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Method and equipment for configuring transmission scheme and/or feedback mode

A transmission scheme and feedback mode technology, applied in the field of transmission scheme and/or feedback mode configuration, can solve problems such as loss of solution switching, inability to support scheme switching, etc., and achieve the effect of saving feedback resources

Active Publication Date: 2014-04-02
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

However, if it is considered that the two schemes exist in one transmission mode, dynamic fast switching can be supported according to the judgment of the network side, and the switching mode using RRC signaling in the feedback mode cannot support the switching of schemes, which also makes the scheme The switch loses its practical significance

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  • Method and equipment for configuring transmission scheme and/or feedback mode
  • Method and equipment for configuring transmission scheme and/or feedback mode
  • Method and equipment for configuring transmission scheme and/or feedback mode

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Embodiment Construction

[0098] As described in the background, in the prior art, RRC signaling is used to notify the transmission scheme and the feedback mode, and it is impossible to quickly switch the transmission scheme and the corresponding feedback type.

[0099] The main solution adopted by the technical solution of the present invention is to use the physical control channel to explicitly or implicitly notify the transmission scheme or the feedback type.

[0100] The main technical point of the embodiments of the present invention is that different downlink transmission schemes in CoMP correspond to different feedback modes, and the feedback content and / or overhead included in the feedback modes are different;

[0101] On the one hand, in CoMP, different downlink transmission schemes can be switched dynamically and quickly;

[0102] Among them, the eNB chooses whether to use the CoMP transmission scheme, and which transmission scheme, and switches in the following ways:

[0103] Method 1. Har...

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Abstract

The present invention discloses a method and device for configuring a transmission scheme and / or feedback mode. Through sending messages on a physical control channel, the feedback mode of a User Equipment (UE) is configured. By applying the technical solution provided by the embodiment of the present invention, different feedback modes corresponding to different Coordinated Multi-Point (CoMP) transmission schemes can be enabled, and feedback resources can be better saved. In addition, compared to the previous Radio Resource Control (RRC) signaling notification, the method for setting switches through the physical layer control channel can switch the transmission scheme and feedback mode faster.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a method and device for configuring a transmission scheme and / or a feedback mode. Background technique [0002] The International Telecommunications Union (International Telecommunications Union, ITU) puts forward very strict requirements for the performance of the next generation mobile communication system - International Mobile Telecommunications Advanced (IMT-A). For example, the maximum system transmission bandwidth reaches 100MHz, and the peak rate of uplink and downlink data transmission needs to reach 1Gbps and 500Mbps, and puts forward very high requirements for the system average spectral efficiency, especially the edge spectral efficiency. [0003] In order to meet the new requirements of IMT-A, 3GPP proposes Coordinated Multi-Point Transmission / Reception (CoMP) in its next-generation mobile cellular communication system LTE-A to improve system perfor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W4/20H04W72/12H04W88/02H04W88/08
CPCH04W28/16H04L1/0027
Inventor 彭莹喻晓东谌丽高秋彬
Owner DATANG MOBILE COMM EQUIP CO LTD
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