2016年3月24日 星期四

MME UE S1AP ID 2


LTE HO : Why two MME UE S1AP IDs present within the S1-AP HO Request message ?
http://tech.queryhome.com/45691/lte-ho-why-two-mme-s1ap-ids-present-within-the-request-message
http://www.3gpp.org/ftp/tsg_ran/WG3_Iu/TSGR3_70bis/Docs/R3-110241.zip

2    Discussion
2.1    X2 HO between HeNBs (Source and Target connected via the GW)
http://www.3gpp.org/ftp/tsg_ran/wg3_iu/TSGR3_70/Docs/R3-103812.zip
If the GUMMEI IE is contained in the INITIAL CONTEXT SETUP REQUEST message, the eNB shall store this information in the UE context and use it for subsequent X2 handovers.
If the MME UE S1AP ID 2 IE is contained in the INITIAL CONTEXT SETUP REQUEST message, the eNB shall store this information in the UE context and use it for subsequent X2 handovers.
ETSI TS 136 413 V10.0.1 (2011-01 )
LTE; Evolved Universal Terrestrial Radio Access Network (E- UTRAN); S1 Application Protocol (S1AP) (3GPP TS 36.413 version 10.0.1 Release 10 )
http://www.etsi.org/deliver/etsi_ts/136400_136499/136413/10.00.01_60/ts_136413v100001p.pdf