diff options
Diffstat (limited to 'src/target/trx_toolkit/fake_trx.py')
-rwxr-xr-x | src/target/trx_toolkit/fake_trx.py | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/target/trx_toolkit/fake_trx.py b/src/target/trx_toolkit/fake_trx.py index de0e6ff0..69cdd868 100755 --- a/src/target/trx_toolkit/fake_trx.py +++ b/src/target/trx_toolkit/fake_trx.py @@ -64,8 +64,16 @@ class FakeTRX(Transceiver): from (rssi_base - rssi_rand_threshold) to (rssi_base + rssi_rand_threshold). - Please note that randomization of both RSSI and ToA is optional, - and can be enabled from the control interface. + - C/I (Carrier-to-Interference ratio) - value in cB (centiBels), + computed from the training sequence of each received burst, by + comparing the "ideal" training sequence with the actual one. + A pair of both base and threshold values defines a range of + C/I randomization: + + from (ci_base - ci_rand_threshold) + to (ci_base + ci_rand_threshold). + + Please note that the randomization is optional and disabled by default. == Timing Advance handling @@ -263,6 +271,25 @@ class FakeTRX(Transceiver): self.rssi_base += int(request[1]) return 0 + # C/I simulation + # Absolute form: CMD FAKE_CI <BASE> <THRESH> + elif self.ctrl_if.verify_cmd(request, "FAKE_CI", 2): + log.debug("(%s) Recv FAKE_CI cmd" % self) + + # Parse and apply both base and threshold + self.ci_base = int(request[1]) + self.ci_rand_threshold = int(request[2]) + return 0 + + # C/I simulation + # Relative form: CMD FAKE_CI <+-BASE_DELTA> + elif self.ctrl_if.verify_cmd(request, "FAKE_CI", 1): + log.debug("(%s) Recv FAKE_CI cmd" % self) + + # Parse and apply delta + self.ci_base += int(request[1]) + return 0 + # Path loss simulation: burst dropping # Syntax: CMD FAKE_DROP <AMOUNT> # Dropping pattern: fn % 1 == 0 |