US 10764803

A detailed analysis of United States Patent 10,764,803 is provided below. As of April 26, 2026, there is no evidence of this patent being the subject of litigation in the 2026 dockets of the U.S. Court of Appeals for the Federal Circuit (CAFC).

Summary of U.S. Patent 10,764,803

Title: Enhanced uplink operation in soft handover

Assignee: The current assignee of record is Pantech Wireless LLC. The original assignee was Signal Trust for Wireless Innovation.

Inventors:

• Stephen G. Dick
• Stephen E. Terry
• Guodong Zhang
• James M. Miller
• Sung-Hyuk Shin

Filing Date: August 6, 2019

Issue Date: September 1, 2020

Abstract:
A method, wireless transmit/receive unit (WTRU), and a wireless network node configured for wireless communications comprising receiving, by the WTRU, configuration information for a primary cell and one or more non-primary cells, receiving, by the WTRU, a message on the primary cell, the received message including indication of at least one of the one or more non-primary cells from which the WTRU is to receive a downlink shared channel transmission, and in response to the received message, receiving and processing, by the WTRU, the downlink shared channel transmission from the indicated at least one of the one or more non-primary cells.

Plain-Language Overview of Independent Claims

U.S. Patent 10,764,803 contains three independent claims: 1, 7, and 13.

Independent Claim 1: This claim protects a wireless transmit/receive unit (WTRU), such as a mobile phone. The device is configured to operate in a wireless network where it is connected to a primary cell and one or more non-primary cells, all associated with the same wireless network node. The WTRU first receives configuration information for these cells. It then receives a message specifically on the primary cell. This message indicates which of the non-primary cells will be used for a subsequent downlink shared channel transmission. In response to this message, the WTRU then receives and processes this transmission from the indicated non-primary cell(s).

Independent Claim 7: This claim covers the method or process performed by the WTRU described in claim 1. It outlines the steps of:

1. Receiving configuration information for a primary cell and one or more non-primary cells that are all associated with the same wireless network node.
2. Receiving a message on the primary cell that specifies one or more of the non-primary cells for a downlink shared channel transmission.
3. In response to that message, receiving and processing the downlink shared channel transmission from the designated non-primary cell(s).

Independent Claim 13: This claim protects the wireless network node, such as a base station, that facilitates the communication described in the previous claims. The network node is configured to:

1. Transmit configuration information for a primary cell and one or more non-primary cells to a WTRU.
2. Transmit a message to the WTRU on the primary cell. This message indicates to the WTRU on which of the non-primary cells a downlink shared channel transmission is scheduled.