Need to configure my laptop Thinkpad - T430 as wifi hotspot

[amritjsr]

Hi All,

I have a Thinkpad - T430, which is having the wireless card as "03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205".
This one i need to configure as wifi hotspot. which i believe need to configure hostapd.conf, this kind of configuration is new to me anybody done it ?
Wireless card desc as below ..
Intel Corporation Centrino Advanced-N 6205
Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi

root# iw phy0 info ( command iw output, which shows it's capable of AP-Access Point )
Wiphy phy0
max # scan SSIDs: 20
max scan IEs length: 223 bytes
Coverage class: 0 (up to 0m)
Device supports RSN-IBSS.
Supported Ciphers:
* WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5)
* TKIP (00-0f-ac:2)
* CCMP (00-0f-ac:4)
Available Antennas: TX 0 RX 0
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor

is there any body help me to achive this ? configure it as wifi hotspot.