MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202618073403 A) filed by Telefonaktiebolaget Lm Ericsson Publ on June 12, 2026, for Transmission And Reception Of A Physical Layer Packet With Midambles.
Inventors include Lopez, Miguel; and Wilhelmsson, Leif.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: A method is disclosed of a transmitter configured to transmit a physical layer packet having a plurality of midambles. The method comprises applying a respective phase shift for each midamble of the physical layer packet, and transmitting the physical layer packet. The respective phase shift is applied to at least a portion of symbols of the midamble. A method is also disclosed of a receiver configured to receive a physical layer packet having a plurality of midambles. The method comprises receiving the physical layer packet, and counteracting a respective phase shift for each midamble of the physical layer packet. Counteracting the respective phase shift comprises applying an opposite of the respective phase shift to at least a portion of symbols of the midamble or compensating the respective phase shift for at least a portion of symbols of the midamble. The respective phase shift is from a sequence of phase shifts having random, or pseudo- random, character. In some embodiments, the plurality of midambles may comprise a plurality of periodically occurring midambles. Corresponding apparatuses, transmitter, receiver, communication device, vehicle, and computer program product are also disclosed.
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