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Introduction to Documents for Key Features of LTE FDD

2014-11-20 By Nina Wang

Security Level:

Summary

Solutions for Top-Class LTE Networks Quality FPD for Key Solutions

Page 2

Intelligent coordination

DL: aICIC, CSPC, eICIC, SFN, aSFN

UL: UL CoMP

Carrier aggregation

CA

Service optimization

VoLTE

eMBMS

Technical Guide for TOP Features

Bookshelf , Click!

Intelligent coordination

DL: aICIC, CSPC, eICIC

UL: UL CoMP

Carrier aggregation

DL 2CC CA

Service optimization

VoLTE Solution:

VoLTE、 CSFB、 SRVCC

Huawei provides the following solutions to support HD video and voice:

Solutions for Top-Class LTE Networks

1. Huawei Features for Intelligent Coordination

SFN aSFN

Interleaving resources aICIC eICIC CSPC

Eliminate cell edges UL CoMP

Joint reception

SFN

IP RANDistributed Macro

Cloud BBLocalized Macro

Indoor coveragee.g. LampSite HetNet

e.g. Micro

LTE faces increasingly severe inter-cell interference. Coordination is a mandatory solution to LTE interference.

Coordination

UL CoMP Feature Parameter Description

For details about UL CoMP, see:Adaptive ICIC Feature Parameter Description

For details about the three features, see:

TDM eICIC Feature Parameter Description

CSPC Feature Parameter Description

Single Frequency Network Feature Parameter Description

For details about the two features, see:

Feature Parameter Description (FPD) describes working principles of features, configurable parameters, and a complete procedure of feature activation.

UL CoMP Feature Parameter Description

Intra-eNodeB CoMP

(intra-site)

Inter-eNodeB CoMP

Intra-eNodeB CoMP

(inter-site)

UL CoMP Feature Parameter Description introduces uplink (UL) coordinated multi-point (CoMP) features, including their technical principles, related features, network impact, and engineering guidelines.

Multiple scenarios illustrated in FPD

Adaptive ICIC Feature Parameter DescriptionAdaptive ICIC Feature Parameter Description introduces the Adaptive Inter-Cell Interference Coordination feature, including its technical principles, related features, network impact, and engineering guidelines.

Reuse3 Reuse6

FPD tells how an eNodeB selects an ICIC working mode.

TDM eICIC Feature Parameter DescriptionTDM eICIC Feature Parameter Description introduces the Static TDM eICIC feature, including its technical principles, related features, network impact, and engineering guidelines. (TDM eICIC is short for time-domain enhanced inter-cell interference coordination.)

FPD illustrates the benefits of TDM eICIC.

With TDM eICIC

Without TDM eICIC

Without TDM eICIC

With TDM eICIC

CSPC Feature Parameter Description

UE1

Cloud BB

UE2Cell1 Cell2

TTI-level power control

RE-level coordination

CSPC Feature Parameter Description introduces the Coordinated Scheduling based Power Control (CSPC) feature, including its technical principles, related features, network impact, and engineering guidelines.

FPD tells how CSPC implements:

What's the network architecture for CSPC

(Cloud BB)?

Single Frequency Network Feature Parameter DescriptionSingle Frequency Network Feature Parameter Description introduces single frequency network (SFN) features, including their technical principles, related features, network impact, and engineering guidelines.

FPD describes the key configuration and provides the information to be collected for feature deployment.

FPD provides the performance counters to be collected before feature deployment. The counters assist network planning.

2. CA Technologies

F1

F2

F1

F2

F3

2CC CA Flexible 2CC CA

Inter-BBU CA

F2

F1 BBU

BBU

F1

F2

F3

3CC CA

Later versionseRAN7.0 CommercialeRAN7.0 Commercial

eRAN7.0 Commercial

CA Technologies

3GPP TR 36.913 of Release 10 introduced Carrier Aggregation (CA) to LTE-Advanced networks, allowing aggregation of contiguous or non-contiguous carriers. CA achieves wider bandwidths and higher spectral efficiency (especially in spectrum refarming scenarios).

For details about CA, see: Carrier Aggregation Feature Parameter Description

Inter-eNodeB CA based on Relaxed backhaul

F2

F1 eNodeB

eNodeB

Later versions

Carrier Aggregation Feature Parameter Description

RRU RRUCA data exchange

Flexible 2CC CA out of 3 bands

800M 1.8G 2.6G

800M 1.8G800M 2.6G

2.6G 1.8G

USU

Intra- & Inter-band CA

Inter-BBU CA

Carrier Aggregation Feature Parameter Description introduces carrier aggregation (CA), including its technical principles, related features, network impact, and engineering guidelines.

The engineering guidelines chapters describe how to deploy CA features.

Initial: Data Only Intermediate Solution: Voice CS Fallback

Target Solution:VoLTE over IMS + SRVCC

LTE access

LTE access 2G/3G access

EPC

CS Fallback

LTE access 2G/3G access

SRVCC

2G/3G PS core

2G/3G CS core

EPC

3.VoLTE SolutionHuawei LTE now provides two solutions to support voice services: CS fallback and VoLTE over IMS.• CS fallback is an intermediate solution, which can protect the investments in legacy CS networks.• VoLTE over IMS + SRVCC is the target solution when IMS is available and mature.

2G/3G CS core

2G/3G PS coreEPC

LTE PS data VoLTE2G/3G PS data CS voice

For details about VoLTE Solution, see:

CS Fallback Feature Parameter DescriptionVoLTE Feature Parameter Description

SRVCC Feature Parameter Description

VoLTE Feature Parameter Description

Intelligent VoLTE Solutions High Capacity

Coverage Enhancement

Semi-Persistent Scheduling

Power Control under Semi-Persistent Scheduling

ROHC

DL Non-GBR Packet Bundling

Less Power Consumption

DRX

VoLTE Feature Parameter Description introduces IMS-based VoLTE within a VoLTE-capable LTE network, including its technical principles, related features, network impact, and engineering guidelines.

ROHC

TTI Bundling

FPD introduces all the intelligent VoLTE solutions.

CS Fallback Feature Parameter DescriptionCS Fallback Feature Parameter Description introduces circuit switched fallback (CSFB), including its technical principles, related features, network impact, and engineering guidelines.

All the CSFB features can

be found in one FPD.

SRVCC Feature Parameter DescriptionSRVCC Feature Parameter Description introduces single radio voice call continuity (SRVCC), including its technical principles, related features, network impact, and engineering guidelines.

FPD illustrates the

switches involved in

the SRVCC selection

procedure.FPD shows the SRVCC and

eSRVCC network

architectures.

Already published:

UL CoMP

eMBMS

VoLTE

To be published soon:

CA

CSPC

SFN

Feature technology Guide help you quickly view the Feature.

Feature technology Guide for Common Used Features

What more?

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