Subject: Re: [MOBILE-IP] intra-RAN diversity with dynamic anycasting...

From: James Kempf <[email-masked]>
Date: Thu, 4 May 2000 16:21:15 -0700

Theo,

>  How does the RAN gateway exert such control
>over the BTS(s). What protocol does it employ..?
>

In 3GPP Release 1999 (wcdma), I think the protocols are NBAP and RNSAP. NBAP
is the protocol involved in soft handoff, RNSAP is involved in
RAN-RAN signalling. NBAP is specified in
TSG 3GPP TS 25.433 v3.1.0 (March 2000) and RNSAP is specified in
TSG 3GPP TS 25.423 v3.1.0 (March 2000). These are available
from the URL ftp://ftp.3gpp.org/Specs/March 00/25 series/.

In 3GPP2, the protocols are specified in IS-95, the existing 2G
CDMA standard, and IS-2000, the cdma-2000 standard. IS-634 may
also be involved in RAN-RAN signalling. Unfortunately, I don't have a reference
for the 3GPP2 protocols.

                jak