arXiv:2504.11696cs.NIcs.IR2025-04被引 2

用大模型把用户口语需求转为通信系统指令,实现精准适配。

A New Paradigm of User-Centric Wireless Communication Driven by Large Language Models

  • 用大模型将自然语言请求转为结构化查询语句,精准获取系统参数。
  • 基于用户需求和实时参数优化通信配置,动态调整物理层编码深度。
  • 适合研究智能无线网络、AI驱动通信系统的开发者与工程师。

下一代无线通信致力于将人工智能深度融入以用户为中心的网络,构建真正具备AI原生特性的通信系统。大语言模型(LLMs)的发展为此提供了巨大潜力。然而,现有工作常忽视人类自然语言与真实通信系统复杂性之间的鸿沟,未能充分发挥LLMs能力。为此,本文提出一种新型的LLM驱动通信范式,创新性地引入自然语言到结构化查询语言(NL2SQL)工具。该范式以用户个人需求为核心:当收到用户请求时,LLMs首先分析其意图,识别相关通信指标与系统参数;随后生成结构化查询语言(SQL)语句,从高性能实时数据库中检索具体参数值;再利用LLMs基于用户请求与获取参数求解优化问题;最终根据优化结果调整通信系统以满足用户需求。为验证该范式的可行性,我们构建原型系统,设计了以用户请求为中心的语义通信(URC-SC)系统,其中物理层动态语义表示网络根据用户需求自适应调整编码深度。此外,两个LLMs分别负责分析用户请求与生成SQL语句。仿真结果验证了该方法的有效性。

原文摘要 · Abstract (English)

The next generation of wireless communications seeks to deeply integrate artificial intelligence (AI) with user-centric communication networks, with the goal of developing AI-native networks that more accurately address user requirements. The rapid development of large language models (LLMs) offers significant potential in realizing these goals. However, existing efforts that leverage LLMs for wireless communication often overlook the considerable gap between human natural language and the intricacies of real-world communication systems, thus failing to fully exploit the capabilities of LLMs. To address this gap, we propose a novel LLM-driven paradigm for wireless communication that innovatively incorporates the nature language to structured query language (NL2SQL) tool. Specifically, in this paradigm, user personal requirements is the primary focus. Upon receiving a user request, LLMs first analyze the user intent in terms of relevant communication metrics and system parameters. Subsequently, a structured query language (SQL) statement is generated to retrieve the specific parameter values from a high-performance real-time database. We further utilize LLMs to formulate and solve an optimization problem based on the user request and the retrieved parameters. The solution to this optimization problem then drives adjustments in the communication system to fulfill the user's requirements. To validate the feasibility of the proposed paradigm, we present a prototype system. In this prototype, we consider user-request centric semantic communication (URC-SC) system in which a dynamic semantic representation network at the physical layer adapts its encoding depth to meet user requirements. Additionally, two LLMs are employed to analyze user requests and generate SQL statements, respectively. Simulation results demonstrate the effectiveness.

大模型无线通信用户中心NL2SQL

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