公开(公告)号：US20180219709A1

公开(公告)日：2018-08-02

申请号：US15747009

申请日：2016-03-23

Applicant: INTEL IP CORPORATION

Inventor： Sameer Pawar ,  Huaning Niu ,  Utsaw Kumar

IPC: H04L27/26

Abstract: Disclosed are apparatuses for communication devices. An apparatus for a communication device includes control circuitry configured to determine a discrete Fourier transform (DFT) of a constant amplitude zero autocorrelation waveform (CAZAC) sequence appended with zeros in the time domain to generate a frequency domain interpolated CAZAC sequence. The control circuitry is also configured to determine an inverse discrete Fourier transform (IDFT) of the frequency domain interpolated CAZAC sequence to generate a demodulation reference signal (DMRS), and cause the DMRS to be transmitted through a cellular data network. An apparatus for a communication device includes control circuitry configured to perform a Fourier transform on a received DMRS to obtain a resulting signal, and use the resulting signal as a reference to demodulate orthogonal frequency-division multiplexing (OFDM) symbols. The control circuitry is also configured to perform a minimum mean squares estimation (MMSE) channel estimation on the resulting signal.

公开(公告)号：US09967773B2

公开(公告)日：2018-05-08

申请号：US14972890

申请日：2015-12-17

Applicant: Intel IP Corporation

Inventor： Xiaogang Chen ,  Qinghua Li ,  Yuan Zhu ,  Yushu Zhang ,  Huaning Niu

IPC: H04W28/06 ,  H04L1/00

CPC classification number: H04W28/06 ,  H04L1/00 ,  H04L1/0041 ,  H04L1/0067 ,  H04L1/08

Abstract: Methods, computer readable media, and apparatuses for padding and decoding coding for a HE-SIG-B field are disclosed. An apparatus of an access point or station is disclosed. The apparatus is configured to determine a number of symbols of a longest high-efficiency signal B (HE-SIG-B) field of a plurality of HE-SIG-B fields. The processing circuitry may be further configured to encode a plurality of HE-SIG A fields to comprise a number of symbols of a longest HE-SIG-B field of the plurality of HE-SIG-B fields each HE-SIG-A field. The processing circuitry may be further configured to encode each of the HE-SIG-B fields of the plurality of HE-SIG-B fields to comprise a common block and a number of user blocks, and if a number of symbols to encode the common block and the number of user blocks is less than the number of symbols of the longest HE-SIG-B field, encode a duplicate portion.

公开(公告)号：US20180091249A1

公开(公告)日：2018-03-29

申请号：US15564859

申请日：2015-12-21

Applicant: Intel IP Corporation

Inventor： Seunghee Han ,  Gang Xiong ,  Jong-Kae Fwu ,  Huaning Niu ,  Utsaw Kumar

IPC: H04J11/00 ,  H04L27/26 ,  H04L5/00

CPC classification number: H04J11/0076 ,  H04J3/0638 ,  H04L5/0048 ,  H04L5/0094 ,  H04L5/0096 ,  H04L27/2613 ,  H04L27/2692 ,  H04W72/042

Abstract: Devices and methods of using xSS are generally disclosed. A UE receives an xPSS with (Nrep) symbols each with a subcarrier spacing of K x a PSS subcarrier spacing and a duration of a PSS symbol/K. PSD subcarriers surround the xPSS and the ZC sequence is punctured to avoid transmission on a DC subcarrier. Guard subcarriers separate the xPSS and PSD when the ZC sequence is less than the occupied BW of the xPSS and at least one element in the ZC sequence is punctured for xPSS symbol generation otherwise. One or more xSSSs and xS-SCHs may follow the xPSS. The xSS may be omnidirectional, each having a same xPSS and different xSSS or xS-SCH or a different xPSS and same xSSS or xS-SCH or beamformed, each having different xPSSs and xSSSs or xS-SCHs or a same xPSS and different xSSS or xS-SCH.

公开(公告)号：US20180076857A1

公开(公告)日：2018-03-15

申请号：US15564629

申请日：2015-12-23

Applicant: Intel IP Corporation

Inventor： Hyejung Jung ,  Huaning Niu ,  Yuan Zhu ,  Pingping Zong

IPC: H04B7/0408 ,  H04B7/06 ,  H04B7/08

CPC classification number: H04B7/0408 ,  H04B7/0617 ,  H04B7/0695 ,  H04B7/086 ,  H04B7/088 ,  H04W72/005 ,  H04W72/0446

Abstract: An architecture configured to be employed within one or more user equipments (UEs). The architecture includes a communications array and a control component. The communications array is configured to receive one or more reference signals of one or more reference signal ports of a subframe. The reference signals are analog beamformed cell-specific reference signals associated with one or more cells. The control component is configured to decode the received reference signals and perform analog beam tracking and demodulation based on the one or more received reference signals.

公开(公告)号：US09888445B2

公开(公告)日：2018-02-06

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

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：US09860732B2

公开(公告)日：2018-01-02

申请号：US15096504

申请日：2016-04-12

Applicant: Intel IP Corporation

Inventor： Gang Xiong ,  Huaning Niu ,  Debdeep Chatterjee ,  Alexey Khoryaev ,  Jong-Kae Fwu

IPC: H04W8/00 ,  H04W48/12 ,  H04W72/04 ,  H04W72/08 ,  H04W4/00 ,  H04W72/02 ,  H04W76/02 ,  H04W76/04 ,  H04W48/16 ,  H04W4/02

CPC classification number: H04W8/005 ,  H04W4/023 ,  H04W4/70 ,  H04W4/80 ,  H04W48/12 ,  H04W48/16 ,  H04W72/02 ,  H04W72/08 ,  H04W76/14 ,  H04W76/27 ,  Y02D70/122

Abstract: Embodiments of a User Equipment (UE) and methods for packet based device-to-device (D2D) discovery in an LTE network are generally described herein. In some embodiments, UE may be enabled for proximity services and may be configured to receive signaling from an enhanced node B (eNB) indicating resources allocated for D2D discovery. The UE may configure a discovery packet in accordance with a predetermined configuration to have at least a discovery payload and a cyclic-redundancy check (CRC). The discovery payload may include discovery-related content. The UE may be configured to transmit the discovery packet on at least some of the indicated resources for receipt by a receiving UE. In some embodiments, a demodulation reference signal (DMRS) may be selected to indicate a payload size and/or MCS of the discovery packet's payload.

公开(公告)号：US09838984B2

公开(公告)日：2017-12-05

申请号：US15026188

申请日：2013-12-23

Applicant: INTEL IP CORPORATION

Inventor： Rongzhen Yang ,  Hujun Yin ,  Qinghua Li ,  Huaning Niu

IPC: H04B7/00 ,  H04W52/36 ,  H04W52/26 ,  H04W16/10

CPC classification number: H04W52/367 ,  H04W16/10 ,  H04W52/262

Abstract: Examples are disclosed for a system to improve wireless spectral efficiency, including a processor, memory coupled to the processor, a radio coupled to the processor, one or more antennas coupled to the radio, wireless logic to be executed on the processor component to process reception of a high-power request for open sharing (ROS) signal by a master wireless receiver from a master wireless transmitter and to process transmission of a high-power confirmation of open sharing (COS) signal to the master wireless transmitter, the high-power COS signal comprising an indication of a desired reduction of transmission power level from high power by the master wireless transmitter, and a timer initiated by the high-power COS signal, the timer to indicate a period of time when the master wireless transmitter and master wireless receiver are enabled for low-power communication.

公开(公告)号：US09794821B2

公开(公告)日：2017-10-17

申请号：US14543670

申请日：2014-11-17

Applicant: Intel IP Corporation

Inventor： Jeongho Jeon ,  Huaning Niu ,  Qinghua Li ,  Hwan-Joon Kwon ,  Christian Ibars-Casas ,  Pingping Zong ,  Mo-Han Fong ,  Apostolos Papathanassiou

IPC: H04W28/02 ,  H04W74/08 ,  H04W28/26 ,  H04W72/04 ,  H04W72/12 ,  H04W74/00

CPC classification number: H04W28/0205 ,  H04W28/26 ,  H04W72/042 ,  H04W72/121 ,  H04W74/006 ,  H04W74/0816

Abstract: Embodiments described herein relate generally to a communication between a user equipment (“UE”) and an evolved Node Bs (“eNBs”) in a plurality of frequency bands. An eNB may transmit cross-carrier, cross-subframe scheduling information to a UE in a licensed frequency band. In response reception of the scheduling information, the UE may sense a wireless transmission medium to determine if the medium is idle. If the medium is idle, the UE may generate and transmit a request to reserve the medium in the unlicensed frequency band (e.g., a Clear-to-Send message). The eNB may transmit downlink data to the UE in the unlicensed frequency band. Other embodiments may be described and/or claimed.

公开(公告)号：US20170085406A1

公开(公告)日：2017-03-23

申请号：US14859545

申请日：2015-09-21

Applicant: Intel IP Corporation

Inventor： Qinghua Li ,  Xiaogang Chen ,  Robert Stacey ,  Yuan Zhu ,  Huaning Niu

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2608 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0092 ,  H04L27/2613 ,  H04W84/12

Abstract: This disclosure describes methods, apparatus, and systems related to high efficiency signal field enhancement. A device may determine a wireless communication channel with a first device in accordance with a wireless communication standard. The device may generate a high efficiency preamble in accordance with a high efficiency communication standard, the high efficiency preamble including, at least in part, one or more legacy signal fields, one or more high efficiency signal fields, and one or more training fields. The device may determine one or more indication bits included in at least one of the one or more legacy fields. The device may determine a repetition pattern of at least one of the one or more high efficiency signal fields based at least in part, on the one or more indication bits. The device may cause to send the high efficiency preamble to the first device over the wireless communication channel.

公开(公告)号：US20160337835A1

公开(公告)日：2016-11-17

申请号：US15096504

申请日：2016-04-12

Applicant: Intel IP Corporation

Inventor： Gang Xiong ,  Huaning Niu ,  Debdeep Chatterjee ,  Alexey Khoryaev ,  Jong-Kae Fwu

IPC: H04W8/00 ,  H04W4/00 ,  H04W76/02 ,  H04W48/16 ,  H04W48/12

CPC classification number: H04W8/005 ,  H04W4/023 ,  H04W4/70 ,  H04W4/80 ,  H04W48/12 ,  H04W48/16 ,  H04W72/02 ,  H04W72/08 ,  H04W76/14 ,  H04W76/27 ,  Y02D70/122

Abstract: Embodiments of a User Equipment (UE) and methods for packet based device-to-device (D2D) discovery in an LTE network are generally described herein. In some embodiments, UE may be enabled for proximity services and may be configured to receive signaling from an enhanced node B (eNB) indicating resources allocated for D2D discovery. The UE may configure a discovery packet in accordance with a predetermined configuration to have at least a discovery payload and a cyclic-redundancy check (CRC). The discovery payload may include discovery-related content. The UE may be configured to transmit the discovery packet on at least some of the indicated resources for receipt by a receiving UE. In some embodiments, a demodulation reference signal (DMRS) may be selected to indicate a payload size and/or MCS of the discovery packet's payload.