公开(公告)号：US10270573B2

公开(公告)日：2019-04-23

申请号：US15968569

申请日：2018-05-01

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Hung Ly ,  Heechoon Lee ,  Peter Gaal ,  Muhammad Nazmul Islam ,  Wanshi Chen ,  Bilal Sadiq

IPC: H04L12/28 ,  H04L5/00 ,  H04J11/00 ,  H04L27/26 ,  H04J1/16

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first synchronization signal (SS) block that does not include remaining minimum system information (RMSI). The first SS block may indicate an offset for obtaining a second SS block that includes RMSI. The UE may determine a location of the second SS block based at least in part on the offset. Numerous other aspects are provided.

公开(公告)号：US20190090223A1

公开(公告)日：2019-03-21

申请号：US16152104

申请日：2018-10-04

Applicant: QUALCOMM Incorporated

Inventor： Wooseok Nam ,  Tao Luo ,  Sony Akkarakaran ,  Makesh Pravin John Wilson ,  Sumeeth Nagaraja ,  Xiao Feng Wang ,  Shengbo Chen

IPC: H04W72/04 ,  H04W16/28 ,  H04W76/10 ,  H04W76/27 ,  H04W88/02 ,  H04L1/00

CPC classification number: H04W72/042 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0695 ,  H04B7/088 ,  H04L1/0038 ,  H04L1/0047 ,  H04L5/0053 ,  H04L5/0092 ,  H04L5/0094 ,  H04L5/0098 ,  H04W16/28 ,  H04W72/046 ,  H04W72/08 ,  H04W72/1273 ,  H04W72/1278 ,  H04W72/1294 ,  H04W76/10 ,  H04W76/27 ,  H04W88/02

Abstract: Methods, systems, and devices for wireless communications provide for transmission of a beam switch command to a user equipment (UE) via control channel signaling. The UE may establish a connection with a base station using a first transmission beam, receive configuration information configuring the UE to select between a first decoding hypothesis corresponding to downlink control information (DCI) including a bit field including a beam switch command and a second decoding hypothesis corresponding to the DCI not including the bit field, receive a downlink control channel transmission via the first transmission beam, decode the downlink control channel transmission in accordance with the configuration information to obtain decoded DCI, and communicate with the base station based at least in part on the decoded DCI.

公开(公告)号：US20190053166A1

公开(公告)日：2019-02-14

申请号：US16033023

申请日：2018-07-11

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Andrei Dragos Radulescu ,  Tao Luo ,  Sony Akkarakaran ,  Makesh Pravin John Wilson ,  Xiao Feng Wang ,  Shengbo Chen

IPC: H04W52/14 ,  H04W72/04 ,  H04W76/27 ,  H04W74/08

Abstract: Methods, systems, and devices for wireless communication are described. A base station may transmit procedure-specific uplink power parameters to one or more user equipments (UEs) in a cell. A UE may determine a procedure including one or more uplink transmissions. The UE may determine a transmit power level corresponding to the procedure based at least in part on the procedure-specific uplink power parameters. The UE may transmit the one or more uplink transmissions using the determined transmit power level.

公开(公告)号：US10194442B2

公开(公告)日：2019-01-29

申请号：US15892292

申请日：2018-02-08

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Tao Luo ,  Makesh Pravin John Wilson

IPC: H04B7/06 ,  H04B7/08 ,  H04W36/00 ,  H04W72/04 ,  H04W72/12 ,  H04B17/309

Abstract: Methods, systems, and devices for wireless communication are described. Uplink resources may be allocated for transmissions of beam recovery messages. For example, a user equipment (UE) communicating in a system that supports beamformed transmissions may receive a configuration for resources from a base station, where the resources may be used for beam recovery signaling. The UE may identify a beam failure on one or more active beams used to communicate with the base station, and the UE may transmit a beam recovery message to the base station. In such cases, the beam recovery message may be transmitted according to the configuration received from the base station such that the beam recovery message is transmitted using the beam recovery resources. In some cases, the configuration may be received at the UE via radio resource control (RRC) signaling or via a system information broadcast from the base station.

公开(公告)号：US20190029036A1

公开(公告)日：2019-01-24

申请号：US16040208

申请日：2018-07-19

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Sony Akkarakaran ,  Sumeeth Nagaraja ,  Wooseok Nam ,  Shengbo Chen ,  Xiao Feng Wang ,  Juan Montojo

IPC: H04W74/00 ,  H04W74/08 ,  H04B7/06 ,  H04B7/0408

Abstract: Methods, systems, and devices for wireless communication are described. Uplink random access channel (RACH) transmissions may be sent on multiple beams by a user equipment (UE). For example, a UE may transmit a random access preamble to a base station in a first RACH transmission, and the base station may respond with a random access response in a second RACH transmission. The second RACH transmission may include an indication for the UE to use multiple transmit beams for a third RACH transmission. Using the indication received from the base station, the UE may proceed to use the indicated two or more beams when sending the third RACH transmission to the base station. Upon receiving the third RACH transmission from the UE, the base station may respond with a fourth RACH transmission, which may further include an indication to the UE to transmit an acknowledgment using one or more beams.

公开(公告)号：US10187189B2

公开(公告)日：2019-01-22

申请号：US15713566

申请日：2017-09-22

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Sony Akkarakaran ,  Sumeeth Nagaraja ,  Wooseok Nam

IPC: H04L5/00 ,  H04W48/10 ,  H04W48/12

Abstract: Aspects provide a way for RS in different sub-bands within the same OFDM symbol to have different RS placement designs, e.g., different dependence/independence on cell ID. A base station apparatus transmits a first RS in a first resource set using a first RS placement, wherein the first resource set comprises a first subband of an OFDM symbol. The apparatus also transmits a second RS in a second resource set using a second RS placement, wherein the second resource set comprises a second subband of the OFDM symbol. A UE apparatus identifies a first resource set comprising a first subband in a plurality of subbands of an OFDM symbol transmitted by base station, determines whether a RS tone location utilized with the first subband is dependent upon an identifier of the base station, and receives the RS based on a result of the determining.

公开(公告)号：US20180376501A1

公开(公告)日：2018-12-27

申请号：US16007919

申请日：2018-06-13

Applicant: QUALCOMM Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Jing Sun ,  Heechoon Lee

IPC: H04W72/14 ,  H04W72/12 ,  H04W72/04

Abstract: Methods, systems, and devices are described for wireless communications. A wireless communication device may switch between a distributed and a clustered transmission scheme for control information transmissions. In some cases, the base station may indicate to a UE that a clustered control information transmission scheme will be used and may also indicate a monitoring pattern informing the UE how to identify its own control information in a control information set. For instance, a base station may indicate to the UE that a preferred beam of the UE is correlated with a symbol position of the UE's control information in the control information set. In some cases, the base station may indicate to a UE that a distributed control information transmission scheme will be used.

公开(公告)号：US20180331794A1

公开(公告)日：2018-11-15

申请号：US15963785

申请日：2018-04-26

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Tao Luo ,  Sony Akkarakaran ,  Makesh Pravin John Wilson ,  Xiao feng Wang ,  Juan Montojo ,  Shengbo Chen ,  Wooseok Nam

IPC: H04L5/00 ,  H04W16/28 ,  H04W74/08

CPC classification number: H04L5/005 ,  H04B7/0404 ,  H04B7/0695 ,  H04B7/088 ,  H04L5/0048 ,  H04W16/28 ,  H04W72/042 ,  H04W74/0833

Abstract: Methods, systems, and devices for wireless communication are described. Wireless communications systems may support beamformed transmissions between devices (e.g., to improve coverage range). The beamformed transmissions may depend on discovery and maintenance of receive and transmit beams over which a given device may communicate with another device. Various receive and transmit beams for a given device may be compared using reference signals. As the number of devices attempting to access a cell increases, the number of reference signals to be transmitted may scale proportionally. Large numbers of reference signals may flood time-frequency resources of the system and/or require excessive processing at a mobile device. Scrambling sequences for reference signals may be employed to improve efficiency of resource usage. In aspects, the scrambling sequences may be implicitly determined (e.g., based on resources over which the access request was transmitted). Such an implicit association may reduce the need for additional signaling.

公开(公告)号：US20180316472A1

公开(公告)日：2018-11-01

申请号：US15948539

申请日：2018-04-09

Applicant: QualComm Incorporated

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Xiao Feng Wang ,  Sony Akkarakaran ,  Wooseok Nam ,  Sumeeth Nagaraja ,  Kaushik Chakraborty ,  Shengbo Chen

IPC: H04L5/00 ,  H04W76/15

CPC classification number: H04L5/0048 ,  H04J2211/005 ,  H04L5/0035 ,  H04L5/0053 ,  H04L27/2613 ,  H04W72/0446 ,  H04W72/0453 ,  H04W76/15

Abstract: Wireless communications systems and methods related to reusing long-term evolution (LTE) resources in a nested network system are provided. A first wireless communication device receives, from a second wireless communication device, a reference signal configuration of a first network of a long-term evolution (LTE) radio access technology (RAT). The first wireless communication device and the second wireless communication device are associated with a second network of another RAT. The first wireless communication device receives, from the second wireless communication device, a communication signal in the second network based on the reference signal configuration of the first network. The reference signal configuration indicates at least one of a frequency tone of a reference signal of the first network, a time period of the reference signal of the first network, or a number of antenna ports associated with the reference signal of the first network.

公开(公告)号：US10028304B2

公开(公告)日：2018-07-17

申请号：US15708415

申请日：2017-09-19

Applicant: QUALCOMM Incorporated

Inventor： Sony Akkarakaran ,  Tao Luo ,  Sumeeth Nagaraja ,  Makesh Pravin John Wilson

IPC: H04L5/14 ,  H04W74/08 ,  H04W76/27 ,  H04L5/00 ,  H04L27/26 ,  H04W24/10 ,  H04W56/00 ,  H04W72/04 ,  H04W76/04 ,  H04B7/06 ,  H04B7/08 ,  H04W72/00 ,  H04W88/02

Abstract: Certain aspects of the present disclosure provide techniques for beam correspondence indication, user equipment (UE) calibration indication, and synchronization information for time division duplexed (TDD) random access channel (RACH) procedure. According to certain aspects, a method of wireless communication by a wireless device is provided. The method generally includes determining whether beam correspondence applies between the wireless device and another wireless device and based on the determination, providing an indication to the other wireless device of whether beam correspondence applies.