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Commit 07f0876a authored by Florian Kaltenberger's avatar Florian Kaltenberger
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Merge remote-tracking branch 'origin/documentation-nr' into integration_develop-nr_2019w24

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**Table of Contents**
1. [OpenAirInterface eNB Feature Set](#openairinterface-enb-feature-set)
1. [eNB PHY Layer](#enb-phy-layer)
2. [eNB MAC Layer](#enb-mac-layer)
3. [eNB RLC Layer](#enb-rlc-layer)
4. [eNB PDCP Layer](#enb-pdcp-layer)
5. [eNB RRC Layer](#enb-rrc-layer)
6. [eNB X2AP](#enb-x2ap)
7. [eNB Advanced Features](#enb-advanced-features)
2. [OpenAirInterface UE Feature Set](#openairinterface-ue-feature-set)
1. [LTE UE PHY Layer](#lte-ue-phy-layer)
2. [LTE UE MAC Layer](#lte-ue-mac-layer)
3. [LTE UE RLC Layer](#lte-ue-rlc-layer)
4. [LTE UE PDCP Layer](#lte-ue-pdcp-layer)
5. [LTE UE RRC Layer](#lte-ue-rrc-layer)
3. [OpenAirInterface Functional Split](#openairinterface-functional-split)
4. [OpenAirInterface 5G-NR Feature Set](#openairinterface-5g-nr-feature-set)
1. [General Parameters](#general-parameters)
2. [gNB Features](#gnb-features)
1. [gNB Physical Layer](#gnb-phy-layer)
2. [gNB Higher Layers](#gnb-higher-layers)
3. [NR UE Features](#nr-ue-features)
1. [NR UE Physical Layer](#nr-ue-phy-layer)
2. [NR UE Higher Layers](#nr-ue-higher-layers)
# OpenAirInterface Block diagram #
![Block Diagram](./oai_enb_block_diagram.png)
# OpenAirInterface eNB Feature Set #
## eNB PHY Layer ##
The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provides the following features:
- LTE release 8.6 compliant, and implements a subset of release 10
- FDD and TDD configurations: 1 (experimental) and 3
- Bandwidth: 5, 10, and 20 MHz
- Transmission modes: 1, 2 (stable), 3, 4, 5, 6, 7 (experimental)
- Max number of antennas: 2
- CQI/PMI reporting: aperiodic, feedback mode 3 - 0 and 3 - 1
- PRACH preamble format 0
- All downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH
- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
- HARQ support (UL and DL)
- Highly optimized base band processing (including turbo decoder)
### Performances ###
**Transmission Mode, Bandwidth** | **Expected Throughput** | **Measured Throughput** | **Measurement Conditions**
-------------------------------- | ----------------------- | ------------------------| ----------------:
FDD DL: 5 MHz, 25 PRBS/ MCS 28 | 16 - 17 Mbit/s | TM1: 17.0 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD DL: 10 MHz, 50 PRBS/ MCS 28 | 34 - 35 Mbit/s | TM1: 32.8 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD DL: 20 MHz, 100 PRBS/ MCS 28 | 70 Mbit/s | TM1: 69.9 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
| | |
FDD UL: 5 MHz, 25 PRBS/ MCS 20 | 9 Mbit/s | TM1: 8.28 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD UL: 10 MHz, 50 PRBS/ MCS 20 | 17 Mbit/s | TM1: 15.2 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
FDD UL: 20 MHz, 100 PRBS/ MCS 20 | 35 Mbit/s | TM1: 18.6 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
| |
TDD DL: 5 MHz, 25 PRBS/ MCS **XX** | **TBC** Mbit/s | 3.33 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD DL: 10 MHz, 50 PRBS/ MCS **XX** | **TBC** Mbit/s | 8.90 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD DL: 20 MHz, 100 PRBS/ MCS **XX** | **TBC** Mbit/s | N/A | COTS-UE Cat 4 (150/50 Mbps)
| | |
TDD UL: 5 MHz, 25 PRBS/ MCS **XX** | **TBC** Mbit/s | 1.66 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD UL: 10 MHz, 50 PRBS/ MCS **XX** | **TBC** Mbit/s | 1.89 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
TDD UL: 20 MHz, 100 PRBS/ MCS **XX** | **TBC** Mbit/s | N/A | COTS-UE Cat 4 (150/50 Mbps)
- Number of supported UEs: **To Be Completed**
## eNB MAC Layer ##
The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
- RRC interface for CCCH, DCCH, and DTCH
- Proportional fair scheduler (round robin scheduler soon)
- DCI generation
- HARQ Support
- RA procedures and RNTI management
- RLC interface (AM, UM)
- UL power control
- Link adaptation
## eNB RLC Layer ##
The RLC layer implements a full specification of the 3GPP 36.322 release v9.3.
- RLC TM (mainly used for BCCH and CCCH)
* Neither segment nor concatenate RLC SDUs
* Do not include a RLC header in the RLC PDU
* Delivery of received RLC PDUs to upper layers
- RLC UM (mainly used for DTCH)
* Segment or concatenate RLC SDUs according to the TB size selected by MAC
* Include a RLC header in the RLC PDU
* Duplication detection
* PDU reordering and reassembly
- RLC AM, compatible with 9.3
* Segmentation, re-segmentation, concatenation, and reassembly
* Padding
* Data transfer to the user
* RLC PDU retransmission in support of error control and correction
* Generation of data/control PDUs
## eNB PDCP Layer ##
The current PDCP layer is header compliant with **3GPP 36.323** Rel 10.1.0 and implements the following functions:
- User and control data transfer
- Sequence number management
- RB association with PDCP entity
- PDCP entity association with one or two RLC entities
- Integrity check and encryption using the AES and Snow3G algorithms
## eNB RRC Layer ##
The RRC layer is based on **3GPP 36.331** v14.3.0 and implements the following functions:
- System Information broadcast (SIB 1, 2, 3, and 13)
* SIB1: Up to 6 PLMN IDs broadcast
- RRC connection establishment
- RRC connection reconfiguration (addition and removal of radio bearers, connection release)
- RRC connection release
- RRC connection re-establishment
- Inter-frequency measurement collection and reporting (experimental)
- eMBMS for multicast and broadcast (experimental)
- Handover (experimental)
- Paging (soon)
## eNB X2AP ##
The X2AP layer is based on **3GPP 36.423** v14.6.0 and implements the following functions:
- X2 Setup Request
- X2 Setup Response
## eNB Advanced Features ##
**To be completed**
# OpenAirInterface UE Feature Set #
## LTE UE PHY Layer ##
The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provides the following features:
- LTE release 8.6 compliant, and implements a subset of release 10
- FDD and TDD configurations: 1 (experimental) and 3
- Bandwidth: 5, 10, and 20 MHz
- Transmission modes: 1, 2 (stable)
- Max number of antennas: 2
- CQI/PMI reporting: aperiodic, feedback mode 3 - 0 and 3 - 1
- PRACH preamble format 0
- All downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH
- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
## LTE UE MAC Layer ##
The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
- RRC interface for CCCH, DCCH, and DTCH
- HARQ Support
- RA procedures and RNTI management
- RLC interface (AM, UM)
- UL power control
- Link adaptation
## LTE UE RLC Layer ##
The RLC layer implements a full specification of the 3GPP 36.322 release v9.3.
## LTE UE PDCP Layer ##
The current PDCP layer is header compliant with **3GPP 36.323** Rel 10.1.0.
## LTE UE RRC Layer ##
The RRC layer is based on **3GPP 36.331** v14.3.0 and implements the following functions:
- System Information decoding
- RRC connection establishment
# OpenAirInterface Functional Split #
- RCC: Radio-Cloud Center
- RAU: Radio-Access Unit
- RRU: Remote Radio-Unit
![Functional Split Architecture](./oai_enb_func_split_arch.png)
- IF4.5 / IF5 : similar to IEEE P1914.1
- FAPI (IF2) : specified by Small Cell Forum (open-nFAPI implementation)
- IF1 : F1 in 3GPP Release 15
# OpenAirInterface 5G-NR Feature Set #
## General Parameters ##
The following features are valid for the gNB and the 5G-NR UE.
* Static TDD,
* Normal CP
* 30 kHz subcarrier spacing
* Bandwidths up to 80MHz (217 Physical Resource Blocks)
* Single antenna port (single beam)
* Slot format: 14 OFDM symbols in UL or DL
## gNB Features ##
### gNB PHY Layer ###
* Generation of PSS/SSS/PBCH for a single beam
* Generation of PDCCH for SIB1 (as defined in the MIB)
- (including generation of DCI, polar encoding, scrambling, modulation, RB mapping, etc).
* Generation of PDSCH
- (including Segmentation, LDPC encoding, rate matching, scrambling, modulation, RB mapping, etc).
### gNB higher Layers ###
- NR RRC (38.331) Rel 15 messages using new asn1c
- LTE RRC (36.331) also updated to Rel 15
- Generation of MIB
- Application to read configuration file and program gNB RRC
- RRC -> MAC configuration
- MAC -> PHY configuration (using NR FAPI P5 interface)
- FAPI P7 interface for BCH PDU, DCI PDU, PDSCH PDU
For more details see [this document](https://gitlab.eurecom.fr/oai/openairinterface5g/uploads/ba5368448d627743a28c770c29e8978e/OAI_Software_Architecture_for_Dual_Connectivity_in_E-UTRA_and_5G-NR_and_nFAPI_for_MAC-PHY_Interface.docx)
## NR UE Features ##
### NR UE PHY Layer ###
- initial synchronization (single-beam only)
- PBCH RX
- PDCCH RX
- PDSCH RX
### NR UE higher Layers ###
For more details see [this document](https://gitlab.eurecom.fr/oai/openairinterface5g/uploads/f7386f3a64806fd6b2ac1fc3d0252fff/UE_FAPI-like_interface.docx)
targets/DOCS/api_icic.xml deleted 100644 → 0
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<ICIC_API>
<SRUCTURE>
<STRUCTNAME>SBMAP_CONF</STRUCTNAME>
<PATH>openair2/LAYER2/MAC/defs.h</PATH>
<FIELD>
<FIELDNAME>sbmap[13]</FIELDNAME>
<FIELDTYPE>unsigned char</FIELDTYPE>
<DESC>subband map indicates to scheduler allowed SB for eNB</DESC>
</FIELD>
<FIELD>
<FIELDNAME>periodicity</FIELDNAME>
<FIELDTYPE>unsigned char</FIELDTYPE>
<DESC>in millisecond indicate update instant</DESC>
</FIELD>
<FIELD>
<FIELDNAME>first_subframe</FIELDNAME>
<FIELDTYPE>unsigned char</FIELDTYPE>
<DESC>...</DESC>
</FIELD>
<FIELD>
<FIELDNAME>sb_size</FIELDNAME>
<FIELDTYPE>unsigned char</FIELDTYPE>
<DESC>number of PRB in this subband</DESC>
</FIELD>
<FIELD>
<FIELDNAME>nb_active_sb</FIELDNAME>
<FIELDTYPE>unsigned char</FIELDTYPE>
<DESC>indicates the number of set subbands</DESC>
</FIELD>
</SRUCTURE>
<SRUCTURE>
<STRUCTNAME>eNB_MAC_INST</STRUCTNAME>
<PATH>openair2/LAYER2/MAC/defs.h</PATH>
<FIELD>
...
</FIELD>
<FIELD>
<FIELDNAME>sbmap_conf</FIELDNAME>
<FIELDTYPE>SBMAP_CONF</FIELDTYPE>
<DESC>subband map configuration for each eNB</DESC>
</FIELD>
<INITPATH>openair2/LAYER2/MAC/main.c</INITPATH>
<INITFUNC>mac_top_init</INITFUNC>
</SRUCTURE>
<SRUCTURE>
<STRUCTNAME>MAC_xface</STRUCTNAME>
<PATH>openair2/PHY_INTERFACE/defs.h</PATH>
<FIELD>
...
</FIELD>
<FIELD>
<FIELDNAME>(*get_SB_size)(unsigned char)</FIELDNAME>
<FIELDTYPE>function pointer n</FIELDTYPE>
<DESC>return the number of PRB supported in a subband configuration</DESC>
</FIELD>
<INITPATH>openair2/LAYER2/MAC/main.c</INITPATH>
<INITFUNC>l2_init</INITFUNC>
</SRUCTURE>
<FUNCTION>
<FUNCNAME>Get_Cell_SBMap</FUNCNAME>
<PARAMS>unsigned char Mod_id</PARAMS>
<RETURN>void</RETURN>
<PROTOPATH>openair2/LAYER2/MAC/defs.h</PROTOPATH>
<IMPLPATH>openair2/LAYER2/MAC/eNB_scheduler.c</IMPLPATH>
<DESC>imlements ICIC algo</DESC>
</FUNCTION>
<FUNCTION>
<FUNCNAME>Get_SB_size</FUNCNAME>
<PARAMS>unsigned char n_rb_dl</PARAMS>
<RETURN>unsigned char </RETURN>
<PROTOPATH>openair1/PHY/LTE_TRANSPORT/proto.h</PROTOPATH>
<IMPLPATH>openair1/PHY/LTE_TRANSPORT/lte_mcs.c</IMPLPATH>
<DESC>return the number of PRB supported in a subband configuration.</DESC>
</FUNCTION>
</ICIC_API>
\ No newline at end of file
targets/DOCS/openair_header.tex deleted 100755 → 0
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\documentclass[a4paper]{book}
\usepackage{a4wide}
\usepackage{makeidx}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{multicol}
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\usepackage{doxygen}
\usepackage{times}
\makeindex
\setcounter{tocdepth}{1}
\renewcommand{\footrulewidth}{0.4pt}
\begin{document}
\begin{titlepage}
\vspace*{7cm}
\begin{center}
{\Large openair Specifications }\\
Phyiscal, Medium-Access, Radio-link Control, Packet Data Convergence Protocol and Radio Resource Control Layers\\
\vspace*{1cm}
{\large Generated by Doxygen 1.3.8}\\
\vspace*{0.5cm}
{\small Sun Oct 31 19:27:37 2004}\\
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\end{titlepage}
\clearemptydoublepage
\pagenumbering{roman}
\tableofcontents
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\pagenumbering{arabic}
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