
Integrated Access and Backhaul (IAB) is a
successor to LTE Relay and is part of release 16
within technical specification TS 38.401.
KEY SPECIFICATIONS
3GPP NR Release | R 16 |
---|---|
Duplexing | TDD |
Frequency Bands | mmWave [FR2] |
Bandwidth | 200 MHz |
SCS | 120 KHz |
Modulation Scheme | Up to 64-QAM for UL/DL |
Throughput (DL) | 1.4 Gbps |
Throughput (UL) | 500 Mbps |
Sub Layers | MAC, RRC, NAS, BAP, PDCP-C, RLC |
Single Relay Mode | Yes, Supported |
Multi HOP Relay Mode | Yes, in roadmap |
10 GbE Interface | Supported with IAB-DU (<GHz BTS) |
UICC Terminal Interface | Yes, Supported |
OAM Support | Yes |
What is IAB – MT ?
Integrated Access Backhaul allows for single or multi-hop backhauling using the same frequencies employed for user equipment (UE) access or a distinct, dedicated, frequency.
IAB leverages the spectral efficiencies of new radio and the increased capacity afforded by the higher bands available in 5G to deliver an alternative to optical cell site backhaul. This alleviates one of the primary issues surrounding the deployment of 5G that can be employed as a short-term alternative to fiber or as a permanent option for more isolated antennas or those without right of way access.
Any future migration is aided by IAB’s adoption of the Internet Protocol (IP) over a new Backhaul Adaption Protocol (BAP) layer defined within 3GPP TS 38.340.
What is IAB – MT ?
Key Specifications
What is IAB – MT ?
Integrated Access Backhaul allows for single or multi-hop backhauling using the same frequencies employed for user equipment (UE) access or a distinct, dedicated, frequency.
IAB leverages the spectral efficiencies of new radio and the increased capacity afforded by the higher bands available in 5G to deliver an alternative to optical cell site backhaul. This alleviates one of the primary issues surrounding the deployment of 5G that can be employed as a short-term alternative to fiber or as a permanent option for more isolated antennas or those without right of way access.
Any future migration is aided by IAB’s adoption of the Internet Protocol (IP) over a new Backhaul Adaption Protocol (BAP) layer defined within 3GPP TS 38.340.
Key Specifications
3GPP NR Release | R 16 |
Duplexing | TDD |
Frequency Bands | mmWave [FR2] |
Bandwidth | 200 MHz |
SCS | 120 KHz |
Modulation Scheme | Up to 64-QAM for UL/DL |
Throughput (DL) | 1.4 Gbps |
Throughput (UL) | 500 Mbps |
Sub Layers | MAC, RRC, NAS, BAP, PDCP-C, RLC |
Single Relay Mode | Yes, Supported |
Multi HOP Relay Mode | Yes, in roadmap |
10 GbE Interface | Supported with IAB-DU (<GHz BTS) |
UICC Terminal Interface | Yes, Supported |
OAM Support | Yes |
Technical Specs 1
Technical Specs 2
Technical Specs 3
Technical Specs 4
Technical Specs 1
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Technical Specs 2
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Technical Specs 3
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Technical Specs 4
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