公开(公告)号：US20250112674A1

公开(公告)日：2025-04-03

申请号：US18824491

申请日：2024-09-04

Applicant: Apple Inc.

Inventor： Minghai Feng ,  Hao Sun ,  Cheng Li ,  Yong Ba ,  Kexin Ma ,  Vijay Gadde ,  Dikshit Garg ,  Zhengbo Zhu ,  Drew Narciso Mera ,  Chenjia Wei

IPC: H04B7/0426 ,  H04L5/00 ,  H04W74/0833

Abstract: Systems and methods described herein may enable user equipment to confirm and/or change a multiple input, multiple output (MIMO) communication configuration selected by a network, such as to change a number of data layers used in the MIMO communication and/or to change one or more antennas used in the MIMO communication. The user equipment may confirm and/or change the MIMO communication configuration based on transmit power levels associated with the one or more antennas, a distance between power amplifiers and respective antennas, or the like, as described herein.

公开(公告)号：US20250112673A1

公开(公告)日：2025-04-03

申请号：US18815622

申请日：2024-08-26

Applicant: Apple Inc.

Inventor： Minghai Feng ,  Cheng Li ,  Dikshit Garg ,  Kexin Ma ,  Vijay Gadde ,  Yong Ba ,  Zhengbo Zhu

IPC: H04B7/0413 ,  H04L5/00 ,  H04W52/08 ,  H04W72/1268

Abstract: Systems and methods described herein may enable user equipment to confirm and/or change a multiple input, multiple output (MIMO) communication configuration selected by a network, such as to change a number of data layers used in the MIMO communication and/or to change one or more antennas used in the MIMO communication. The user equipment may confirm and/or change the MIMO communication configuration based on transmit power levels associated with the one or more antennas, a distance between power amplifiers and respective antennas, or the like, as described herein.

公开(公告)号：US20240015495A1

公开(公告)日：2024-01-11

申请号：US17860704

申请日：2022-07-08

Applicant: Apple Inc.

Inventor： Minghai Feng ,  Weiku Zhai ,  Tao Zeng ,  Cheng Li ,  Yaoqi Yan ,  Ying Zhang ,  Jishan Gao ,  Yong Ba ,  Ruirui Zong

IPC: H04W8/00 ,  H04W76/10 ,  H04W48/18

CPC classification number: H04W8/005 ,  H04W76/10 ,  H04W48/18

Abstract: An electronic device may include wireless circuitry with first and second receivers. Each receiver may include circuitry for receiving radio-frequency signals using a first radio access technology (RAT) and using second or additional RATs. The wireless circuitry may perform system selection in which the receivers attempt to acquire a signal transmitted by a base station using different RATs. The first receiver and the second receiver may concurrently perform system selection in which the first receiver performs a band scan over the first RAT while the second receiver concurrently performs a band scan over a second or additional RAT. Additional band scans may be performed as needed until a signal is acquired. Once a signal is acquired, the wireless circuitry may establish cellular communications with the wireless base station based on the acquired signal. This may minimize the amount of time required to begin cellular telephone communications in many situations.