公开(公告)号：US10172127B2

公开(公告)日：2019-01-01

申请号：US15517430

申请日：2015-11-04

Applicant: Intel IP Corporation

Inventor： Debdeep Chatterjee ,  Gang Xiong ,  Seunghee Han

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

Abstract: Systems, apparatus, user equipment (UE), evolved node B(eNB), and methods are described for machine-type communications (MTC) with early termination of repeated transmissions. In MTC implementations with narrow bandwidth, significant numbers of retransmissions may be scheduled based on channel quality measurements. If data is successfully decoded at a receiving device while a significant number of retransmissions remain, system resources are wasted. Embodiments described herein thus use downlink control messaging or intermediate hybrid automatic repeat request (HARQ) messaging for early termination of repeated messages.

公开(公告)号：US20180331774A1

公开(公告)日：2018-11-15

申请号：US15770853

申请日：2016-04-01

Applicant: Intel IP Corporation

Inventor： Qiaoyang Ye ,  Hwan-Joon Kwon ,  Seunghee Han ,  Abhijeet Bhorkar ,  Jeongho Jeon

IPC: H04J11/00 ,  H04W16/14 ,  H04W16/10 ,  H04W16/32

CPC classification number: H04J11/0069 ,  H04J2211/005 ,  H04W16/10 ,  H04W16/14 ,  H04W16/32 ,  H04W74/0808

Abstract: A base station for secondary-cell (S-cell) operation in an unlicensed band is subject to listen-before-talk (LBT) rules. The apparatus generates S-cell discovery reference signal (DRS) that includes a primary synchronization signal (PSS) based on a cell ID associated with the base station, a secondary synchronization signal (SSS), a cell-specific reference signal (CRS), and optionally CSI-RS. Solutions are described for generating portions of the DRS to accommodate the placement of the DRS in arbitrary subframes.

公开(公告)号：US10122509B2

公开(公告)日：2018-11-06

申请号：US15392826

申请日：2016-12-28

Applicant: Intel IP Corporation

Inventor： Seunghee Han ,  Dae Jung Yoon ,  Yang Tang

IPC: H04W4/00 ,  H04L5/00

Abstract: In embodiments, apparatuses, methods, and storage media may be described for distinguishing, by a user equipment (UE), a reference signal (RS) transmitted by a cell that may have a same identifier (ID) as another cell in a network. In embodiments, a muting pattern, a time offset, or a virtual cell identifier (VCID) may be used to generate an RS sequence or RS resource allocation.

公开(公告)号：US10070478B2

公开(公告)日：2018-09-04

申请号：US14748802

申请日：2015-06-24

Applicant: Intel IP Corporation

Inventor： Hong He ,  Seunghee Han ,  Jong-Kae Fwu ,  Hwan-Joon Kwon

IPC: H04W76/28 ,  H04L5/00 ,  H04W52/02 ,  H04W76/15

Abstract: Devices and methods of reducing blind decoding attempts of user equipment (UE) suing carrier aggregation are generally described. The UE may determine at least one subframe in a modification period to monitor for a physical downlink control channel (PDCCH) formed in accordance with a Discontinuous Transmission Downlink Control Information (DTX DCI) format. The DTX DCI format may indicate whether the serving cell is in a DTX or non-DTX state. The UE may determine the DTX state of each serving cell from the DTX DCI format and monitor an enhanced PDCCH of each serving cell in the non-DTX state to provide a scheduling assignment for the UE, without monitoring each serving cell in the DTX state. The UE may receive higher layer signaling that indicates a repetition period and subframe offset for DTX DCI format transmissions or a bitmap of the DTX DCI format transmissions for subframes within each modification period.

公开(公告)号：US10064181B2

公开(公告)日：2018-08-28

申请号：US14672118

申请日：2015-03-28

Applicant: INTEL IP CORPORATION

Inventor： Seunghee Han ,  Debdeep Chatterjee ,  Gang Xiong ,  Elmar Wagner

IPC: H04W72/04 ,  H04W4/70 ,  H04W8/18 ,  H04W8/06 ,  H04W4/08 ,  H04B3/54

CPC classification number: H04W72/0453 ,  H04B3/54 ,  H04W4/08 ,  H04W4/70 ,  H04W8/06 ,  H04W8/186 ,  H04W72/04 ,  H04W72/048 ,  H04W72/0486

Abstract: Sub-band allocation techniques for reduced-bandwidth machine-type communication (MTC) devices are described. In one embodiment, for example, user equipment (UE) may comprise logic, at least a portion of which is in hardware, the logic to identify a machine-type communication (MTC) sub-band allocation based on received MTC sub-band allocation information, the MTC sub-band allocation to comprise an allocation of a plurality of subcarriers to an MTC sub-band of a system bandwidth of a serving cell of the UE, the MTC sub-band allocation to define at least one MTC direct current (DC) subcarrier among the plurality of subcarriers, and a radio interface to receive a transmission via the MTC sub-band according to the MTC sub-band allocation. Other embodiments are described and claimed.

公开(公告)号：US20180213418A1

公开(公告)日：2018-07-26

申请号：US15935402

申请日：2018-03-26

Applicant: Intel Corporation ,  Intel IP Corporation

Inventor： Konstantinos D. Dimou ,  Gang Xiong ,  Seunghee Han ,  Hong He

IPC: H04W24/02 ,  H04W74/08 ,  H04W24/08 ,  H04W36/08

CPC classification number: H04W24/02 ,  H04W24/08 ,  H04W36/08 ,  H04W48/12 ,  H04W74/002 ,  H04W74/0833

Abstract: Embodiments of a User Equipment (UE) to operate in accordance with a physical random access channel (PRACH) are disclosed herein. The UE may comprise hardware processing circuitry to determine a coverage enhancement category for the UE based on downlink channel statistics related to reception of downlink signals at the UE from an Evolved Node-B (eNB) and an uplink-downlink imbalance parameter related to uplink reception at the eNB. The hardware processing circuitry may be further to select, for use in a coverage enhancement mode, a PRACH preamble from a set of candidate PRACH preambles based on the determined coverage enhancement category for the UE. In some embodiments, at least some of the candidate PRACH preambles may span a different number of sub-frames.

公开(公告)号：US09961646B2

公开(公告)日：2018-05-01

申请号：US15327167

申请日：2015-08-21

Applicant: Intel IP Corporation

Inventor： Jeongho Jeon ,  Huaning Niu ,  Seunghee Han ,  Hwan-Joon Kwon

IPC: H04W16/14 ,  H04W52/24 ,  H04W52/14 ,  H04W72/12 ,  H04W52/28 ,  H04W72/04 ,  H04W84/12

CPC classification number: H04W52/243 ,  H04B17/345 ,  H04L5/001 ,  H04W16/14 ,  H04W52/143 ,  H04W52/242 ,  H04W52/262 ,  H04W52/267 ,  H04W52/281 ,  H04W52/283 ,  H04W52/34 ,  H04W52/367 ,  H04W52/38 ,  H04W72/0473 ,  H04W72/048 ,  H04W72/1231 ,  H04W84/12

Abstract: An enhanced NodeB (eNB), user equipment (UE) and communication methods therebetween using an unlicensed channel of an unlicensed band are generally described. The eNB measures an interference power level (IPL) of the unlicensed channel at the eNB and determine a transmit power level (TPL) for a downlink transmission based on the IPL, the TPL decreasing with increasing IPL. Feedback including unlicensed channel conditions measured by the UE is used by the eNB to determine the UE-eNB proximity. The eNB determines whether to transmit the downlink transmission to the UE based on the IPL and the proximity; as the IPL increases, the eNB services increasingly proximate UEs until, when the IPL exceeds a predetermined threshold, the eNB does not service any UE using the unlicensed channel. The eNB schedules and transmits the downlink transmission to the UE using the transmit power level.

公开(公告)号：US20180110041A1

公开(公告)日：2018-04-19

申请号：US15573314

申请日：2016-04-01

Applicant: Intel IP Corporation

Inventor： Ralf Matthias Bendlin ,  Gang Xiong ,  Jong-Kae Fwu ,  Hong He ,  Yushu Zhang ,  Seunghee Han ,  Yuan Zhu

IPC: H04W72/04 ,  H04B1/7143 ,  H04L27/26

CPC classification number: H04W72/0413 ,  H04B1/7143 ,  H04L1/0026 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0055 ,  H04L27/2613 ,  H04W72/044

Abstract: Methods and apparatus are described for transmitting uplink control information (UCI) over an OFDMA-based uplink. In some embodiments, UCI symbols are mapped to resource elements (REs) in the time/frequency resource grid to maximize frequency diversity. In some embodiments, UCI is mapped in a manner that takes into account channel estimation performance by mapping UCI symbols to those REs that are closest (in terms of OFDM subcarriers/symbols) to REs that carry reference signals.

公开(公告)号：US20180049114A1

公开(公告)日：2018-02-15

申请号：US15789504

申请日：2017-10-20

Applicant: Intel Corporation and Intel IP Corporation

Inventor： Seunghee Han ,  Alexei Davydov

IPC: H04W48/16 ,  H04B17/27 ,  H04B17/318 ,  H04B17/382

CPC classification number: H04W48/16 ,  H04B17/24 ,  H04B17/27 ,  H04B17/318 ,  H04B17/382 ,  Y02D70/126 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164 ,  Y02D70/21

Abstract: Embodiments of the present disclosure are directed towards devices and methods for discovering and waking up dormant access nodes in cellular networks. In one embodiment, the user equipment may be configured with information to assist in determining a discovery zone of discovery signals transmitted by cells in a network. In some embodiments, the information may include a duration of a discovery zone.

公开(公告)号：US20180027516A1

公开(公告)日：2018-01-25

申请号：US15701090

申请日：2017-09-11

Applicant: Intel Corporation ,  Intel IP Corporation

Inventor： Seunghee Han ,  Gang Xiong ,  Alexei Davydov ,  Jong-Kae Fwu ,  Gi Wan Choi

IPC: H04W56/00 ,  H04L5/00

CPC classification number: H04W56/0045 ,  H04L5/0007 ,  H04L5/0053 ,  H04W56/0015

Abstract: Embodiments of an eNB to operate in accordance with a coverage enhancement mode are disclosed herein. The eNB may comprise hardware processing circuitry to, during a legacy sub-frame, transmit a system information block (SIB) in legacy SIB frequency resources according to a legacy SIB transmission format and refrain from transmission of channel state information reference signals (CSI-RS). The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first portion of the SIB in first SIB frequency resources included in the legacy SIB frequency resources. The hardware processing circuitry may be further to, during a first coverage enhancement sub-frame, transmit a first set of CSI-RS in first CSI-RS frequency resources that include at least a portion of the legacy SIB frequency resources.