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公开(公告)号：US20190312704A1
公开(公告)日：2019-10-10
申请号：US16449249
申请日：2019-06-21
Applicant: QUALCOMM Incorporated
Inventor： Alberto RICO ALVARINO , Wanshi CHEN , Peter GAAL , Jing SUN , Hao XU , Srinivas YERRAMALLI
Abstract: An apparatus may use inactive uplink portions of a downlink CC to transmit SRS to an eNB. At times there may be a collision between the SRS transmission and uplink transmissions or downlink transmissions on another CC. The apparatus receives a carrier aggregation configuration for a first downlink CC and a second CC, determines to transmit an uplink transmission on the second CC or to receive a downlink transmission on the second CC, determines that the SRS would at least partially collide with the uplink transmission or the downlink transmission, and determines to adjust at least one of the uplink transmission, the SRS transmission, or reception of the downlink transmission based on the determination of the collision and an interruption time to transmit the SRS in the uplink portion of the first CC.
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公开(公告)号：US20190268940A1
公开(公告)日：2019-08-29
申请号：US16406563
申请日：2019-05-08
Applicant: QUALCOMM Incorporated
Inventor： Srinivas YERRAMALLI , Wanshi CHEN , Jing SUN , Peter GAAL
Abstract: Various aspects described herein relate to reducing transmission latency in unlicensed spectrum. These latency reduction techniques include enabling ultra low latency (ULL) traffic to gain fast channel access. These latency reduction techniques further include updating a size of a contention window for channel access. In addition, these latency reduction techniques include enhancing CPDCCH-based signaling to accommodate the ULL frame structure. Further, these latency reduction techniques include providing robust operation against bursty interference for ULL transmissions. Moreover, these techniques include managing DRX for ULL. Additionally, these latency reduction techniques include joint scheduling of different TTI durations. These latency reduction techniques further include updating SRS transmission opportunities. In addition, these latency reduction techniques include reducing latency associated with PRACH transmissions. Further, these latency reduction techniques include reducing ULL transmission delays by either ignoring or cancelling scheduled uplink (e.g., LTE) transmissions.
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公开(公告)号：US20190261323A1
公开(公告)日：2019-08-22
申请号：US16270358
申请日：2019-02-07
Applicant: QUALCOMM Incorporated
Inventor： Heechoon LEE , Jing SUN , Jing JIANG , Gabi SARKIS , Tao LUO , Peter GAAL , Huilin XU
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may determine a scrambling sequence for a control channel, wherein the scrambling sequence is determined using a same identifier irrespective of whether the control channel is associated with a cell radio network temporary identifier (C-RNTI) or another type of RNTI, and wherein the scrambling sequence is determined based at least in part on an identifier associated with the wireless communication device and a value associated with an RNTI of the wireless communication device; and transmit or receive the control channel. Numerous other aspects are provided.
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公开(公告)号：US20190261315A1
公开(公告)日：2019-08-22
申请号：US16280271
申请日：2019-02-20
Applicant: QUALCOMM Incorporated
Inventor： Xiaoxia ZHANG , Ananta Narayanan THYAGARAJAN , Kapil BHATTAD , Jing SUN
Abstract: There is a large chunk of unlicensed/shared high-frequency spectrum above the 5G radio frequency that begin to be utilized for 5G applications. 5G currently supports a limited number of waveforms. The other waveforms may be beneficial to the shared high-frequency bands, such as SC-QAM/SC-FDM for downlink transmission and SC-QAM for uplink transmission to improve link budget and to reduce complexity. A method, apparatus, and computer-readable medium at a user equipment (UE) are disclosed to determine a first waveform for a broadcast channel, based in part on a received synchronization block signal from a base station. Then the UE further determines a second waveform for at least one signaling channel, based in part on the received broadcast channel.
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公开(公告)号：US20190253232A1
公开(公告)日：2019-08-15
申请号：US16275241
申请日：2019-02-13
Applicant: QUALCOMM Incorporated
Inventor： Jeonghun PARK , Jay Kumar SUNDARARAJAN , Chih-Ping LI , Jing SUN , Jing JIANG
CPC classification number: H04L5/1407 , H04W40/08 , H04W52/34
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. In certain configurations, the apparatus may include an eMBB UE. The apparatus may monitor a single preconfigured mini-slot in each of a plurality of slots for a PI. The apparatus may receive the PI in the single preconfigured mini-slot of a first slot of the plurality of slots. In certain aspects, the PI may include a resource index associated with a reduced transmission power by the UE. In certain other aspects, the resource index may include one or more resources in a second slot. The apparatus may transmit at least one packet with the reduced transmission power on the one or more resources in the second slot or refraining from transmitting the at least one packet on the one or more resources in the second slot.
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Patent Agency Ranking
公开(公告)号：US20190150118A1
公开(公告)日：2019-05-16
申请号：US16184771
申请日：2018-11-08
Applicant: QUALCOMM Incorporated
Inventor： Wooseok NAM , Tao LUO , Jing SUN , Alexandros MANOLAKOS , Wanshi CHEN , Heechoon LEE , Juan MONTOJO , Peter GAAL
Abstract: Certain aspects of the present disclosure relate to methods and apparatus mapping virtual resource blocks (VRBs) to physical resource blocks (PRBs) and using the mapping in wireless communications, for example, in new radio (NR) technologies. An exemplary method includes determining a first interleaved mapping that maps a first interleaving unit of N consecutive first virtual resource blocks (VRBs) to N consecutive first physical resource blocks (PRBs), wherein each first PRB comprises a set of frequency resources during a period, transmitting a first grant allocating the first interleaving unit of first VRBs to a first user equipment (UE), and communicating with the first UE via the first PRBs mapped to the first VRBs of the first interleaving unit.
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公开(公告)号：US20180338322A1
公开(公告)日：2018-11-22
申请号：US16051074
申请日：2018-07-31
Applicant: QUALCOMM Incorporated
Inventor： Jing SUN , Taesang YOO , Tao LUO
Abstract: A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a base station. The apparatus may transmit a first grant to a UE. The apparatus may determine whether an acknowledgment to the first grant is received. When the acknowledgment to the first grant fails to be received by the apparatus, the apparatus may transmit, to the UE, a second grant including information regarding the first grant. In another aspect, an apparatus may be a UE. The apparatus may receive a first grant. The first grant may include a first Mayday bit. The apparatus may receive a second grant. The second grant may include a TTI count corresponding to a number of unacknowledged TTIs. The second grant may further include a second Mayday bit. The apparatus may determine an acknowledgment based on the TTI count and the first and second Mayday bits.
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公开(公告)号：US20180302186A1
公开(公告)日：2018-10-18
申请号：US15934745
申请日：2018-03-23
Applicant: QUALCOMM Incorporated
Inventor： Akula REDDY , Jing SUN , Tao LUO , Sony AKKARAKARAN , Rahul MALIK , Tamer KADOUS
Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a coreset of time and frequency resources within a control region of a coreset bandwidth. In one aspect, the coreset bandwidth may be based on a minimum bandwidth configuration associated with one or more UEs in a set of UEs. The apparatus may also transmit a PDCCH as a single-carrier waveform via the coreset of time and frequency resources. In one aspect, the PDCCH may be transmitted to each UE in the set of UEs using the coreset bandwidth.
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199.发明申请公开(公告)号：US20180294911A1
公开(公告)日：2018-10-11
申请号：US15873441
申请日：2018-01-17
Applicant: QUALCOMM Incorporated
Inventor： Jing SUN , Tao LUO , Tamer KADOUS , Juan MONTOJO , Xiao feng WANG , Sony AKKARAKARAN
CPC classification number: H04J11/0086 , H04J11/0093 , H04J2011/0096 , H04L5/0053 , H04W48/12 , H04W72/1289
Abstract: User equipment associated with a legacy network may utilize a bottom-to-top search technique to identify relevant control channel samples. Generating a control channel that is configured for the bottom-to-top search technique may lead to poor performance in a single-carrier waveform, which may be disadvantageous as networks move toward New Radio. In some aspects, described herein, a base station generates a control channel that is configured to minimize gaps in the control channel, and a user equipment performs a top-to-bottom search technique to identify relevant control channel samples. By using the top-to-bottom search technique, degradation of single-carrier waveforms is reduced and efficiency is improved.
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公开(公告)号：US20180279292A1
公开(公告)日：2018-09-27
申请号：US15726229
申请日：2017-10-05
Applicant: QUALCOMM Incorporated
Inventor： Tao LUO , Jing SUN , Sony AKKARAKARAN , Tamer KADOUS , Xiao feng WANG , Akula REDDY
Abstract: When a base station is capable of using multiple different types of waveforms for a downlink communication to a UE, the UE may waste processing resources attempting to receive and/or process the downlink communication. For example, the UE may cycle through various possible types of waveforms in an attempt to process the downlink communication. Techniques described herein use waveform signaling for downlink communications to notify the UE of a type of waveform being used for a downlink communication, thereby conserving UE resources (e.g., processing resources, memory resources, RF resources, and/or the like) that would otherwise be wasted attempting to process the downlink communication using multiple types of waveforms.
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