US 11,388,697 B2Granted

HARQ process for multiuser broadcast transmission node

AssigneeKYOCERA Corporation

InventorAmit Kalhan

Life of this patent

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Abstract

A relay node receives a data block containing multiplexed data streams intended for multiple user equipment (UE) devices being served by the relay node. The relay node extracts the data streams from the data block and allocates them each to a separate narrowband channel that is associated with a particular UE device. The relay node repeatedly transmits the narrowband channels to the UE devices in a broadcast transmission that is transmitted for a predetermined number of repetitions. Each UE device decodes their own respective narrowband channel to obtain the data stream intended for the UE device associated with a particular narrowband channel. A feedback mechanism is utilized by the relay node to determine whether to retransmit a data packet or a new data packet in subsequent broadcast transmissions.

Claims22

Dependent claims

A method comprising:

receiving, at a relay node from a base station, a block of data comprising a plurality of multiplexed data streams, each data stream intended to be received by one of a plurality of user equipment (UE) devices being served by the relay node;
extracting each of the plurality of data streams from the block of data received at the relay node;
transmitting control information from the relay node to the plurality of UE devices;
transmitting a broadcast transmission from the relay node to the plurality of UE devices, the broadcast transmission comprising the plurality of data streams extracted from the block of data, each of the plurality of UE devices configured to apply the control information to attempt to receive the data stream intended to be received by the UE device;
and
receiving a feedback message from each of the plurality of UE devices, each feedback message regarding the attempt to receive the data stream intended to be received by the UE device.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/040,838Filed 23 Apr 2019 · us provisional application
Priority: 23 Apr 2018
Published: US 2021/0022114 A121 Jan 2021
Granted: 12 Jul 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification28 codes

H04W 72/30
Local resource management: resource management for broadcast services
G16Y 30/00
Iot infrastructure
G16Y 40/35
Control: management of things, i.e. controlling in accordance with a policy or in order to achieve specified objectives
H04B 7/155
Active relay systems: ground-based stations

Family

Application62/661,253Us provisional application · filed 23 Apr 2018
Application62/682,081Us provisional application · filed 7 Jun 2018
Application62/682,090Us provisional application · filed 7 Jun 2018
Application62/682,095Us provisional application · filed 7 Jun 2018
US 2021/0022114 A1Pre-grant publication · published 21 Jan 2021
US 11,388,697 B2This patent

From the US filing history. Foreign family members aren’t listed.