respected wlan is transmitting at the data rate of 11 Mbps and 54 Mbps at the frequency of 2.4 GHz and 5 GHz. i want to know whether these frequencies are ...
respected In wlan the data is transferred at the rate of 11 Mbps and 54 Mbps at the frequency of 2.4 GHz and 5 GHz. I want to know how the frequency is ...
Which of the OID's need to be supported for the WLAN check box to come up in power->wireless tab of Windows mobile 5.0? Can anyone point me to some resources...
respected in wlan 802.11a they have mentioned that the data rates varies from 6,9,12,24,36,48,54 Mbps . So upon what basis thus these data rates varies and why...
47
Harshal Chhaya
harshal@...
Nov 18, 2005 9:38 pm
... The data rate depends on the modulation and coding used. The modulation at lower rates is more robust than the one for higher rates. So depending on the...
Hi all, Is there any to find the signal strength between any two nodes in ad hoc networks. using softwares like netstumbler we can find the signal strength...
49
Harshal Chhaya
harshal@...
Nov 22, 2005 11:22 pm
... Each node in the network will have a different signal strength. So you will have to measure it at each node for the numbers to make any sense. Also, the...
what i mean is from each node i should be able to measure the strength of the signal from all the other nodes. As u said there are n*(n-1) values. How can i...
Dear all, 802.11e specify a method to reserve bandwidth through tspec negotiation, and this is only initiated by a qsta in qbss. In the event that an...
52
Harshal Chhaya
harshal@...
Nov 29, 2005 3:46 am
... CW, Please note that the TSPEC-based reservation is only for the HC (QAP) to schedule polls to the QSTA. It is not a true reservation in that other devices...
53
Harshal Chhaya
harshal@...
Nov 29, 2005 3:47 am
... Sudha, Most WLAN drivers indicate the signal strength of the received packets. You can use the utilities provided by your WLAN card's vendor to get this...
I got the solution.using network analyzer like "commviewforwifi" you can find the signal strength from all the other nodes with out any transferring of files....
Airopeek has got a solution similar to distributed sniffer where the nodes can be deployed remotely and they report back to a mother Node ie aka. laptop with ...
Hello Harshal, I understand that the scheduled TXOP is requested by an QSTA and granted by the AP SME. In this situation, if the AP SME is not aware of the AP...
57
Harshal Chhaya
harshal@...
Dec 1, 2005 4:56 am
... CW, I think it is quite unlikely that the AP SME does not know the details of its downstream traffic. The admission control module has to know about all...
can we get the source code of wireless drivers or firmware. can u send me any links which tells about how to change this code so as to make it as wireless...
Harshal, I need more information here. We assume 2 cases: Case 1: A QSTA knows it requires quaranteed downstream bandwidth and it gets scheduled TXOP from the...
60
Harshal Chhaya
harshal@...
Dec 6, 2005 3:52 am
... CW, If the downstream traffic starts before the TSPECs have been agreed upon, the AP knows about the resources used by the downstream traffic and how much...
Hello all my name is James I recently got into wireless networks and I am currently taking courses at college to learn about it. Yesterday I built a wireless...
Hi all My name is james I just joined this group I am currently taking a course on wireless lans I really enjoy the class and now I would like to study for the...
New FRITZ!Box Fon WLAN 7050 BERLIN, January 4 - VoIP, ADSL and WLAN in One Device: - Internet Telephony Now with ISDN Phones - New Top of the FRITZ!Box Fon...
hello..i am a new member of this group..Actually,now i'm doing my final year project before graduate..my topic is IEEE 802.11 MAC Layer handoff process..i'm...
66
Harshal Chhaya
harshal@...
Jan 12, 2006 9:52 pm
... Hi, Have you been following the work done in IEEE 802.11r on Fast Roaming and Fast Handoff? That may help you in your project. Regards, - Harshal...
These are some variables for the project, my ramblings....: - You can get conditional probabilities . probability (Fast Handoff/ With QOS EDCA) =? - Instead of...
tq..my attention is on the probe delay which contributes the largest delay in handoff process..There are many factor that influences the delay..so how i'm...
69
Harshal Chhaya
harshal@...
Jan 16, 2006 7:44 pm
... Could you explain what you mean by 'probe delay'? The device could send out probe frames and build a list of available APs that it could roam to while it...
salam and greetings, great discussion here, i am new to the group ... currently i am doing a pre-lim study for my phd research on mac protocols for wlan anyone...
Typically AP will create the BSSID list (AP list) from the beacons it receives. User level Apps like the microsoft zero config go 'nuts' pumping in calls to ...
