Apparatus, system and method of communicating an EDMG PPDU
Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Physical Layer Protocol Data Unit (PPDU). For example, an EDMG wireless communication station (STA) may be configured to communicate an EDMG PPDU including a Channel Estimation Field (CEF) and/or a pilot sequence, which may be configured for an OFDM mode.
1. An apparatus comprising logic and circuitry configured to cause an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA) to:
determine one or more EDMG Channel Estimation Field (CEF) (EDMG-CEF) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) comprising an EDMG-CEF, the one or more EDMG-CEF sequences corresponding to one or more respective space-time streams;
generate an EDMG-CEF transmit waveform in a time domain based on the one or more EDMG-CEF sequences, an EDMG-CEF mapping matrix, and a number of Orthogonal Frequency Division Multiplexing (OFDM) symbols in the EDMG-CEF, wherein the EDMG-CEF mapping matrix, denoted P EDMG-CEF , is based on a count of the one or more space-time streams, denoted N STS , as follows:
P
EDMG
-
CEF
=
[
+
1
-
1
]
,
for
N
STS
=
1
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
]
,
for
N
STS
=
2
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
-
w
3
1
w
3
2
+
1
-
w
3
2
w
3
4
]
,
w
3
=
exp
(
-
j
2
π
/
3
)
,
for
N
STS
=
3
P
EDMG
-
CEF
=
P
4
×
4
=
[
+
1
-
1
+
1
+
1
+
1
+
1
-
1
+
1
+
1
+
1
+
1
-
1
-
1
+
1
+
1
+
1
]
,
for
N
STS
=
4
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
+
1
-
1
+
1
-
w
6
1
w
6
2
w
6
3
w
6
4
-
w
6
5
+
1
-
w
6
2
w
6
4
w
6
6
w
6
8
-
w
6
10
+
1
-
w
6
3
w
6
6
w
6
9
w
6
12
-
w
6
15
+
1
-
w
6
4
w
6
8
w
6
12
w
6
16
-
w
6
20
+
1
-
w
6
5
w
6
10
w
6
15
w
6
20
-
w
6
25
]
,
w
6
=
exp
(
-
j
2
π
/
6
)
,
for
N
STS
=
5
or
6
P
EDMG
-
CEF
=
[
P
4
×
4
P
4
×
4
P
4
×
4
-
P
4
×
4
]
,
for
N
STS
=
7
or
8
,
and wherein the number of OFDM symbols in the EDMG-CEF, denoted N EDMG-CEF N STS , is based on N STS , as follows:
N EDMG-CEF N STS =2, for N STS =1
N EDMG-CEF N STS =2, for N STS =2
N EDMG-CEF N STS =3, for N STS =3
N EDMG-CEF N STS =4, for N STS =4
N EDMG-CEF N STS =6, for N STS =5 or 6
N EDMG-CEF N STS =8, for N STS =7 or 8
transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the EDMG-CEF based on the EDMG-CEF transmit waveform.
2. The apparatus of claim 1 , wherein an EDMG-CEF sequence of the one or more EDMG-CEF sequences comprises first and second predefined sequences corresponding to an index of a space-time stream of the one or more space-time streams.
3. The apparatus of claim 2 , wherein the EDMG-CEF sequence comprises the first predefined sequence followed by three zeros, which are followed by the second predefined sequence.
4. The apparatus of claim 2 , wherein the first and second predefined sequences have a same length.
5. The apparatus of claim 2 , wherein each of the first and second predefined sequences comprises a predefined sequence of symbols, each symbol of the sequence of symbols is +1, −1, +j, or −j.
6. The apparatus of claim 1 configured to cause the EDMG STA to determine the one or more EDMG-CEF sequences according to one of the following definitions:
EDMG-CEF iSTS −177, 177 =[Seq iSTS left, 176 , 0, 0, 0, Seq iSTS right, 176 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 2.16 GHz channel, wherein i STS denotes a space-time stream index, EDMG-CEF iSTS −177, 177 denotes an EDMG-CEF sequence for the 2.16 GHz channel and the space-time stream index i STS , Seq iSTS left, 176 denotes a first predefined sequence of length 176 corresponding to the space-time stream index i STS , and Seq iSTS right, 176 denotes a second predefined sequence of length 176 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −386, 386 =[Seq iSTS left, 385 , 0, 0, 0, Seq iSTS right, 385 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 4.32 GHz channel, wherein EDMG-CEF iSTS −386, 386 denotes an EDMG-CEF sequence for the 4.32 GHz channel and the space-time stream index i sTs , Seq iSTS left, 385 denotes a first predefined sequence of length 385 corresponding to the space-time stream index i STS , and Seq iSTS right, 385 , denotes a second predefined sequence of length 385 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −596, 596 =[Seq iSTS left, 596 , 0, 0, 0, Seq iSTS right, 596 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 6.48 GHz channel, wherein EDMG-CEF iSTS −596, 596 denotes an EDMG-CEF sequence for the 6.48 GHz channel and the space-time stream index i isTs , Seq isTs left, 595 denotes a first predefined sequence of length 595 corresponding to the space-time stream index i STS , and Seq iSTS right, 595 denotes a second predefined sequence of length 595 corresponding to the space-time stream index i STS ; and
EDMG-CEF iSTS −805, 805 =[Seq iSTS left, 804 , 0, 0, 0, Seq iSTS right, 804 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 8.64 GHz channel, wherein EDMG-CEF iSTS −805, 805 denotes an EDMG-CEF sequence for the 8.64 GHz channel and the space-time stream index i STS , Seq iSTS left, 804 denotes a first predefined sequence of length 804 corresponding to the space-time stream index i STS , and Seq iSTS right, 804 denotes a second predefined sequence of length 804 corresponding to the space-time stream index i STS .
7. The apparatus of claim 1 , wherein a length of each of the one or more EDMG-CEF sequences is based on the count of one or more 2.16 GHz channels.
8. The apparatus of claim 1 , wherein the count of the one or more space-time streams is 1, 2, 3, 4, 5, 6, 7, or 8.
9. The apparatus of claim 1 configured to cause the EDMG STA to generate the EDMG-CEF transmit waveform, denoted N EDMG-CEF N JTX (qT s ), as follows:
r
EDMG
-
CEF
n
,
i
TX
(
qT
s
)
=
1
N
STS
·
N
Tones
w
(
qT
s
)
·
·
∑
k
=
-
N
SR
N
SR
∑
i
STS
=
1
N
STS
[
Q
k
]
i
TX
,
i
STS
[
P
EDMG
-
CEF
]
i
STS
,
n
EDMG
-
CEF
k
i
STS
exp
(
j
2
π
k
Δ
F
(
qT
s
-
T
GI
long
)
)
1
≤
n
≤
N
EDMG
-
CEF
N
STS
wherein:
N Tones =N ST −N DC denotes total number of active tones;
Q k denotes a spatial mapping matrix per k-th subcarrier;
[[P EDMG-CEF denotes the EDMG-CEF mapping matrix;
N EDMG-CEF N STS denotes a number of OFDM symbols in the EDMG-CEF for the count of space-time streams, denoted N STS, ]]
[ ] m,n denotes a matrix element from m-th row and n-th column; and
w(qT s ) denotes a window function to smooth transitions between consecutive OFDM symbols.
10. The apparatus of claim 1 , wherein the channel bandwidth is 2.16 GHz, 4.32 GHz, 6.48 GHz, or 8.64 GHz.
11. The apparatus of claim 1 comprising a radio to transmit the OFDM mode transmission of the EDMG PPDU.
12. The apparatus of claim 11 comprising one or more antennas connected to the radio, a memory to store data processed by the EDMG STA, and a processor to execute instructions of an operating system.
13. 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:
determine one or more EDMG Channel Estimation Field (CEF) (EDMG-CEF) sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) comprising an EDMG-CEF, the one or more EDMG-CEF sequences corresponding to one or more respective space-time streams;
generate an EDMG-CEF transmit waveform in a time domain based on the one or more EDMG-CEF sequences, an EDMG-CEF mapping matrix, and a number of Orthogonal Frequency Division Multiplexing (OFDM) symbols in the EDMG-CEF, wherein the EDMG-CEF mapping matrix, denoted P EDMG-CEF , is based on a count of the one or more space-time streams, denoted N sTs , as follows;
P
EDMG
-
CEF
=
[
+
1
-
1
]
,
for
N
STS
=
1
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
]
,
for
N
STS
=
2
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
-
w
3
1
w
3
2
+
1
-
w
3
2
w
3
4
]
,
w
3
=
exp
(
-
j
2
π
/
3
)
,
for
N
STS
=
3
P
EDMG
-
CEF
=
P
4
×
4
=
[
+
1
-
1
+
1
+
1
+
1
+
1
-
1
+
1
+
1
+
1
+
1
-
1
-
1
+
1
+
1
+
1
]
,
for
N
STS
=
4
P
EDMG
-
CEF
=
[
+
1
-
1
+
1
+
1
+
1
-
1
+
1
-
w
6
1
w
6
2
w
6
3
w
6
4
-
w
6
5
+
1
-
w
6
2
w
6
4
w
6
6
w
6
8
-
w
6
10
+
1
-
w
6
3
w
6
6
w
6
9
w
6
12
-
w
6
15
+
1
-
w
6
4
w
6
8
w
6
12
w
6
16
-
w
6
20
+
1
-
w
6
5
w
6
10
w
6
15
w
6
20
-
w
6
25
]
,
w
6
=
exp
(
-
j
2
π
/
6
)
,
for
N
STS
=
5
or
6
P
EDMG
-
CEF
=
[
P
4
×
4
P
4
×
4
P
4
×
4
-
P
4
×
4
]
,
for
N
STS
=
7
or
8
and wherein the number of OFDM symbols in the EDMG-CEF, denoted N EDMG-CEF N STS , is based on N STS , as follows:
N EDMG-CEF N STS =2, for N STS =1
N EDMG-CEF N STS =2, for N STS =2
N EDMG-CEF N STS =3, for N STS =3
N EDMG-CEF N STS =4, for N STS =4
N EDMG-CEF N STS =6, for N STS =5 or 6
N EDMG-CEF N STS =8, for N STS =7 or 8; and
transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the EDMG-CEF based on the EDMG-CEF transmit waveform.
14. The product of claim 13 , wherein an EDMG-CEF sequence of the one or more EDMG-CEF sequences comprises first and second predefined sequences corresponding to an index of a space-time stream of the one or more space-time streams.
15. The product of claim 13 , wherein the instructions, when executed, cause the EDMG STA to determine the one or more EDMG-CEF sequences according to one of the following definitions:
EDMG-CEF iSTS −177, 177 =[Seq iSTS left, 176 , 0, 0, 0, Seq iSTS right, 176 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 2.16 GHz channel, wherein i STS denotes a space-time stream index, EDMG-CEF iSTS −177, 177 denotes an EDMG-CEF sequence for the 2.16 GHz channel and the space-time stream index i STS , Seq iSTS left, 176 denotes a first predefined sequence of length 176 corresponding to the space-time stream index i STS , and Seq iSTS right, 176 denotes a second predefined sequence of length 176 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −386, 386 =[Seq iSTS left, 385 , 0, 0, 0, Seq iSTS right, 385 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 4.32 GHz channel, wherein EDMG-CEF iSTS −386, 386 denotes an EDMG-CEF sequence for the 4.32 GHz channel and the space-time stream index i sTs , Seq iSTS left, 385 denotes a first predefined sequence of length 385 corresponding to the space-time stream index i STS , and Seq iSTS right, 385 , denotes a second predefined sequence of length 385 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −596, 596 =[Seq iSTS left, 596 , 0, 0, 0, Seq iSTS right, 596 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 6.48 GHz channel, wherein EDMG-CEF iSTS −596, 596 denotes an EDMG-CEF sequence for the 6.48 GHz channel and the space-time stream index i isTs , Seq isTs left, 595 denotes a first predefined sequence of length 595 corresponding to the space-time stream index i STS , and Seq iSTS right, 595 denotes a second predefined sequence of length 595 corresponding to the space-time stream index i STS ; and
EDMG-CEF iSTS −805, 805 =[Seq iSTS left, 804 , 0, 0, 0, Seq iSTS right, 804 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 8.64 GHz channel, wherein EDMG-CEF iSTS −805, 805 denotes an EDMG-CEF sequence for the 8.64 GHz channel and the space-time stream index i STS , Seq iSTS left, 804 denotes a first predefined sequence of length 804 corresponding to the space-time stream index i STS , and Seq iSTS right, 804 denotes a second predefined sequence of length 804 corresponding to the space-time stream index i STS .
16. The product of claim 13 , wherein a length of each of the one or more EDMG-CEF sequences is based on the count of one or more 2.16 GHz channels.
17. The product of claim 13 , wherein the count of the one or more space-time streams is 1, 2, 3, 4, 5, 6, 7, or 8.
18. The product of claim 13 , wherein the channel bandwidth is 2.16 GHz, 4.32 GHz, 6.48 GHz, or 8.64 GHz.
19. The product of claim 13 , wherein the instructions, when executed, cause the EDMG STA to generate the EDMG-CEF transmit waveform, denoted N EDMG-CEF N JTX (qT s ), as follows:
r
EDMG
-
CEF
n
,
i
TX
(
qT
s
)
=
1
N
STS
·
N
Tones
w
(
qT
s
)
·
·
∑
k
=
-
N
SR
N
SR
∑
i
STS
=
1
N
STS
[
Q
k
]
i
TX
,
i
STS
[
P
EDMG
-
CEF
]
i
STS
,
n
EDMG
-
CEF
k
i
STS
exp
(
j
2
π
k
Δ
F
(
qT
s
-
T
GI
long
)
)
1
≤
n
≤
N
EDMG
-
CEF
N
STS
wherein:
N Tones =N ST −N DC denotes total number of active tones;
Q k denotes a spatial mapping matrix per k-th subcarrier;
[[P EDMG-CEF denotes the EDMG-CEF mapping matrix;
N EDMG-CEF N STS denotes a number of OFDM symbols in the EDMG-CEF for the count of space-time streams, denoted N STS, ]]
[ ] m,n denotes a matrix element from m-th row and n-th column; and
w(qT s ) denotes a window function to smooth transitions between consecutive OFDM symbols.
20. An apparatus comprising:
means for generating, at an Enhanced Directional Multi-Gigabit (DMG) (EDMG) wireless communication station (STA), an EDMG Channel Estimation Field (CEF) (EDMG-CEF) transmit waveform in a time domain by:
determining, one or more EDMG-CEF sequences in a frequency domain based on a count of one or more 2.16 Gigahertz (GHz) channels in a channel bandwidth for transmission of an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) comprising an EDMG-CEF, the one or more EDMG-CEF sequences corresponding to one or more respective space-time streams; and
generating the EDMG-CEF transmit waveform in the time domain based on the one or more EDMG-CEF sequences, an EDMG-CEF mapping matrix, and a number of Orthogonal Frequency Division Multiplexing (OFDM) symbols in the EDMG-CEF, wherein the EDMG-CEF mapping matrix, denoted P EDMG-CEF , is based on a count of the one or more space-time streams, denoted N STS , as follows:
P
E
D
M
G
-
C
E
F
=
[
+
1
-
1
]
,
for
N
STS
=
1
P
E
D
M
G
-
C
E
F
=
[
+
1
-
1
+
1
+
1
]
,
for
N
S
T
S
=
2
P
E
D
M
G
-
C
E
F
=
[
+
1
-
1
+
1
+
1
-
w
3
1
w
3
2
+
1
-
w
3
2
w
3
4
]
,
w
3
=
exp
(
-
j
2
π
/
3
)
,
for
N
STS
=
3
P
E
D
M
G
-
C
E
F
=
P
4
×
4
=
[
+
1
-
1
+
1
+
1
+
1
+
1
-
1
+
1
+
1
+
1
+
1
-
1
-
1
+
1
+
1
+
1
]
,
for
N
STS
=
4
P
E
D
M
G
-
C
E
F
=
[
+
1
-
1
+
1
+
1
+
1
-
1
+
1
-
w
6
1
w
6
2
w
6
3
w
6
4
-
w
6
5
+
1
-
w
6
2
w
6
4
w
6
6
w
6
8
-
w
6
1
0
+
1
-
w
6
3
w
6
6
w
6
9
w
6
1
2
-
w
6
1
5
+
1
-
w
6
4
w
6
8
w
6
1
2
w
6
1
6
-
w
6
2
0
+
1
-
w
6
5
w
6
1
0
w
6
1
5
w
6
2
0
-
w
6
2
5
]
,
w
6
=
exp
(
-
j
2
π
/
6
)
,
for
N
S
T
S
=
5
or
6
P
E
D
M
G
-
C
E
F
=
[
P
4
×
4
P
4
×
4
P
4
×
4
-
P
4
×
4
]
,
for
N
S
T
S
=
7
or
8
and wherein the number of OFDM symbols in the EDMG-CEF, denoted N EDMG-CEF N STS , is based on N STS , as follows:
N EDMG-CEF N STS =2, for N STS =1
N EDMG-CEF N STS =2, for N STS =2
N EDMG-CEF N STS =3, for N STS =3
N EDMG-CEF N STS =4, for N STS =4
N EDMG-CEF N STS =6, for N STS =5 or 6
N EDMG-CEF N STS =8, for N STS =7 or 8; and
means for causing the EDMG STA to transmit an OFDM mode transmission of the EDMG PPDU over the channel bandwidth, the OFDM mode transmission comprising transmission of the EDMG-CEF based on the EDMG-CEF transmit waveform.
21. The apparatus of claim 20 comprising means for determining the one or more EDMG-CEF sequences according to one of the following definitions:
EDMG-CEF iSTS −177, 177 =[Seq iSTS left, 176 , 0, 0, 0, Seq iSTS right, 176 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 2.16 GHz channel, wherein i STS denotes a space-time stream index, EDMG-CEF iSTS −177, 177 denotes an EDMG-CEF sequence for the 2.16 GHz channel and the space-time stream index i STS , Seq iSTS left, 176 denotes a first predefined sequence of length 176 corresponding to the space-time stream index i STS , and Seq iSTS right, 176 denotes a second predefined sequence of length 176 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −386, 386 =[Seq iSTS left, 385 , 0, 0, 0, Seq iSTS right, 385 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 4.32 GHz channel, wherein EDMG-CEF iSTS −386, 386 denotes an EDMG-CEF sequence for the 4.32 GHz channel and the space-time stream index i sTs , Seq iSTS left, 385 denotes a first predefined sequence of length 385 corresponding to the space-time stream index i STS , and Seq iSTS right, 385 , denotes a second predefined sequence of length 385 corresponding to the space-time stream index i STS ;
EDMG-CEF iSTS −596, 596 =[Seq iSTS left, 596 , 0, 0, 0, Seq iSTS right, 596 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 6.48 GHz channel, wherein EDMG-CEF iSTS −596, 596 denotes an EDMG-CEF sequence for the 6.48 GHz channel and the space-time stream index i isTs , Seq isTs left, 595 denotes a first predefined sequence of length 595 corresponding to the space-time stream index i STS , and Seq iSTS right, 595 denotes a second predefined sequence of length 595 corresponding to the space-time stream index i STS ; and
EDMG-CEF iSTS −805, 805 =[Seq iSTS left, 804 , 0, 0, 0, Seq iSTS right, 804 ], for i STS =1, 2, 3, 4, 5, 6, 7, 8, when the channel bandwidth comprises a 8.64 GHz channel, wherein EDMG-CEF iSTS −805, 805 denotes an EDMG-CEF sequence for the 8.64 GHz channel and the space-time stream index i STS , Seq iSTS left, 804 denotes a first predefined sequence of length 804 corresponding to the space-time stream index i STS , and Seq iSTS right, 804 denotes a second predefined sequence of length 804 corresponding to the space-time stream index i STS .