172 lines
6.5 KiB
Markdown
172 lines
6.5 KiB
Markdown
**Table of Contents**
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1. [OpenAirInterface eNB Feature Set](#openairinterface-enb-feature-set)
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1. [eNB PHY Layer](#enb-phy-layer)
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2. [eNB MAC Layer](#enb-mac-layer)
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3. [eNB RLC Layer](#enb-rlc-layer)
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4. [eNB PDCP Layer](#enb-pdcp-layer)
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5. [eNB RRC Layer](#enb-rrc-layer)
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6. [eNB X2AP](#enb-x2ap)
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7. [eNB Advanced Features](#enb-advanced-features)
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2. [OpenAirInterface UE Feature Set](#openairinterface-ue-feature-set)
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1. [LTE UE PHY Layer](#lte-ue-phy-layer)
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2. [LTE UE MAC Layer](#lte-ue-mac-layer)
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3. [LTE UE RLC Layer](#lte-ue-rlc-layer)
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4. [LTE UE PDCP Layer](#lte-ue-pdcp-layer)
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5. [LTE UE RRC Layer](#lte-ue-rrc-layer)
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# OpenAirInterface Block diagram #
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# OpenAirInterface eNB Feature Set #
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## eNB PHY Layer ##
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The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provides the following features:
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- LTE release 8.6 compliant, and implements a subset of release 10
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- FDD and TDD configurations: 1 (experimental) and 3
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- Bandwidth: 5, 10, and 20 MHz
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- Transmission modes: 1, 2 (stable), 3, 4, 5, 6, 7 (experimental)
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- Max number of antennas: 2
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- CQI/PMI reporting: aperiodic, feedback mode 3 - 0 and 3 - 1
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- PRACH preamble format 0
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- All downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH
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- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
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- HARQ support (UL and DL)
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- Highly optimized base band processing (including turbo decoder)
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### Performances ###
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**Transmission Mode, Bandwidth** | **Expected Throughput** | **Measured Throughput** | **Measurement Conditions**
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-------------------------------- | ----------------------- | ------------------------| ----------------:
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FDD DL: 5 MHz, 25 PRBS/ MCS 28 | 16 - 17 Mbit/s | TM1: 17.0 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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FDD DL: 10 MHz, 50 PRBS/ MCS 28 | 34 - 35 Mbit/s | TM1: 32.8 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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FDD DL: 20 MHz, 100 PRBS/ MCS 28 | 70 Mbit/s | TM1: 69.9 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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FDD UL: 5 MHz, 25 PRBS/ MCS 20 | 9 Mbit/s | TM1: 8.28 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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FDD UL: 10 MHz, 50 PRBS/ MCS 20 | 17 Mbit/s | TM1: 15.2 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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FDD UL: 20 MHz, 100 PRBS/ MCS 20 | 35 Mbit/s | TM1: 18.6 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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TDD DL: 5 MHz, 25 PRBS/ MCS **XX** | **TBC** Mbit/s | 3.33 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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TDD DL: 10 MHz, 50 PRBS/ MCS **XX** | **TBC** Mbit/s | 8.90 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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TDD DL: 20 MHz, 100 PRBS/ MCS **XX** | **TBC** Mbit/s | N/A | COTS-UE Cat 4 (150/50 Mbps)
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TDD UL: 5 MHz, 25 PRBS/ MCS **XX** | **TBC** Mbit/s | 1.66 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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TDD UL: 10 MHz, 50 PRBS/ MCS **XX** | **TBC** Mbit/s | 1.89 Mbits/s | COTS-UE Cat 4 (150/50 Mbps)
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TDD UL: 20 MHz, 100 PRBS/ MCS **XX** | **TBC** Mbit/s | N/A | COTS-UE Cat 4 (150/50 Mbps)
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- Number of supported UEs: **To Be Completed**
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## eNB MAC Layer ##
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The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
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- RRC interface for CCCH, DCCH, and DTCH
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- Proportional fair scheduler (round robin scheduler soon)
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- DCI generation
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- HARQ Support
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- RA procedures and RNTI management
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- RLC interface (AM, UM)
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- UL power control
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- Link adaptation
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## eNB RLC Layer ##
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The RLC layer implements a full specification of the 3GPP 36.322 release v9.3.
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- RLC TM (mainly used for BCCH and CCCH)
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* Neither segment nor concatenate RLC SDUs
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* Do not include a RLC header in the RLC PDU
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* Delivery of received RLC PDUs to upper layers
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- RLC UM (mainly used for DTCH)
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* Segment or concatenate RLC SDUs according to the TB size selected by MAC
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* Include a RLC header in the RLC PDU
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* Duplication detection
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* PDU reordering and reassembly
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- RLC AM, compatible with 9.3
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* Segmentation, re-segmentation, concatenation, and reassembly
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* Padding
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* Data transfer to the user
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* RLC PDU retransmission in support of error control and correction
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* Generation of data/control PDUs
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## eNB PDCP Layer ##
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The current PDCP layer is header compliant with **3GPP 36.323** Rel 10.1.0 and implements the following functions:
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- User and control data transfer
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- Sequence number management
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- RB association with PDCP entity
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- PDCP entity association with one or two RLC entities
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- Integrity check and encryption using the AES and Snow3G algorithms
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## eNB RRC Layer ##
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The RRC layer is based on **3GPP 36.331** v14.3.0 and implements the following functions:
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- System Information broadcast (SIB 1, 2, 3, and 13)
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* SIB1: Up to 6 PLMN IDs broadcast
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- RRC connection establishment
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- RRC connection reconfiguration (addition and removal of radio bearers, connection release)
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- RRC connection release
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- RRC connection re-establishment
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- Inter-frequency measurement collection and reporting (experimental)
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- eMBMS for multicast and broadcast (experimental)
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- Handover (experimental)
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- Paging (soon)
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## eNB X2AP ##
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The X2AP layer is based on **3GPP 36.423** v14.6.0 and implements the following functions:
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- X2 Setup Request
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- X2 Setup Response
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## eNB Advanced Features ##
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**To be completed**
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# OpenAirInterface UE Feature Set #
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## LTE UE PHY Layer ##
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The Physical layer implements **3GPP 36.211**, **36.212**, **36.213** and provides the following features:
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- LTE release 8.6 compliant, and implements a subset of release 10
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- FDD and TDD configurations: 1 (experimental) and 3
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- Bandwidth: 5, 10, and 20 MHz
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- Transmission modes: 1, 2 (stable)
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- Max number of antennas: 2
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- CQI/PMI reporting: aperiodic, feedback mode 3 - 0 and 3 - 1
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- PRACH preamble format 0
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- All downlink (DL) channels are supported: PSS, SSS, PBCH, PCFICH, PHICH, PDCCH, PDSCH, PMCH
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- All uplink (UL) channels are supported: PRACH, PUSCH, PUCCH (format 1/1a/1b), SRS, DRS
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## LTE UE MAC Layer ##
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The MAC layer implements a subset of the **3GPP 36.321** release v8.6 in support of BCH, DLSCH, RACH, and ULSCH channels.
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- RRC interface for CCCH, DCCH, and DTCH
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- HARQ Support
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- RA procedures and RNTI management
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- RLC interface (AM, UM)
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- UL power control
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- Link adaptation
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## LTE UE RLC Layer ##
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The RLC layer implements a full specification of the 3GPP 36.322 release v9.3.
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## LTE UE PDCP Layer ##
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The current PDCP layer is header compliant with **3GPP 36.323** Rel 10.1.0.
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## LTE UE RRC Layer ##
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The RRC layer is based on **3GPP 36.331** v14.3.0 and implements the following functions:
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- System Information decoding
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- RRC connection establishment
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