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Method and system for configuring data carrying channel for user data by relay access system

A technology of user data and configuration data, applied in access restriction, wireless communication, electrical components, etc., can solve the problems of increasing processing, reducing data transmission rate and network element processing capacity, and achieving the effect of improving processing efficiency

Inactive Publication Date: 2011-03-30
SHANGHAI ZTE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, it is necessary to perform QOS mapping for each IP data packet and find the corresponding data bearing channel according to the service type, which increases unnecessary processing and reduces the data transmission rate and the processing capacity of network elements

Method used

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  • Method and system for configuring data carrying channel for user data by relay access system
  • Method and system for configuring data carrying channel for user data by relay access system
  • Method and system for configuring data carrying channel for user data by relay access system

Examples

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Embodiment 1

[0068] In the prior art, in order to negotiate the application layer parameters between the UE and the packet data network gateway, 3GPP defines the PCO (Protocol configuration options, protocol configuration options) parameter, which can be filled by the UE and sent to the core through a non-access layer message network, or sent by the core network to the UE. The configurable protocol types of the PCO include some standard network communication protocols, and may also be special parameters defined by 3GPP for use in mobile communication services. The above special parameters do not necessarily correspond to a certain protocol, but may only send special requests and configuration parameters between the UE and the network. For example, the PCO sent by the UE to the network may contain a P-CSCF Address Request (a proxy call session control function entity address request ) and DNS Server Address Request (domain name server address request), the PCO sent by the network to the UE ...

Embodiment 2

[0102] In this embodiment, during the initial access process, the access network (Relay or DeNB) sends the UE "whether it accesses through the Relay node" to the core network, and the core network learns whether the UE accesses through the Relay node through the identification. After receiving the downlink IP data sent to the UE, only the IP data of the UE accessed from the Relay is mapped to the QOS and the service type. The following is an example of adding a logo to Relay, see Figure 4 , including the following steps:

[0103] Step 1: UE performs cell selection / reselection, camps on the selected cell, and then reads the system information of the cell;

[0104] Step 2: The UE prepares to initiate a PDN connection establishment request according to the user request: first trigger the RRC connection establishment process, and carry the PDN connection establishment request of the non-access stratum in the RRC connection establishment completion message;

[0105] Step 3: Rela...

Embodiment 3

[0129] In this embodiment, during the initial access process, the access network (Relay or DeNB) allocates an ECGI to the UE when the UE is powered on. The ECGI implicitly indicates whether the UE accesses through the Relay, and the access network assigns the ECGI After sending to the core network, the core network judges whether the UE accesses from the relay through the ECGI. After receiving the downlink IP data sent to the UE, it only performs QOS and service type on the IP data of the UE accessed from the relay. map. Including the following steps, you can refer to after step 1 Figure 4 :

[0130] Step 0: Relay accesses the network through the registration process, establishes a data bearer to the network and obtains an IP address;

[0131] The Relay communicates with the network management server through the data bearer established in the registration process to obtain configuration parameters (wireless parameters, CN related parameters, radio frequency parameters, etc....

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Abstract

The invention discloses a method and a system for configuring a data carrying channel for user data by a relay access system, which can increase data transmission rate. The method comprises the following steps of: in an initial access process or a switching process of user equipment (UE), transmitting information whether the UE is accessed from a Relay or not to a core network; and after the core network receives descending IP (Internet Protocol) data, only grouping the IP data of the UE accessed from the Relay, wherein each group of IP data corresponds to one or a plurality of data carrying channels arranged between the Relay and a donor evolved node B (DeNB). By the invention, the core network can know that the UE is accessed from a base station or a relay (Relay); and when the descending data is processed, a data carrying channel with a Un interface can be quickly configured for the IP data accessed by the relay (Relay) of the UE to increase processing efficiency.

Description

technical field [0001] The invention relates to the field of cellular wireless communication, in particular to a method and system for configuring a data bearing channel for user data in a relay access system. Background technique [0002] In the cellular wireless communication system, the wireless coverage of the fixed base station network is limited due to various reasons, such as the blocking of wireless signals by various building structures, which inevitably causes coverage holes in the coverage of the wireless network. On the other hand, in the edge area of ​​the cell, due to the weakening of the wireless signal strength and the interference of adjacent cells, when the UE is at the edge of the cell, the communication quality is poor, and the error rate of wireless transmission increases. In order to improve the coverage of data rate, group mobility, temporary network deployment, throughput of cell edge area and coverage of new area, a wireless network node called relay...

Claims

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Application Information

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IPC IPC(8): H04W36/06H04W48/18H04W88/08
Inventor 朱慧芬黄亚达奚进杜忠达
Owner SHANGHAI ZTE SOFTWARE CO LTD
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