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hanzala122/rf-telecom-rag

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App README

RF / Telecom RAG

Chat with 39,818 arXiv eess.SP abstracts. Ask about OFDM, MIMO, RIS, beamforming, NOMA, 5G/6G, radar, channel estimation, signal processing.

Stack

—Retrieval: bge-small-en-v1.5 (384-dim) + Neon PostgreSQL with pgvector (HNSW index)
—LLM: Llama-3.1-8B via Groq
—Tracing: Langfuse Cloud
—API + UI: FastAPI + vanilla HTML/CSS/JS chat (no React build needed)

Endpoints

—/ - Chat UI (NASA mission-control aesthetic)
—/query - Non-streaming JSON RAG endpoint
—/query/stream - Server-Sent Events streaming endpoint
—/health - Liveness probe
—/docs - Auto-generated OpenAPI / Swagger UI

Notes

—First request after idle may take ~20s (Neon free-tier compute auto-pauses)
—Built as Week 2 of a 6-week LLM engineer sprint by @hanzala122