Telefonaktiebolaget Lm Ericsson (publ)

Charter Communications Operating, LLC

Verizon Patent and Licensing Inc.

Nokia Technologies Oy

Intel Corporation

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Withrow & Terranova, Pllc

Amitav Mukherjee

Jung-Fu Cheng

Maulik Vijay Vaidya

Havish Koorapaty

Ahmad Reza Hedayat

Sorour Falahati

Daniel Chen Larsson

Reem Karaki

Yu Yang

Henrik Sahlin

Gen Li

Peter Alriksson

Curt C Wong

Patricia Ruey Chang

Pratik Das

Fredrik Lindqvist

Meng Wang

Yi-Pin Eric Wang

Henning Wiemann

Laetitia Falconetti

Xingqin Lin

Abdulrauf Hafeez

Sayantan Choudhury

Qinghua Li

Jong-Kae Fwu

Yuan Zhu

Jinhua Liu

Xiaogang Chen

Stefano Sorrentino

Chittabrata Ghosh

Hujun Yin

Kumar Balachandran

Mika Kasslin

Du Ho Kang

Yildirim Sahin

Evanny Obregon

Frank Azcuy

Diwelawatte P J Jayawardene

Oskar Drugge

Tai Do

Cagatay Capar

Emma Wittenmark

Anil Krishna Guntupalli

Fred Weisbrod

Diwelawatte P Jayawardene

Dumitru M Ionescu

Marcus Maranhao

Klaus Franz Doppler

Honggang Li

David Sugirtharaj

Cong Shi

Esa Juhani Tuomaala

Bruhtesfa Godana

Daniel Larsson

Ahmad Reza Hedavat

Evanny Obregoon

Reem Karaki Karaki

Falahati Sorour

Jung-Fo Cheng

Sorour Falati

Yang Yu

Jari Junell

Communication management hardware controls operation of multiple wireless stations in a network environment. For example, the communication management hardware initially assigns wireless bandwidth for use by multiple wireless stations in a wireless network environment to communicate amongst each other. The communication management hardware monitors use of the wireless bandwidth. In response to detecting use of the wireless bandwidth by an incumbent entity having higher priority rights than the multiple wireless stations, the communication management hardware operates in a shared time-division mode in which both the multiple wireless stations and the incumbent entity share use of the wireless bandwidth in a control period according to a duty cycle in which the wireless stations are provided full use of the wireless bandwidth during a first portion of the control period and the wireless stations are provided reduced use of the wireless channels for a second portion of the control period.

Channel management and shared use of wireless spectrum

According to one configuration, a system includes a first wireless station in communication with a second wireless station. Signal processor hardware receives, from a first phase noise predictor (model), a first common phase error signal to compensate for: i) first phase noise associated with a first wireless station, and ii) second phase noise associated with a second wireless station. The signal processor hardware implements a predictive feedback compensation loop (such as including a second phase noise predictor) to produce a second (i.e., corrected) common phase error signal from the received common phase error signal. The signal processor hardware outputs the corrected common phase error signal to adjust phases of sub-carrier frequencies used to communicate data from the first wireless station to the second wireless station.

Phase noise compensation in a wireless system

A communication management resource implements an iterative process to derive settings for digital precoder W, analog precoder A, and decode function D with a bandwidth-limited fronthaul link between the application of digital precoder W and the application of analog precoder A. The iterative process includes: for a first instance of digital precoder W and decode function D, optimize an instance of the analog precoder A; and based on the optimized instance of the analog precoder A, optimize a second instance of the digital precoder W and the decode function D. In one implementation, for each iteration of multiple iterations, the communication management resource: i) optimizes an instance of the analog precoder A based on an instance of the digital precoder W and the decode function D, and ii) optimizes an instance of the digital precoder W and the decode function D based on the instance of the analog precoder A.

Decode signal compensation in a wireless system

A first wireless communications device including a transmitter, such as a base station or UE, identifies a first traffic flow, e.g., a TCP packet flow, for which end to end packet retransmission is supported. The first wireless communications device transmits an explicit indication to a second wireless communications device to skip Hybrid Automatic Repeat Request (HARQ) feedback for data, corresponding to the first traffic flow, said data being transmitted to the second wireless communications device. The explicit indication to skip HARQ feedback for data is, e.g., one of: a HARQ Off Indicator in a Downlink Control Information (DCI) Scheduling message, a Semi-Persistent Scheduling HARQ Off Indicator, or a AUL HARQ Off Indicator. HARQ suppression is applied for the first traffic flow at a radio link layer and/or MAC layer.

Disabling hybrid automatic repeat request (HARQ) acknowledgments for packets for which acknowledgements are supported at network or higher layer

A wireless station is allocated use of a time slot in a given direction, uplink or downlink, on a given channel. The wireless station monitors for presence of wireless energy during a portion of the time slot. Based on a detected level of the wireless energy in the time slot, the wireless station controls transmission of wireless communications in a direction opposite to the configured direction in a remaining part of the time slot.

Use of allocated wireless channels in a wireless network

Apparatus and methods for improving throughput and reliability in a wireless network. In one embodiment, the apparatus and methods provide mechanisms for wireless user device buffer management that mitigate buffer overflow within the device due to overscheduling, such as from different networks with which the device is connected simultaneously. In one variant, a 3GPP-based signaling architecture from wireless device to the multiple networks is provided to enable user device-controlled management buffer overflow. In another variant, potentially buffer-demanding (e.g., HARQ) process management and prioritization rules are defined to avoid buffer overflow. In other variant, buffer size computation is provided considering the number of networks to which the wireless user device can connect.

Apparatus and methods for user device buffer management in wireless networks

Methods and apparatus for managing system information message transmission in a distribution network (e.g., a wireless network such as one compliant with 3GPP 5G NR-U). In one embodiment, transmission of multiple SI (System Information) messages with overlapping SI-windows is enabled but with no soft-combining support. In another embodiment, transmission of multiple SI-messages with overlapping SI-windows is enabled with soft-combining support. In yet another embodiment, aperiodic OSI transmission is enabled. Moreover, the present disclosure provides mechanisms for notifying UE of an SI change.

Methods and apparatus for system information management in a wireless system

A master node (MN) communicating with a UE using resources of a first band of unlicensed spectrum sends an addition request to a selected secondary node, to request resources for supporting the UE in a second band of unlicensed spectrum. The addition request includes timing information including one or more of: i) information indicating a start time for the MN time division duplexing (TDD) timing structure with respect to the UE, or ii) information indicating a reference clock being used by the MN. The secondary node uses the received timing information from the MN to perform timing alignment at the secondary node. The adjusted timing alignment of the secondary node allows the UE to achieve slot-boundary and/or symbol boundary alignment with regard to MN communications using the first unlicensed spectrum and SN communications using the second unlicensed spectrum. Due to the achieved synchronization, an in-device coexistence (IDC) problem is avoided.

Methods and apparatus relating to communicating and/or using timing information to facilitate carrier aggregation and/or dual connectivity

A method in a wireless device () comprises obtaining () information related to a signal transmission configuration for autonomous uplink transmission by the wireless device, the information comprising: a set of pre-allocated resources for use by the wireless device in performing autonomous uplink transmission on at least one secondary cell established between the wireless device and a network node (); and a periodicity associated with the set of pre-allocated resources. The method comprises performing () autonomous uplink transmission according to the obtained information related to the signal transmission configuration.

Collision avoidance adaptation for autonomous transmission systems

Embodiments herein relate to a method performed by a scheduling node for scheduling an uplink transmission from a wireless device to the scheduling node, which wireless device is connected to a Primary Cell, Pcell, of the scheduling node in a licensed or unlicensed frequency band, and wherein the wireless device is also connected to at least one Secondary Cell, SCell, in an unlicensed frequency band. The scheduling node determines at least one Listen Before Talk, LBT, parameter associated with an LBT procedure and informs the wireless device about the determined at least one LBT parameter in a scheduling grant of the uplink transmission.

Channel access configuration

A base station generates, e.g., based on current UE and current system information, a UE specific paging priority list for an idle or inactive mode UE identifying a set of (small cell base) stations which are to be used to subsequently page the UE. The base station communicates the paging priority list to the UE in a radio resource control release message. In some embodiments, the release message further conveys information indicating a maximum paging monitoring duration and/or a maximum number of paging cells to be monitored. The UE receives the release message and transitions into idle or inactive mode. The UE uses the communicated information to perform efficient paging, identifying which small cells are potential sources of a paging signal, and determine how long to monitor for a paging signal.

Paging related methods and apparatus

One or more shared data channels, e.g., PDSCH, PUSCH, PSSCH, are configured to be DMRS-free, thus allowing the resources which would be used for DMRS to be used to convey additional traffic data signals. Channel estimation based on control channel DMRS, e.g., PDCCH DMRS, PUCCH DMRS, or PSSCH/PSCCH DMRS, is used to demodulate and/or decode the traffic channel signals communicated on the DMRS-free shared traffic channel resources. Antenna port hopping is implemented as part of the PDCCH configuration to support a DMRS-free PDSCH. The antenna port hopping of the PDCCH is used to obtain a set of channel estimates based on PDDCH DMRS corresponding to different antenna ports which will match the antenna ports used for the PDSCH.

DMRS-free operation of new radio (NR) shared channels

The present invention relates to methods and apparatus for providing backhaul wireless services using a plurality of different Radio Access Technologies. An exemplary method embodiment includes the steps of: determining a set of routes for the communication of data from a first wireless base station to a destination wireless base station over wireless backhaul communications links, the first wireless base station being an Integrated Access and Backhaul donor, receiving data of a first flow at the first wireless base station for communication to a first wireless user equipment device attached to the destination wireless base station; and selecting, at the first wireless base station, one or more of the routes of the set of routes from the first wireless base station to the destination wireless base station, the selection being based on multi-Radio Access Technology (multi-RAT) capability of wireless base stations of which a route is comprised.

Methods and apparatus for multi-radio access technology access and backhaul

A network control device, e.g., a gNB, receives a message from a communications device, e.g. a UE, indicating that the communications device is experiencing an in-device coexistence (IDC) problem, e.g. in the 52.6 GHz-71 GHz frequency range with respect to NR-U and WiGig. The message is one of: i) an IDC assistance message indicating that the victim system is Wi-Gig or ii) an antenna panel switch message requesting that the network control device instruct the communications device to change the antenna panel that it uses for uplink NR signaling. The network control device generates and sends a response message to the communications device including: a selected new frequency to be used by the communications device for uplink NR signaling or a selected different antenna panel to be used by the communications device for uplink NR signaling. The communications device implements the change reducing or avoiding the IDC problem.

In-device coexistence for new radio

Methods and apparatus for supporting wireless medium sharing in wireless communications systems, e.g., various 802.11 wireless communications systems, are described. A novel shared transmission type of trigger frame is implemented, which allows a wireless station, acting as a host station, to make available transmission resources, which have been acquired by the wireless station, to one or more guest stations. A shared transmission type of trigger frame, generated and transmitted by the host station communicates information identifying the attributes of a corresponding trigger based (TB) frame, information identifying resources of the TB frame to be used by the host station and information identifying one or more set of shared resources which may be used by guest station(s). The trigger based (TB) frame, corresponding to the transmitted shared transmission type trigger frame, is used by the host station and one or more guest stations to transmit data to an access point.

Methods and apparatus for supporting wireless medium sharing

Growing community of inventors

Fremont, CA, United States of America

Amitav Mukherjee