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Description

The command is used to configure a radio interface. This document describes the command in WANFleX in WANFleX software version with TDMA technology supporttechnology support.

Warning

title	CAUTION

Not all of the radio interfaces have the same set of parameters and options because it depends on the radio module type and standard. A complete list of parameters available for the specific interface can be displayed by "rf interface ?" command. Radio module type and its features list are can be displayed by "rf interface cap" command.

Syntax:

Code Block

language	text
theme	Emacs

usage: rf interface parameters...
Interface rf5.0 parameters:
   band   XXX:  bandwidth (MHz)
   grid   B G:  frequency grid - <bw> freq1[-freq2[/step]],... | clear
   freq   XXX:  central frequency (MHz)
   bitr   XXX:  bitrate (Kbps)
   txpwr  XXX:  tx power (dBm)
   sid    XXX:  system identifier - up to 8 hex digits [10101010]
   cap [full]:  RF capabilities
   txrt   XXX:  max transmit retries [10]
   txvrt  XXX:  max transmit retries in voice mode [5]
   [-]dpd       : dpd mode (digital pre-distortion) 
   [-]burst  :  burst mode (Super Packeting)
   [-]shortgi:  short guard interval mode
   [-]pwrctl :  automatic TPC mode
   mimo[-]transient : transient mode
   mimo|miso
   [-]misoctl
   [-]greenfield
   stat[1] [qos] [mcs] [OPT]

Note

title	NOTE

If frequency roaming is enabled, make changes to the roaming profile using "mint profile" command before making changes on the unit.

Parameters

Center

Parameter	Description
cap	Displays the radio module capabilities including acceptable transmit the information on power levels, frequencies etc.
band XXX	Allows choosing the bandwidth for transmission, can be specified as numeric or text values: "double" – 40 MHz. "full" – 20 MHz. "half" – 10 MHz. "quarter" – 5 MHz. The ability to switch between different bandwidth values is determined by the license. Within the same wireless network, devices must have the same values for this parameter.
grid B G	Allows to creat create a customized frequency grid within the license restrictions, i.e. to form the list of operating frequencies. "B" – the bandwidth for which the frequency grid is formed. "G" – list of sub ranges with the defined frequency step (start frequency–end frequency/step), or a list of comma delimited standalone frequencies. The resulting frequency grid can be viewed in radio interface properties and used in all cases when the frequency is determined automatically ("roaming", "dfs" and so on.). "clear" – restores the default frequency grid supplied in the unit’s license.
freq XXX	Sets central operating frequency in MHz. Must be equal at the both sides of the link.
bitr XXX	The bit transfer rate in Kbit/s of the radio link. Allowed values are: bandwidth 5 MHz: 3250, 6500, 9750, 13000, 19500, 26000, 29250, 32500 Kbit/s. bandwidth 10 MHz: 6500, 13000, 19500, 26000, 39000, 52000, 58500, 65000 Kbit/s. bandwidth 20 MHz: 13000, 26000, 39000, 52000, 78000, 104000, 117000, 130000 Kbit/s. bandwidth 40 MHz: 30000, 60000, 90000, 120000, 180000, 240000, 270000, 300000 Kbit/s.
txpwr XXX	Sets the transmitter emitting power in dBm. The acceptable transmit power values can vary depending on the radio module type.
sid XXX	Network identifier, a arbitrary hexadecimal number in the range of 1H to FFFFFFH. All routers that are supposed to see each other on the same radio link must have the same identifier.
txrt XXX	Sets the maximum number of repeat requests to be done when sending unicast packets. By default is 10.
txvrt XXX	Sets the maximum number of repeat requests for data packets (excluding voice packets) in voice mode. By default is 5. The maximum allowed value is 64. Voice mode is turned on automatically when VoIP traffic appears.
[-]dpd	Enables/disables digital pre-distortion mode. Allows to improve the signal quality by compensating of distortions that occur in the transmission path.
[-]burst	Enables/disable disables the BURST protocol support. The BURST protocol is grouping several short packets with the same destination address on a radio link into larger packets, thus significantly decreases the response time for applications when intensive streams of short packets appears. BURST has influence to a whole radio interface on selected device, but the BURST protocol can only work for destinations where it is also enabled at the other end, and only if MINT MINT protocol is used at both sides. BURST does not affect the operation of other devices in the network. BURST protocol operation statistic can be viewed by using the "muffer stat" command. Enabled by default.
[-]shortgi	Enables/disables the short guard interval mode. Using of this mode allows the device to increase its throughput by reducing the time interval between symbols being transmitted. However, this may significantly increase the intersymbol interference and, thus, cause a higher errors rate. Enabled by default.
[-]pwrctl	Включает/выключает режим автоматического управления мощностью передатчика (ATPC). В этом случае устройство будет стремиться поддерживать оптимальную мощность передатчика, обеспечивающую уверенный приём отправляемых им пакетов на противоположной стороне радиоканала. По умолчанию включено.
mimo\|miso	Выбор метода кодирования сигнала: MIMO или MISO.
[-]misoctl	В данном режиме устройство использует метод MISO для передачи служебных и управляющих пакетов при работе на низшей модуляции. Позволяет сохранить работоспособность беспроводного канала связи при отказе передатчика в одной из поляризаций или из-за дисбаланса уровней сигналов в разных потоках. Для отключения режима передачи управляющих фреймов посредствам метода MISO укажите параметр "-misoctl".
[-]greenfield	Включает/выключает режим "Greenfield". Данный режим уменьшает размер передаваемого кадра, удаляя исходное (pre-802.11n) поле из заголовка. Позволяет увеличить произволительность на 15%, а также избежать обработки и декодирования шумовых преамбул, что приводит улучшению качества сигнала.
*stat*	Выводит на экран текущую статистику радиомодуля. Расшифровку значений таблицы можно найти в подразделе "Примеры".

Примеры

...

extnoise X

Raises / lowers the noise level, allows to reduce the interference influence (in case of level increasement) or to increase the received signa the modulation (in case of level decreasement). Available values are from -16 to 32 dB. By default - 0.

[-]pwrctl

Enables/disables Automatic Transmit Power Control (ATPC). When it is enabled the system automatically adjusts device’s output power to the optimal value that is necessary and sufficient to maintain the maximum productivity of the link in the given conditions. Enabled by default.

[-]transient

Only for the InfiLINK Evolution / InfiMAN Evolution families devices. Enables/disables the InfiLINK 2x2 / InfiMAN 2x2 families compatibility mode.

To ensure operation in compatibility mode, configuration changes must be made, which are detaily described in the article: Upgrade from R5000 to Evolution.

mimo|miso

Allows to select a signal coding method: MIMO or MISO.

[-]misoctl

Anchor

	misoctl
	misoctl

In this mode the device use MISO for transmission of service packets while working on a low modulation. It allows keep the link operation when a transmitter in one the polarizations fails or in case of signal levels imbalance in different streams. To disable this mode use the "-misoctl" parameter.

[-]greenfield

Enables/disables "Greenfield" mode. This mode reduces the transmitted frame size, removing the original (pre-802.11n) field from the header. Allows to increase the performance by 15%, as well as avoid the processing and decoding of noise preambles, which leads to an improvement of signal quality.

stat[1] [qos] [mcs]

Displays the radio module's statistic. For more information about table values see "Examples" subsection.

"1" – shows statistic in current moment, if not specified, the statistic is displayed in real time.
"qos" – shows priorities statistic.
"mcs" – shows modulation statistic.
"OPT" – shows statistic of all parameters.

Examples

Displays the radio module's parameters.

Code Block

language	text
theme	Emacs

 rf cap
   Radio capabilities:
   Model name:                          InfiNet Wireless RMM54 Rev4
   Adapter name:                        Atheros AR9220 Wireless PCI Adapter. InfiNet Wireless RMM54 5.5 GHz Radio rev 04 Beamsteering Antenna
   Subvendor: 0xfff1, Subid 0x5404
   Power levels (dBm):                  min -10 max 30 step 0.5
   Greenfield mode supported
   Smart Antenna, 16 Beams, 1000ns, HW#0, SW#18, Enabled
   MAC address:                         000435136C7B
   Bandwidth modes:                     28, 3.5, 7, 14, 30, 15, 5, 10, 20, 40
   Bitrate list:                        30000, 60000, 90000, 120000,
                                        180000, 240000, 270000, 300000
   Frequency bounds (40 MHz):           4800-6060
   Frequency grid (user defined):       4800-6060/100
   Frequency list (12 channels):
     4900, 5000, 5100, 5200, 5300, 5400, 5500, 5600, 5700, 5800, 5900, 6000

В данном примере перечислены способы указания сетки частот.

Possible ways of how to set frequency grid are shown in the following example:

Code Block

language	text
theme	Emacs

rf rf5.0 grid 40 4920-5940/5
rf rf5.0 grid 20 5310-5390/10,5450,5500-5580/20
rf rf5.0 grid 10 5480, 5500, 5520, 5540, 5560, 5580

Установим ширину полосы 20 на опорном узле частотного роуминга

Set the bandwidth value 20 on the node which use frequency roaming.

Code Block

language	text
theme	Emacs

mint rf5.0 profile 1 -band 20
rf band 20

Выведем текущую статистику радиомодуля

Display the current radio module's statistic.

Code Block

language	text
theme	Emacs

rf stat
RF rf5.0 status UP (band 40, freq 5400)  :ACTIVE
DFS  status     OFF
TDMA status     Master (5 ms DL/UL:Auto) (DL2500/UL2500)

+--------------------------------------+--------------------------------------+
|          Receive statistics          |         Transmit  statistics         |
+--------------------------------------+--------------------------------------+
| Broadcast Rate           300000      | Voice Mode                OFF        |
| Bytes Received           2564270416  | Bytes Transmitted         3133097156 |
| Frames Received OK       1174142362  | Frames Transmitted OK     755978882  |
| Multicast Frames         10147084    | Multicast Frames          1852112    |
+--------------------------------------+--------------------------------------+
| Load (kbps)              134484      | Load (kbps)               141136     |
| Load (pps)               11177       | Load (pps)                7044       |
| Frame size (bytes)       1504        | Frame size (bytes)        2504       |
+--------------------------------------+--------------------------------------+
| RX Medium Load           45.0%       | TX Medium Load            46.6%      |
| Total Medium Busy        92.1%       | Frame Time Used           98.2%      |
+--------------------------------------+--------------------------------------+
| Duplicate Received       186877      | Too Short/Long Frame      0 / 4      |
| Lost frames              74928       | Aggr Subframe Retries     1207537    |
| Rx Collision             1           | Aggr Full Retries         8900       |
| FIFO Overrun             13          | FIFO Underrun             0          |
| CRC Errors               11187590    | Excessive Retries         1233       |
| Noise Floor              -96         | Max aggr frames           52         |
| Rx Subslots/Nodes        4 / 48      | Max aggr bytes            65430      |
| Scrambled frames         11          | Scrambled frames          0          |
| Scramble errors          2           | Tx queue overflow         1377218266 |
| Rx Time Limit (us)       127         | Tx Time Limit (us)        1942       |
| Rx Cap (Mbps)            112         | Tx Cap (Mbps)             139        |
+--------------------------------------+--------------------------------------+

"RF rf5.0 status UP (band 20, freq 4900) :ACTIVE" –

статус интерфейса, ширина канала, частота, состояние

interface status, bandwidth, frequency, state.
TDMA status Master (5 ms DL/UL:Auto) (DL2500/UL2500) (PTP mode) –

статус

TDMA status,

размер фрейма

frame size,

соотношение

DL/UL ratio,

топология сети

network topology.
"DFS status OFF" –

статус

DFS status.
"Broadcast Rate

" – текущий битрейт для пакетов broadcast и multicast на базовой станции

" – current bitrate value for Broadcast and Multicast packets on the BS (depends upon the speed of the slowest CPE).
"Voice Mode" –

наличие/отсутствие голосового трафика. Если есть, то автоматически включается режим приоритетной обработки голосовых пакетов

presence/absence of voice traffic. If some appears, mode of it's prioritized processing is turned on.
"Bytes Received" –

количество принятых байт с учетом заголовков

number of received bytes including headers.
"Bytes Transmitted" –

количество переданных байт с учетом заголовков

number of transmitted bytes including headers.
"Frames Received OK" –

количество корректных принятых фреймов

number of correctly received frames.
"Frames Transmitted OK" –

количество корректных переданных фреймов

number of correctly transmitted frames.
"Multicast Frames" –

количество принятых фреймов multicast

number of received multicast frames.
"Load (kbps)" –

загрузка беспроводного канала (кбит/с

wireless link load (Kbit/s).
"Load (pps)" –

загрузка беспроводного канала (пакетов/с

wireless link load (packets/s).
"Frame size (bytes)" –

размер фрейма

frame size (

байт

bytes).
"Medium Load" –

время, затраченное на приём фреймов

time spent to receive frames (%).
"Frame Time Used" –

средняя заполняемость фрейма передачи

average transmitted frame fill rate (%).
"Medium Busy" –

время, в течение которого среда передачи была занята (приёмом или передачей

time during which the medium was occupied (reception or transmission) (%).
"Duplicate Received" –

количество принятых дублирующих пакетов

number of duplicate packets received.
"Aggr Subframe Retries" –

количество пакетов в агрегате, отброшенных из-за издержек протокола при передаче

number of packet drops in an aggregate due to protocol excesses (for transmission).
"Lost frames" –

количество потерянных фреймов

number of frames lost.
"Rx Collision" –

количество случаев, когда передача фрейма прервала текущий приём

number of cases when the frame transmission interrupted the receiving.
"Aggr Full Retries" –

количество переданных дублей агрегатов

number of duplicate aggregates transmitted.
"FIFO Overrun" –

число случаев переполнения очередей в радиоканале при приеме

number of FIFO queues overruns in the radio when receiving.
"FIFO Underrun" –

количество случаев опоздания записи очередного пакета в очередь при передаче в радиоканал

number of FIFO queues underruns in the radio while transmitting.
"CRC Errors"

– количество принятых пакетов с нарушением контрольной суммы

– number of received packets with CRC errors.
"Excessive Retries"

– количество пакетов, которые не были переданы даже за максимальное количество переповторов

– number of packets which were not transmitted with maximal number of retries.
"Noise Floor" –

уровень шума на входе, измеряется раз в 10 секунд

input noise level. Measurement cycle –10 seconds.
"Max aggr frames" –

максимальное число пакетов в агрегате, зафиксированное системой

maximal detected number of packets in an aggregate.
"Max aggr bytes" –

максимальное число байт в агрегате, зафиксированное системой

maximal detected bytes in an aggregate.
"Scrambled frames" –

количество отправленных/принятых скремблированных фреймов

number of received/transmitted scrambled frames.
"Scramble errors"

– количество ошибок дескремблирования

– number of scramble errors.
"Tx queue overflow" – data queue overflow

" – переполнение очереди на передачу данных

for transmittion.
"Rx Subslots"

– количество субслотов для UL части фрейма

– subslots number for UL frame part.
"Rx Time Limit" –

доля полезных данных в микросекундах для

quota of useful data in microseconds for UL.
"Tx Time Limit" –

доля полезных данных в микросекундах для

quota of useful data in microseconds for DL.
"Rx Cap (Mbps)" –

предел пропускной способности для

capacity limit for UL (

Мбит

Mbit/

с

s).
"Tx Cap (Mbps)" –

предел пропускной способности для

capacity limit for DL (

Мбит

Mbit/

с

s).

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Key

Description

Parameters

Примеры

Examples