Method and apparatus for supporting wideband and multiple bandwidth transmission protocols

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11778660
APP PUB NO 20210168860A1
SERIAL NO

17176737

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Abstract

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Enhanced protocols and devices may be used to alleviate loss of spectrum efficiency in wideband transmission. The protocols may implement a wideband transmission opportunity (TXOP) truncation where one or more of the channels involved in communication over the wideband are released. In one scenario, an access point (AP) may receive, from a wireless transmit receive unit (WTRU), a first CF-End frame that includes a duration field and a basic service set identifier (BSSID) field that includes an individual/group bit. On a condition that the individual/group bit of the BSSID field has a value of one (1), the AP may determine that a scrambling sequence of the first CF-End frame indicates a bandwidth associated with a transmit opportunity (TXOP) being truncated by the WTRU. The AP may then transmit a second CF-End frame at the bandwidth indicated by the scrambling sequence of the first CF-End frame.

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Patent Owner(s)

Patent OwnerAddress
INTERDIGITAL PATENT HOLDINGS INCWILMINGTON DE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anepu, Bhaskar M Allentown, US 19 1141
Grandhi, Sudheer A Pleasanton, US 193 4658
Wang, Xiaofei Cedar Grove, US 262 3553

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