O-RAN Intel® FPGA IP User Guide

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ID 683238
Date 8/15/2023
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Document Table of Contents
Document Table of Contents x
1. About the O-RAN Intel® FPGA IP 2. Getting Started with the O-RAN Intel® FPGA IP 3. O-RAN IP Functional Description 4. O-RAN IP Registers 5. O-RAN Intel FPGA IP User Guide Archive 6. Document Revision History for the O-RAN Intel® FPGA IP User Guide
1. About the O-RAN Intel® FPGA IP x
1.1. O-RAN Intel® FPGA IP Features 1.2. O-RAN Intel® FPGA IP Device Family Support 1.3. Release Information for the O-RAN Intel® FPGA IP 1.4. O-RAN Intel® FPGA IP Performance and Resource Utilization
2. Getting Started with the O-RAN Intel® FPGA IP x
2.1. Obtaining, Installing, and Licensing the O-RAN IP 2.2. Parameterizing the O-RAN IP 2.3. Generated IP File Structure
2.2. Parameterizing the O-RAN IP x
2.2.1. O-RAN IP Parameters
3. O-RAN IP Functional Description x
3.1. O-RAN IP Signals 3.2. O-RAN Intel® FPGA IP Error Handling 3.3. O-RAN Reset Transactions 3.4. O-RAN IP Streaming Mode 3.5. O-RAN IP Performance Counters 3.6. O-RAN IP Transmission and Reception Window Threshold 3.7. O-RAN IP Fragmentation
3.6. O-RAN IP Transmission and Reception Window Threshold x
3.6.1. O-RAN IP Examples for Transmission and Reception Window Thresholds
1. About the O-RAN Intel® FPGA IP
2. Getting Started with the O-RAN Intel® FPGA IP
3. O-RAN IP Functional Description
4. O-RAN IP Registers
5. O-RAN Intel FPGA IP User Guide Archive
6. Document Revision History for the O-RAN Intel® FPGA IP User Guide

3.4. O-RAN IP Streaming Mode

Enable by specifying Maximum Ethernet frame size to 9000.

In streaming mode, provide the packet size for C-plane packets that includes sections or section extension headers and their content. Similarly, provide the packet size for U-plane packets. If you turn on Block Floating-point Compression, the packet size is based on the compressed IQ output data.

The O-RAN IP passes the packet size input to the eCPRI IP for appending into the eCPRI header of the final O-RAN packet.

Figure 18. C-plane packet waveformThe C-plane packet contains 10 sections and 20 section extensions. Therefore, the tx_c_size is 168 (8B common header, 10 sections – 80B, 20 section extensions - 80B).
Figure 19. U-plane packet waveform

The U-plane packet contains two PRBs within single section and therefore the tx_u_size is 104 (2 PRB – 96B, 4B common header, 4B section header without udCompHdr and reserved bytes).

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