LONG TRAINING FIELD SEQUENCE CONSTRUCTION
First Claim
1. An apparatus for facilitating wireless communication, the apparatus comprising:
- one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors configured to cause;
determining a channel bandwidth among a plurality of bandwidths including a 20 megahertz (MHz) channel bandwidth, 40 MHz channel bandwidth, and 80 MHz channel bandwidth;
determining a high efficiency long training field (HE-LTF) mode among a plurality of HE-LTF modes including a 4×
HE-LTF mode and a 2×
HE-LTF mode;
generating an HE-LTF symbol by using an HE-LTF sequence corresponding to the determined channel bandwidth and the determined HE-LTF mode, wherein the HE-LTF sequence is among a plurality of HE-LTF sequences for the plurality of bandwidths and the plurality of HE-LTF modes; and
transmitting a high efficiency physical layer convergence procedure (PLCP) protocol data unit (HE PPDU) including the HE-LTF symbol, in the determined channel bandwidth.
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Abstract
In wireless communications, a first device may determine a channel bandwidth and a high efficiency long training field (HE-LTF) mode. The first device may generate an HE-LTF symbol by using an HE-LTF sequence corresponding to the determined channel bandwidth and HE-LTF mode. The first device may transmit, in the determined channel bandwidth, a high efficiency physical layer convergence procedure (PLCP) protocol data unit (HE PPDU) that includes the HE-LTF symbol. A second device may receive, in a channel bandwidth, a downlink HE PPDU that includes an HE-LTF symbol. The second device may obtain, from the HE-LTF symbol, an HE-LTF sequence corresponding to the channel bandwidth and an HE-LTF mode of the HE-LTF symbol. The downlink HE PPDU may be the HE PPDU from the first device. Other methods, apparatus, and computer-readable media are also disclosed.
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Citations
20 Claims
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1. An apparatus for facilitating wireless communication, the apparatus comprising:
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one or more memories; and one or more processors coupled to the one or more memories, the one or more processors configured to cause; determining a channel bandwidth among a plurality of bandwidths including a 20 megahertz (MHz) channel bandwidth, 40 MHz channel bandwidth, and 80 MHz channel bandwidth; determining a high efficiency long training field (HE-LTF) mode among a plurality of HE-LTF modes including a 4×
HE-LTF mode and a 2×
HE-LTF mode;generating an HE-LTF symbol by using an HE-LTF sequence corresponding to the determined channel bandwidth and the determined HE-LTF mode, wherein the HE-LTF sequence is among a plurality of HE-LTF sequences for the plurality of bandwidths and the plurality of HE-LTF modes; and transmitting a high efficiency physical layer convergence procedure (PLCP) protocol data unit (HE PPDU) including the HE-LTF symbol, in the determined channel bandwidth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An apparatus for facilitating wireless communication, the apparatus comprising:
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one or more memories; and one or more processors coupled to the one or more memories, the one or more processors configured to cause; receiving a downlink high efficiency physical layer convergence procedure (PLCP) protocol data unit (HE PPDU) including a high efficiency long training field (HE-LTF) symbol, in a channel bandwidth which is one of a plurality of bandwidths including 20 megahertz (MHz), 40 MHz, and 80 MHz; and obtaining, from the HE-LTF symbol, an HE-LTF sequence corresponding to the channel bandwidth and an HE-LTF mode of the HE-LTF symbol, wherein the HE-LTF mode is one of a plurality of HE-LTF modes including a 2×
HE-LTF mode and a 4×
HE-LTF mode. - View Dependent Claims (17, 18, 19, 20)
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Specification