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Getting to know the Advanced Wireless Settings of Linksys Wireless-N Ethernet bridge

This article will list down the advanced wireless settings of the Linksys Wireless-N Ethernet bridge.

NOTE:  The advanced wireless settings screen are designed for advanced users only.  Any incorrect settings may result to poor wireless performance.
 

 


Use LDPC (Low-Density Parity-Check Code)
- enables or disables error correction to reduce the probability of data loss in noisy channels.  The Rate Adaption algorithm automatically disables LDPC coding when working at PHY rates higher than 162.  To use the LDCP advanced error correction scheme, keep the default setting which is Yes.  Otherwise, select No.

ERP Protection Type - this option configures protection of OFDM packets despite the presence of 802.11b stations within the wireless network.  By sending RTS/CTS or CTS2Self packets in 802.11b rates, the bridge informs the wireless network that OFDM packets are going to be transferred and protects the packets in the wireless network.  The RTS/CTS and CTS2Self packets create overhead, which may result in lower throughputs.  The RTS/CTS option provides better coverage but lower throughputs when compared to CTS2Self, because the RTS/CTS option includes acknowledgement from the receiving device.  To use the RTS/CTS option, keep the default, RTS/CTS.  To use the None option, select None.  To use the CTS2Self option, select CTS2Self.

NOTE:  The None option may cause collisions between OFDM and CCK packets.  

11n Protection Type - this option configures protection from non-High Throughput (HT) devices within the wireless network.  In case the wireless router (or access point) detects an association of a non-HT legacy device, it will signal all the HT devices to use RTS/CTS or CTS2Self mechanisms before each data transmission.  This feature also supports all 802.11n standard protections, including MIMO.  The RTS/CTS option provides better coverage but lower throughputs when compared to CTS2Self, because the RTS/CTS option includes acknowledgement from the receiving device.  To use the RTS/CTS option, keep the default, RTS/CTS.  To use the None option, select None.  To use the CTS2Self option, select CTS2Self.

Percentage of maximal transmit power - this option sets the percentage of maximal transmit power relative to the regulatory domain restrictions.  For example, if the regulatory domain restriction allows transmissions of up to 20dB, then setting the percentage at 50% allows maximal transmit power of 10dB.  Select the percentage you want to use: 12%, 25%, 50%, or 100%.  The default is 100%.

QoS Classification Type - this option sets 802.1D or 802.1Q mapping from the IP DSCP/TOS field to WMM priorities (Background, Best Effects, Video, Voice).  Keep the default, 802.1D, or select 802.1Q, which is used by some IPTV streams.

Re-establish Ethernet connection when initiating wireless connection - to trigger DHCP discovery from the device that resides behind the bridge, the bridge will reset the Ethernet link between the bridge and the device every time a wireless connection is established.  To disable this behavior, select No. Otherwise, keep the default, Yes.

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