公开(公告)号：US10425923B2

公开(公告)日：2019-09-24

申请号：US15440947

申请日：2017-02-23

Applicant: QUALCOMM Incorporated

Inventor： Renqiu Wang ,  Hao Xu ,  Wei Zeng ,  Jing Jiang ,  Tingfang Ji

IPC: H04W72/04 ,  H04L5/00 ,  H04L5/26 ,  H04L12/24 ,  H04L27/00

Abstract: Methods, systems, and devices for wireless communication are described that provide for uplink channel multiplexing and waveform selection. Uplink channels to be transmitted from one or more user equipment (UEs) to a base station are multiplexed together or separately into an uplink subframe. Each UE is capable of using different waveforms to transmit different channels. Reference signals are communicated according to an RS pattern, which is symmetric across uplink and downlink channels.

公开(公告)号：US10425824B2

公开(公告)日：2019-09-24

申请号：US15870556

申请日：2018-01-12

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Alexandros Manolakos ,  SeyedKianoush Hosseini ,  Jing Jiang

IPC: H04W16/06 ,  H04W16/10 ,  H04W72/04 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communication are described. Some wireless communications systems support mobile broadband (MBB) communications and low latency communications. To accommodate low latency communications, a base station may identify resources allocated for MBB communications, and the base station may reassign (or puncture) these resources for low latency communications. The base station may transmit an indication of the reassigned (or punctured) resources to one or more user equipments (UEs). The base station may transmit an indication of the reassigned resources over a designated indication channel during a time period that is being reassigned for low latency communications (e.g., using a current indication). The base station may also transmit another or complementary indication of the reassigned resources in a subsequent time period (e.g., using a post indication), which may include supplemental or additional information.

公开(公告)号：US10404332B2

公开(公告)日：2019-09-03

申请号：US15182433

申请日：2016-06-14

Applicant: QUALCOMM Incorporated

Inventor： Tingfang Ji ,  John Edward Smee ,  Joseph Binamira Soriaga ,  Wei Zeng ,  Jing Jiang

IPC: H04W4/00 ,  H04B7/0417 ,  H04L5/00 ,  H04W72/04 ,  H04L25/02 ,  H04W28/02

Abstract: Techniques for utilizing resources in a downlink (DL) common burst are described herein. In one aspect, a channel state information reference signal (CSI-RS) may be included in the DL common burst for channel estimation. In another aspect, a demodulation reference signal (DM-RS) and DL data may be included in the DL common burst for low latency data transmission. In yet another aspect, a measurement reference signal (M-RS) may be included in the DL common burst to assist handover decisions. The techniques described herein may be used for various wireless communications systems.

公开(公告)号：US20190268923A1

公开(公告)日：2019-08-29

申请号：US16284341

申请日：2019-02-25

Applicant: QUALCOMM Incorporated

Inventor： Jay Kumar Sundararajan ,  Chih-Ping Li ,  Jing Jiang ,  Seyedkianoush Hosseini ,  Wanshi Chen

IPC: H04W72/12

Abstract: The described techniques relate to techniques for determining transmission opportunities and utilization of uplink resources by a user equipment (UE) in communication with a base station. In some examples, a base station may transmit a slot configuration to a UE. The slot configuration may indicate the communication link direction (uplink, downlink, or flexible) associated with each symbol in a given slot. A dynamic slot configuration may indicate which of the flexible symbols are uplink symbols and which are downlink symbols and the UE may determine uplink transmission opportunities based on the slot configuration, the dynamic slot configuration, and a grant free uplink type associated with the UE. The UE may transmit an uplink data message to the base station using the determined set of uplink transmission resources.

公开(公告)号：US20190268059A1

公开(公告)日：2019-08-29

申请号：US16280891

申请日：2019-02-20

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Seyedkianoush Hosseini ,  Chih Ping Li ,  Wanshi Chen ,  Gabi Sarkis ,  Jing Jiang

IPC: H04B7/06 ,  H04L1/00 ,  H04L1/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine to report first channel state information (CSI), wherein the first CSI is associated with a parameter that indicates a priority of the first CSI. The UE may prioritize the first CSI over a second CSI based at least in part on the parameter. The UE may transmit an indication of the first CSI and may drop the second CSI based at least in part on prioritizing the first CSI over the second CSI. Numerous other aspects are provided.

公开(公告)号：US10396962B2

公开(公告)日：2019-08-27

申请号：US15703867

申请日：2017-09-13

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Junyi Li ,  Hao Xu ,  Jing Jiang

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

Abstract: An apparatus may configure x subframes with a subslot configuration that includes y subslots, y being greater than x. In an aspect, each subslot of the y subslots may include a first portion having one or more symbols for carrying at least one of data or control information, a second portion having a gap, and a third portion for carrying ACK/NACK information associated with the first portion. In an aspect, the second portion may be between the first portion and the third portion. In an aspect, the second portion and the third portion may include at most one symbol. The apparatus may send information indicating the subslot configuration to at least one neighboring base station. The apparatus may communicate content with a user equipment (UE) during at least one of the y subslots.

公开(公告)号：US10389503B2

公开(公告)日：2019-08-20

申请号：US15811289

申请日：2017-11-13

Applicant: QUALCOMM Incorporated

Inventor： Joseph Binamira Soriaga ,  Jing Jiang ,  Krishna Kiran Mukkavilli ,  Pavan Kumar Vitthaladevuni ,  Naga Bhushan ,  Tingfang Ji ,  John Edward Smee

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0452

Abstract: Systems and techniques are disclosed to enhance the efficiency of available bandwidth between UEs and base stations. A UE transmits a sounding reference signal (SRS) to the base station. The base station characterizes the uplink channel based on the SRS received and, using reciprocity, applies the channel characterization for the downlink channel. As part of applying the channel information, the base station forms the beam to the UE based on the uplink channel information obtained from the SRS. The UE may include an array of antennas, each UE transmitting a different SRS that the base station receives and uses to characterize the downlink. Multiple UEs (or a single UE with multiple antennas) transmit SRS at the same time and frequency allocation (non-orthogonal), but with each sending its own unique SRS. Further, multiple UEs (or a single UE with multiple antennas) may send their SRS at unique time/frequency allocations (orthogonal).

公开(公告)号：US10382233B2

公开(公告)日：2019-08-13

申请号：US15395814

申请日：2016-12-30

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Sayed Khairy Abdelghaffar ,  Jing Jiang ,  Seyong Park ,  Wei Zeng ,  Joseph Binamira Soriaga ,  Tingfang Ji

IPC: H04L25/03 ,  H04L27/26 ,  H04B7/26

Abstract: Techniques for processing of symbols (e.g., orthogonal frequency division multiplexing (OFDM) or single carrier-frequency division multiple access (SC-FDMA) symbols) provide enhanced out-of-band (OOB) suppression of the symbols and also provide reduced inter-symbol interference (ISI) between a symbol and a subsequent symbol. Multiple frequency tones of a symbol may be divided into two or more subsets of tones. For example, subsets of tones associated with a head portion or a tail portion of an OFDM symbol may be processed with a relatively long weighted overlap-add (WOLA) weighting length or filtering length, and a subset of tones associated with a center portion of the OFDM symbol may be processed with a relatively short WOLA weighting length or filtering length. Such heterogeneous processing of tones within a symbol may provide enhanced inter-channel interference (ICI) and improved OOB suppression and also provide reduced ISI for the center tones of the symbol.

公开(公告)号：US20190245560A1

公开(公告)日：2019-08-08

申请号：US16267007

申请日：2019-02-04

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Ying Wang ,  Jing Jiang ,  Yang Yang ,  Gabi Sarkis

IPC: H03M13/13 ,  H03M13/00 ,  H03M13/11 ,  H04L1/00

CPC classification number: H03M13/13 ,  H03M13/005 ,  H03M13/033 ,  H03M13/1125 ,  H03M13/1137 ,  H03M13/6362 ,  H04L1/0057 ,  H04L1/0068

Abstract: Methods, systems, and devices for wireless communications are described. An encoder of a wireless device may receive a number of information bits and a block size for transmission. If the block size is not a power of two, the encoder may round the block size up to the nearest power of 2, generate a larger codeword, and puncture the excess bits. The punctured bits may affect a rate of polarization when generating a polar code, and sub-blocks with a high number of punctured bits may produce too few sufficiently polarized channels. The encoder may implement a capacity backoff when polar coding to identify a greater number of polarized channels. The encoder may assign information bits to sufficiently polarized channels of the greater number of polarized channels.

公开(公告)号：US10356811B2

公开(公告)日：2019-07-16

申请号：US15269743

申请日：2016-09-19

Applicant: QUALCOMM Incorporated

Inventor： Tao Luo ,  Peter Pui Lok Ang ,  Jing Jiang

IPC: H04W72/14 ,  H04B10/516 ,  H04W52/14 ,  H04L5/00 ,  H04W52/26 ,  H04L5/14 ,  H04W72/12

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for grant processing in uplink centric subframes. An example method generally includes transmitting a first subframe comprising a first grant that includes information for one or more transmissions on that allocated resources in the first subframe to a user equipment (UE) and transmitting the first subframe, with a second grant that allocates resources in at least a second subframe to occur after the first subframe. Other aspects, embodiments, and features are also claimed and described.