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Patent Application for Virtual Channel Assignment in Network-on-Chip

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Summary

The USPTO has published a patent application (US20260086977A1) detailing a method for virtual channel assignment and compression in Network-on-Chip designs. The application, filed on November 15, 2024, by inventors Honnahuggi Harinath Venkata Naga Ambica Prasad and Eric Norige, focuses on optimizing router configurations for multiply instantiated routers.

What changed

This document is a publication of a patent application, US20260086977A1, filed by inventors Honnahuggi Harinath Venkata Naga Ambica Prasad and Eric Norige with the USPTO on November 15, 2024. The application describes a method for generating a Network on Chip (NoC) by computing a virtual channel (VC) mapping that associates each flow with a split VC identifier (including a host VC identifier and a discriminant). It further details generating the NoC with multiply instantiated routers configured with allocated VC identifiers according to the VC mapping, and remapping these identifiers based on inter-router connections and design slices.

As this is a patent application, it does not impose direct regulatory obligations or compliance deadlines on entities. However, it represents a novel technological development in the field of Network-on-Chip architecture. Companies involved in semiconductor design, particularly those developing System-on-Chip (SoC) or Network-on-Chip (NoC) technologies, may find the described methods for virtual channel assignment and compression relevant to their research and development efforts. Compliance officers in this sector should be aware of such technological advancements as they may influence future industry standards or intellectual property landscapes.

Source document (simplified)

← USPTO Patent Applications

MULTIPLE INSTANTIATION-AWARE VIRTUAL CHANNEL ASSIGNMENT AND COMPRESSION IN NETWORK-ON-CHIP

Application US20260086977A1 Kind: A1 Mar 26, 2026

Inventors

Honnahuggi Harinath Venkata Naga Ambica Prasad, Eric Norige

Abstract

A method for generating a Network on Chip (NoC) that includes computing a virtual channel (VC) mapping that associates each flow of the NoC with a split VC identifier, the split VC identifier including a host VC identifier and a discriminant and generating the NoC comprising multiply instantiated routers, wherein a design of each of the multiply instantiated routers is configured with allocated VC identifiers according to the VC mapping. Further, the method includes remapping the VC identifiers for each of the multiply instantiated routers based on its connection to other ones of the multiply instantiated routers and where allocation of VC identifiers is conducted according to each slice of the design of the multiply instantiated routers. Using split VC identifiers allows the multiply instantiated routers to have VC remapping/transformation functions that enable desired VC remapping at a plurality of positions on the NoC.

CPC Classifications

G06F 15/7825 H04L 49/109

Filing Date

2024-11-15

Application No.

18949670

View original document →

Classification

Agency
USPTO
Instrument
Notice
Legal weight
Non-binding
Stage
Draft
Change scope
Minor
Document ID
US20260086977A1

Who this affects

Industry sector
3341 Computer & Electronics Manufacturing
Activity scope
Semiconductor Design
Geographic scope
United States US

Taxonomy

Primary area
Technology
Operational domain
IT Security
Topics
Semiconductors Computer Hardware

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