Time delay control method and system

A control method and control system technology, applied in transmission systems, digital transmission systems, time allocation, etc., can solve problems such as uplink and downlink interleaving interference and increased difficulty of base station products

Active Publication Date: 2016-08-03
MEIZU TECH CO LTD
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Problems solved by technology

When the number of OFDM symbols contained in the sTTI is 5, the uplink and downlink TTI boundaries of user 2 cannot be aligned with the uplink and downlink boundaries of user 1, and there will be uplink and downlink interleaved interference. As far as the base station is concerned, both data transmission and data reception need to be performed at a specific moment, and the difficulty of realizing base station products has also increased.

Method used

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  • Time delay control method and system
  • Time delay control method and system

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Embodiment Construction

[0030] In order to be able to understand the above objectives, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other if there is no conflict.

[0031] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited to the specific details disclosed below. Limitations of the embodiment.

[0032] figure 2 A flowchart of a time delay control method according to an embodiment of the present invention is shown.

[0033] Such as figure 2 As shown, the time delay control method according to an...

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Abstract

The invention provides a time delay control method and system .The time delay control method comprises the steps that a first transmitting time interval adopted for data transmission in a network is obtained, wherein the first transmitting time interval is used for receiving, transmitting and processing communication network data; the number of OFDM symbols of the first transmitting time interval is determined; approximate numbers of the number of the OFDM symbols of the first transmitting time interval are obtained; any approximate number is set as the number of OFDM symbols of a second transmitting time interval, wherein the second transmitting time interval is used for receiving, transmitting and processing communication network data .According to the technical scheme, the borders of the upstream and the downstream of a user using sTTI are aligned to the borders of the upstream and the downstream of a user using TTI, upstream and downstream cross interference is avoided, the condition that transmitting and receiving are both carried out at the same time is avoided, and the implementation difficulty of a base station product is reduced .

Description

Technical field [0001] The present invention relates to the field of communication technology, and in particular to a time delay control method and a time delay control system. Background technique [0002] At present, with the development of the mobile Internet, a large number of application services that meet various specific functions have emerged, some of which have low data delay requirements, such as sending and receiving emails, downloading movies, etc., while others have strict data delays. Requirements such as online online games, rush to buy, grab red envelopes, etc., these types of services usually require the user data latency to be as short as possible. In an LTE (Long Term Evolution of Universal Mobile Technology) network, TTI (Transmission Time Interval) is an important indicator that affects user data delay. CP (Cyclic Prefix, cyclic prefix) includes two cases of normal cyclic prefix and extended cyclic prefix. The current LTE system uses a TTI of 1 ms, which is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0078H04L5/0092
Inventor 不公告发明人
Owner MEIZU TECH CO LTD
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