mlsanityData to 7 Oct 2026

Optimal Power Allocation and AI Receiver Design for Superimposed DMRS and Data Transmission

arXiv 2608.13809 ↗First posted 13 Aug 2026cs.IT cs.AI math.ITcited by 0

Not on the map. Why?

Abstract (arXiv)

In this paper, we consider transmissions with superimposed (SI) demodulation-reference-symbol (DMRS) and data in orthogonal frequency-division multiplexing (OFDM) based multiple-input multiple-output (MIMO) systems. First, we derive an analytical framework to characterize the iterative behavior between the mean-square errors (MSEs) of channel estimation (CE) and MIMO detection (MD) within an iterative CE and detection (ICED) process. This framework is subsequently utilized to optimize power allocation and pilot patterns between the DMRS and data symbols for SI-DMRS transmission. Second, we design an artificial intelligence (AI) based receiver built upon Transformer encoders for SI-DMRS transmissions, which incorporates an iterative CE and detection (ICED) structure. Simulation results demonstrate that the proposed AI-ICED receiver, combined with SI-DMRS, effectively increases spectral efficiency (SE) compared to conventional systems using non-overlapped DMRS and data symbols.

Key facts. No citing papers in the map yet (data through 7 Oct 2026). Builds on 20 of its 42 references that are in the map. First posted on arXiv 13 Aug 2026.

Builds on

20 of 42 references.

References · 20

  1. 2017Attention Is All You Needcited by 59,932
  2. 2025Qwen3 Technical Reportcited by 8,195
  3. 2016SGDR: Stochastic Gradient Descent with Warm Restartscited by 4,993
  4. 2021RoFormer: Enhanced Transformer with Rotary Position Embeddingcited by 4,581
  5. 2020GLU Variants Improve Transformercited by 1,724
  6. 2017Accurate, Large Minibatch SGD: Training ImageNet in 1 Hourcited by 1,479
  7. 2024DeepSeekMoE: Towards Ultimate Expert Specialization in Mixture-of-Experts Language Modelscited by 834
  8. 2025DeepSeek-V3.2: Pushing the Frontier of Open Large Language Modelscited by 755
  9. 2026Kimi K2.5: Visual Agentic Intelligencecited by 449
  10. 2017An Introduction to Deep Learning for the Physical Layercited by 227
  11. 2025Tensor Product Attention Is All You Needcited by 27
  12. 2023In-Context Learning for MIMO Equalization Using Transformer-Based Sequence Modelscited by 11
8 more
  1. 2023An Overview of the 3GPP Study on Artificial Intelligence for 5G New Radiocited by 7
  2. 2025Virtual Width Networkscited by 3
  3. 2025Turbo-ICL: In-Context Learning-Based Turbo Equalizationcited by 2
  4. 2025Learning-Aided Iterative Receiver for Superimposed Pilots: Design and Experimental Evaluationcited by 2
  5. 2026Embodied AI in 6G Networks: From Intelligent Connectivity to Physical Intelligencecited by 2
  6. 2025Superimposed DMRS for Spectrally Efficient 6G Uplink Multi-User OFDM: Classical vs AI/ML Receiverscited by 1
  7. 2026Invariant Transformation and Resampling based Epistemic-Uncertainty Reductioncited by 1
  8. 2026Dual-Attention Based 3D Channel Estimationcited by 1

Built on by

Not cited yet.