BTS: add a testcase for PDCH interference reports
Change-Id: I39e70524ad3d2ee51b537c8f786b7754a02949b1
Related: SYS#5313, OS#1569, OS#1866
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index c9553a3..e855405 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -5838,6 +5838,61 @@
setverdict(pass);
}
+/* Verify periodic interference reports on PDCH */
+testcase TC_pcu_interf_ind() runs on test_CT {
+ var template PCUIF_Message tr_interf_ind;
+ var template PCUIF_interf ts_interf;
+ var integer interf_ind_num := 0;
+ var PCUIF_send_data sd;
+ timer T;
+
+ f_init_with_pcuif();
+ f_TC_pcu_act_req(0, 0, 7, true);
+
+ /* We need trxcon for NOPE indications */
+ f_init_l1ctl();
+ f_l1_tune(L1CTL);
+
+ /* Expect -120 .. -90 dBm on TS7 of BTS0/TRX0 */
+ ts_interf := { 0, 0, 0, 0, 0, 0, 0, (90..120) };
+ tr_interf_ind := tr_PCUIF_INTERF_IND(
+ bts_nr := 0,
+ trx_nr := 0,
+ fn := ?,
+ interf := ts_interf
+ );
+
+ /* 4 SACCH periods => 4 reports (plus some guard time) */
+ var float Tval := int2float(4 * 480) / 1000.0 + 0.5;
+
+ /* Let it some time to stabilize */
+ f_sleep(0.5);
+ PCU.clear;
+
+ T.start(Tval);
+ alt {
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_interf_ind)) -> value sd {
+ /* Check TDMA frame number period */
+ if (sd.data.u.interf_ind.fn mod 104 != 0) {
+ setverdict(fail, "Odd TDMA frame number := ",
+ sd.data.u.interf_ind.fn);
+ }
+ interf_ind_num := interf_ind_num + 1;
+ if (interf_ind_num < 4)
+ { repeat; }
+ }
+ [] PCU.receive(t_SD_PCUIF(g_pcu_conn_id, tr_PCUIF_INTERF_IND(0, 0))) -> value sd {
+ setverdict(fail, "Received unexpected interference report: ", sd.data);
+ }
+ [] PCU.receive { repeat; }
+ [] T.timeout {
+ setverdict(fail, "Timeout waiting for interference reports");
+ }
+ }
+
+ Misc_Helpers.f_shutdown(__BFILE__, __LINE__);
+}
+
/***********************************************************************
* Osmocom Style Dynamic Timeslot Support
***********************************************************************/
@@ -7492,6 +7547,7 @@
execute( TC_pcu_socket_nsvc_ipv4() );
execute( TC_pcu_socket_nsvc_ipv6() );
execute( TC_pcu_socket_two_nsvc() );
+ execute( TC_pcu_interf_ind() );
} else {
log("PCU socket path not available, skipping PCU tests");
}