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Downlink scheduling command space configuration method

A technology of scheduling commands and configuration methods, applied in digital transmission systems, electrical components, error prevention, etc., can solve the problem of high complexity, and achieve the effect of reducing complexity and enhancing system gain

Inactive Publication Date: 2015-05-13
TD TECH COMM TECH LTD
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Problems solved by technology

[0010] If the G-RNTI is placed in the dedicated space, it will increase the complexity of the UE's search space. The original maximum number of searches for the UE is 44 times. If the G-RNTI is placed in the dedicated space, according to the definition of the original LTE protocol, additional The added complexity is 32, and the added complexity is relatively high, which is a big requirement for the battery capacity of the UE

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  • Downlink scheduling command space configuration method

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Embodiment Construction

[0020] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] The core idea of ​​the present invention is: the search for G-RNTI can be limited, and in the downlink of the group, G-RTNI is effective for multiple users in a cell, so that users with different channel qualities in the cell can monitor The G-RNTI scrambling command and the G-RNTI scrambling scheduling command can be configured to only use the aggregation degree 4 or 8 scheduling command configuration, so that the UE searches for the G-RNTI only when the aggregation degree is 4 or 8 In this way, the complexity of the UE's search for the G-RNTI will be greatly reduced. In the case of Level 4 or 8 for the detection of G-RNTI, a space called G-RNTI expansion space can be reserved or expanded. When the public space is occupied by othe...

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Abstract

The invention provides a downlink scheduling command space configuration method, which is characterized in that a G-RNTI (group radio network temporary identifier) extended space is reserved or extended; and under the situation that a public space is occupied by other RNTIs (radio network temporary identifiers) with higher priorities, a G-RNTI is placed in the G-RNTI extended space. Therefore, the system gain of private network service can be enhanced and the complexity of searching for the G-RNTI by UE (user equipment) is reduced.

Description

technical field [0001] The invention relates to a resource configuration technology in a mobile communication system, in particular to a configuration method of a downlink scheduling command space of a private network service. Background technique [0002] In the current LTE technical standard, different radio network temporary identification numbers (RNTI) are allocated for different services. For example, system information radio network temporary identification numbers (SI-RNTI) are provided for system broadcast messages. The paging channel will be configured with a paging radio network temporary identifier (P-RNTI). Uplink random access will have a random access radio network temporary identifier (RA-RNTI). For general access users, a user-specific The Cell Radio Network Temporary Identity (C-RNTI) is used for operations such as scrambling of user-specific scheduling commands. In the original LTE standard protocol, in addition to the RNTI mentioned above, there are Temp...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W72/10H04W72/12
Inventor 王亮王大飞方伟
Owner TD TECH COMM TECH LTD
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