LTE-Advanced Requirements

Below are the requirements for LTE-Advanced which were part of the 3GPP RAN Chairmans’ presentation to the ITU-R WP 5D Third Workshop on IMT-Advanced.

General Requirements

LTE-Advanced is an evolution of LTE
LTE-Advanced shall meet or exceed IMT-Advanced requirements within the ITU-R time plan
Extended LTE-Advanced targets are adoptedSystem

System Performance Requirements

Peak data rate
- 1 Gbpsdata rate will be achieved by 4-by-4 MIMO and transmission bandwidth wider than approximately 70 MHz
Peak spectrum efficiency
- DL: Rel. 8 LTE satisfies IMT-Advanced requirement
- UL: Need to double from Release 8 to satisfy IMT-Advanced requirement
Capacity and cell-edge user throughput
- Target for LTE-Advanced was set considering gain of 1.4 to 1.6 from Release 8 LTE performance

Other Important Requirements

Spectrum flexibility

- Actual available spectra are different according to each region or country

- In 3GPP, various deployment scenarios for spectrum allocation are being taken into consideration in feasibility study

- Support for flexible deployment scenarios including downlink/uplink asymmetric bandwidth allocation for FDD and non‐contiguous spectrum allocationTotal

LTE-Advanced will be deployed as an evolution of LTE Release 8 and on new bands.

LTE-Advanced shall be backwards compatible with LTE Release 8 in the sense that

- a LTE Release 8 terminal can work in an LTE-Advanced NW,
- an LTE-Advanced terminal can work in an LTE Release 8 NW

Increased deployment of indoor eNBand HNB in LTE-Advanced.