公开(公告)号：US20180343621A1

公开(公告)日：2018-11-29

申请号：US16052318

申请日：2018-08-01

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Sung-Hyuk Shin ,  Donald M. Grieco ,  Robert L. Olesen

IPC: H04W52/26 ,  H04L5/00 ,  H04W52/28 ,  H04W52/24 ,  H04W52/08 ,  H04W52/14 ,  H04W52/10

Abstract: A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback.

公开(公告)号：US20180254856A1

公开(公告)日：2018-09-06

申请号：US15972973

申请日：2018-05-07

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Robert L. Olesen ,  Eldad M. Zeira ,  Peter J. Voltz ,  Yongwen E. Yang ,  Qingyuan Dai ,  Chang-Soo Koo ,  I-Tai Lu ,  KunJu Tsai

IPC: H04L1/06 ,  H04B7/06 ,  H04B7/0456 ,  H04B17/336 ,  H04L1/00 ,  H04W84/12

CPC classification number: H04L1/0643 ,  H04B7/0456 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0669 ,  H04B7/0697 ,  H04B7/0837 ,  H04B7/0891 ,  H04B17/336 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0606 ,  H04L1/0625 ,  H04L1/0631 ,  H04L27/2626 ,  H04L27/2647 ,  H04W84/12

Abstract: A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An MCS for each data stream is selected independently. The spatial streams are transmitted via multiple transmit antennas. At least one of the techniques of space time block coding (STBC), space frequency block coding (SFBC), quasi-orthogonal Alamouti coding, time reversed space time block coding, linear spatial processing and cyclic delay diversity (CDD) may be performed on the data/spatial streams. An antennal mapping matrix may then be applied to the spatial streams. The spatial streams are transmitted via multiple transmit antennas. The MCS for each data stream may be determined based on a signal-to-noise ratio of each spatial stream associated with the data stream.

公开(公告)号：US20170195084A1

公开(公告)日：2017-07-06

申请号：US15401924

申请日：2017-01-09

Applicant: InterDigital Technology Corporation

Inventor： Jaeyoung Kwak ,  Chang-Soo Koo ,  Robert L. Olesen ,  Aykut Bultan ,  Fatih Ozluturk

IPC: H04L1/06 ,  H04L27/26 ,  H04B7/06 ,  H04B7/0413

CPC classification number: H04L1/0606 ,  H04B7/0408 ,  H04B7/0413 ,  H04B7/0697 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/04 ,  H04L5/0007 ,  H04L25/0248 ,  H04L27/2601 ,  H04L27/2626 ,  H04L27/2647

Abstract: A method and apparatus for combining space-frequency block coding (SFBC) in a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system is described herein. A transmitter, according to one embodiment, may include four antennas and circuitry configured to transmit in an OFDM symbol time period using both frequency diversity and SFBC. For frequency diversity at least one first data element may be repeated producing at least two second data elements and the two second data elements are transmitted using different subcarriers. For space frequency block coding, a pair of third data elements may be space frequency block coded producing four fourth data elements. The four fourth data elements may be transmitted using two subcarriers and only two of the four antennas.

公开(公告)号：US09641290B2

公开(公告)日：2017-05-02

申请号：US15018227

申请日：2016-02-08

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Robert L. Olesen ,  Jin Wang ,  Arty Chandra

IPC: H04L1/18 ,  G08C25/02 ,  H04B7/0413 ,  H04B7/06 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04

Abstract: A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs).

公开(公告)号：US09621251B2

公开(公告)日：2017-04-11

申请号：US14599651

申请日：2015-01-19

Applicant: InterDigital Technology Corporation

Inventor： Robert L. Olesen ,  Eldad M. Zeira ,  Peter J. Voltz ,  Yongwen E. Yang ,  Qingyuan Dai ,  Chang-Soo Koo ,  I-Tai Lu ,  KunJu Tsai

IPC: H04W4/00 ,  H04B7/08 ,  H04L1/00 ,  H04L1/06 ,  H04L27/26 ,  H04B7/06 ,  H04W84/12

CPC classification number: H04L1/0643 ,  H04B7/0456 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0669 ,  H04B7/0697 ,  H04B7/0837 ,  H04B7/0891 ,  H04B17/336 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0606 ,  H04L1/0625 ,  H04L1/0631 ,  H04L27/2626 ,  H04L27/2647 ,  H04W84/12

Abstract: A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An MCS for each data stream is selected independently. The spatial streams are transmitted via multiple transmit antennas. At least one of the techniques of space time block coding (STBC), space frequency block coding (SFBC), quasi-orthogonal Alamouti coding, time reversed space time block coding, linear spatial processing and cyclic delay diversity (CDD) may be performed on the data/spatial streams. An antennal mapping matrix may then be applied to the spatial streams. The spatial streams are transmitted via multiple transmit antennas. The MCS for each data stream may be determined based on a signal-to-noise ratio of each spatial stream associated with the data stream.

公开(公告)号：US09608772B2

公开(公告)日：2017-03-28

申请号：US15061703

申请日：2016-03-04

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Jaeyoung Kwak ,  Robert L. Olesen ,  Aykut Bultan ,  Eldad M. Zeira ,  Changsoo Koo ,  Fatih M. Ozluturk ,  Yuejin Huang ,  Kalpendu R. Pasad

IPC: H04B7/08 ,  H04L1/06 ,  H04B7/0417 ,  H04B7/06 ,  H04L1/00 ,  H04L27/26 ,  H04L27/156 ,  H04L5/00

CPC classification number: H04L1/0606 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/0632 ,  H04B7/066 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/006 ,  H04L27/156 ,  H04L27/2626 ,  H04L2027/0046 ,  Y02B70/30 ,  Y02D50/10

Abstract: The present invention is related to a method and apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system. The present invention is applicable to both a closed loop mode and an open loop mode. In the closed loop mode, power loading and eigen-beamforming are performed based on channel state information (CSI). A channel coded data stream is multiplexed into two or more data streams. Power loading is performed based on the CSI on each of the multiplexed data streams. SFBC encoding is performed on the data streams for each of the paired subcarriers. Then, eigen-beamforming is performed based on the CSI to distribute eigenbeams to multiple transmit antennas. The power loading may be performed on two or more SFBC encoding blocks or on each eigenmodes. Additionally, the power loading may be performed across subcarriers or subcarrier groups for weak eigenmodes.

公开(公告)号：US09564996B2

公开(公告)日：2017-02-07

申请号：US15018227

申请日：2016-02-08

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Robert L. Olesen ,  Jin Wang ,  Arty Chandra

IPC: H04L1/18 ,  G08C25/02 ,  H04L1/16 ,  H04W72/04 ,  H04L5/00 ,  H04B7/04 ,  H04B7/06

Abstract: A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs).

公开(公告)号：US20150201381A1

公开(公告)日：2015-07-16

申请号：US14669805

申请日：2015-03-26

Applicant: InterDigital Technology Corporation

Inventor： Sung-Hyuk Shin ,  Zinan Lin ,  Donald M. Grieco ,  Robert L. Olesen

IPC: H04W52/10 ,  H04W52/14

CPC classification number: H04W52/242 ,  H04L1/1812 ,  H04W52/06 ,  H04W52/08 ,  H04W52/10 ,  H04W52/146 ,  H04W76/28

Abstract: A method and apparatus are disclosed comprising a combined open loop/closed loop uplink power control scheme for E-UTRA. The combined open and closed loop method for UL intra-cell PC controls the wireless transmit receive unit (WTRU) transmit power spectral density (PSD), PSDTx, (e.g. power per RB).

Abstract translation: 公开了一种用于E-UTRA的组合开环/闭环上行链路功率控制方案的方法和装置。 用于UL小区内PC的组合的开环和闭环方法控制无线发射接收单元（WTRU）发射功率谱密度（PSD），PSDTx（例如每RB的功率）。

公开(公告)号：US20140362833A1

公开(公告)日：2014-12-11

申请号：US14467880

申请日：2014-08-25

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

Inventor： Stephen E. Terry ,  Robert L. Olesen ,  Jin Wang ,  Arty Chandra

IPC: H04L5/00 ,  H04W72/04 ,  H04L1/18

CPC classification number: H04L1/1861 ,  H04B7/0413 ,  H04B7/0632 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1887 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/08

Abstract: A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs).

Abstract translation: 一种方法和装置可以用于支持每个传输时间间隔（TTI）的多个混合自动重复请求（H-ARQ）过程。 发射机和接收机可以包括多个H-ARQ过程。 每个H-ARQ过程可以每TTI发送和接收一个TB。 发射机可以生成多个TB并将每个TB分配给H-ARQ过程。 发射机可以发送每个TB的控制信息，其可以包括具有TB的H-ARQ信息相关联的TB。 发射机可以使用每个TTI同时使用相关的H-ARQ过程来发送TB。 在接收到TB之后，接收机可以向H-ARQ进程和相关联的TB中的每一个发送反馈，指示每个TB到发射机的成功或不成功的接收。 可以将多个TB的反馈组合用于同时发送的H-ARQ过程（即，TB）。

公开(公告)号：US08644876B2

公开(公告)日：2014-02-04

申请号：US13647062

申请日：2012-10-08

Applicant: Interdigital Technology Corporation

Inventor： Sung-Hyuk Shin ,  Donald M. Grieco ,  Robert L. Olesen

IPC: H04B7/00

CPC classification number: H04W52/262 ,  H04L5/0057 ,  H04W52/08 ,  H04W52/10 ,  H04W52/146 ,  H04W52/241 ,  H04W52/242 ,  H04W52/243 ,  H04W52/246 ,  H04W52/265 ,  H04W52/286

Abstract: A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback.

Abstract translation: 公开了一种组合开环和闭环（基于信道质量指示符（CQI））的发射功率控制（TPC）方案，其具有用于长期演进（LTE）无线发射/接收单元（WTRU）的干扰减轻。 基于目标信号与干扰噪声比（SINR）和路径损耗值来导出WTRU的发射功率。 路径损耗值属于来自服务演进节点B（eNodeB）的下行链路信号，并且包括阴影。 服务eNodeB的干扰和噪声值包括在发射功率推导中，以及用于调整下行链路（DL）参考信号功率和实际发射功率的偏移常数值。 还基于CQI反馈的可用性来使用加权因子。