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Transmission pretreating method for measurement reference signal, parameter transmitting and receiving method

A technology for measuring reference signals and preprocessing, applied in the field of communication, can solve problems such as bandwidth conflicts, and achieve the effect of improving stability

Inactive Publication Date: 2009-04-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] In normal uplink subframes, UE can transmit PRACH (preamble format0~3), PUSCH, PUCCH, SRS and other channels / signals, but in UpPTS, UE can only transmit SRS and PRACH. The content of the SRS is different, and the bandwidth that can be used to send SRS is also different. Currently, a signaling is used to notify the UE of the SRS bandwidth it uses. In this way, bandwidth conflicts will occur when SRS is sent in UpPTS and ordinary uplink subframes.

Method used

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  • Transmission pretreating method for measurement reference signal, parameter transmitting and receiving method

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Embodiment 1

[0038] According to an embodiment of the present invention, a method for sending preprocessing of a measurement reference signal is provided.

[0039] According to the embodiment of the present invention, the transmission preprocessing method of the measurement reference signal includes: according to the transmission period of the measurement reference signal (SRS), determine the subframe offset of the SRS, wherein the subframe offset corresponds to the uplink pilot time slot, that is, within the UpPTS Or one or more symbols used to send the SRS in a common uplink subframe.

[0040] When the SRS period is 2ms, the subframe offset is one of the following: {a, b}, {c, d}, {a, e}, {d, e}; where a represents the first symbols, b represents the second symbol in the UpPTS, where, when there is only one symbol in the UpPTS, a or b represents the symbol in the UpPTS, c represents the symbol in the first normal uplink subframe, and d represents the second symbol in the UpPTS A symbol ...

Embodiment 2

[0073] According to an embodiment of the present invention, a method for preprocessing SRS transmission is provided.

[0074] Figure 5 is a flow chart of the SRS transmission preprocessing method according to an embodiment of the present invention, such as Figure 5 As shown, the method includes:

[0075] Step S502, according to the period of the SRS, determine the subframe offset of the SRS, wherein the subframe offset corresponds to UpPTS and / or a plurality of symbols used to send the SRS in the normal uplink subframe;

[0076] Step S504, setting the correspondence between the period of the SRS, the subframe offset of the SRS, and the bandwidth occupied by the SRS in the UpPTS.

[0077] The above method will be described in detail below.

[0078] When the SRS period is 2ms, each group of subframe offsets corresponds to 2 SC-FDMA symbols used to send SRS, and these two symbols are located in UpPTS and normal uplink subframes, that is, SRS can be sent in UpPTS , can also ...

Embodiment 3

[0084] According to an embodiment of the present invention, a parameter sending method is provided.

[0085] The parameter receiving and sending according to the embodiment of the present invention includes: establishing a first correspondence between the SRS parameter index, the SRS transmission period, and the SRS subframe offset; and / or establishing the SRS parameter index and the SRS transmission period , the subframe offset of the SRS, and the second corresponding relationship between the bandwidth occupied by the SRS in the UpPTS; storing the first corresponding relationship and / or the second relationship at the base station and the terminal side; measuring the subframe offset of the reference signal and / or the bandwidth occupied by the SRS in the UpPTS, determine the parameter index value of the SRS according to the first correspondence and / or the second correspondence, and send the parameter index value of the SRS to the terminal.

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Abstract

The invention discloses a transmitting pretreatment method for measuring a reference signal, and a parameter transmitting and receiving method; wherein, the transmitting pretreatment method for measuring the reference signal comprises determining subframe offset of the measuring reference signal according to the period of transmission of the measuring reference signal; wherein, when the subframe offset is corresponding to an upward pilot frequency time slot, namely, an UpPTS or a common upward subframe is internally used for transmitting one or a plurality of signals of the measuring reference signal. By virtue of the method, bandwidth collision caused by UpPTS or a common upward subframe internally transmitting SRS is solved and the stability of a system is increased.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for sending preprocessing of a measurement reference signal, and a method for sending and receiving parameters. Background technique [0002] FIG. 1 shows a schematic diagram of a frame structure in a Time Division Duplex (TDD for short) mode of an LTE system, and the frame structure is also called a second type frame structure (ie, frame structure type 2). In this frame structure, a 10ms (307200Ts, 1ms=30720Ts) wireless frame is divided into two half-frames, the length of each half-frame is 5ms (153600Ts), and each half-frame contains 5 lengths of 1ms of subframes. [0003] Table 1 shows the configuration of the uplink signal / downlink signal of each subframe in the frame structure shown in Figure 1, where D represents the downlink subframe used to transmit downlink signals, and U represents the uplink subframe used to transmit uplink signals Subframes (or ordinary uplink sub...

Claims

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Application Information

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IPC IPC(8): H04W4/20H04W72/04H04B7/26
Inventor 郝鹏梁春丽戴博喻斌
Owner ZTE CORP
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