G-ORS is a MIMO RA algorithm that provably learns as fast as it is possible the best stream mode and MCS level for transmission.


Wireless Device Driver: Ath9k
Test Kernel Version: Linux-3.11.6
Test Operation System: Ubuntu12.04
Supported Standard: IEEE 802.11n
Supported Operation Mode: single-stream(SS), double-stream(DS)

Our device driver developed based on backports package release 3.11.6-1.

In particular, the main code is ~/net/mac80211/rc80211_ors_ht.c.


Download G-ORS



1. Download and extract the driver source code.


# tar -xvf ORS_backports-3.11.6-1.tar.bz2

2. Compile the G-ORS source code.
(linux-headers needs to be installed before you compile the code.)


# make defconfig-ath9k
# make menuconfig
   |---[ ] PID controller based rate control algorithm
   |---[*] Optimal Rate Selection (ORS)
   |---[*] ORS 802.11n support
   |---[ ] Minstrel
   |---[*] Wireless LAN
         |---Atheros Wireless Cards
               |---[*]Atheros ath9k debugging
               |---[ ]Atheros ath9k rate control
# sudo make install

3. Insert G-ORS module


# sudo rmmod ath9k ath9k_common ath9k_hw ath mac80211 cfg80211 compat
# sudo modprobe ath9k