简介
| 仿真平台 |
功能 |
| dlsim |
dlsim是PDSCH信道的仿真平台。但实际上，dlsim平台里面也包含PDCCH等信道的内容， 所以dlsim更像是一个轻量级的LTE物理层系统系仿真平台。 |
| pbchsim |
pbchsim是PBCH信道的仿真平台，里面包含PBCH信道的收发流程。 |
| pdcchsim |
pdcchsim是PDCCH信道的仿真平台，里面包含PDCCH信道的收发流程。 |
| prachsim |
prachsim是PRACH信道的仿真平台，里面包含PRACH信道的收发流程。
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|
| pucchsim |
pucchsim是PUCCH信道的仿真平台，里面包含PUCCH信道的收发流程。 |
| ulsim |
ulsim是PUSCH信道的仿真平台，里面包含PUSCH信道的收发流程。 |
Build
build命令
sudo ./build_oai -c -C --UE -V --phy_simulators
|
build结果
生成产物如下图
dlsim
sudo ./dlsim -d -n 1000 -s 10 -C 1 -S 1 -B 50 -g A -F 0 -x 1 -q 2 -y 2 -z 2 -O 70
CPU Freq is
3.392366
./dlsim -h(elp) -a(wgn on) -d(ci decoding on) -p(extended prefix on) -m mcs1 -M mcs2 -n n_frames -s snr0 -x transmission mode (
1
,
2
,
5
,
6
,
7
) -y TXant -z RXant -I trch_file
-h This message
-a Use AWGN channel and not multipath
-c Number of PDCCH symbols
-m MCS1
for
TB
1
-M MCS2
for
TB
2
-d Transmit the DCI and compute its error statistics
-p Use extended prefix mode
-n Number of frames to simulate
-o Sample offset
for
receiver
-s Starting SNR, runs from SNR to SNR+
30
.0dB in steps of
1
.0dB. If n_frames is
1
then just SNR is simulated and MATLAB/OCTAVE output is generated
-f step size of SNR,
default
value is
1
.
-C cell id
-S subframe
-D use TDD mode
-b TDD config
-B bandwidth configuration (in number of ressource blocks):
6
,
25
,
50
,
100
-g [A:M] Use 3GPP
25.814
SCM-A/B/C/D(
'A'
,
'B'
,
'C'
,
'D'
) or
36
-
101
EPA(
'E'
), EVA (
'F'
),ETU(
'G'
) models (ignores delay spread and Ricean factor), Rayghleigh8 (
'H'
), Rayleigh1(
'I'
), Rayleigh1_corr(
'J'
), Rayleigh1_anticorr (
'K'
), Rice8(
'L'
), Rice1(
'M'
)
-F forgetting factor (
0
new
channel every trial,
1
channel constant
-x Transmission mode (
1
,
2
,
6
,
7
for
the moment)
-q Number of TX antennas ports used in eNB
-y Number of TX antennas used in eNB
-z Number of RX antennas used in UE
-t MCS of interfering UE
-R Number of HARQ rounds (fixed)
-A Turns on calibration mode
for
abstraction.
-N Determines the number of Channel Realizations in Abstraction mode. Default value is
1
.
-O Set the percenatge of effective rate to testbench the modem performance (typically
30
and
70
, range
1
-
100
)
-I Input filename
for
TrCH data (binary)
-u Enables the Interference Aware Receiver
for
TM5 (
default
is normal receiver)
|
pbchsim
sudo ./pbchsim -n 1000000
CPU Freq is
3.392373
log init done
./pbchsim -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId
-h This message
-p Use extended prefix mode
-d Use TDD
-n Number of frames to simulate
-s Starting SNR, runs from SNR0 to SNR0 +
5
dB. If n_frames is
1
then just SNR is simulated
-S Ending SNR, runs from SNR0 to SNR1
-t Delay spread
for
multipath channel
-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or
36
-
101
(E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)
-x Transmission mode (
1
,
2
,
6
for
the moment)
-y Number of TX antennas used in eNB
-z Number of RX antennas used in UE
-i Relative strength of first intefering eNB (in dB) - cell_id mod
3
=
1
-j Relative strength of second intefering eNB (in dB) - cell_id mod
3
=
2
-N Nid_cell
-R N_RB_DL
-O oversampling factor (
1
,
2
,
4
,
8
,
16
)
-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file
-f Output filename (.txt format)
for
Pe/SNR results
-F Input filename (.txt format)
for
RX conformance testing
|
Plot txs0
Plot txsF0
pdcchsim
CPU Freq is
3.392404
log init done
./pdcchsim -h(elp) -a(wgn on) -c tdd_config -n n_frames -r RiceanFactor -s snr0 -t Delayspread -x transmission mode (
1
,
2
,
6
) -y TXant -z RXant -L AggregLevelUEspec -M AggregLevelCommonDCI -N DCIFormat
-h This message
-a Use AWGN channel and not multipath
-c TDD config
-S Subframe number (
0
..
9
)
-R N_RB_DL
-F use FDD frame
-p Use extended prefix mode
-n Number of frames to simulate
-r Ricean factor (dB,
0
means Rayleigh,
100
is almost AWGN
-s Starting SNR, runs from SNR to SNR +
5
dB. If n_frames is
1
then just SNR is simulated
-t Delay spread
for
multipath channel
-x Transmission mode (
1
,
2
,
6
for
the moment)
-y Number of TX antennas used in eNB
-z Number of RX antennas used in UE
-P Number of interfering PHICH
-L log2 of Aggregation level
for
UE Specific DCI (
0
,
1
,
2
,
3
)
-M log2 Aggregation level
for
Common DCI (
4
,
8
)
-N Format
for
UE Spec DCI (
0
- format0,
1
- format1,
2
- format1A,
3
- format1B_2A,
4
- format1B_4A,
5
- format1C,
6
- format1D_2A,
7
- format1D_4A,
8
- format2A_2A_L10PRB,
9
- format2A_2A_M10PRB,
10
- format2A_4A_L10PRB,
11
- format2A_4A_M10PRB,
12
- format2_2A_L10PRB,
13
- format2_2A_M10PRB,
14
- format2_4A_L10PRB,
15
- format2_4A_M10PRB
16
- format2_2D_M10PRB
17
- format2_2D_L10PRB
can be called multiple times to add more than one DCI
-O Oversampling factor
-I Cell Id
-F Input sample stream
|
prachsim
CPU Freq is
3.392351
log init done
./prachsim -h(elp) -a(wgn on) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId
-h This message
-a Use AWGN channel and not multipath
-n Number of frames to simulate
-s Starting SNR, runs from SNR0 to SNR0 +
5
dB. If n_frames is
1
then just SNR is simulated
-S Ending SNR, runs from SNR0 to SNR1
-g [A,B,C,D,E,F,G,I,N] Use 3GPP SCM (A,B,C,D) or
36
-
101
(E-EPA,F-EVA,G-ETU) or Rayleigh1 (I) or Rayleigh1_800 (N) models (ignores delay spread and Ricean factor)
-z Number of RX antennas used in eNB
-N Nid_cell
-O oversampling factor (
1
,
2
,
4
,
8
,
16
)
-d Channel delay
-v Starting UE velocity in km/h, runs from
'v'
to
'v+50km/h'
. If n_frames is
1
just
'v'
is simulated
-V Ending UE velocity in km/h, runs from
'v'
to
'V'
-L rootSequenceIndex (
0
-
837
)
-Z NCS_config (ZeroCorrelationZone) (
0
-
15
)
-H Run with High-Speed Flag enabled
-R Number of PRB (
6
,
15
,
25
,
50
,
75
,
100
)
-F Input filename (.txt format)
for
RX conformance testing
|
pucchsim
CPU Freq is
3.392359
./pucchsim -h(elp) -a(wgn on) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -r Ricean_FactordB -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -N CellId
-h This message
-a Use AWGN channel and not multipath
-p Use extended prefix mode
-n Number of frames to simulate
-r Ricean factor (dB,
0
means Rayleigh,
100
is almost AWGN
-s Starting SNR, runs from SNR0 to SNR0 +
5
dB. If n_frames is
1
then just SNR is simulated
-S Ending SNR, runs from SNR0 to SNR1
-t Delay spread
for
multipath channel
-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or
36
-
101
(E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)
-x Transmission mode (
1
,
2
,
6
for
the moment)
-y Number of TX antennas used in eNB
-z Number of RX antennas used in UE
-i Relative strength of first intefering eNB (in dB) - cell_id mod
3
=
1
-j Relative strength of second intefering eNB (in dB) - cell_id mod
3
=
2
-N Noise variance in dB
-R N_RB_DL
-O oversampling factor (
1
,
2
,
4
,
8
,
16
)
-f PUCCH format (
0
=
1
,
1
=1a,
2
=1b,
6
=
3
), formats
2
/2a/2b not supported
-F Input filename (.txt format)
for
RX conformance testing
|
