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Wireless MIMO Switching. Fanggang Wang and Soung C. Liew. INC Seminar 26/01/2011. Store-and-forward. Network coding (NC). Physical Layer NC/Analog NC. Broadcast. Pairwise Unicast. Another. Requirements. Network Same frequency Half-duplex No coding No direct link Users
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Wireless MIMO Switching Fanggang Wang and Soung C. Liew INC Seminar 26/01/2011
Store-and-forward INC Seminar
Network coding (NC) INC Seminar
Physical Layer NC/Analog NC INC Seminar
Broadcast INC Seminar
Pairwise Unicast INC Seminar
Another INC Seminar
Requirements • Network • Same frequency • Half-duplex • No coding • No direct link • Users • Single antenna • Relay • Multi-antenna • Simple computation (amplify-and-forward) INC Seminar
To Do INC Seminar
Equivalent Unidirectional Hu Hu Hu Hu Hd Hd Hd Hd Hd INC Seminar
Unidirectional Relay Transmission Ra Ta Rb Tb Rc Tc Rd Td INC Seminar
Equivalent Unidirectional INC Seminar
To do INC Seminar
Combination • Now we have • any unicast pattern • We can establish • multicast pattern • broadcast pattern • … INC Seminar
Eg. Fair Switching • Each node sends • equal amount • independent data • to all the others • Equal SINR INC Seminar
Transmission INC Seminar
Remark 1 INC Seminar
System Model Equal SNR INC Seminar
Throughput INC Seminar
Throughput Equal traffic INC Seminar
Remark 2 INC Seminar
w/ Network Coding INC Seminar
w/ Network Coding INC Seminar
Summary • MIMO Switching • Fair Switching • w/ Network Coding INC Seminar
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