My router only supports 2.4 GHz, and my phone experiences severe ping spikes and jitter during mobile gaming. I cannot replace the router right now, but my laptop is connected to it by Ethernet and has a 5 GHz-capable Wi-Fi adapter. If I enable Windows Mobile Hotspot on the laptop and connect my phone over 5 GHz, will that reduce interference and provide more stable latency than connecting directly to the router's 2.4 GHz Wi-Fi? Could Windows routing add noticeable delay or jitter, and are there any power or network settings I should change to prevent throttling or disconnects?
3 Answers
It’s worth trying because the cost is basically zero. The laptop would act as an extra wireless access point, and the extra routing hop should normally add very little latency. However, if the router or modem itself is overloaded, has bufferbloat, or is struggling with its internet connection, changing the Wi-Fi link alone may not fix the spikes. Power-cycle the network equipment first if you haven’t already.
A 5 GHz hotspot can improve the phone’s wireless performance, especially if the laptop is closer to the phone or there is less congestion around it. The improvement is not because 5 GHz automatically gives lower ping; 2.4 GHz can still have decent latency. The laptop hotspot adds another hop, but the delay is usually negligible under normal conditions. Set Windows and the Wi-Fi adapter to maximum performance and disable aggressive power saving to avoid drops or throttling.
The Ethernet connection means the laptop receives data without using the router’s 2.4 GHz radio, so the phone’s wireless link can benefit from moving to 5 GHz. Still, the result depends on the source of the jitter. If the problem is interference between the phone and router, this may help a lot. If the issue is ISP congestion, bufferbloat, or the router’s CPU, the hotspot probably won’t eliminate it. A newer router or access point would be the cleaner long-term solution.
I tested it and download speed rose from roughly 50–60 Mbps on the router’s Wi-Fi to around 180–200 Mbps through the laptop’s 5 GHz hotspot, so the wireless connection definitely seems better.