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Apparatus, base station and method for sending data

A data and base station technology, applied in the field of data transmission, can solve problems such as inability to receive data, unbalanced load between the main transmitting antenna and the secondary transmitting antenna, and inability to fully utilize the power resources of the secondary transmitting antenna, so as to achieve the effect of improving power utilization

Active Publication Date: 2008-06-25
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The network side uses transmit diversity to send data. The data is sent from the main transmit antenna and the slave transmit antenna. If it is a UE that supports transmit diversity, it can receive data from the master transmit antenna and the slave transmit antenna. For UEs that do not support transmit diversity, Data can only be received from the main transmit antenna, but not from the slave transmit antenna
It can be seen that if there are UEs that do not support transmit diversity, the load of the main transmit antenna is higher than that of other transmit antennas, causing the load imbalance between the main transmit antenna and the slave transmit antenna, and the power resources of the slave transmit antenna cannot be fully utilized.

Method used

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  • Apparatus, base station and method for sending data

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Effect test

Embodiment 1

[0016] In the first embodiment, according to the 3GPP protocol, the network side is optional for transmit diversity, and the UE is mandatory to support transmit diversity. Therefore, there is no information element in the protocol to indicate the UE's support for transmit diversity. However, in actual networks, not all UEs implement the support for transmit diversity according to the protocol. In order to better realize the scheduling of data transmission on the network side, a data transmission method of this embodiment is proposed. Refer to Figure 1 for this method. Can include:

[0017] 101. Determine whether the receiving end supports transmit diversity according to the message reported by the receiving end.

[0018] The receiving end includes mobile terminals, multimedia terminals, fixed telephone terminals, etc. The receiving end reports whether it supports transmit diversity, a new message can be set to indicate whether the receiving end supports transmit diversity, or a fi...

Embodiment 2

[0030] The second embodiment is a data transmission method. In this embodiment, the transmitting antenna includes only the first antenna and the second antenna. The P-CPICH channel and the S-CPICH channel specified in the R7 protocol can be used as pilot channels. The first antenna uses the P-CPICH channel to transmit the pilot, and the second antenna uses the S-CPICH channel to transmit the pilot.

[0031] Receive the message reported by the UE, and determine whether the receiving end supports transmit diversity according to the message.

[0032] Refer to 101 in the first embodiment for the method of judging whether the receiving end supports transmit diversity.

[0033] For the data of the UE that does not support transmit diversity, the first antenna and the second antenna can be used to transmit data in turn. When the UE receives data from the first antenna, the data of the UE is only sent from the first antenna, and the transmission load of the second antenna is not occupied....

Embodiment 3

[0037] The third embodiment is a method for sending data. Referring to FIG. 2, the method may include:

[0038] 201. According to the message reported by the receiving end, determine whether the receiving end supports transmit diversity.

[0039]The receiving end reports whether it supports transmit diversity, and according to the message reported by the receiving end, it is judged whether the receiving end supports transmit diversity.

[0040] Refer to 101 in the first embodiment for the method of judging whether the receiving end supports transmit diversity.

[0041] 202. When the receiving end does not support transmit diversity, select a transmitting antenna.

[0042] You can select the transmitting antennas in order, or select the transmitting antennas according to the load, that is, each antenna can transmit data in turn; or the antenna with the lowest load can transmit data.

[0043] For the specific method of selecting an antenna, refer to 102 in the first embodiment.

[0...

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Abstract

The embodiment of the invention discloses a data transmitting method, a device, and a base station. The method includes determining whether a receiving end supports the transmitting sub-collection according to the information reported by the receiving end; and selecting an antenna to transmit the data when the receiving end does not support the transmitting sub-collection. The transmitting method, the device, and the base station provided by the embodiment of the invention judges whether the receiving end supports the transmitting sub-collection, selects the antenna to transmit the data when the receiving end does not support the transmitting sub-collection. The data is transmitted only on the selected antenna, thereby not occupying the transmitting load of the unselected antenna, therefore, the invention can balance the transmitting loads on all antennas, can take full advantage of the transmitting power, and can improve the power utilization rate.

Description

Technical field [0001] The present invention relates to the field of communications, and in particular to a method, device and base station for data transmission. Background technique [0002] With the rapid development of mobile communication technology, in order to enhance the downlink capacity, multiple input multiple output (MIMO) technology has been introduced. The introduction of MIMO technology requires the support of transmit diversity. According to the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) protocol, the terminal (UE) is mandatory to support transmit diversity. Therefore, the network side defaults that all UEs support transmit diversity. However, in actual networks, not all UEs implement support for transmit diversity according to the protocol. The network side uses transmit diversity to send data. The data is sent from the main transmit antenna and the slave transmit antenna. If it is a UE that supports transmit diversity, it can r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/02H04L1/06
Inventor 吴凤娟李靖吕芳芳
Owner XFUSION DIGITAL TECH CO LTD
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