Hi all, 
I am trying to study STBC using USRP2 and have some questions about how to use 
mimo cable.

I followed the instruction on ettus but i dont understand 'Configuring the 
slave' part
http://files.ettus.com/uhd_docs/manual/html/usrp2.html#using-the-mimo-cable
====
Configuring the slave
In order for the slave to synchronize to the master over MIMO cable,
the following clock configuration must be set on the slave device:

uhd::clock_config_t clock_config;
clock_config.ref_source = uhd::clock_config_t::REF_MIMO;
clock_config.pps_source = uhd::clock_config_t::PPS_MIMO;
usrp->set_clock_config(clock_config, slave_index);
===
I wonder where should I add these lines?

What I am trying is:
self.usrp_sink = uhd.usrp_sink(device_addr=self.addr, stream_args = 
uhd.stream_args(cpu_format="32fc",channels=range(2),),)
self.usrp_sink.set_clock_source("internal", 0)
self.usrp_sink.set_time_source("mimo", 0)
self.usrp_sink.set_clock_source("mimo", 1)
self.usrp_sink.set_time_source("mimo", 1)

Am I right about that?
Thanks for any help~

Robee
                                          
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