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Bug #1544
closedPCU Benchmarking / Testing Setup
Start date:
02/23/2016
Due date:
% Done:
100%
Spec Reference:
Description
Many aspects of GPRS/EDGE come down to the efficiency of algorithms. This includes
- maximum throughput
- with single user
- with multiple defined number of users
- uni-directional TCP (like HTTP GET) in downlink
- uni-directional TCP (like SMTP DATA) in uplink
- fairness of bandwidth distribution in UL and DL between subscribers
- efficiency of rate/link adaption in changing environment
- differing bit error rate
- fading channels (multi-path)
- changing timing advance (fast moving MS in train/car or the like)
- timing advance loop
- uplink and downlink power control loop
- regular scheduling of building up a test setup + executing tests with a fading channel simulator
- artificially introducing simulated higher bit error rates, weak signals, etc. on the PCU-L1 interface or in the L1
- using remote-controlled modems in an actual test installation with as separate BTS free of production traffic
- building automatic test setup with antenna splitter/combiner and large number of GPRS modems
- adding at least partial MS-side GPRS capabilities to OsmocomBB
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