CoD4 Lag [Maybe?] Issues

I am having the exact same issues as the original poster. I have a VERY good understanding of the dynamics of computer components, connection rate, etc.. here is a baseline of my setup / hardware:

Q6600 quadcore (overclocked to 3.2ghz)
(4) gigs of Corsair Dominator 1066mhz ram
Asus P5E-VM HDMI motherboard
PC Power & Cooling 750w Power Supply
WD 640gb Sata hard drive
EVGA 8800GTS Video Card
Windows Vista Ultimate x64
Charter Cable 10mb internet connection

When I play any of my "other games" online, (FEAR, Guild Wars, Crysis), they work fine (I do understand that Crysis is a GPU hog). However, when I play COD4, I experience the same type of "lag" that was previously mentioned. The game will run fine for about 30 seconds or so, then I get what I can only describe as a HUGE lag spike for about 2-3 seconds. When COD4 shows the "playback" of me being killed, it shows my opponent running around normally and me being "FROZEN" and not moving at all.

I am on a wireless setup with a Linksys WRT54G wireless router and a ZONET ZEW2500P wireless device, hooked up to my computer. My Linksys router is about 45 feet from my computer, in a different room. I have an excellent wireless connection (usually between 92% - 96%). When I check my ping in COD4, I am usually the LOWEST ping in the room (around 20). So, I know my SIGNAL is really good. I even went as far as to leave my wireless internet connection unsecure (no encryption - WEP, WPA). I forwarded my ports, etc.

I have done all of the COD4 tricks such as heavily overclock my graphics card, use the developer tool / commands by pressing the ~ key: cl_connectattempts 30 (or 60), cl_connectiontimeout 500, updated to the latest Punkbuster, cl_maxpackets 100, cl_packetdup 0 or 1, etc.. I have even enabled the cg_drawFPS 1 and cg_drawlagometer 1. When I "LAG SPIKE" every 30 seconds or so, it shows on the lagometer graph as a large yellow graph/spike, as soon as the "spike" is over, it returns to a thin blue line. That obviously tells me, there is a problem with the wireless connection pertaining to the game. Like I said, I have NO problems with any of my other online games on my computer. Just COD4. Often, I will incur an error message saying, "CONNECTION INTERRUPTED".

To isolate my issue, I ran a long 50 ft ethernet cable (CAT5) from my router, directly into my onboard LAN connection. Viola, NO MORE ISSUES. So, I KNOW its my wireless settings and I suspect the culprit is Windows Vista (specifically how Windows Vista manages its' wireless settings). Why does COD4 seem to be the ONLY game that I have, to be affected by this problem?

Any suggestions? Anyone resolve this issue or find its cause? I know I am not the only one suffering from this problem. It seems that I have been all over the internet, looking for a valid solution (other than someone saying, wireless sux for gaming). My other games are perfectly fine over wireless. There is probably a "tweak" within Vista that will solve this issue. I am usually a person that helps answer tech questions on other websites such as Vapochill Forum, HardForum, etc.. but this one has me stumped!

 

I can't believe it.. It took me a bit, but I managed to solve this issue: http://hardforum.com/showpost.php?p=1033529723&postcount=1

 

Ive been researching this problem for a while since I keep getting the same thing on my new labtop(runs vista) it seems to be a problem with vista searching for a new network every 60 seconds or so, apparently its a known issue with no fix, I did read about some kind of adapter you can buy that fools vista into thinking its wired, thus solving the problem.

 

there is a fix- the above link has a step by step pictorial walkthrough- pretty simple.