-13

Applicant: ERICSSON TELEFON AB L M

Inventor： WANG YI-PIN ERIC ,  GRANT STEPHEN ,  HE NING ,  JOHANSSON NIKLAS ,  SAMUEL BEBAWY MICHAEL

IPC: H04B1/7107 ,  H04B1/712

CPC classification number: H04W72/1278 ,  H04B1/71075 ,  H04B1/712 ,  H04W72/082

公开(公告)号：EP1875623A4

公开(公告)日：2012-09-12

申请号：EP06733446

申请日：2006-04-13

Applicant: ERICSSON TELEFON AB L M

Inventor： WANG YI-PIN ERIC ,  CHENG JUNG-FU

IPC: H04B1/7105 ,  H04J13/00 ,  H04L1/18

CPC classification number: H04J13/20 ,  H04B1/7105 ,  H04B1/71052 ,  H04B1/71055 ,  H04B1/71072 ,  H04J13/0044 ,  H04L25/03305

公开(公告)号：EP1938473A4

公开(公告)日：2010-10-06

申请号：EP06799839

申请日：2006-10-05

Applicant: ERICSSON TELEFON AB L M

Inventor： GRANT STEPHEN ,  CHENG JUNG-FU THOMAS ,  WANG YI-PIN ERIC ,  MOLNAR KARL ,  KRASNY LEONID

IPC: H04B7/06 ,  H04B1/707 ,  H04B7/08

CPC classification number: H04B7/0645 ,  H04B1/71072 ,  H04B1/712 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0632 ,  H04B7/0689 ,  H04B7/0691 ,  H04B7/0697 ,  H04B7/0891 ,  H04L1/06

公开(公告)号：EP2915386A4

公开(公告)日：2015-10-21

申请号：EP13850189

申请日：2013-08-15

Applicant: ERICSSON TELEFON AB L M

Inventor： VON WRYCZA PETER ,  SAMUEL BEBAWY MICHAEL ,  WANG YI-PIN ERIC ,  LARSSON ERIK

IPC: H04W52/40 ,  H04W52/14 ,  H04W52/24 ,  H04W52/34 ,  H04W52/36 ,  H04W52/58

CPC classification number: H04W52/346 ,  H04W52/146 ,  H04W52/241 ,  H04W52/244 ,  H04W52/36 ,  H04W52/40 ,  H04W52/58

公开(公告)号：EP2823570A4

公开(公告)日：2015-08-12

申请号：EP13757913

申请日：2013-01-15

Applicant: ERICSSON TELEFON AB L M

Inventor： WANG YI-PIN ERIC ,  REIAL ANDRES ,  GRANT STEPHEN ,  RAMOS EDGAR ,  PARKVALL STEFAN

IPC: H04B1/7107 ,  H04B1/10 ,  H04J11/00

CPC classification number: H04W24/02 ,  H04B1/10 ,  H04B1/7097 ,  H04J11/005 ,  H04W28/0236 ,  H04W28/042 ,  H04W40/16 ,  H04W52/0238 ,  H04W72/082 ,  H04W74/0841 ,  Y02D70/00 ,  Y02D70/1262

Abstract: In MU-MIMO scenarios, a target terminal can be exposed to data streams intended for other terminals. If the target terminal is capable of interference cancellation, then a network node, such as a base station or RNC, can provide the target terminal with interference information so that the target terminal can efficiently cancel interferences due to these interfering data streams. The interference information may include one or more interfering configuration, each of which characterizes a related interfering data stream. The interference information can also include the identity of the other terminal that is the intended recipient of the interfering stream. The network node may determine whether the target terminal can benefit from the interference information. If so, the network node can provide the interference information to the target terminal.

公开(公告)号：EP2745405A4

公开(公告)日：2015-04-08

申请号：EP13781543

申请日：2013-03-12

Applicant: ERICSSON TELEFON AB L M

Inventor： SAMUEL BEBAWY MICHAEL ,  HUSS FREDRIK ,  WANG YI-PIN ERIC

IPC: H04L25/03 ,  H04L1/00

CPC classification number: H04L25/03012 ,  H04L1/005 ,  H04L25/03171 ,  H04L25/0328 ,  H04L27/38

Abstract: In one aspect, the present invention improves Turbo equalization and/or soft interference cancellation processing in communication receivers by providing an efficient and accurate technique to compute the second moment of a received symbol, e.g., an interfering symbol, as a function of the expected bit values of only those bits in the symbol that are magnitude-controlling bits according to a defined modulation constellation. Advantageously, the expected bit values in at least one embodiment are computed using a LUT that maps bit LLRs to corresponding hyperbolic tangent function values. Further, the expected symbol value is computed as a linear function of terms comprising the expected bit values and the soft symbol variance is efficiently computed from the second moment and the expected symbol value squared. This simplified processing reduces receiver complexity, particularly in the context of modulation constellations having non-constant magnitudes, and thus saves power and/or improves design economics.

公开(公告)号：EP2823576A4

公开(公告)日：2015-03-25

申请号：EP13758398

申请日：2013-02-27

Applicant: ERICSSON TELEFON AB L M

Inventor： WANG YI-PIN ERIC ,  REIAL ANDRES ,  RAMOS EDGAR ,  DAHLMAN ERIK ,  BERGMAN JOHAN ,  PARKVALL STEFAN ,  GRANT STEPHEN

IPC: H04B7/04 ,  H04B1/10

CPC classification number: H04W24/02 ,  H04B1/10 ,  H04B1/7097 ,  H04J11/005 ,  H04W28/0236 ,  H04W28/042 ,  H04W40/16 ,  H04W52/0238 ,  H04W72/082 ,  H04W74/0841 ,  Y02D70/00 ,  Y02D70/1262

Abstract: In MU-MIMO scenarios, a target terminal can be exposed to data streams intended for other terminals. If the target terminal is capable of interference cancellation, then a network node, such as a base station or RNC, can provide the target terminal with interference information so that the target terminal can efficiently cancel interferences due to these interfering data streams. The interference information may include one or more interfering configuration, each of which characterizes a related interfering data stream. The interference information can also include the identity of the other terminal that is the intended recipient of the interfering stream. The network node may determine whether the target terminal can benefit from the interference information. If so, the network node can provide the interference information to the target terminal.

公开(公告)号：EP2417706A4

公开(公告)日：2014-11-26

申请号：EP10761938

申请日：2010-04-09

Applicant: ERICSSON TELEFON AB L M

Inventor： RINGSTRÖM MARKUS ,  MOQVIST PÄR ,  WANG YI-PIN ERIC

IPC: H04B1/7103 ,  H04B1/10 ,  H04B1/707

CPC classification number: H04B1/7103 ,  H04B2201/70705 ,  H04B2201/70707 ,  H04W24/00