[ns] [BUG] -- MAC 802.11 the backoff contention window is doubled erroneously

Hi to all, In 802.11 implementation, the first stage of the backoff counter should use the minimum contention window value (31). This is stated in the standard. In the ns implementation (versions 2.27, 2.28, and 2.29) there is a case where this is not true, being the first backoff window

[ns] Dropped Packets

Hello All... I am working on an admission controller. I wrote a pair of .cc and .h file which are the admission controller. I have done the necessary linking in the TCL and other c++ modifications. I am ending up in the trace file having my admission controller packets being dropped at the node

[ns] Installation problem of ns-2.1b8a

During installing ns-2.1b8a on RedHat Linux 8.0, I am facing the following problem ns make failed (trace.o not found) one error. machine configuration:pentium 4 :main board-845, ram-384Mb

[ns] Installation problem of ns-2.1b8a

During installing ns-2.1b8a on RedHat Linux 8.0, Iam facing the following problem. ns make failed (trace.o) one error Kindly give me the solution as soon as possible

[ns] How to change parameters via TCL file in 802.11e TKN model

Hi all, I'm using 802.11e TKN model and I just want to know the way to change the parameters (e.g. AIFS, TXOP, CW_MIN, etc) via TCL file. I tried as follows but didn't work. $opt(ifq-bs) Prio 0 CW_MIN 31 If anyone knows the way please reply me. Thanks in advance. Sithira

Re: [ns] Finding Node ID

http://tagus.inesc-id.pt/~pestrela/ns2/ns2_haddr_tips.html Type of Addresses that a node can have in NS2 (hAddr, ID, iAddr, Handle)? In NS2, a node can be uniquely identified by several forms the handle is the otcl name; it refers to an object of the form _oXXX, and because of this, it is the

[ns] GSM and CDMA

Hello all! I'm student in indonesia. I'm thesis about make simulation network wireless GSM and CDMA using NS2. Please send me information about it! Thanks Indra'. - Do you Yahoo!? Get on board. You're invited to try

Re: [ns] Multiple connections to a single agent

I'm not sure I understand, and perhaps I've not adequately described what I'm trying to do, so I'll try again using a semi-hypothetical scenario: (Please keep in mind I'm new to ns!) Suppose I've got the following topology: N1 - N2 - N3 And three different agents, (A1,A2,A3) which have all

Re: [ns] Multiple connections to a single agent

The problem is that the packets that you are sending to A3 have an incorrect port address. When you use $ns connect $a1 $a2 then automatically all normal control packets sent by a1 have the destination port of a2; as a1 is not connected to a3 in TCL, you must set the port by hand in C++,

[ns] Configuring relay number in NS2

Dear all, I am doing some wireless network (802.11a, b, e) simulation by NS2 at present. My main task is to analyse and simulate a modified 802.11 MAC layer which supports 2-hop relaying to optimize network performance. After reading the documents and the paper which written by the people

Re: [ns] Help on obtaining the location info of a mobile node within inC++ code of routing protocol

http://mailman.isi.edu/pipermail/ns-users/2006-January/053450.html http://tagus.inesc-id.pt/~pestrela/ns2/ns2_tips.html#_Toc124667331 http://www.cse.msu.edu/~wangbo1/ns2/nshowto5.html -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Xiaolin Cheng

Re: [ns] Multiple connections to a single agent

Wiki Information: http://en.wikipedia.org/wiki/Wiki http://en.wikipedia.org/wiki/Wikipedia:Introduction -Original Message- From: Brad Montgomery [mailto:[EMAIL PROTECTED] Sent: segunda-feira, 3 de Julho de 2006 23:14 To: [EMAIL PROTECTED] Subject: Re: [ns] Multiple connections

[ns] How to change the transmission range in 802.11 PHY

Dear all, In wireless-phy.cc, it says // Assume ATT's Wavelan PCMCIA card -- Chalermek //Pt_ = 8.5872e-4; // For 40m transmission range. // Pt_ = 7.214e-3; // For 100m transmission range. // Pt_ = 0.2818; // For 250m transmission range. //Pt_ = pow(10,