Next generation node-B (GNB) for integrated access and backhaul (IAB) relay in new radio (NR) networks

US10785699B2 · kind B2 · utility

Assignee

• Apple Inc. · US

Inventors

• Alexander Sirotkin · Nahf, IL
• Candy Yiu · Beaverton, US
• Qian Li · Lo Wu, CN
• Sudeep Palat · Cheltenham, GB
• Song Noh · Incheon, KR
• Geng Wu · Portland, US
• Lili Wei · Portland, US
• Hassan Ghozlan · Hillsboro, US
• Dawei Ying · Hillsboro, US
• Ozgur Oyman · San Jose, US
• Thomas Luetzenkirchen · Taufkirchen, DE
• Shankar Sudhir Pola · Bengaluru, IN
• Usharani Ayyalasomayajula · Bengaluru, IN

Key dates

• Filing date: Mar 27, 2019
• Grant date: Sep 22, 2020
• Expiry date: Mar 27, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W92/12
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Embodiments of a Next Generation Node-B (gNB) and methods of communication are disclosed herein. The gNB may be configured with a gNB central unit (gNB-CU) and a gNB distributed unit (gNB-DU). The gNB-CU may determine a route for delivery of a data packet to a User Equipment (UE) on an integrated access backhaul (IAB) of relays. The gNB may generate a physical layer (PHY) data packet in accordance with a split between functionality of a packet data convergence protocol (PDCP) layer at the gNB-CU and functionality of a radio link control (RLC) layer at the gNB-DU. The PHY data packet may include the data packet, a PDCP header, an adaptation layer header, an RLC header, a medium access control (MAC) header, and a PHY header. The adaptation layer header may indicate one or more relays included in the route.