Apparatus, computer readable medium, and method for alignment of long training fields in a high efficiency wireless local-area network
First Claim
1. An apparatus of a high-efficiency (HE) wireless device, the apparatus comprising memory:
- and, circuitry configured to;
determine if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended;
if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration than a symbol duration of one or more other HE-LTF portions of one or more other HE-PPDUs that are to be concurrently transmitted, wherein the HE-LTF portion is to start at a same start time and end at a same end time as the one or more other HE-LTF portions, wherein the longer symbol duration is 6.4 μ
s or 12.8 μ
s; and
simultaneously transmit the HE-PPDU and the one or more other HE-PPDUs in accordance with orthogonal frequency division multiple access (OFDMA).
2 Assignments
0 Petitions
Accused Products
Abstract
Apparatuses, computer readable media, and methods for extending a long-training field are disclosed. An apparatus of a high-efficiency (HE) wireless local-area network (HEW) device is disclosed. The apparatus including transceiver circuitry and processing circuitry configure to determine if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended, and if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration, or one or more additional HE-LTFs. The transceiver circuitry and processing circuitry configure also to transmit the HE-PPDU in accordance with orthogonal frequency division multiple access (OFDMA). An apparatus of a HEW device includes circuitry configured to receive a HE-LTF portion of a HE-PPDU, determine if the HE-LTF portion of the HE-PPDU is extended, and if the HE-PPDU portion is extended, use the extended portion to improve channel estimates.
11 Citations
18 Claims
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1. An apparatus of a high-efficiency (HE) wireless device, the apparatus comprising memory:
- and, circuitry configured to;
determine if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended; if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration than a symbol duration of one or more other HE-LTF portions of one or more other HE-PPDUs that are to be concurrently transmitted, wherein the HE-LTF portion is to start at a same start time and end at a same end time as the one or more other HE-LTF portions, wherein the longer symbol duration is 6.4 μ
s or 12.8 μ
s; andsimultaneously transmit the HE-PPDU and the one or more other HE-PPDUs in accordance with orthogonal frequency division multiple access (OFDMA). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- and, circuitry configured to;
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14. A method performed by a high-efficiency (HE) wireless device, the method comprising:
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determining if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended; if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration than a symbol duration of one or more other HE-LTF portions of one or more other HE-PPDUs that are to be concurrently transmitted, wherein the HE-LTF portion is to start at a same start time and end at a same end time as the one or more other HE-LTF portions, wherein the longer symbol duration is 6.4 μ
s or 12.8 μ
s; andsimultaneously transmitting the HE-PPDU and the one or more other HE-PPDUs in accordance with orthogonal frequency division multiple access (OFDMA). - View Dependent Claims (15, 16)
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17. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors, the instructions to configure the one or more processors to cause a high-efficiency (HE) wireless device to:
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determine if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended; if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration than a symbol duration of one or more other HE-LTF portions of one or more other HE-PPDUs that are to be concurrently transmitted, wherein the HE-LTF portion is to start at a same start time and end at a same end time as the one or more other HE-LTF portions, wherein the longer symbol duration is 6.4 μ
s or 12.8 μ
s; andsimultaneously transmit the HE-PPDU and the one or more other HE-PPDUs in accordance with orthogonal frequency division multiple access (OFDMA). - View Dependent Claims (18)
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Specification