Generation and transmission of physical layer data units in a composite communication channel in a vehicular communication network

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United States of America Patent

PATENT NO 11665036
APP PUB NO 20200328856A1
SERIAL NO

16844727

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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At least a portion of a physical layer (PHY) preamble of a PHY protocol data unit (PPDU) for transmission in a vehicular communication network is generated to span a first bandwidth a) based on a first orthogonal frequency division multiplexing (OFDM) numerology that is defined for a second bandwidth greater than the first bandwidth and b) down-clocked to generate the at least the portion to span the first bandwidth. The at least the portion includes a legacy portion decodable by a legacy device operating in the network. A data portion is generated based on a second OFDM numerology defined to span the second bandwidth. The PPDU is generated to include the at least the legacy portion of the PHY preamble in a first sub-band, a duplicate of the at least the portion of the preamble in a second sub-band, and the data portion that spans the second bandwidth.

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Patent Owner(s)

  • MARVELL ASIA PTE, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Rui Fremont, US 187 914
Chu, Liwen San Ramon, US 469 3588
Sharma, Prashant Santa Clara, US 117 399
Zhang, Hongyuan Fremont, US 950 13765

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