Feature #1620
OsmoTRX EGPRS PHY
Start date:
02/23/2016
Due date:
% Done:
0%
Spec Reference:
Description
In order to have EGPRS/EDGE working with OsmoTRX (and not just osmo-bts-sysmo), OsmoTRX will need an implementation of the 8PSK modulation/demodulation required for EGPRS.
tx1-power-time.gif - Agilent E4406A power-time (18.4 KB)
tx1-spectrum-mask.gif - Agilent E4406A spectrum mask (16 KB)
evm-5db-backoff.png - Agilent E4406A EVM (12.7 KB)
History
#1 Updated by laforge over 1 year ago
- Assignee set to ttsou
#2 Updated by ttsou over 1 year ago
- File tx1-power-time.gif added
- File tx1-spectrum-mask.gif added
- File evm-5db-backoff.png added
- Status changed from New to Resolved
Implemented and merged.
http://git.osmocom.org/osmo-trx/commit/?id=d325343eccaTested with now merged osmo-bts-trx EGPRS MCS implementation.
https://gerrit.osmocom.org/#/c/482/Verified end-to-end all downlink and uplink MCS levels with Huawei/Quacomm (MDM9200) USB dongle.
Measured passing downlink performance against E4406A.
#3 Updated by laforge over 1 year ago
- Status changed from Resolved to Closed