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Uplink data transmission method and terminal

A data transmission and terminal technology, applied in the field of communication, can solve problems such as the inability to utilize the peak rate of dual connection resources, reduce the enhanced characteristics of uplink data transmission, and not adopt the shunt transmission mode, so as to achieve flexible adaptation and ensure backward compatibility , the effect of reducing resource consumption

Inactive Publication Date: 2016-03-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, for uplink data, the current standard does not adopt the offload transmission method, that is, the uplink data carried can only be transmitted on MeNB or SeNB, and cannot be transmitted at the same time.
But this reduces the enhanced features of uplink data transmission to a certain extent, for example, uplink transmission cannot use dual connection resources to increase the peak rate, etc.

Method used

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  • Uplink data transmission method and terminal
  • Uplink data transmission method and terminal
  • Uplink data transmission method and terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] The UE maintains dual connections (primary connection and secondary connection) with the primary base station (ie, MeNB) and the secondary base station (ie, SeNB).

[0092] Step 101, the UE receives configuration information related to the uplink offload bearer sent from the MeNB, including: the first offload threshold Th1, the default uplink connection is MeNB, the uplink logical channel configuration of the UE on the master connection and the slave connection, and the UE defaults to Logical channel configuration, distribution ratio division information R.

[0093] Step 102, the UE stores the configuration information, and counts the effective buffered data amount A1 carried by the uplink offload in the PDCP layer buffer and the RLC layer buffer, and the data amount A1 may be in units of bits / bytes or data The number of packages is the unit. Wherein, the amount of data buffered by the RLC layer includes the amount of data buffered by the terminal corresponding to the ...

Embodiment 2

[0100] The UE maintains dual connections (primary connection and secondary connection) with the primary base station (ie, MeNB) and the secondary base station (ie, SeNB). The difference from the first embodiment lies in that the UE counts the effective cached data volume in a different manner, and the UE offload ratio divides in a different manner. Including the following steps:

[0101] Step 201, the UE receives the configuration information related to the uplink offload bearer sent from the MeNB, including: the first offload threshold Th1, the default uplink connection is MeNB, the UE's uplink logical channel configuration on the primary connection and the secondary connection, and the UE defaults to Logical channel configuration, distribution ratio division information R.

[0102] Step 202, the UE stores the configuration information, and counts the effective buffered data amount A1 of the uplink offload carried in the PDCP layer cache, and the data amount A1 may be in uni...

Embodiment 3

[0109] The UE maintains dual connections (primary connection and secondary connection) with the primary base station (ie, MeNB) and the secondary base station (ie, SeNB). The difference from Embodiment 1 is that the UE uses different offload thresholds and hysteresis time when judging whether to enable and stop offload transmission, and the default uplink connection is SeNB. Include the following steps:

[0110] Step 301, the UE receives the configuration information related to the uplink offload bearer sent from the MeNB, including: the first offload threshold Th1, the second offload threshold Th2, the delay time t, the default uplink connection is SeNB, the UE on the main connection Uplink logical channel configuration, UE uplink logical channel configuration on the secondary connection, UE default logical channel configuration, offload ratio division information R.

[0111] Step 302, the UE stores the information, and counts the effective cached data volume A1 carried by t...

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Abstract

The invention provides an uplink data transmission method and a terminal. The method comprises steps: the terminal receives configuration information related to uplink shunt bearing and the information is stored; the terminal counts an effective cache data amount; according to the configuration information and the effective cache data amount, the terminal determines an uplink data transmission mode, wherein the uplink data transmission mode comprises any following one: a mode of transmitting uplink data through main connection, a mode of transmitting uplink data through slave connection, a mode of opening uplink shunt transmission, and a mode of transmitting uplink data through main and slave connection. Flexible shunt transmission configuration for uplink data can be realized, the uplink peak rate can be fully improved in the case of large data amount transmission, excessive resource occupancy can be reduced in the case of small data amount transmission, and an uplink data transmission mechanism and flexible adaptation on large data amount transmission and small data amount transmission can be realized.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and terminal for uplink data transmission. Background technique [0002] With the continuous evolution of wireless communication technologies and standards, mobile packet services have been greatly developed, and the data throughput capability of a single terminal is constantly improving. Taking the Long Term Evolution (LTE for short) system as an example, it can support data transmission at a maximum downlink rate of 100 Mbps within a 20M bandwidth, and in the subsequent enhanced LTE (LTE Advanced) network, the data transmission rate will be further improved, even reaching 1Gbps . [0003] The existing LTE user plane data protocol stack, such as figure 1 As shown, the downlink data received by the evolved base station (EvolvedNodeB, referred to as eNB) from the core network through the user plane GPRS Tunneling Protocol (GPRS Tunneling Protocol for the User Plane, re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08
CPCH04W72/02H04W76/15
Inventor 和峰
Owner ZTE CORP
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