A Communication Mechanism of Wireless Network-on-a-Chip Based on Two-dimensional Grid

A network-on-chip, two-dimensional grid technology, applied in wireless communication, data exchange network, network traffic/resource management, etc., can solve problems such as hindering local data transmission, reducing the efficiency of long-distance communication, and reducing the possibility of data congestion performance, reduce data pressure, and improve efficiency

Inactive Publication Date: 2019-06-18
HEFEI UNIV OF TECH
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  • Abstract
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Problems solved by technology

Data congestion at the wireless interface will not only reduce the efficiency of long-distance communication in the network, but also hinder the transmission of local data to a certain extent

Method used

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  • A Communication Mechanism of Wireless Network-on-a-Chip Based on Two-dimensional Grid
  • A Communication Mechanism of Wireless Network-on-a-Chip Based on Two-dimensional Grid
  • A Communication Mechanism of Wireless Network-on-a-Chip Based on Two-dimensional Grid

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Embodiment Construction

[0026] In this embodiment, a two-dimensional grid-based wireless network-on-chip communication mechanism, such as figure 1 As shown, the wireless network on chip is composed of several routers, and the routers are divided into wireless routers WR and wired routers BR; several routers communicate with each other using the dimensional order routing algorithm; the input port of any router is its own output port Assign two virtual channels, including: the first virtual channel VC0 and the second virtual channel VC1; with the router on any vertex in the two-dimensional grid as the origin O, the two routing channels connected to the router on the vertex are respectively X axis and Y axis, establish coordinate system OXY, figure 1 It is a wireless network on chip based on a 10x10 two-dimensional grid. There are four wireless routers WR in the network; the communication mechanism is carried out as follows:

[0027] Step 1. Set the routing information of the data packet header transmi...

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Abstract

The invention discloses a communication mechanism of a wireless network-on-chip based on a two-dimensional grid. The communication mechanism comprises the steps that 1, a zone bit is added in data packet header routing information to mark the transmitting mode of a data packet; and 2, whether the transmitted data packet is a long distance data packet or a short distance data packet is judged, and different routing paths are arranged for the data packet to transmit the data packet. The bearing capacity of the wireless resource in the wireless network-on-chip for data load can be enhanced and the communication delay of the network can be reduced.

Description

technical field [0001] The invention belongs to the application technical field of integrated circuit chip design, in particular a two-dimensional grid-based wireless on-chip network communication mechanism proposed for solving the problem of network performance degradation caused by wireless interface congestion in the wireless on-chip network. Background technique [0002] Network-on-Chip (Network-on-Chip) has gradually become an effective structure for realizing on-chip multi-core, but as the number of integrated cores in the network increases, the communication delay and power consumption between nodes in the network become higher and higher, By inserting long-distance links in the network, the average number of hops between nodes can be reduced without reducing the network scale, thereby reducing the communication delay of the entire network. However, the inserted long-distance link is still a metal link. It is pointed out in ITRS that in the long run, improving the met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W28/08H04L12/801H04L12/803H04L12/851H04L12/721
CPCH04L45/14H04L47/12H04L47/125H04L47/2441H04W28/0289H04W28/08
Inventor 欧阳一鸣杨剑峰邢琨姜兆能梁华国李建华
Owner HEFEI UNIV OF TECH
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