Complete 5G Low-PHY FPGA Integration

@ahmedmohamed85

Dear Sir I have more than 12 years of experience in digital design using FPGA and I have phd degree in communications and electronics, I have implemented several OFDM systems on FPGA and I have publications in this field

@MuhammadUzair16

Hi, I am an embedded systems engineer with over 16 years of experience in FPGA/SoC architecture, real-time DSP, high-speed data paths, fixed-point design, and hardware bring-up. I can support the complete 5G NR Low-PHY development on AMD Xilinx Versal, covering the path from O-RAN 7.2x/eCPRI and IQ compression through FFT/IFFT, MIMO/beamforming, DUC/DDC, filtering, CFR/DPD, calibration, and ADC/DAC integration. I would begin by defining the bandwidth, numerology, carrier, latency, clocking, and interface requirements, then partition the design into modular RTL/HLS/IP blocks with clear verification points. My work can include simulation, timing and resource optimization, integration, on-board debugging, and performance characterization, with attention to a reusable foundation for future RU and DAS products. Given the breadth of the platform, my bid covers an initial 14-day architecture and integration milestone; the complete hardware-validated system should be organized into additional milestones after the exact RF hardware, Versal device, sample rates, and existing IP are reviewed. I am flexible on the milestone structure. Please contact me to discuss details.

@ducdctoandh

Hi, Straight on fit: I'm a strong match for the FPGA implementation side of this (architecture, datapaths, fixed-point DSP, timing closure, verification), not a 5G NR / O-RAN protocol specialist. Relevant hands-on work: Timing closure on Versal, Virtex UltraScale+ and Zynq UltraScale+, including 900 MHz on a VU35P; pipelined datapaths and CDC. Fixed-point FFT/IFFT, NCO/mixer and filter pipelines, checked bit-exactly against Matlab/C/Python models; some OFDM waveform work (not 5G NR specifically). 100G Ethernet MAC/PCS, packet parsers and TCP/IP engines at 644 MHz in production, the closest thing I've built to an eCPRI packet path. SystemVerilog verification, then ILA-based hardware bring-up. Not done: a full O-RAN 7.2x/eCPRI stack, 5G NR Low-PHY, DPD/CFR/beamforming, JESD204. Suggested start: a short first phase with the architecture and resource/latency budget on a candidate Versal device, plus one reference block (FFT/IFFT with CP handling and block-floating-point IQ compression), closed on timing and verified bit-exactly against your model. Do you have a 5G NR reference model, target bandwidths/numerologies, and a candidate Versal device? Are the converter links JESD204? Duong Cong Duc

@hayat38402

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas:  Antenna Design (CST, HFSS)  Embedded C Programming.  VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI  MATLAB/SIMULINK  Network Simulator NS2/NS3  Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32.  IDEs like Keil MDK V5, ATmel studio and MPLab XC8.  PLCs / SCADA  PCB Designing Proteus, Eagle, KiCAD and Altium  IOT Technologies like Ethernet, GSM GPRS.  HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.

@alluankit01

Hi, I can support the architecture and implementation of your 5G NR Low-PHY FPGA platform, including O-RAN 7.2x fronthaul integration, real-time DSP chains, MIMO/beamforming, DFE processing, fixed-point optimisation, and hardware validation on AMD Xilinx Versal. The best approach is to first freeze the system-level requirements—bandwidths, numerologies, carrier count, antenna configuration, fronthaul line rate, ADC/DAC interfaces, latency targets, and selected Versal device—then define the complete streaming architecture and processing budget before committing RTL/IP resources. I can cover: - O-RAN 7.2x / eCPRI datapath integration - IQ compression/decompression - FFT/IFFT and CP processing - Resource/antenna mapping - 2×2 / 4×4 MIMO and precoding - DUC/DDC and channelisation - Interpolation/decimation and filtering - CFR/DPD and calibration interfaces - AXI/clock-domain/dataflow architecture - Fixed-point and resource optimisation - Timing/throughput/latency closure - RTL/HLS/IP integration - Simulation and hardware validation Please share the target bandwidth/numerologies, expected RU interface rates, selected ADC/DAC/RF hardware, existing IP blocks, and current development status so I can define a realistic milestone plan. Best regards Ankit

@mcollinscalz

Hello, Developing an enterprise-grade 5G NR Low-PHY and DFE architecture requires deep expertise in AMD Versal adaptive SoC acceleration, eCPRI packet processing, and high-throughput fixed-point DSP. As an Electronics & FPGA Systems Engineer, I can build and validate your complete 7.2x Split Option 7.2x O-RAN platform. Engineering Approach & Technical Workflow: Fronthaul & Low-PHY: Implement eCPRI/O-RAN C/U-plane framing, BFP IQ compression/decompression, and dynamic PRB mapping using Versal AI Engine / DSP58 blocks for FFT/IFFT, CP insertion, and 2×2 / 4×4 MIMO beamforming. DFE & RF Front-End: Integrate Digital Up/Down Conversion (DUC/DDC), multi-carrier channelization, Crest Factor Reduction (CFR), and Digital Predistortion (DPD) with RFSoC high-speed JESD204C / direct RF sampling ADC/DAC interfaces. Timing & Closure: Establish IEEE 1588 / PTP sync, strict latency-critical clock-domain crossing (CDC), and complete timing closure in Vivado at target system clock rates. Deliverables: Modular RTL (SystemVerilog/VHDL/HLS) source code and Vivado/IP blocks Comprehensive C/U/S/M-plane testbenches and simulation models Fixed-point precision analysis, latency reports, and hardware validation scripts Register map, interface documentation, and production build scripts I am ready to review your exact Versal target device and subcarrier spacing requirements to begin! Best regards,

@intelliresponse

Hi, I can help develop the complete FPGA-based 5G NR Low-PHY platform for your O-RAN 7.2x architecture. I can work across the full chain, including eCPRI/O-RAN fronthaul, IQ compression, FFT/IFFT, MIMO, beamforming, DUC/DDC, filtering, CFR/DPD, synchronization, calibration, and ADC/DAC integration. I can also handle RTL/HLS development, integration, fixed-point optimization, timing closure, simulation, hardware testing, and performance validation on AMD Xilinx Versal. I’d be happy to discuss the target bandwidth, numerologies, interfaces, and Versal device so we can define the implementation plan. Best regards

@Mostafaihab1

Hi, I would love to help you develop this 5G NR Low-PHY FPGA platform. My experience in SystemVerilog RTL design, DSP implementation, FPGA integration, and fixed-point optimization aligns well with the signal-processing and datapath challenges of this project. I have worked with AMD Xilinx Artix-7 and UltraScale platforms, implementing and debugging DSP-based systems using Vivado and QuestaSim. I can contribute to the design and integration of FFT/IFFT, cyclic prefix processing, digital filtering, interpolation/decimation, data-path control, and other DSP blocks, with a focus on modular architecture, efficient resource utilization, throughput, latency, and timing closure. I am also familiar with the RTL-to-implementation flow, simulation, and hardware debugging. My approach is to build a configurable and well-verified platform, integrating individual blocks into a complete processing chain while keeping performance, scalability, and future expansion in mind. I would be happy to discuss your priorities and define a practical implementation plan for the target FPGA platform.

@rfandelectronics

With a focus on RF systems and microwave engineering, my team and I have the comprehensive skills needed for your ambitious 5G NR Low-PHY platform project. We're well-versed in FPGA architecture, RTL/HLS/IP implementation, clock-domain design, and many other key aspects outlined in your project description. Our ability to handle all the necessary tasks from start to finish ensures a seamless integration process for your real-time digital signal-processing chain — something that can be challenging when dealing with isolated FPGA blocks. Moreover, our extensive knowledge in RF & Microwave Circuit Design is perfectly aligned with the requirements of the O-RAN 7.2x/eCPRI fronthaul processing and IQ compression/decompression parts of your project. Our experience in high-frequency PCB design would be an asset when dealing with RF/DAS hardware integration. Furthermore, given our passion for pushing the boundaries of what's possible, we thrive on developing modular and flexible systems that can be easily adaptable for future technologies. This aligns well with your final objective – a hardware-validated FPGA platform that serves as a foundation for future 5G RU and DAS development! Working with us guarantees not only a technically outstanding end product but also a worthwhile partnership.

@sufyanasmat38

Hi, I understand the project, and we can approach this as an end-to-end O-RAN 7.2x Low-PHY architecture rather than a collection of isolated FPGA blocks. We can work across eCPRI fronthaul, IQ compression, FFT and IFFT, resource and antenna mapping, MIMO, beamforming, DUC and DDC, channelization, filtering, CFR, DPD, calibration, synchronization, and high-speed ADC and DAC interfaces, with careful attention to fixed-point design, data paths, clock domains, latency, throughput, resource utilization, and timing closure. We can structure the implementation around AMD Xilinx Versal with configurable bandwidths, numerologies, carriers, and 2x2 or 4x4 operation, followed by simulation and hardware validation. Relevant FPGA, RTL, DSP, embedded, and high-speed hardware work is available in our portfolio. 1. Which Versal device and RF or ADC-DAC hardware are currently targeted, or should we determine them from the required bandwidth and interfaces? 2. Do you already have an O-RAN 7.2x fronthaul specification and eCPRI timing requirements that the implementation must follow? 3. Is the first milestone expected to demonstrate the complete fronthaul-to-RF chain on hardware, or should we validate the Low-PHY pipeline incrementally?

@Aaleen110

The brief forces a choice between custom RTL and HLS for the DSP blocks, and I would go with custom RTL for the core signal processing chain, because it delivers maximum performance and control for real-time requirements, which is what you are trying to do. I would start by mapping the eCPRI protocol onto an FPGA, then build out the channelization and digital filtering stages using Verilog. The FFT/IFFT and cyclic-prefix processing would also be in Verilog, leveraging optimized IP cores where appropriate. For the MIMO processing, precoding, and digital beamforming, I would implement these using a combination of RTL and possibly some optimized HLS for complex matrix operations if a clear performance bottleneck is identified there. The DUC/DDC, interpolation/decimation, and CFR/DPD stages will also be custom RTL. I would use an Arduino for initial testing of interface logic and basic signal generation before integrating into the FPGA. Instead of implementing the gain and phase correction as a separate processing block, I would integrate it directly into the DUC/DDC paths where it has the most impact on the signal quality you are aiming for. What specific constraints are in place for the FPGA clock speeds? Preferred Freelancer here, 5.0 over 10 reviews, no missed deadline and nothing over an agreed price yet. I need the detailed specifications for the ADC/DAC interfaces.

@TidewaterDev

Hello, Adam from New Jersey here. You are building a complete, configurable O-RAN 7.2x Low-PHY on AMD Versal, from eCPRI fronthaul through FFT, MIMO, beamforming and DFE to the ADC/DAC interfaces, validated on real hardware. The biggest risk is integration, not any single block: fixed-point formats, clock domains and latency budgets must be set end to end first, or timing closure and debug turn into rework. On large systems I start from a golden reference model and verify every stage against it, so faults are isolated to one block instead of hunted across the whole chain. This is my plan to complete your project. 1. Define architecture, Versal sizing, clock domains, fixed-point formats and latency budget, with a bit-true Python model. 2. Build the fronthaul path: eCPRI, block floating-point IQ decompression, FFT/IFFT, CP, resource and antenna mapping. 3. Add MIMO precoding, beamforming, DUC/DDC, filtering, CFR, DPD and calibration, using AI Engines for heavy DSP. 4. Integrate with ADC/DAC and timing sync, close timing, validate on hardware and report throughput, latency and EVM. Happy to discuss details and suggest the best technical approach. Thanks, Adam.

@hassanmustafa01

Hello!⚡ Thank you for posting your Complete 5G Low-PHY FPGA Integration project. A modular O-RAN 7.2x Low-PHY/DFE chain on AMD Versal is exactly the kind of FPGA work I do. I recently integrated an eCPRI fronthaul, BFP IQ decompression and FFT/CP chain on a Xilinx RFSoC with 4×4 antenna mapping. How I'd approach yours: 1. Architecture: Versal device sizing, clock domains, AXI-Stream data paths and latency budget 2. Fronthaul: O-RAN 7.2x eCPRI, BFP IQ compression, timing and PTP sync interface 3. Low-PHY: FFT/IFFT, CP add/remove, resource and antenna mapping, precoding and beamforming 4. DFE: DUC/DDC, channelization, FIR filters, CFR, DPD, gain/phase calibration, multi-carrier 5. Fixed-point MATLAB/Python models, RTL/HLS with Vivado IP, simulation and timing closure 6. Hardware validation with ADC/DAC, ILA debugging, EVM/ACLR results and modular documentation I'll give you a solid digital foundation for your RU and DAS products and make this a success with you. Thanks. Hassan

@mohamedaminea1

Hello, I can develop the FPGA-based 5G NR Low-PHY platform, including O-RAN 7.2x/eCPRI, FFT/IFFT, MIMO, beamforming, DUC/DDC, filtering, CFR/DPD, synchronization, and ADC/DAC interfaces. I can handle the RTL/HLS development, integration, fixed-point optimization, timing closure, simulation, hardware testing, and performance validation on AMD Xilinx Versal. Please share the target Versal device and available hardware so I can review the requirements. Best regards, Mohamed

@hakan1022

Hi, there I recently worked on an FPGA-based digital signal-processing platform integrating RTL DSP blocks, high-speed data paths, fixed-point arithmetic, clock-domain handling and hardware validation into one real-time processing chain. The main challenge was achieving timing closure and deterministic latency while connecting multiple DSP stages with different clock domains and throughput requirements. I solved this through pipelined RTL, fixed-point optimization, disciplined CDC handling, resource analysis and simulation-driven integration before hardware validation. I am planning to architect the Versal Low-PHY chain around eCPRI/O-RAN fronthaul, IQ compression, FFT/IFFT, CP processing, MIMO/precoding, DUC/DDC and configurable filtering, with timing and throughput treated as system-level constraints. I offer to integrate and validate the complete datapath, then optimize utilization, latency and timing closure across supported numerologies and carrier configurations. Please share the target Versal device, fronthaul interface requirements and current RTL/IP so I can identify the integration boundaries and validation plan. If I use my previous experience, your project will likely be completed successfully. Please share the current RTL/IP to get started. Thank you

@ashiqiitkgp

Dear Client, I am an AI & Software Engineer from IIT with strong experience in intelligent systems, signal/data processing, optimization, C/C++, embedded computing, edge systems, and research-oriented engineering. I have reviewed your requirement for a complete 5G NR Low-PHY platform for O-RAN 7.2x, including eCPRI fronthaul, FFT/IFFT, IQ processing, MIMO, beamforming, DUC/DDC, filtering, CFR/DPD, synchronization, and ADC/DAC integration. I can contribute to the system architecture, algorithmic/DSP design, fixed-point optimization, processing-pipeline integration, performance analysis, validation methodology, and software/FPGA co-design. My proposed workflow includes: • Low-PHY/DFE architecture decomposition • DSP and MIMO processing-chain design • Fixed-point and latency/throughput optimization • Module-level and end-to-end verification • Resource/performance profiling • Integration strategy for O-RAN fronthaul and RF interfaces • Hardware-validation and test framework For AMD Xilinx Versal, I can work with a modular design approach using RTL/HLS/IP blocks and clearly defined interfaces between processing stages. Please share the selected Versal device, target bandwidth/numerology, sample rate, and existing IP/RTL modules. Regards,

@isame2

Hi, I can support development of a complete FPGA-based 5G NR Low-PHY/O-RAN 7.2x platform, focusing on full-chain integration rather than isolated RTL blocks. My experience includes FPGA/RTL development, high-speed DSP pipelines, fixed-point optimization, AXI-based architectures, clock-domain crossing, timing closure, simulation, hardware bring-up, and performance optimization. I can work with AMD Xilinx Versal and help define the device based on bandwidth, I/O, DSP, memory, and resource requirements. I can contribute across: • O-RAN 7.2x/eCPRI fronthaul and IQ compression • FFT/IFFT, CP, resource/antenna mapping • 2×2/4×4 MIMO, precoding and beamforming • DUC/DDC, channelization, filtering, interpolation/decimation • CFR, DPD, calibration and gain/phase correction • Timing/synchronization and ADC/DAC interfaces • RTL/HLS/IP integration, fixed-point optimization and timing closure • Simulation, FPGA validation, debugging and performance characterization I can help build a modular, configurable architecture supporting multiple numerologies/carriers and future RU/DAS expansion. Best regards,

@Zawiya3

I am writing to express my strong interest in collaborating with you on [Project Name or Core Objective]. With a solid background in delivering targeted solutions, clear project execution, and high-impact outputs, I bring both technical precision and a structured approach to ensuring your objectives are met efficiently. My focus is always on understanding the core business or operational need first, allowing me to tailor deliverables that align directly with your overall goals. To ensure seamless execution, I structure my approach around clear milestones: detailed initial alignment, rigorous development and optimization, and thorough post-implementation verification. Whether handling system setups, data-driven workflows, or strategic content delivery, I focus on building robust, scalable solutions that minimize downtime and maximize productivity. I communicate transparently throughout every phase so you remain fully updated on progress and key decisions. I would welcome the opportunity to discuss your specific requirements and how we can best tailor this engagement to achieve your target outcomes. Please let me know a convenient time for a quick brief or call, and I will prepare a detailed action plan tailored to your project timeline.

@muhannadbukhamse

Hello, I am an experienced FPGA/DSP engineer with expertise in real-time 5G NR signal processing, O-RAN 7.2x architectures, high-speed interfaces, and AMD Xilinx FPGA platforms. A key consideration for this project is defining the end-to-end throughput, latency, fixed-point precision, clocking, and resource budgets early so the O-RAN fronthaul, Low-PHY/DFE chain, and RF interfaces operate deterministically as one integrated platform. I have extensive experience with FPGA architecture, RTL/HLS and IP integration, FFT/IFFT, filtering and rate conversion, MIMO/beamforming processing, high-speed data paths, CDC, timing closure, resource optimization, simulation, and hardware-level validation. I can deliver a modular and configurable Low-PHY FPGA architecture with integrated processing blocks, optimized RTL/HLS/IP, simulation and verification, timing/resource reports, hardware validation, debugging support, and complete technical documentation for the selected AMD Xilinx Versal device. What are your target maximum RF bandwidth, carrier count, sample rates, antenna configuration, and required end-to-end latency from the O-RAN 7.2x interface to the ADC/DAC boundary? Thank you,