Dynamic Link Quality Measurements March 2003 doc.: IEEE 802.11-03/158r0 March 2003 Dynamic Link Quality Measurements Rodrigo Garces Mobility Network Systems March 11, 2003 rodrigo.garces@mobilitynetworks.com Rodrigo Garces, Mobility Network Systems Rodrigo Garces, Mobility Network Systems
March 2003 Propose to have a command for management purposes, that can be initiated by any authorized radio, allowing it to measure its receiving link quality using another radio as transmitter Rodrigo Garces, Mobility Network Systems
Parameter of the Command March 2003 Parameter of the Command MAC_add = transmitters MAC address Band = 802.11a, 802.11b, 802.11g Pktsize = size of data packets in octets Num_cycles = number of cycles Start_Ch = starting channel (1,..,11) Num_Ch = number of channels to test Mod = modulation to be used Rate = time in ms between packets Tx_Power_L = transmit power level Rodrigo Garces, Mobility Network Systems
Display Statistics Packet Success Rate per channel March 2003 Display Statistics Packet Success Rate per channel RSSI; mean, max, min Rodrigo Garces, Mobility Network Systems
March 2003 How does it work? Radio 1 requests Radio 2 to send him packets with the specified characteristics Radio 1 is in receiving mode and collects statistics Radio 2 is in transmit mode and sends packets Rodrigo Garces, Mobility Network Systems
March 2003 Rodrigo Garces, Mobility Network Systems Request Response Test Data Ch 1 Test Data Ch n Test Data Ch 1 Rodrigo Garces, Mobility Network Systems
Can be useful For deployments For network management March 2003 Can be useful For deployments For network management Link Measurements for Handovers Rodrigo Garces, Mobility Network Systems