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A joint transmission method, system and anchor network element

A technology of joint transmission and network element, applied in the field of joint transmission

Active Publication Date: 2017-09-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the main purpose of the present invention is to provide a joint transmission method, system and anchor network element, which can realize cross-system joint transmission of user equipment data, and solve the problem of RRC connection maintenance when user equipment accesses two systems at the same time question

Method used

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  • A joint transmission method, system and anchor network element
  • A joint transmission method, system and anchor network element
  • A joint transmission method, system and anchor network element

Examples

Experimental program
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Embodiment 1

[0070] In this embodiment, the user equipment UE1 resides in the cell 1 under the jurisdiction of the base station 1 in the UMTS system and is in an idle state, and the base station 1 is under the jurisdiction of the RNC. Cell 2 having the same coverage as cell 1 is governed by eNB 2, and eNB 2 belongs to the LTE system. In the UMTS system, an Iub interface is established between the RNC and the base station 1 . Since the RNC may implement joint transmission with the evolved base station 2 in LTE, a new interface is established between the RNC and the evolved base station 2 for transferring data and control signaling. The establishment of the interface between the RNC and the eNB 2 can be implemented by an operation and maintenance (Operation & Maintenance) server. This embodiment implements a joint transmission method, such as image 3 As shown, the method includes the following steps:

[0071] Step 201, UE1 initiates random access in cell 1, and sends an RRC connection re...

Embodiment 2

[0092] In this embodiment, the user equipment UE2 accesses the network through the LTE system and is in a connected state, and the UE2 accesses the cell 3 under the jurisdiction of the evolved base station 3, that is, the evolved base station 3 has established an RRC connection for the UE2. The base station 4 in the UMTS system is governed by the RNC, and the coverage area of ​​the cell 4 governed by the base station 4 overlaps with that of the cell 3 .

[0093] The application scenario of this embodiment is: UE2 has established a DRB, which is represented by DRB1 below. If UE2 needs to create a new DRB2, but evolved base station 3 does not have enough resources to meet UE2's new DRB2 QoS parameter requirements, since evolved base station 3 has already learned that UE2 has the ability to support joint transmission when UE2 accesses the network, the evolved base station 3 It is hoped that UE2 can obtain more radio resources by means of joint transmission. The evolved base stat...

Embodiment 3

[0104] In this embodiment, in the UMTS system, if the user equipment UE1 uses HSPA technology, that is, the uplink is HSUPA (High Speed ​​Uplink Packet Access), and the downlink is HSDPA (High Speed ​​Downlink Packet Access), the scheduling of the user equipment UE1 is not the responsibility of the RNC, but The base station is in charge, for example, the spreading code used by UE1, the time slot using the spreading code, etc. are all controlled by the base station. In this embodiment, the base station of the LTE system will adopt the joint transmission technology for UE1, so that UE1 uses the HSPA technology in the UMTS system and the Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Division Multiplexing) technology in the LTE system at the same time, so in the LTE system An interface is established between the evolved base station 1 in the UMTS system and the base station 2 in the UMTS system, and the interface is used for transmitting control signaling a...

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Abstract

The present invention discloses a joint transmission method. An anchor network element sends a joint transmission request to a non-anchor network element; after receiving the joint transmission response sent by the non-anchor network element, the anchor network element Allocating radio resources for the user equipment in the system where the joint transmission response includes the radio resources allocated by the non-anchor network element; the anchor network element sends a bearer to the user equipment through RRC signaling establishing or reconfiguring signaling, where the bearer establishing or reconfiguring signaling carries radio resources allocated to the user equipment by itself and the non-anchor point respectively, so that the user equipment establishes or reconfigures according to the bearer The wireless resources carried by the signaling are jointly transmitted; the invention also discloses a system for joint transmission and an anchor point network element. Through the solution of the present invention, the cross-system joint transmission of user equipment data can be realized, and the problem of RRC connection maintenance of user equipment accessing two systems at the same time is solved.

Description

technical field [0001] The present invention relates to mobile communication technology, in particular to a joint transmission method, system and anchor network element. Background technique [0002] The architecture of the existing 3rd Generation Partnership Project (3GPP) access system, such as figure 1 As shown, it includes a radio access network part and a core network part, wherein the radio access network part includes GERAN (GSM EDGE Radio Access Network), Universal Mobile Telecommunications System (UMTS, Universal Mobile Telecommunications System) access network and long-term evolution (LTE , Long Term Evolution) access network. Both GERAN and UMTS access networks are connected to the core network element GPRS Serving Support Node (SGSN, Serving GPRS Support Node), and the LTE access network is connected to the core network element Mobility Management Entity (MME, Mobility Management Entity). GERAN refers to the base station subsystem (BSS, Base Station Subsystem),...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08H04W36/00H04L1/00H04W72/08H04W72/54
CPCH04W72/04
Inventor 邓云
Owner ZTE CORP
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