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Method, device and system for operation and signaling generation based on subframe set

A subframe collection and generation device technology, which is applied in the direction of transmission path separation device, signaling distribution, transmission system, etc., can solve problems such as undeveloped TDD system

Active Publication Date: 2019-06-18
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology

[0003] Corresponding standards have not been formulated in the prior art so that the TDD system can better adapt to the above situation

Method used

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  • Method, device and system for operation and signaling generation based on subframe set
  • Method, device and system for operation and signaling generation based on subframe set
  • Method, device and system for operation and signaling generation based on subframe set

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Embodiment Construction

[0022] In order to illustrate the solution of the present invention more clearly, the configuration of the TDD uplink and downlink subframes is first described below:

[0023] TDD uplink and downlink subframes can be configured in seven ways as shown in Table 1; among them, a wireless frame can contain 10 subframes, and the subframe labels can be marked as: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; "D" in Table 1 indicates a downlink subframe, "U" indicates an uplink subframe, and "S" indicates a special subframe, in which subframes 3-4, 6-9 are variable , and the subframe 6 includes a special subframe, then without considering the special subframe, it can be considered that the five subframes of subframes 3-4 and 7-9 are variable. That is, subframes with 5-6 bits (bits) in one frame are variable.

[0024]

[0025] Table 1

[0026] In the TDD system of the present invention, adjacent cells can adopt different uplink and downlink subframe configurations at the same time. The present ...

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Abstract

The present invention provides a subframe set-based operation and signaling generation method, device and system. The base station of the present invention belongs to the TDD system, and adjacent cells in the TDD system can adopt different uplink and downlink subframe configurations at the same time, and the user equipment obtains indication information of two subframe sets, and the two subframe sets are based on the TDD system The interference degree of at least one subframe in the uplink and downlink subframe configuration is obtained by dividing the at least one subframe. When the uplink or downlink operation with the base station is performed on the at least one subframe, according to at least A set of subframes to which a subframe respectively belongs, and corresponding operations are performed. Compared with the prior art, the user equipment of the present invention can perform corresponding operations based on subframe sets including subframes with different degrees of interference.

Description

technical field [0001] The present invention relates to the field of time division duplex (TDD, Time Division Duplex) communication technology, and in particular to a subframe set-based operation and signaling generation method, device and system. Background technique [0002] Currently, the uplink and downlink subframe configurations of adjacent cells in a TDD system are often the same. However, when the current cell served by the base station has different requirements from its neighboring cells, the current cell needs to change its uplink and downlink subframe configurations, so that the current cell and its neighboring cells adopt different uplink and downlink subframe configurations. Therefore, on some subframes, there will be relatively large inter-cell interference, and on some subframes, the inter-cell interference will be small or even negligible. [0003] Corresponding standards have not been formulated in the prior art so that the TDD system can better adapt to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W88/08H04W72/54
CPCH04W72/0446H04W72/541H04L1/1854H04L1/1864H04W72/00H04L5/001H04L5/0044H04L5/0053H04L5/1469H04L5/0073H04W72/23
Inventor 孙芳蕾杨涛
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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