Apparatus, system and method of communicating a physical layer protocol data unit (PPDU)
Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a Physical Layer Protocol Data Unit (PPDU). For example, an Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to generate a Physical Layer (PHY) PPDU; generate one or more PPDU waveforms corresponding to one or more respective transmit chains for digital beamforming transmission of the PPDU; and transmit the PPDU via the one or more transmit chains over a channel bandwidth of at least 2.16 Gigahertz (GHz) in a frequency band above 45 GHz.
1. An apparatus comprising:
a processor comprising logic and circuitry configured to cause an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA) to:
generate one or more non-EDMG waveforms corresponding to one or more respective transmit chains, wherein a non-EDMG waveform corresponding to a transmit chain of the one or more transmit chains is based on a matrix element of a spatial mapping matrix, wherein an index of the matrix element is based on a transmit chain number of the transmit chain; and
transmit a non-EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) via the one or more transmit chains based on the one or more non-EDMG waveforms; and
a memory to store information processed by the processor.
2. The apparatus of claim 1 , wherein a row index of the matrix element is equal to the transmit chain number of the transmit chain, and a column index of the matrix element is 1.
3. The apparatus of claim 1 configured to cause the EDMG STA to generate the one or more non-EDMG waveforms based on a waveform r non-EDMG i TX (1) (nT c ) defined as follows:
r non-EDMG i TX (1) ( nT c )=[ Q ] i TX ,1 ·r non-EDMG ( nT c ),1≤ i TX ≤N TX
wherein i Tx denotes the transmit chain number, N Tx denotes a total count of the one or more transmit chains, r non-EDMG (nT c ) denotes modulated fields of the non-EDMG PPDU, Q denotes the spatial mapping matrix, and [ ] m,n denotes a matrix element from an m-th row and an n-th column.
4. The apparatus of claim 1 configured to cause the EDMG STA to:
determine a first waveform corresponding to the transmit chain based on the matrix element of the spatial mapping matrix;
determine a second waveform corresponding to the transmit chain by up-sampling and filtering the first waveform according to an up-sampling factor and a pulse-shaping filter impulse response; and
determine the non-EDMG waveform corresponding to the transmit chain based on the second waveform and according to a channel bandwidth for transmission of the non-EDMG PPDU.
5. The apparatus of claim 4 , wherein the up-sampling factor and the pulse-shaping filter impulse response are implementation dependent.
6. The apparatus of claim 1 configured to cause the EDMG STA to determine the one or more non-EDMG waveforms based on the following up-sampled and filtered waveforms:
r
non
-
EDMG
i
TX
(
2
)
(
n
T
c
N
up
)
=
{
r
non
-
EDMG
i
TX
(
1
)
(
n
T
c
N
up
)
,
n
=
0
,
N
up
,
2
*
N
up
…
0
otherwise
r
non
-
EDMG
i
TX
(
3
)
(
n
T
c
N
up
)
=
∑
k
=
0
K
-
1
r
non
-
EDMG
i
TX
(
2
)
(
(
n
-
k
)
T
c
N
up
)
h
SCCB
(
k
)
,
n
=
0
,
1
,
…
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
3
)
(
(
n
+
K
-
1
2
)
T
c
N
up
)
,
n
=
0
,
1
,
…
wherein:
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
denotes an up-sampled and filtered waveform corresponding to a transmit chain number i TX ,
h SCCB denotes a pulse-shaping filter impulse response,
T c denotes a Single Carrier (SC) chip time duration,
N up denotes an up-sampling factor value,
K denotes a length of h SCCB in samples, and
r
non
-
EDMG
,
i
TX
(
2
)
(
n
T
c
N
up
)
=
0
,
for
n
<
0
and
n
≥
length
(
r
non
-
EDMG
i
TX
(
1
)
)
×
N
up
.
7. The apparatus of claim 1 configured to, when the non-EDMG PPDU is to be transmitted over a channel bandwidth of 2.16 Gigahertz (GHz), determine the one or more non-EDMG waveforms as follows:
r
PPDU
i
TX
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
,
1
≤
i
TX
≤
N
TX
wherein:
r
PPDU
i
TX
(
n
T
c
N
u
p
)
denotes a non-EDMG waveform corresponding to a transmit chain number i TX ,
r
non
-
EDMG
i
T
X
(
4
)
(
n
T
c
N
u
p
)
denotes an up-sampled and filtered waveform corresponding to the transmit chain number i TX ,
N Tx denotes a total count of the one or more transmit chains,
N up denotes an up-sampling factor value, and
T c denotes a Single Carrier (SC) chip time duration.
8. The apparatus of claim 1 configured to, when the non-EDMG PPDU is to be transmitted over a channel bandwidth of 4.32 Gigahertz (GHz), determine the one or more non-EDMG waveforms as follows:
r
PPDU
i
TX
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
1
)
·
1
2
exp
(
-
j
2
π
(
Δ
F
2
)
(
T
c
N
up
)
n
)
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
2
)
·
1
2
exp
(
+
j
2
π
(
Δ
F
2
)
(
T
c
N
up
)
n
)
,
1
≤
i
TX
≤
N
TX
wherein:
r
PPDU
i
TX
(
n
T
c
N
u
p
)
denotes a non-EDMG waveform corresponding to a transmit chain number i TX ,
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
denotes an up-sampled and filtered waveform corresponding to the transmit chain number i TX ,
N Tx denotes a total count of the one or more transmit chains,
N up denotes an up-sampling factor value,
T c denotes a Single Carrier (SC) chip time duration,
ΔF denotes a sub-channel spacing equal to 2.16 GHz, and
Δt 1 and Δt 2 are in the range [0, T c ].
9. The apparatus of claim 1 configured to, when the non-EDMG PPDU is to be transmitted over a channel bandwidth of 6.48 Gigahertz (GHz), determine the one or more non-EDMG waveforms as follows:
r
PPDU
i
TX
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
1
)
·
1
3
exp
(
-
j
2
π
Δ
F
(
T
c
N
up
)
n
)
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
2
)
·
1
3
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
3
)
·
1
3
exp
(
+
j
2
π
Δ
F
(
T
c
N
up
)
n
)
,
1
≤
i
TX
≤
N
TX
wherein:
r
PPDU
i
TX
(
n
T
c
N
u
p
)
denotes a non-EDMG waveform corresponding to a transmit chain number i TX ,
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
denotes an up-sampled and filtered waveform corresponding to the transmit chain number i TX ,
N Tx denotes a total count of the one or more transmit chains,
N up denotes an up-sampling factor value,
T c denotes a Single Carrier (SC) chip time duration,
ΔF denotes a sub-channel spacing equal to 2.16 GHz, and
Δt 1 , Δt 2 , and Δt 3 are in the range [0, T c ].
10. The apparatus of claim 1 configured to, when the non-EDMG PPDU is to be transmitted over a channel bandwidth of 8.64 Gigahertz (GHz), determine the one or more non-EDMG waveforms as follows:
r
PPDU
i
TX
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
1
)
·
1
4
exp
(
-
j
2
π
(
3
Δ
F
2
)
(
T
c
N
up
)
n
)
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
2
)
·
1
4
exp
(
-
j
2
π
(
Δ
F
2
)
(
T
c
N
up
)
n
)
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
3
)
·
1
4
exp
(
+
j
2
π
(
Δ
F
c
)
(
T
c
N
up
)
n
)
++
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
+
Δ
t
4
)
·
1
4
exp
(
+
j
2
π
(
3
Δ
F
2
)
(
T
c
N
up
)
n
)
,
1
≤
i
TX
≤
N
TX
wherein:
r
PPDU
i
TX
(
n
T
c
N
u
p
)
denotes a non-EDMG waveform corresponding to a transmit chain number i TX ,
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
denotes an up-sampled and filtered waveform corresponding to the transmit chain number i TX ,
N Tx denotes a total count of the one or more transmit chains,
N up denotes an up-sampling factor value,
T c denotes a Single Carrier (SC) chip time duration,
ΔF denotes a sub-channel spacing equal to 2.16 GHz, and
Δt 1 , Δt 2 , Δt 3 , and Δt 4 are in the range [0, T c ].
11. The apparatus of claim 1 , wherein the spatial mapping matrix comprises a digital beamforming spatial mapping matrix.
12. The apparatus of claim 1 configured to cause the EDMG STA to transmit the non-EDMG PPDU according to a hybrid beamforming scheme comprising digital beamforming according to the spatial mapping matrix, and analog beamforming according to an Antenna Weight Vector (AWV).
13. The apparatus of claim 1 , wherein the non-EDMG PPDU is configured for decoding by one or more non-EDMG stations, which are DMG stations.
14. The apparatus of claim 1 configured to cause the EDMG STA to transmit the non-EDMG PPDU over a channel bandwidth of at least 2.16 Gigahertz (GHz) in a frequency band above 45 GHz.
15. The apparatus of claim 1 comprising a radio comprising the one or more transmit chains, the processor configured to cause the radio to transmit the non-EDMG PPDU.
16. The apparatus of claim 15 comprising one or more antennas connected to the radio, and another processor to execute instructions of an operating system.
17. A product comprising one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one processor, enable the at least one processor to cause an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA) to:
generate one or more non-EDMG waveforms corresponding to one or more respective transmit chains, wherein a non-EDMG waveform corresponding to a transmit chain of the one or more transmit chains is based on a matrix element of a spatial mapping matrix, wherein an index of the matrix element is based on a transmit chain number of the transmit chain; and
transmit a non-EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) via the one or more transmit chains based on the one or more non-EDMG waveforms.
18. The product of claim 17 , wherein a row index of the matrix element is equal to the transmit chain number of the transmit chain, and a column index of the matrix element is 1.
19. The product of claim 17 , wherein the instructions, when executed, cause the EDMG STA to generate the one or more non-EDMG waveforms based on a waveform r non-EDMG i TX (1) (nT c ) defined as follows:
r non-EDMG i TX (1) ( nT c )=[ Q ] i TX ,1 ·r non-EDMG ( nT c ),1≤ i TX ≤N TX
wherein i Tx denotes the transmit chain number, N Tx denotes a total count of the one or more transmit chains, r non-EDMG (nT c ) denotes modulated fields of the non-EDMG PPDU, Q denotes the spatial mapping matrix, and [ ] m,n denotes a matrix element from an m-th row and an n-th column.
20. The product of claim 17 , wherein the instructions, when executed, cause the EDMG STA to:
determine a first waveform corresponding to the transmit chain based on the matrix element of the spatial mapping matrix;
determine a second waveform corresponding to the transmit chain by up-sampling and filtering the first waveform according to an up-sampling factor and a pulse-shaping filter impulse response; and
determine the non-EDMG waveform corresponding to the transmit chain based on the second waveform and according to a channel bandwidth for transmission of the non-EDMG PPDU.
21. The product of claim 17 , wherein the instructions, when executed, cause the EDMG STA to determine the one or more non-EDMG waveforms based on the following up-sampled and filtered waveforms:
r
non
-
EDMG
i
TX
(
2
)
(
n
T
c
N
up
)
=
{
r
non
-
EDMG
i
TX
(
1
)
(
n
T
c
N
up
)
,
n
=
0
,
N
up
,
2
*
N
up
…
0
otherwise
r
non
-
EDMG
i
TX
(
3
)
(
n
T
c
N
up
)
=
∑
k
=
0
K
-
1
r
non
-
EDMG
i
TX
(
2
)
(
(
n
-
k
)
T
c
N
up
)
h
SCCB
(
k
)
,
n
=
0
,
1
,
…
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
=
r
non
-
EDMG
i
TX
(
3
)
(
(
n
+
K
-
1
2
)
T
c
N
up
)
,
n
=
0
,
1
,
…
wherein:
r
non
-
EDMG
i
TX
(
4
)
(
n
T
c
N
up
)
denotes an up-sampled and filtered waveform corresponding to a transmit chain number i TX ,
h SCCB denotes a pulse-shaping filter impulse response,
T c denotes a Single Carrier (SC) chip time duration,
N up denotes an up-sampling factor value,
K denotes a length of h SCCB in samples, and
r
non
-
EDMG
,
i
TX
(
2
)
(
n
T
c
N
up
)
=
0
,
for
n
<
0
and
n
≥
length
(
r
non
-
EDMG
i
TX
(
1
)
)
×
N
up
.
22. The product of claim 17 , wherein the instructions, when executed, cause the EDMG STA to transmit the non-EDMG PPDU according to a hybrid beamforming scheme comprising digital beamforming according to the spatial mapping matrix, and analog beamforming according to an Antenna Weight Vector (AWV).
23. An apparatus comprising:
means for causing an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA) to generate one or more non-EDMG waveforms corresponding to one or more respective transmit chains, wherein a non-EDMG waveform corresponding to a transmit chain of the one or more transmit chains is based on a matrix element of a spatial mapping matrix, wherein an index of the matrix element is based on a transmit chain number of the transmit chain; and
means for causing the EDMG STA to transmit a non-EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) via the one or more transmit chains based on the one or more non-EDMG waveforms.
24. The apparatus of claim 23 comprising means for causing the EDMG STA to generate the one or more non-EDMG waveforms by:
determining a first waveform corresponding to the transmit chain based on the matrix element of the spatial mapping matrix;
determining a second waveform corresponding to the transmit chain by up-sampling and filtering the first waveform according to an up-sampling factor and a pulse-shaping filter impulse response; and
determining the non-EDMG waveform corresponding to the transmit chain based on the second waveform and according to a channel bandwidth for transmission of the non-EDMG PPDU.