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authorAlexander Chemeris <Alexander.Chemeris@gmail.com>2016-03-19 21:16:58 +0300
committerAlexander Chemeris <Alexander.Chemeris@gmail.com>2016-03-19 21:16:58 +0300
commit3c570f69a483fd652fc883e415c45ebd788e55c2 (patch)
tree9201b68947e8d6b48089fe5f940b32f24a5ff3dd
parent83d2b7e034709376f7d98af7bbf5b0036f173220 (diff)
sigProcLib: Change number of head bits in detectRACHBurst() from 4 to 8.
To match GSM 05.02 Access Burst definition.
-rw-r--r--Transceiver52M/sigProcLib.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/Transceiver52M/sigProcLib.cpp b/Transceiver52M/sigProcLib.cpp
index a19053c..9b668b4 100644
--- a/Transceiver52M/sigProcLib.cpp
+++ b/Transceiver52M/sigProcLib.cpp
@@ -1446,7 +1446,7 @@ int detectGeneralBurst(signalVector &rxBurst,
*
* Correlation window parameters:
* target: Tail bits + RACH length (reduced from 41 to a multiple of 4)
- * head: Search 4 symbols before target
+ * head: Search 8 symbols before target
* tail: Search 4 symbols + maximum expected delay
*/
int detectRACHBurst(signalVector &rxBurst,
@@ -1460,7 +1460,7 @@ int detectRACHBurst(signalVector &rxBurst,
CorrelationSequence *sync;
target = 8 + 40;
- head = 4;
+ head = 8;
tail = 4 + maxTOA;
sync = gRACHSequence;