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公开(公告)号：US11277771B2
公开(公告)日：2022-03-15
申请号：US16552897
申请日：2019-08-27
Applicant: Apple Inc.
Inventor： Yifan Yu , Sunny Zhang , Guangjie Li
Abstract: Embodiments describe methods and apparatuses for a software-defined cellular system with distributed antennas and baseband units (BBUs). The BBUs may be implemented with software defined network (SDN) technology in some embodiments. Embodiments include provision of a dynamic connection between distributed antennas and a BBU to serve a scheduled UE. In some embodiments, a BBU may select a scheduling set of antennas that may provide a desired connection with the UE. Other embodiments may be described and/or claimed.
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公开(公告)号：US11082950B2
公开(公告)日：2021-08-03
申请号：US16078999
申请日：2016-10-28
Applicant: Apple Inc.
Inventor： Qian Li , Guangjie Li , Geng Wu , Xiaoyun May Wu , Joonbeom Kim , Hassan Ghozlan , Dawei Ying , Vesh Raj Sharma Banjade , Satish Chandra Jha , Yaser M. Fouad , Lu Lu
Abstract: Embodiments of a network User Equipment (nUE), wearable User Equipment (wUE), and methods for sidelink communication are generally described herein. The nUE may transmit a control channel that allocates a subframe as either a downlink subframe or an uplink subframe for a sidelink communication between the nUE and a wearable User Equipment (wUE). When the control channel allocates the subframe as a downlink subframe, the nUE may contend for access to channel resources. The contention may include transmission of a transmitter resources acquisition and sounding (TAS) channel in a physical resource block (PRB) and an attempted detection of a receiver resources acquisition and sounding (RAS) channel from the wUE in the PRB. When the control channel allocates the subframe as an uplink subframe, the wUE may contend for access to the channel resources.
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公开(公告)号：US11664952B2
公开(公告)日：2023-05-30
申请号：US17509954
申请日：2021-10-25
Applicant: Apple Inc.
Inventor： Joonbeom Kim , Vesh Raj Sharma Banjade , Guangjie Li , Qian Li , Satish Chandra Jha , Hassan Ghozlan , Dawei Ying , Yaser M. Fouad , Lu Lu
IPC: H04L5/00 , H04W88/02 , H04L27/18 , H04W76/14 , H04W4/70 , H04L67/12 , H04W52/02 , H04W72/02 , H04W72/04
CPC classification number: H04L5/0057 , H04L5/0051 , H04L27/18 , H04L67/12 , H04W4/70 , H04W52/0212 , H04W72/02 , H04W72/048 , H04W76/14 , H04W88/02
Abstract: Systems and methods of providing DMRS for a UE are generally described. The DMRS locations in a resource unit of a Physical Resource Allocation of a shared channel are randomly determined, and the DMRS sequences randomly generated before transmission from a master UE to a wearable UE. The DMRS locations are disposed on different subcarriers and symbols in the resource unit and are repeated every k subframes or m resource units within the same subframe. In situations in which the collision/contention probability is relatively small, DMRS in control channels may be used rather than in the shared data channel.
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公开(公告)号：US11159298B2
公开(公告)日：2021-10-26
申请号：US16079470
申请日：2016-10-28
Applicant: Apple Inc.
Inventor： Joonbeom Kim , Vesh Raj Sharma Banjade , Guangjie Li , Qian Li , Satish Chandra Jha , Hassan Ghozlan , Dawei Ying , Yaser M. Fouad , Lu Lu
IPC: H04L5/00 , H04W88/02 , H04L27/18 , H04W76/14 , H04W4/70 , H04L29/08 , H04W52/02 , H04W72/02 , H04W72/04
Abstract: Systems and methods of providing DMRS for a UE are generally described. The DMRS locations in a resource unit of a Physical Resource Allocation of a shared channel are randomly determined, and the DMRS sequences randomly generated before transmission from a master UE to a wearable UE. The DMRS locations are disposed on different subcarriers and symbols in the resource unit and are repeated every k subframes or m resource units within the same subframe. In situations in which the collision/contention probability is relatively small, DMRS in control channels may be used rather than in the shared data channel.
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公开(公告)号：US20220077994A1
公开(公告)日：2022-03-10
申请号：US17509954
申请日：2021-10-25
Applicant: Apple Inc.
Inventor： Joonbeom Kim , Vesh Raj Sharma Banjade , Guangjie Li , Qian Li , Satish Chandra Jha , Hassan Ghozlan , Dawei Ying , Yaser M. Fouad , Lu Lu
IPC: H04L5/00 , H04W88/02 , H04L27/18 , H04W76/14 , H04W4/70 , H04L29/08 , H04W52/02 , H04W72/02 , H04W72/04
Abstract: Systems and methods of providing DMRS for a UE are generally described. The DMRS locations in a resource unit of a Physical Resource Allocation of a shared channel are randomly determined, and the DMRS sequences randomly generated before transmission from a master UE to a wearable UE. The DMRS locations are disposed on different subcarriers and symbols in the resource unit and are repeated every k subframes or m resource units within the same subframe. In situations in which the collision/contention probability is relatively small, DMRS in control channels may be used rather than in the shared data channel.
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Patent Agency Ranking
公开(公告)号：US11038640B2
公开(公告)日：2021-06-15
申请号：US16475782
申请日：2017-12-29
Applicant: Apple Inc.
Inventor： Qian Li , Guangjie Li , Xiaoyun Wu , Geng Wu
Abstract: An apparatus is configured to be employed within a base station. The apparatus comprises baseband circuitry which includes a radio frequency (RF) interface and one or more processors. The one or more processors are configured to obtain channel information and data information for a user equipment (UE) device, determine control information for the UE device based on the obtained channel information and data information, generate a channel format for the determined control information and having varied subband sizes, and provide the channel format to the RF interface for a downlink transmission to the UE device.is configured to be employed within a base station.
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公开(公告)号：US10791515B2
公开(公告)日：2020-09-29
申请号：US16067669
申请日：2016-06-27
Applicant: Apple Inc.
Inventor： Qian Li , Guangjie Li , Xiaoyun May Wu , Geng Wu
Abstract: This disclosure describes frame structures and layer one (L1) procedures suitable for Xu air interfaces. Features of the design are designed for energy-efficient operation and to meet other performance specifications and characteristics of ultra-dense user equipment deployments.
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公开(公告)号：US10749635B2
公开(公告)日：2020-08-18
申请号：US16079617
申请日：2016-10-31
Applicant: Apple Inc.
Inventor： Qian Li , Guangjie Li , Geng Wu , Xiaoyun May Wu , Joonbeom Kim , Hassan Ghozlan , Dawei Ying , Vesh Raj Sharma Banjade , Satish Chandra Jha , Yaser M. Fouad , Lu Lu
Abstract: Embodiments of a system and method for random access and scheduling request for new radio things sidelink are generally described herein. In some embodiments, a nUE (network user equipment) schedules a RA (random access) resource in a control channel. The nUE decodes a TAS (transmitter resource acquisition and sounding) payload, received from a wUE (wearable user equipment) in a PRB (physical resource block) addressed to a RA-ID (random access identifier) associated with the nUE. The nUE encodes, in response to decoding the TAS payload, a RAS (receiver resource acknowledgement and sounding) payload in the PRB. The nUE decodes initial access content received via a data channel from the wUE, the initial access content including a pro posed temp ID (temporary identifier) for addressing the wUE. The nUE encode, in response to the initial access content, an ACK (acknowledgement), addressed to the wUE, to accept initial access of the wUE.
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公开(公告)号：US10771120B2
公开(公告)日：2020-09-08
申请号：US15074951
申请日：2016-03-18
Applicant: Apple Inc.
Inventor： Guangjie Li , Wenting Chang , Yushu Zhang
IPC: H04B7/0413 , H04L25/03 , H04L25/02
Abstract: Embodiments of the present disclosure describe systems, devices, and methods for preprocessing in a base station of a multiple-input multiple-output (MIMO) wireless system. In embodiments, remote radio unit (RRU) circuitry may control radio communication related to the MIMO wireless system, including applying a user equipment (UE)-specific spatial filter.
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公开(公告)号：US10707929B2
公开(公告)日：2020-07-07
申请号：US15756991
申请日：2015-09-10
Applicant: Apple Inc.
Inventor： Wenting Chang , Xu Zhang , Yujun Chen , Jiansong Tian , Guangjie Li , Ye Wu , Feng Zhou
IPC: H04B7/0452 , H04L25/02 , H04W28/06 , H04W8/00 , H04B7/08 , H04B7/0413 , H04L29/06 , H04L27/26 , H04W88/08
Abstract: A method of processing signals in a radio processing apparatus of a base station may include obtaining a plurality of aggregated data symbols, wherein each of the plurality of aggregated data symbols corresponds to a receive terminal of a plurality of receive terminals of the base station and is composed of transmitted data symbols from a plurality of transmit terminals; applying a compression filter to the plurality of aggregated data symbols to reduce the plurality of aggregated data symbols into a plurality of isolated data symbols, the compression filter being based on channel estimates between the plurality of receive terminals and the plurality of transmit terminals; and transmitting the plurality of isolated data symbols to a baseband processing apparatus of the base station.
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