Transmission and reception of a physical layer packet with midambles

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A method of a receiver configured to receive a physical layer packet having a plurality of midambles, the method comprising:

• receiving the physical layer packet;
• and
• counteracting a respective phase shift for each midamble of the physical layer packet, wherein the respective phase shift is from a sequence of phase shifts having random, or pseudo-random, character, and wherein 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.

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An apparatus for a transmitter configured to transmit a physical layer packet having a plurality of midambles, the apparatus comprising controlling circuitry configured to cause:

• application of a respective phase shift for each midamble of the physical layer packet, wherein the respective phase shift is from a sequence of phase shifts having random, or pseudo-random, character, and wherein application of the respective phase shift is to at least a portion of symbols of the midamble;
• and
• transmission of the physical layer packet.

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An apparatus for a receiver configured to receive a physical layer packet having a plurality of midambles, the apparatus comprising controlling circuitry configured to cause:

• reception of the physical layer packet;
• and
• counteraction of a respective phase shift for each midamble of the physical layer packet, wherein the respective phase shift is from a sequence of phase shifts having random, or pseudo-random, character, and wherein counteraction of the respective phase shift comprises application of an opposite of the respective phase shift to at least a portion of symbols of the midamble or compensation of the respective phase shift for at least a portion of symbols of the midamble.

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