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IEEE commonplace for info technology--Telecommunications and knowledge trade among platforms neighborhood and metropolitan zone networks--Specific specifications half eleven: instant LAN Medium entry keep watch over (MAC) and actual Layer (PHY) standards

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Additional info for Local and Metropolitan Area Networks-Specific Requirements-Part 11: Wireless LAN Medium Access Control (Mac) and Physical Layer (Phy) Specifications:

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2 Semantics of the service primitive This primitive provides the following parameters. 5 X’00’ - X’FF’: 11 Description This parameter represents a single symbol that has been demodulated by the PMD entity. Copyright © 2000 IEEE. All rights reserved. 3 When generated This primitive, which is generated by the PMD entity, forwards received data to the PLCP sublayer. The data clock for this primitive is supplied by the PMD layer based on the PN code repetition. 4 Effect of receipt The PLCP sublayer either interprets the bit or bits that are recovered as part of the PLCP convergence procedure, or passes the data to the MAC sublayer as part of the PSDU.

Request 0, 1, 2, 3 (maximum of 4 levels) TXPWR_LEVEL selects which of the optional transmit power levels should be used for the current PPDU transmission. The number of available power levels is determined by the MIB parameter dot11NumberSupportedPo werLevels. 2 provides further information on the optional High Rate PHY power-level control capabilities. Copyright © 2000 IEEE. All rights reserved. 3 When generated This primitive is generated by the PLCP sublayer to select a specific transmit power.

All rights reserved. 4). The propagation delay shall be regarded as being included in the energy detect time. 2, is 224 µs. A conformant PMD meets this switching time specification when the operating channel center frequency has settled to within ±60 kHz of the nominal channel center. Stations shall not transmit until after the channel change settling time. 13 Transmit and receive antenna port impedance The impedance of the transmit and receive antenna port(s) shall be 50 Ω if the port is exposed.

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