Hitron Technologies BVW-3653 Router Manual PDF (Setup & Configuration Guide)

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WIRELESS

6.5.1

CONFIGURING WMM PARAMETERS

To set up your BVW-3653’s Wifi MultiMedia (WMM) Quality of Service (QoS)

settings, click the

Configuration

button in the

Wireless

>

Advanced

screen. The

following screen displays.

FIGURE 33:

The Wireless > Advanced > WMM Configuration Screen

NOTE:

It is strongly recommended that you do not change the default values in this

screen unless you have a good reason to do so.

Other

HT TxStream

Select the number of 802.11n radio transmitting

channels (

1

or

2

) for High Throughput (HT) transmission.

HT RxStream

Select the number of 802.11n radio receiving channels

(

1

or

2

) for High Throughput (HT) transmission.

Apply

Click this to save your changes to the fields in this

screen.

Cancel

Click this to return the fields in this screen to their last-

saved values without saving your changes.

Help

Click this to see information about the fields in this

screen.

TABLE 31:

The Wireless > Advanced Screen (continued)

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The following table describes the labels in this screen.

TABLE 32:

The Wireless > Advanced > WMM Configuration Screen

WMM Parameters of Access Point

NOTE:

This section controls the parameters of data transmitted from the BVW-3653

to the wireless clients.

AC_BE

This row controls the Best Effort (BE) Access Category

(AC)

AC_BK

This row controls the Background (BK) Access Category

(AC)

AC_VI

This row controls the Video (VI) Access Category (AC)

AC_VO

This row controls the Voice (VO) Access Category (AC)

AIFSN

This column controls the Arbitration Inter-Frame Space

Number for each Access Category. WMM gives the

highest priority to the AC with the lowest AIFSN.

CWMin

This column controls the Contention Window Minimum

for each Access Category. A smaller

CWMin

value

increases priority for data of the relevant type.

The contention window system is a mechanism for

providing priority to important data on the wireless

network. When a data collision occurs, each frame is

assigned a random time to wait before attempting

transmission again. This random time value is between

zero and the data’s

CWMin

value. If a collision occurs

again, the time value is doubled, and transmission is

attempted again. This continues until the time value

reaches the

CWMax

value.

CWMax

This column controls the Contention Window Maximum

for each Access Category. A smaller CWMin value

decreases the access delay for data of the relevant

type, but can result in more data collisions.

TXOP

This field defines the Transmission Opportunity (TXOP)

length for each Access Category. This is the length of

time during which the wireless device may to transmit

over the wireless network, once it receives a

transmission opportunity.

ACM

This field specifies whether Admission Control is

Mandatory (ACM) for each Access Category. Select the

checkbox to have the BVW-3653 control ACM.

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WIRELESS

AckPolicy

WMM defines two ACK policies: NormalAck and NoAck.

±

NormalAck

: the recipient of a transmission

acknowledges each received packet.

±

NoAck

: the recipient of a transmission does not

acknowledge received packets. This can improve

data throughput in situations where signal quality is

excellent, but in other situations can cause a

significant increase in lost packets.

Select the checkbox to use the NoAck policy.

WMM Parameters of Station

NOTE:

This section controls the parameters of data transmitted from the wireless

clients to the BVW-3653.

AC_BE

This row controls the Best Effort (BE) Access Category

(AC)

AC_BK

This row controls the Background (BK) Access Category

(AC)

AC_VI

This row controls the Video (VI) Access Category (AC)

AC_VO

This row controls the Voice (VO) Access Category (AC)

AIFSN

This column controls the Arbitration Inter-Frame Space

Number for each Access Category. WMM gives the

highest priority to the AC with the lowest AIFSN.

CWMin

This column controls the Contention Window Minimum

for each Access Category. A smaller

CWMin

value

increases priority for data of the relevant type.

The contention window system is a mechanism for

providing priority to important data on the wireless

network. When a data collision occurs, each frame is

assigned a random time to wait before attempting

transmission again. This random time value is between

zero and the data’s

CWMin

value. If a collision occurs

again, the time value is doubled, and transmission is

attempted again. This continues until the time value

reaches the

CWMax

value.

CWMax

This column controls the Contention Window Maximum

for each Access Category. A smaller CWMin value

decreases the access delay for data of the relevant

type, but can result in more data collisions.

TABLE 32:

The Wireless > Advanced > WMM Configuration Screen

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WIRELESS

TXOP

This field defines the Transmission Opportunity (TXOP)

length for each Access Category. This is the length of

time during which the wireless device may to transmit

over the wireless network, once it receives a

transmission opportunity.

ACM

This field specifies whether Admission Control is

Mandatory (ACM) for each Access Category. Select the

checkbox to have the wireless client control ACM.

TABLE 32:

The Wireless > Advanced > WMM Configuration Screen

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WIRELESS

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