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公开(公告)号:US10397904B2
公开(公告)日:2019-08-27
申请号:US15242194
申请日:2016-08-19
Applicant: QUALCOMM Incorporated
Inventor: Muhammad Nazmul Islam , Sundar Subramanian , Ashwin Sampath , Juergen Cezanne , Bilal Sadiq , Junyi Li , Tao Luo
Abstract: Various aspects of the disclosure relate to communicating uplink control information. As one example, a user equipment may send uplink control information to a base station. In some aspects, the number of symbols used to communicate the uplink control information may be based on a link gain associated with the UE and/or based on a payload size of the uplink control information. As another example, the user equipment may send channel information for a number of beams to the base station. In some aspects, the number of beams may be based on the type of channel that is used to send the uplink control information.
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公开(公告)号:US10396881B2
公开(公告)日:2019-08-27
申请号:US15433738
申请日:2017-02-15
Applicant: QUALCOMM Incorporated
Inventor: Sony Akkarakaran , Tao Luo , Muhammad Nazmul Islam , Bilal Sadiq
Abstract: In a mmW network, a UE and a base station may establish a link using a RACH procedure. Because mmW and other band communications may rely on accurate beamforming to overcome link attenuation, the UE may need to provide beam information feedback to the base station. In particular, the UE may receive a beam-formed message from the base station during the RACH procedure. The UE may determine beam information based on the received beam-formed message during the RACH procedure. The UE may transmit a message to the base station during the RACH procedure, and the message may include the determined beam information.
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公开(公告)号:US20190261422A1
公开(公告)日:2019-08-22
申请号:US16250801
申请日:2019-01-17
Applicant: QUALCOMM Incorporated
Inventor: Muhammad Nazmul Islam , Sumeeth Nagaraja , Amir Aminzadeh Gohari , Awlok Josan
Abstract: Methods, systems, and devices for wireless communications for determining a minimum time gap between an received downlink message and transmission of an uplink message in response to the received downlink message. In some cases, a user equipment (UE) may receive a downlink message to perform a random access procedure. The UE may determine a minimum time gap based on an uplink transmission preparation time. The UE may transmit a random access preamble based on the minimum time gap. In some examples, the UE may receive a timing advance (TA) command and may determine a minimum time gap between receipt of the TA command and transmission of a time-adjusted uplink message.
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公开(公告)号:US20190239240A1
公开(公告)日:2019-08-01
申请号:US16383502
申请日:2019-04-12
Applicant: QUALCOMM Incorporated
Inventor: Karl Georg Hampel , Junyi Li , Sundar Subramanian , Muhammad Nazmul Islam , Navid Abedini
CPC classification number: H04W72/12 , H04W72/04 , H04W72/1278 , H04W92/20
Abstract: Methods, systems, and devices for wireless communication are described. In particular, a backhaul network that may be established between access nodes and/or base stations is shown and described. To support communications via the backhaul network, a synchronized frame structure and unique network topologies may be established. Resources may be allocated to different wireless communication links based on the synchronized frame structure. Occupancy/availability indications are shown and described, which enable the local redistribution of resources to account for variations in signal quality and/or variations in traffic experienced by the backhaul network.
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公开(公告)号:US20190215220A1
公开(公告)日:2019-07-11
申请号:US16219545
申请日:2018-12-13
Applicant: QUALCOMM Incorporated
Inventor: Muhammad Nazmul Islam , Bilal Sadiq , Navid Abedini
Abstract: Methods, systems, and devices for wireless communications are described. In some systems, base stations and user equipment (UEs) may use beamforming for transmitting random access channel (RACH) messages. A UE may transmit multiple RACH preamble messages (e.g., within a random access response (RAR) window) to initiate a RACH procedure. The UE may transmit the RACH preamble messages in transmission opportunities corresponding to reference signals received from the base station. In some cases, the UE may determine the number of RACH preamble messages to transmit within the RAR window based on an ability of the UE to simultaneously monitor for a RAR message in response to each of the transmitted messages. In other cases, the UE may transmit an indication of UE capabilities to the base station. The base station may determine a RACH resource configuration for the UE based on the capabilities and may indicate the configuration to the UE.
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公开(公告)号:US20190159155A1
公开(公告)日:2019-05-23
申请号:US16191677
申请日:2018-11-15
Applicant: QUALCOMM Incorporated
Inventor: Navid Abedini , Bilal Sadiq , Muhammad Nazmul Islam , Sundar Subramanian , Junyi Li
Abstract: Methods, systems, and devices for wireless communications are described. The described techniques provide for determining to not transmit a portion of a second signal that overlaps in time with a first signal. A user equipment (UE) may identify a first signal to be communicated during a first time duration using a first beam pair link (BPL) and identify a second signal that is scheduled to be communicated during a second time duration using a second BPL. The UE may identify a misalignment between timing advance values for the BPLs, the misalignment causing an overlap in time between the first signal scheduled during the first time duration and the second signal scheduled during the second time duration. The UE may determine whether to drop part of the second signal and communicate the first signal and a remaining portion of the second signal based at least in part on the determining.
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公开(公告)号:US20190158162A1
公开(公告)日:2019-05-23
申请号:US16189503
申请日:2018-11-13
Applicant: QUALCOMM Incorporated
Inventor: Jung Ho Ryu , Navid Abedini , Junyi Li , Karl Georg Hampel , Juergen Cezanne , Sundar Subramanian , Muhammad Nazmul Islam , Jianghong Luo
CPC classification number: H04B7/0617 , H04B7/0639 , H04B7/0682 , H04B7/0834 , H04B7/088 , H04W64/003
Abstract: Methods, systems, and devices for updating beam-based communications are described. A base station may configure a user equipment (UE) with a set of beam management configurations, which may be used to modify (e.g., dynamically or periodically) beam-based communications. For example, the base station may indicate a beam configuration for utilization by the UE and the UE may switch to the indicated beam configuration or update a currently used beam configuration based on the indication. In another example, a set of beam configurations may be sequentially ordered, and the base station may indicate to the UE to use the next beam configuration in the sequence of beam configurations. The update to the beam configuration may be triggered based on a distance change (e.g., UE and base station getting closer or farther apart) or a reference signal measurement between the UE and the base station, among other factors.
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公开(公告)号:US10285147B2
公开(公告)日:2019-05-07
申请号:US15934784
申请日:2018-03-23
Applicant: QUALCOMM Incorporated
Inventor: Navid Abedini , Hung Ly , Tao Luo , Bilal Sadiq , Muhammad Nazmul Islam , Sundar Subramanian
Abstract: Methods, systems, and devices for wireless communication are described that provide for synchronization signal (SS) blocks in which synchronization signals and broadcast channel transmissions may be transmitted. Broadcast channel transmissions may be demodulated using SS transmissions, reference signal transmissions, or combinations thereof. Broadcast channel transmissions may be transmitted in a subset of SS block time resources, and synchronization signals may be transmitted in another subset of SS block time resources. Reference signals may be transmitted using tones within the broadcast channel time resources, and may be transmitted at a higher density for portions of the broadcast channel transmission bandwidth that are outside of the SS transmission bandwidth. Waveforms for reference signal transmissions, and information provided by reference signal transmissions may be provided.
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公开(公告)号:US20190059056A1
公开(公告)日:2019-02-21
申请号:US16104014
申请日:2018-08-16
Applicant: QUALCOMM Incorporated
Inventor: Muhammad Nazmul Islam , Juergen Cezanne , Ashwin Sampath , Vasanthan Raghavan
IPC: H04W52/02
Abstract: Methods, systems, and devices for wireless communication are described. A base station may identify that data is available to be transmitted to a user equipment (UE) that is operating in a discontinuous reception (DRX) mode. The base station may transmit, based at least in part on the data being available, a first wakeup message using a first band supported by the UE. The base station may transmit, based at least in part on the data being available, a second wakeup message using a second band supported by the UE, the second band being different from the first band.
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公开(公告)号:US20190053321A1
公开(公告)日:2019-02-14
申请号:US16058706
申请日:2018-08-08
Applicant: QUALCOMM Incorporated
Inventor: Muhammad Nazmul Islam , Juergen Cezanne , Ashwin Sampath , Vasanthan Raghavan , Jianghong Luo , Sundar Subramanian , Sumeeth Nagaraja
Abstract: Methods, systems, and devices for wireless communication are described. A base station may initiate a beam management procedure, including reference signal transmission to a user equipment (UE) and receive beam training. A base station may configure a UE to monitor a set of beams for reference signals. Based on the received reference signals, the UE may optionally select one or more transmit beams for wakeup signal reception, and may transmit an indication of the selected beams to the base station. The base station may transmit a wakeup signal over the originally configured or the UE-selected transmit beams to initiate wake-up procedure at the UE. The base station and UE may subsequently perform a refined beam management procedure, providing a refined reference signal transmission from the base station. Based on the received transmission, the UE may select a refined beam for downlink transmissions.
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