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公开(公告)号：US20200288430A1
公开(公告)日：2020-09-10
申请号：US16836460
申请日：2020-03-31
Applicant: QUALCOMM Incorporated
Inventor： Hao XU , Tao LUO , Tingfang JI , Wanshi CHEN , Peter GAAL , Yongbin WEI , Gavin Bernard HORN
Abstract: The described aspects include methods and apparatus for activating a transmitter to communicate in a wireless network. A small cell can determine to activate the transmitter to serve user equipment (UE) in a wireless network. The small cell can then broadcast a portion of a set of broadcast signals in a radio frame and broadcast a remaining portion of the set of broadcast signals along with the portion of the set of broadcast signals in a subsequent radio frame. By refraining from immediately broadcasting all broadcast signals, the small cell can mitigate interference to other small cells. In addition, a UE can determine whether to generate random access channel (RACH) sequences for proximity determination or uplink timing synchronization based on parameters received in a RACH order. Moreover, a small cell with an active transmitter can decode discovery signals from a device to facilitate handover determination.
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公开(公告)号：US20200252925A1
公开(公告)日：2020-08-06
申请号：US16853533
申请日：2020-04-20
Applicant: QUALCOMM Incorporated
Inventor： Wanshi CHEN , Tao LUO
Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, to transmission scheme management for common channels in new radio (NR). A method for wireless communications that may be performed by a user equipment (UE) is provided. The method generally includes receiving an indication from a base station (BS) of a type of beam management scheme used by the BS for at least one of: a current transmission or one or more subsequent transmissions; and decoding the at least one of: the current transmission or the one or more subsequent transmissions from the BS in accordance with the indication.
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公开(公告)号：US20200229224A1
公开(公告)日：2020-07-16
申请号：US16835067
申请日：2020-03-30
Applicant: QUALCOMM Incorporated
Inventor： Yi HUANG , Hao XU , Wanshi CHEN , Renqiu WANG , Joseph Binamira SORIAGA , Peter GAAL , Seyong PARK
Abstract: Aspects of the present disclosure provide for opportunistic uplink transmissions within a slot. In some examples, after scheduling all regular uplink transmissions within a current slot, a base station (e.g., gNB) may identify a set of unused uplink resources within the current slot and generate and transmit unused resource information identifying the set of unused resources to the user equipment (UE) within the cell served by the base station. If a particular UE is configured to operate in an opportunistic mode, the UE may utilize the unused resource information to generate and transmit an opportunistic uplink transmission within the set of unused uplink resources.
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公开(公告)号：US20200229176A1
公开(公告)日：2020-07-16
申请号：US16833101
申请日：2020-03-27
Applicant: QUALCOMM Incorporated
Inventor： Alberto RICO ALVARINO , Peter GAAL , Wanshi CHEN , Hao XU
Abstract: Certain aspects of the present disclosure generally relate to wireless communications, and more specifically to positioning reference signal (PRS) enhancements for enhanced machine type communication (eMTC). An example method generally includes determining a first bandwidth within a larger system bandwidth to transmit a first positioning reference signal (PRS) to a first type of user equipment (UE), determining a second bandwidth within the system bandwidth to transmit a second PRS to a second type of UE, and transmitting information associated with the first PRS and the second PRS.
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公开(公告)号：US20200221425A1
公开(公告)日：2020-07-09
申请号：US16822842
申请日：2020-03-18
Applicant: QUALCOMM Incorporated
Inventor： Wanshi CHEN , Hao XU , Peter GAAL
Abstract: Certain aspects of the present disclosure generally relate to wireless communications, and more specifically to managing narrowband regions of system bandwidths for devices with limited communications resources, such as machine type communication(s) (MTC) devices and enhanced MTC (eMTC) devices. An example method generally includes determining a set of downlink (DL) narrowband regions partitioned from a DL system bandwidth, determining a set of uplink (UL) narrowband regions partitioned from an UL system bandwidth, determining a mapping between the set of DL narrowband regions and the set of UL narrowband regions, and communicating with at least a base station (BS) using at least one of the mapped narrowband regions.
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Patent Agency Ranking
公开(公告)号：US20200187051A1
公开(公告)日：2020-06-11
申请号：US16795284
申请日：2020-02-19
Applicant: QUALCOMM Incorporated
Inventor： Wanshi CHEN , Peter GAAL , Tingfang JI
Abstract: Certain aspects of the present disclosure provide methods and apparatus for managing cyclic redundancy check field lengths in wireless communications. An exemplary method generally includes determining a size of a cyclic redundancy check (CRC) field, from a plurality of possible sizes for a given type of physical wireless channel, to be used for a transmission to be sent on the physical wireless channel, and performing communication based on the transmission on the physical wireless channel with the CRC field of the determined size.
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公开(公告)号：US20200186278A1
公开(公告)日：2020-06-11
申请号：US16790453
申请日：2020-02-13
Applicant: QUALCOMM Incorporated
Inventor： Alberto RICO ALVARINO , Kapil BHATTAD , Wanshi CHEN , Hao XU
Abstract: A method of wireless communication of a user equipment (UE) includes communicating with a base station using a baseline channel code. The UE indicates to the base station, using the baseline channel code, support for an additional channel code that is different than the baseline channel code. The UE receives, from the base station, an indication to operate using the additional channel code. Then, the UE receives a first transmission on first set of resources and a second transmission on a second set of resources from the base station, the first transmission being encoded with the baseline channel code and the second transmission being encoded with the additional channel code.
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公开(公告)号：US20200178189A1
公开(公告)日：2020-06-04
申请号：US16781544
申请日：2020-02-04
Applicant: QUALCOMM Incorporated
Inventor： Jing LEI , Hao XU , Peter GAAL , Xiaofeng WANG , Wanshi CHEN , Yongbin WEI , Juan MONTOJO , Alberto RICO ALVARINO
Abstract: Aspects of the present disclosure provide techniques for design of synchronization signals for narrowband operation and other clean-slate, OFDM based systems such as enhanced component carrier (eCC) systems. An example method is provided for operations which may be performed by a BS to generate and transmit a dual-layer PSS, and correspondingly, techniques for a UE to detect the dual-layer PSS. The PSS may be generated utilizing a binary code cover and at least one sequence applied to a number of symbols within one or more subframes of a frame.
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公开(公告)号：US20200154356A1
公开(公告)日：2020-05-14
申请号：US16739674
申请日：2020-01-10
Applicant: QUALCOMM Incorporated
Inventor： Kapil BHATTAD , Mungal Singh DHANDA , Alberto RICO ALVARINO , Hao XU , Wanshi CHEN , Xiao Feng WANG
Abstract: Techniques described herein use a wakeup signal to indicate to a user equipment (UE) whether an upcoming control channel signal resource includes information relevant to the UE. In this way, the UE can wake up to perform complex control channel signal processing only when the control channel includes signals relevant to the UE, thereby conserving battery power and resources of the UE. Such techniques are particularly suited to MTC UEs, NB-IoT UEs, and/or the like, which may communicate with a network only occasionally, and which may be located in remote locations where changing or recharging a battery is difficult.
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公开(公告)号：US20200084672A1
公开(公告)日：2020-03-12
申请号：US16562044
申请日：2019-09-05
Applicant: QUALCOMM Incorporated
Inventor： Wanshi CHEN , Sudhir Kumar BAGHEL , Peter GAAL , Shailesh PATIL , Shuanshuan WU
IPC: H04W28/26 , H04B1/7143 , H04W4/40 , H04L27/26
Abstract: Certain aspects of the present disclosure provide techniques for signaling frequency hopping information for data transmissions sent over a plurality of transmission time intervals. In some cases, a sequence may be selected and transmitted to indicate whether frequency hopping is used and/or additional information about how the frequency hopping will occur.
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