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A connection method, a configuration update method, a control plane device and a user plane device

A connection method and user plane technology, applied in connection management, wireless communication, network data management, etc., to achieve the effect of reducing deployment cost and difficulty

Active Publication Date: 2020-12-29
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the rate of the 5G air interface increases to tens of gigabits per second (Gbps), the transmission traffic demand of the CPRI interface will rise to at least the level of terabits per second (Tbps), which brings great difficulties to the deployment cost and difficulty of the fronthaul network interface. Enormous pressure

Method used

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  • A connection method, a configuration update method, a control plane device and a user plane device
  • A connection method, a configuration update method, a control plane device and a user plane device
  • A connection method, a configuration update method, a control plane device and a user plane device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0197] Figure 9 It is a schematic flow diagram of the connection establishment request initiated by the CP and the UP provided by the present invention.

[0198] First connection establishment request message: Direction: CP->UP

[0199] The source CP sends the first connection establishment request message to the UP, and the message includes but not limited to the following information:

[0200] - Identification information of the source CP.

[0201] First connection establishment success response message: Direction: UP->CP

[0202] After the target UP receives the first connection establishment request message from the CP, it sends a first connection establishment success response message to the CP, which includes but is not limited to the following information:

[0203] - Identification information of the target UP.

[0204] - Ability information of target UP.

[0205] The capability information of the UP includes but not limited to the following information elements: ...

Embodiment 2

[0221] Figure 10 It is a schematic flow diagram of the connection establishment request initiated by the UP and the CP provided by the present invention.

[0222] The second connection establishment request message: Direction: UP->CP

[0223] The source UP sends a second connection establishment request message to the CP, the message includes but not limited to the following information:

[0224] - identification information of the source UP;

[0225] - Capability information of the source UP;

[0226] Wherein, the capability information of the UP includes but not limited to the following information elements:

[0227] - Bandwidth information of the UP;

[0228] - the maximum number of UEs supported by the UP;

[0229] - The maximum number of DUs supported by the UP;

[0230] - The DU list connected to the UP and the connection attribute information between the source UP and each DU, including but not limited to: delay, bandwidth and other information;

[0231] - The C...

Embodiment 3

[0245] Figure 11 It is a schematic diagram of the process of implementing UP configuration update between CP and UP provided by the present invention.

[0246] Capability update message: Direction UP->CP

[0247] When an interface configuration update is required, the source UP sends a capability update message to all CPs in the CP list that is currently connected to the source UP. The message includes but is not limited to the following information:

[0248] - identification information of the source UP;

[0249] - Source UP updated capability information.

[0250] Wherein, the capability information updated by the source UP includes but not limited to the following information elements:

[0251] - Bandwidth information of the source UP;

[0252] - The maximum number of UEs supported by the source UP;

[0253] - The maximum number of DUs supported by the source UP;

[0254] - The DU list connected to the source UP and the connection attribute information between the so...

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Abstract

The invention discloses a connection method, a configuration update method, a control plane device, and a user plane device, including that the control plane device sends a first connection establishment request message to the user plane device, and the first connection establishment request message includes control plane device information The user plane device sends a first connection establishment success response message or a first connection establishment failure response message to the control plane device, the first connection establishment success response message includes user plane device information, and the first connection failure response message includes user Device information and connection establishment failure reasons. The present invention satisfies the need to establish a connection between the control plane device and the user plane device under the framework of separating the control plane device and the user plane device by sending a connection establishment request or a connection establishment response between the control plane device and the user plane device, thereby Reduce the deployment cost and difficulty of 5G fronthaul network interface.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for establishing a connection, a control plane device and a user plane device. Background technique [0002] With the advent of the 5G mobile communication era, massive connections and higher data transmission rates require the long-term evolution (Long Term Evolution, LTE) system indoor baseband processing unit (Building Baseband Unit, BBU) and remote radio module (Remote Radio The transmission capacity of the front haul (Front haul) network interface between Units, RRUs—the Common Public Radio Interface (CPRI), poses a great challenge. Since the CPRI interface transmits In-phase / Quadrature (IQ) signals processed by physical layer coding and modulation, the corresponding digital bit stream rate is huge, so the CPRI interface has relatively high transmission delay and bandwidth. big request. When the rate of the 5G air interface increases to tens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W76/10
CPCH04W24/02H04W8/245H04W76/11H04W76/18H04W88/02H04W76/12H04W76/15H04W88/08H04W92/16H04W88/085H04W76/10H04W72/04
Inventor 刘旸高音黄河杨立
Owner ZTE CORP
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