Patent ID: 11901973
Assignee: QUALCOMM INCORPORATED
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A portable apparatus for wireless communication, comprising:
a primary antenna;
a secondary antenna;
a transmit path coupled to the primary antenna and configured to output a transmit signal for transmission via the primary antenna;
a first radio frequency (RF) coupler coupled to the secondary antenna;
a receive path having an input selectively coupled between the transmit path and the first RF coupler;
a diversity path, wherein the secondary antenna comprises a diversity antenna and wherein the first RF coupler is a diversity coupler coupled to the diversity path and selectively coupled to the receive path;
a memory; and
at least one processor coupled to the memory, the at least one processor and the memory being configured to operate the portable apparatus in an object detection mode, which includes the receive path being coupled to the first RF coupler, being configured to operate concurrently with the transmit path, and being configured to receive a reflected portion of the transmit signal from an object located in proximity to the portable apparatus.