User's Manual

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Chapter 2 LTE eNB Overview

LTE eNB System Description v2.0 24

Specifications

Key Specifications

The key specifications of eNB are as follows:

Table 1. Key Specifications

Category

Specification

Technology

3GPP Rel. 13

Duplex type

FDD

Operating Frequency

 DL: 746 to 756 MHz

 UL: 777 to 787 MHz

Channel Bandwidth

10 MHz 4Tx/4Rx, 2Tx/4Rx or 2Tx/2Rx per RRH

CDU-RRH Interface

Max. 36 Optic CPRI

Capacity

Max. 12 cells @ 10/20MHz 4Tx/4Rx, 2Tx/4Rx or

2Tx/2Rx

Max. 18,000 RRC connected UEs

Max. 54,000 bearers

*) Per cell

o Max. 600 RRC connected UEs

o Max. 1,800 bearers

Backhaul Links

 100/1000 Base-T Copper (RJ-45) 1 Port

 1000 Base-X SFP 1 Port

 1000 Base-X/10 GBase-SR/LR SFP+ 1 Port

Input Power

-48 V DC

Clock sync

IEEE1588v2, GNSS

Input Power

The following table shows the power specifications for LTE eNB. The LTE eNB

complies with UL60950 safety standard for electrical equipment. If the operator

needs AC power for the system input voltage, it can be supplied using an

additional external rectifier (installed by the provider).

Table 2. Input Power