Wireless Network Cloud Sayan Kole

2G-3G wireless network architecture PSTN 2G-3G wireless network architecture 4G Wireless Network over Wireless Network Cloud Cloud of Wireless Access Network + Core Network Access Network Core Network Service Network SMS/MMS WAP GW SMS/MMS IMS Content Service Web Service Mobile switch center BS BS cluster Radio network controller BS Edge gateway Management Server Service support node Radio network controller Gateway Billing Edge gateway BS Internet BS cluster BS IBM Confidential

2G/3G/4G Wireless over Wireless Network Cloud PSTN 2G/3G/4G Wireless over Wireless Network Cloud Service on Edge Cloud of Wireless Access Network + Core Network Service Network SMS/MMS IMS Content Service Web Service BS cluster Edge gateway Management Server Service support node Billing Edge gateway Internet BS cluster IBM Confidential

Towers: Passive vs Active Infrastructure Sharing IBM Confidential

Various Forms of Infrastructure Sharing in Wireless Networks Network Sharing (eg: rural) Base Station Sharing (leads to cloud) BSC Owner #1 Retail Owner #1 Network SDR RRU MSC BSC BTS BSC Owner #2 Retail Owner #2 Network Base Band Unit BTS Antenna Sharing Tower Sharing (very popular) BSC BTS Owner #1 Network BSC BTS Owner #1 Network O BSC BTS BSC BTS Owner #2 Network Owner #2 Network IBM Confidential

IT & Cloud Computing Techniques Wireless Network Cloud: Convergence of IT Platforms, SDR & RRH, Cloud Computing Principles & Fiber-to-the-tower Software Radio Technology/ Hybrid IT Systems IT & Cloud Computing Techniques Remote Radio Header Technology BaseStation Pool Antenna + Remote Radio Header Fiber (> 10Km) Wireless Network Cloud End-to-End IP Infrastructure in 4G IBM Confidential

Challenges How to focus on real-time synchronized behavior. VOIP. How to ensure co-operation between base stations? Does it affect performance? Choice of platforms and servers. Availability/reliability of wireless network. Distribute VMs among physical servers.

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