Huawei LTE Commissioning Overview

1. Huawei LTE Commissioning Overview • Jeff Fry, Wimax/LTE Systems Integration & Test, Technology Development LTE Network Commissioning Document: • <Some location on portal> LTE Commissioning Overview: • Dual-mode Wimax/LTE • Commissioning Data Preparation • Commissioning Task • OAM Link and Commissioning Task Execution • Distribute Commercial License • Multi-modal BTS and eNodeB Mode

2. Dual-mode Wimax/LTE: Basics • TD-LTE, Band 41 • EARFCN=40590 (freq=2590MHz) • 20 MHz • LTE deployed as 3 sectors using Reuse-1 (one frequency). • Each configured carrier is a Cell. • LTE initially deployed as S111.

3. Network Architecture • MME – Mobile Management Entity controls mobile signaling: network attach/authentication (to HSS), handovers, idle mode • SGW – Service Gateway provides the user plane data traffic. • HSS – Home Subscriber Server provides subscriber provisioning. • Important interfaces from the eNodeB: • S1-U : interface to the SGW • S1-MME : interface to the MME • X2 : interface to another eNodeB for mobility

4. Dual-mode Wimax/LTE: Shared BS • Wimax and LTE run on the same base station with addition of LTE cards. • Wimax and LTE share the same radio head (RRU). • Separate backhaul for Wimax & LTE. GigE for LTE and 100MB ETH for Wimax. Wimax Carriers on 1st fiber LTE Carriers on 2nd fiber LTE Cards: LBBP, LMPT

5. Dual-mode Wimax/LTE: Fiber Clearing and Configuration Scenarios • Due to the various Wimax configurations (S222, etc), different Wimax reconfigurations (Fiber Clearing) are required to support LTE S111. • Fiber Clearing should be completed prior to LTE commissioning.

6. Commissioning Data Preparation • Similar to Wimax, templates are used for commissioning – LTE Summary Data Files. • LTE Summary Data Files are Excel spreadsheets that only contain the specific eNodeB parameters for IP and RF planning. • Default or common parameters are already loaded into the EMS. Referenced by LTE Summary Data File. • No additional MML configuration required. • Request eNodeB license from Huawei.

7. Auto-Deployment Task • Create the task using the new CM Express EMS component. This is new for LTE. • Similar to Wimax WCS, you create a workspace and import the LTE Summary Data File. • CM Express provides automatic checks prior to deploying. • Specify the software version, but should default to the latest. • This will create an auto-deployment task in the eNodeB auto-deployment list.

8. OAM Link and Commissioning Task Execution • To start the commissioning task, enter the eNodeB ESN (from the field tech) and start the task. • The OAM link is established via DHCP like Wimax. • Monitor the progress of the task through each step (software download, configuration, etc).

9. Main Topology • eNodeBTopo Object is initially created in a default EASY_DEPLOYMENT subnet alongside Wimax BTS. • Can be moved to a new LTE subnet.

10. Distribute Commercial License • Distribute the eNodeB license that was provided by Huawei based on the eNodeB ESN.

11. Multi-modal BTS and eNodeB Mode • The BS must be configured in the EMS to show that it is multi-modal and supports both Wimax and LTE. This show the BS as a single node with Wimax and LTE in the topology. It also prevents duplicate alarms from Wimax and LTE. • eNodeB are initially deployed in a TEST mode. This must be changed to a NORMAL mode. This affects some alarms.

12. FIN • Questions?