公开(公告)号：US20240094409A1

公开(公告)日：2024-03-21

申请号：US18220729

申请日：2023-07-11

Applicant: Apple Inc.

Inventor： Anjan Ramakrishnan ,  Aditya N Srivastava ,  Harsha Shirahatti ,  Mojtaba Bahrami

IPC: G01S19/30

CPC classification number: G01S19/30

Abstract: A receiver device includes a first antenna, a second antenna, a first receiver, a second receiver, and processing circuitry. The first receiver is coupled to the first antenna and configured to receive a first signal from a Global Navigation Satellite System (GNSS) satellite via the first antenna. The second receiver is coupled to the second antenna and configured to receive a second signal indicative of a secondary code boundary corresponding to a secondary code in the first signal from a second receiver device via the second antenna. The processing circuitry is configured to receive a primary code by removing the secondary code from the first signal based on the secondary code boundary, perform coherent integration on the primary code, and output a geographic position of the receiver device based on the coherent integration.

公开(公告)号：US20230091349A1

公开(公告)日：2023-03-23

申请号：US17700115

申请日：2022-03-21

Applicant: Apple Inc.

Inventor： Harsha Shirahatti ,  Helena D O'Shea ,  Mohamed Youssef ,  Aditya N Srivastava ,  Glenn D MacGougan

IPC: H04W74/08 ,  H04L5/00 ,  H04W72/04

Abstract: User equipment (UE) may determine a probability that a cellular network may allocate a resource block to the UE having a frequency that, when a cellular transmitter of the UE transmits a radio frequency (RF) signal using the resource block, a harmonic signal may be generated that interferes with a global navigation satellite systems (GNSS) signal received by a GNSS receiver of the UE. The probability may be determined based on a number of factors that may impact resource block allocation, including a location of the UE, a current date and/or time, a historical allocation of resource blocks (which may be crowdsourced), a client type associated with a signal to be transmitted, a signal environment at the UE, real world conditions, and so on. Based on the probability, the UE may selectively perform a mitigation procedure or transmit an RF signal without performing the mitigation procedure.