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Copyright 2019 AT&T Intellectual Property *

Copyright 2019 Nokia *

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Licensed under the Apache License, Version 2.0 (the "License"); *

you may not use this file except in compliance with the License. *

You may obtain a copy of the License at *

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http://www.apache.org/licenses/LICENSE-2.0 *

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Unless required by applicable law or agreed to in writing, software *

distributed under the License is distributed on an "AS IS" BASIS, *

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *

See the License for the specific language governing permissions and *

limitations under the License. *

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INSTALLATION

  • Tested environment: Ubuntu 16.04
  • Install dependencies $ sudo apt-get update $ sudo apt-get install -y build-essential git cmake libsctp-dev lksctp-tools autoconf automake libtool bison flex libboost-all-dev $ sudo apt-get clean

Build

$ ./build_e2sim

SET ENVIRONMENT VARIABLE

Add this line to ~/.bashrc $ export E2SIM_DIR=

RUN E2SIM

$ cd $E2SIM_DIR/build/ $ ./e2agent [SERVER IP] [PORT]

By default, SERVER IP = 127.0.0.1, PORT = 36422 (X2AP Port)

DOCKER

Note: The commands in this section must be run from $E2SIM_DIR

  • Build docker image $ ./build_docker

Run docker container

$ sudo docker run --rm --net host -it e2agent sh -c "./build/e2agent [SERVER IP] [PORT]"

SUPPORTED MESSAGE FLOWS (Last updated May 24, 2019)

  • X2 SETUP REQUEST (RIC -> RAN)

  • X2 SETUP RESPONSE (RAN -> RIC)

  • ENDC X2 SETUP REQUEST (RIC -> RAN)

  • ENDC X2 SETUP RESPONSE (RAN -> RIC)

  • RIC SUBSCRIPTION REQUEST (RIC -> RAN)

  • RIC SUBSCRIPTION RESPONSE (RAN -> RIC)

  • RIC SUBSCRIPTION FAILURE (RAN -> RIC)

Change logs:

03/12/2019: currently supports sending and receiving X2 SETUP messages 05/21/2019: add support for ENDC X2 SETUP
no longer use asn1c all X2AP and E2AP messages are encapsulated into E2AP-PDU 05/24/2019: add support for RIC SUBSCRIPTION REQUEST, RESPONSE, and FAILURE