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Downlink data transmission method, system and base station

A technology of downlink data and transmission method, which is applied in the field of communication, can solve problems such as repeated transmission of user data, achieve the effect of reducing repeated data transmission and increasing utilization efficiency

Inactive Publication Date: 2007-09-12
HUAWEI TECH CO LTD
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  • Summary
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  • Claims
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Problems solved by technology

[0005] Embodiments of the present invention provide a downlink data transmission method, system and base station to solve the problem of repeated transmission of user data existing in downlink data transmission in the prior art

Method used

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  • Downlink data transmission method, system and base station
  • Downlink data transmission method, system and base station
  • Downlink data transmission method, system and base station

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Embodiment Construction

[0022] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0023] Figure 1 is a schematic diagram of the implementation process of the downlink data transmission method, as shown in the figure, including the following steps:

[0024] Step 101, after the network side encodes the downlink user data, packs the user data with the same downlink data transmission information, and records the location information of each user data in the data packet;

[0025] Step 102, the network side transmits the data packet to the user side, and sends the location information of each user data to the corresponding user;

[0026] Step 103, each user on the user side extracts user data according to the location information and decodes it.

[0027] In the embodiment, the user data with the same downlink data transmission information are gathered together to synthesize a large data packet, and the downlink data transmission informati...

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Abstract

The invention discloses a downlink data transmitting method, system and base station in the communication field, comprising: network side encodes downlink user data, and then packets user data with the same downlink data transmission information and records position information of each user data in the data packet; the network side transmits the data packet to user side and transmits the position information to the corresponding user; each user on the user side extracts the respective user data for coding according to the position information. And it reduces repeated data transmission problem in the downlink user data transmission and raises utilization ratio of network transmission resources.

Description

technical field [0001] The present invention relates to the communication field, in particular to a downlink data transmission method, system and base station. Background technique [0002] In a wireless communication system, the downlink data from the base station to the terminal is naturally distinguished according to the user. Taking the voice signal as an example, after the source coding of the voice itself and the use of related voice compression coding, the uplink data starts from the voice originator. Channel, wireless communication network, arrives at the base station of the cell where the target user is located. At the base station, after scheduling, appropriate resources are allocated to the voice data packet, including time slots and frequencies, according to a certain modulation form and channel coding format (MCS, Modulation and CodingScheme) for channel coding, according to a certain transmission mode (such as using the current frame transmission, using the ext...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L1/00H04L1/16H04L12/56H04L12/16H04Q7/30
Inventor 孙立新李斌许炳杜颖钢
Owner HUAWEI TECH CO LTD
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