IP Library › Granted Patent US 9,998,951

Granted Patent B2

US 9,998,951 · App. 15/227,573 · Granted Jun 12, 2018

Training sequence generation for wireless communication networks

Inventors: Lin Yang (San Diego, CA); Bin Tian (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04W28/065 H04L27/262 H04L27/2613

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Patent No.: US 9,998,951
App. No.: 15/227,573
Granted: Jun 12, 2018
Kind: B2

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Abstract

Methods and apparatuses for communicating over a wireless communication network using a resource unit are disclosed herein. One method includes generating a high-efficiency long training (HE-LTF) field, based on at least one of a sequence x=[+1, +1, +1, −1, −1, −1, +1, −1, −1, +1, −1], a rotation pattern C=[c1−cy], a sequence M1=[c1.*x, c2.*x, c3.*x, c4.*x, c5.*x, c6.*x, c7.*x, c8.*x, c9.*x, c10.*x, c11.*x], a sequence M2=[+1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1], and a sequence M3=[+1, +1, +1, −1, −1, +1, −1]. The method further includes transmitting the HE-LTF field.

Claims (51)

1. An apparatus configured to communicate over a wireless communication network, the apparatus comprising:

a memory that stores instructions; and

a processor coupled with the memory and configured to execute the instructions to generate a high-efficiency long training (HE-LTF) field according to at least one of:

[Ga, c1, c2.*Ga, c3, c4, c5, c6, c7, c8, c9, c10, 0, c11, c12, c13, c14, c15, c16, c17, c18, c19.*Gb, c20, c21.*Gb] for transmission over a 40 MHz channel, wherein Ga=[+1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1], Gb=[+1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1], and [c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, c21]=[+1, +1, +1, −1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, −1];

[+1, −M2, −M22, +1, −M2, M22, −M23, −1, M2, M22, −1, −M2, M22, 0, 0, 0, −M2, M23, +1, M2, M23, +1, M2, −M2, M23, +1, −M2, −M23, +1] for transmission over a 40 MHz channel, wherein M2=[+1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1], M22=[M2(1:7), −M2(8:13)], and M23=[−M2(1:6), M2(7:13)];

[+1, −Ga, −Gb, −1, −1, Ga, −Gb, +1, Gb, −1, −Ga, −Gb, −1, −1, −Ga, Gb, +1, 0, 0, 0, 0, 0, −1, Ga, Gb, +1, +1, −Ga, Gb, +1, −Ga, +1, −Ga, −Gb, −1, +1, −Ga, Gb, −1] for transmission over a 40 MHz channel;

[B1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], B2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], B3*[Sc(1:7), 0, 0, 0, Sc(8:14)], B4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], B5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, [A1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], A2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], A3*[Sc(1:7), 0, 0, 0, Sc(8:14)], A4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], A5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1]] for transmission over a 160 MHz channel, wherein [A1, A2, A3, A4, A5]=[+1, −1, +1, +1, −1], [B1, B2, B3, B4, B5]=[+1, +1, +1, +1, +1], Sa=[+1, +1, +1, −1, +1, +1, +1, −1, +1, −1, −1, +1, −1], Sap=[+1, +1, −1, −1, +1, +1, +1, −1, +1, +1, −1, +1, −1], Sac=Sa with even indices reversed, Sapc=Sap with even indices reversed, Sb=[+1, +1, +1, −1, −1, −1, −1, +1, −1, −1, −1, +1, −1], Sbp=[+1, +1, +1, +1, −1, −1, −1, +1, −1, −1, +1, +1, −1], Sbc=Sb with even indices reversed, Sbpc=Sbp with even indices reversed, and Sc=[+1, −1, −1, −1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1]; or

a transmitter configured to transmit a packet including the HE-LTF field.

2. The apparatus of claim 1 , wherein a plurality of pilot tones are multiplied by an R-value, all other tones are multiplied by a P-value, and the rotation pattern C comprises a sequence that minimizes a maximal peak-to-average power ratio of the HE-LTF over all possible P- and R-values.

3. The apparatus of claim 1 , wherein the processor is configured to generate the HE-LTF field based on the sequence [Ga, c1, c2.*Ga, c3, c4, c5, c6, c7, c8, c9, c10, 0, dl, c12, c13, c14, c15, c16, c17, c18, c19.*Gb, c20, c21.*Gb] for 1× transmission over the 40 MHz channel.

4. The apparatus of claim 3 , wherein the sequence [Ga, c1, c2.*Ga, c3, c4, c5, c6, c7, c8, c9, c10, 0, c11, c12, c13, c14, c15, c16, c17, c18, c19.*Gb, c20, c21.*Gb] is [+1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, −1, +1, −1, +1, −1, −1, −1, 0, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1] and indicates every fourth value of the HE-LTF field, which is [+1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, 0, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1].

5. The apparatus of claim 1 , wherein the processor is configured to generate the HE-LTF field based on the sequence [+1, −M2, −M22, +1, −M2, M22, −M23, −1, M2, M22, −1, −M2, M22, 0, 0, 0, −M2, M23, +1, M2, M23, +1, M2, −M2, M23, +1, −M2, −M23, +1] for 2× transmission over a 40 MHz channel.

6. The apparatus of claim 5 , wherein the sequence [+1, −M2, −M22, +1, −M2, M22, −M23, −1, M2, M22, −1, −M2, M22, 0, 0, 0, −M2, M23, +1, M2, M23, +1, M2, −M2, M23, +1, −M2, −M23, +1] is [+1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, +1, +1, +1, −1, +1, −1, +1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, +1, −1, +1, −1, −1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, 0, 0, 0, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, +1, −1, +1, −1, +1] and indicates every other value of the HE-LTF field, which is [+1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, 0, 0, 0, 0, 0, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1].

7. The apparatus of claim 1 , wherein the processor is configured to generate the HE-LTF field based on the sequence [+1, −Ga, −Gb, −1, −1, Ga, −Gb, +1, Gb, −1, −Ga, −Gb, −1, −1, −Ga, Gb, +1, 0, 0, 0, 0, 0, −1, Ga, Gb, +1, +1, −Ga, Gb, +1, −Ga, +1, −Ga, −Gb, −1, +1, −Ga, Gb, −1] for 4× transmission over a 40 MHz channel.

8. The apparatus of claim 7 , wherein the sequence [+1, −Ga, −Gb, −1, −1, Ga, −Gb, +1, Gb, −1, −Ga, −Gb, −1, −1, −Ga, Gb, +1, 0, 0, 0, 0, 0, −1, Ga, Gb, +1, +1, −Ga, Gb, +1, −Ga, +1, −Ga, −Gb, −1, +1, −Ga, Gb, −1] is [+1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, 0, 0, 0, 0, 0, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1] and indicates values of the HE-LTF field.

9. The apparatus of claim 1 , wherein the processor is configured to generate the HE-LTF field based on the sequence [B1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], B2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], B3*[Sc(1:7), 0, 0, 0, Sc(8:14)], B4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], B5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, [A1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], A2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], A3*[Sc(1:7), 0, 0, 0, Sc(8:14)], A4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], A5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1]] for 2× transmission over the 160 MHz channel.

10. The apparatus of claim 1 , wherein the processor is configured to generate the HE-LTF field based on the sequence [B1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], B2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], B3*[Sc(1:7), 0, 0, 0, Sc(8:14)], B4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], B5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, [A1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], A2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], A3*[Sc(1:7), 0, 0, 0, Sc(8:14)], A4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], A5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1]] for 2× transmission over the 80+80 MHz channel.

11. A method of communicating over a wireless communication network, the method comprising:

generating a high-efficiency long training (HE-LTF) field according to at least one of:

transmitting a packet including the HE-LTF field.

12. The method of claim 11 , wherein a plurality of pilot tones are multiplied by an R-value, all other tones are multiplied by a P-value, and the rotation pattern C comprises a sequence that minimizes a maximal peak-to-average power ratio of the HE-LTF over all possible P- and R-values.

13. The method of claim 11 , wherein generating the HE-LTF field comprises generating the HE-LTF field based on the sequence [Ga, c1, c2.*Ga, c3, c4, c5, c6, c7, c8, c9, c10, 0, c11, c12, c13, c14, c15, c16, c17, c18, c19.*Gb, c20, c21.*Gb] for 1× transmission over the 40 MHz channel.

14. The method of claim 13 , wherein the sequence [Ga, c1, c2.*Ga, c3, c4, c5, c6, c7, c8, c9, c10, 0, c11, c12, c13, c14, c15, c16, c17, c18, c19.*Gb, c20, c21.*Gb] is [+1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, −1, +1, −1, +1, −1, −1, −1, 0, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1] and indicates every fourth value of the HE-LTF field, which is [+1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, 0, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, −1, 0, 0, 0, −1, 0, 0, 0, +1, 0, 0, 0, +1, 0, 0, 0, +1].

15. The method of claim 11 , wherein generating the HE-LTF field comprises generating the HE-LTF field based on the sequence [+1, −M2, −M22, +1, −M2, M22, −M23, −1, M2, M22, −1, −M2, M22, 0, 0, 0, −M2, M23, +1, M2, M23, +1, M2, −M2, M23, +1, −M2, −M23, +1] for 2× transmission over a 40 MHz channel.

16. The method of claim 15 , wherein the sequence [+1, −M2, −M22, +1, −M2, M22, −M23, −1, M2, M22, −1, −M2, M22, 0, 0, 0, −M2, M23, +1, M2, M23, +1, M2, −M2, M23, +1, −M2, −M23, +1] is [+1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, +1, +1, +1, −1, +1, −1, +1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, +1, −1, +1, −1, −1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, −1, −1, −1, +1, −1, +1, −1, 0, 0, 0, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, +1, +1, +1, +1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, −1, −1, −1, −1, −1, +1, −1, +1, +1, −1, +1, −1, +1, +1, −1, −1, −1, −1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, +1, −1, +1, −1, +1] and indicates every other value of the HE-LTF field, which is [+1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, 0, 0, 0, 0, 0, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, −1, 0, −1, 0, −1, 0, +1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1, 0, +1, 0, +1, 0, +1, 0, +1, 0, −1, 0, +1, 0, −1, 0, −1, 0, +1, 0, −1, 0, +1, 0, −1, 0, +1].

17. The method of claim 11 , wherein generating the HE-LTF field comprises generating the HE-LTF field based on the sequence [+1, −Ga, −Gb, −1, −1, Ga, −Gb, +1, Gb, −1, −Ga, −Gb, −1, −1, −Ga, Gb, +1, 0, 0, 0, 0, 0, −1, Ga, Gb, +1, +1, −Ga, Gb, +1, −Ga, +1, −Ga, −Gb, −1, +1, −Ga, Gb, −1] for 4× transmission over a 40 MHz channel.

18. The method of claim 17 , wherein the sequence [+1, −Ga, −Gb, −1, −1, Ga, −Gb, +1, Gb, −1, −Ga, −Gb, −1, −1, −Ga, Gb, +1, 0, 0, 0, 0, 0, −1, Ga, Gb, +1, +1, −Ga, Gb, +1, −Ga, +1, −Ga, −Gb, −1, +1, −Ga, Gb, −1] is [+1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, 0, 0, 0, 0, 0, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, −1, +1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, −1, −1, −1, −1, +1, −1, +1, +1, +1, −1, −1, +1, +1, +1, −1, +1, −1, −1, −1, −1, +1, −1, −1, +1, +1, −1, +1, −1, +1, −1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, +1, +1, +1, +1, −1, +1, +1, −1, −1, +1, −1, +1, +1, +1, +1, +1, −1, +1, −1, −1, −1, +1, +1, −1, −1, −1, −1] and indicates values of the HE-LTF field.

19. The method of claim 11 , wherein generating the HE-LTF field comprises generating the HE-LTF field based on the sequence [B1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], B2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], B3*[Sc(1:7), 0, 0, 0, Sc(8:14)], B4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], B5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, [A1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], A2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], A3*[Sc(1:7), 0, 0, 0, Sc(8:14)], A4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], A5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1]] for 2× transmission over the 160 MHz channel.

20. The method of claim 11 , wherein generating the HE-LTF field comprises generating the HE-LTF field based on the sequence [B1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], B2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], B3*[Sc(1:7), 0, 0, 0, Sc(8:14)], B4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], B5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, [A1*[+1, Sac, Sapc, +1, Sa, −Sap, Sbc, −1, Sapc, Sac, +1, Sap, −Sa], A2*[+1, −Sa, Sap, −1, Sac, Sapc, Sb, +1, Sap, −Sa, +1, −Sapc, −Sac], A3*[Sc(1:7), 0, 0, 0, Sc(8:14)], A4*[−Sb, −Sbp, −1, −Sbc, Sbpc, −1, Sac, Sbp, Sb, +1, Sbpc, −Sbc, −1], A5*[Sbc, −Sbpc, +1, −Sb, −Sbp, −1, −Sa, Sbpc, −Sbc, +1, −Sbp, −Sb, +1]] for 2× transmission over the 80+80 MHz channel.

21. An apparatus for communicating over a wireless communication network, the apparatus comprising:

means for generating a high-efficiency long training (HE-LTF) field according to at least one of:

means for transmitting a packet including the HE-LTF field.

22. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:

generate a high-efficiency long training (HE-LTF) field according to at least one of:

transmit a packet including the HE-LTF field.

Assignments (1)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2016

From: YANG, LIN; TIAN, BIN

To: QUALCOMM INCORPORATED

Reel/Frame 039870/0979 →

Continuity (7)

Provisional Application 62265314 · Dec 9, 2015

Provisional Application 62261794 · Dec 1, 2015

Provisional Application 62257629 · Nov 19, 2015

Provisional Application 62245653 · Oct 23, 2015

Provisional Application 62210942 · Aug 27, 2015

Provisional Application 62201543 · Aug 5, 2015

Related Publication 20170041825A1 · Feb 9, 2017