阅读说明：本技术 一种信号的传输方法及装置 (Signal transmission method and device ) 是由 孙欢 于 2018-11-02 设计创作，主要内容包括：本发明提供了一种信号的传输方法及装置,其中的方法包括：分别接收两个TRP发送的第一信息和第二信息；根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP。本发明有效的避免了UE向两个TRP单独发送ACK/NACK信息,从而减少了上行链路开销,并节省了UE的发射功率。(The invention provides a signal transmission method and a signal transmission device, wherein the method comprises the following steps: respectively receiving first information and second information sent by two TRPs; and returning a first signal to one of the TRPs according to a predetermined rule based on the decoding results of the first information and the second information, wherein the predetermined rule is used for indicating the TRP receiving the first signal to send a second signal to the other TRP according to the first signal. The invention effectively avoids the UE from sending ACK/NACK information to two TRPs independently, thereby reducing the uplink overhead and saving the transmitting power of the UE.)

A method for transmitting a signal, comprising:

respectively receiving first information and second information sent by two TRPs;

and returning a first signal to one of the TRPs according to a predetermined rule based on the decoding results of the first information and the second information, wherein the predetermined rule is used for indicating the TRP receiving the first signal to send a second signal to the other TRP according to the first signal.

The method of claim 1, wherein the returning a first signal to one of the TRPs according to a predetermined rule based on a result of decoding the first information and the second information comprises, when the first signal is any one of ACK or NACK,

if the first information and the second information are decoded successfully, an ACK is returned to the first TRP, so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP; or

If the first information and the second information are decoded unsuccessfully, returning NACK to the first TRP so that the first TRP sends a second signal NACK which is the same as the NACK to a second TRP; or

If the first information decoding fails and the second information decoding succeeds, an ACK is returned to the second TRP, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or

And if the first information decoding is successful and the second information decoding is failed, returning NACK to the second TRP so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.

The method of claim 1, wherein the returning a first signal to one of the TRPs according to a predetermined rule based on a result of decoding the first information and the second information comprises, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information,

if the first information and the second information are decoded successfully, an ACK and first indication information are returned to the first TRP, so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP; or

If the first information and the second information are decoded unsuccessfully, returning NACK and first indication information to a first TRP so that the first TRP sends a second signal NACK which is the same as the NACK to a second TRP; or

If the first information decoding is successful and the second information decoding is failed, returning ACK and second indication information to the first TRP so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP; or

If the first information decoding fails and the second information decoding succeeds, returning NACK and second indication information to the first TRP so that the first TRP sends a second signal ACK opposite to the NACK to the second TRP; or

If the first information decoding is successful and the second information decoding is failed, returning NACK and second indication information to the first TRP so that the first TRP sends a second signal NACK which is the same as the NACK to a second TRP; or

And if the first information decoding fails and the second information decoding succeeds, returning ACK and second indication information to the first TRP so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP.

The method of claim 1, the predetermined rules further comprising,

a detection window for the first signal and the second signal is pre-configured for each TRP.

The method of claim 4, the first and second signals comprising,

identification information for indicating each HARQ.

A method for transmitting a signal, further comprising,

receiving a first signal which is sent by UE according to decoding results of first information and second information sent by two received TRPs according to a preset rule;

and sending a second signal to the other TRP according to the first signal and a preset rule.

The method of claim 6, wherein the transmitting a second signal to the other of the TRPs according to the first signal according to a predetermined rule includes, when the first signal is any one of ACK or NACK,

transmitting a second signal identical to the first signal to another of the TRPs; or

Transmitting a second signal opposite to the first signal to the other of the TRPs.

The method of claim 6, wherein the transmitting a second signal to another of the TRPs according to a predetermined rule based on the first signal comprises, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information,

transmitting a second signal identical to the first signal to another TRP according to the first indication information; or

Transmitting a second signal identical to the first signal to another one of the TRPs according to second indication information; or

And sending a second signal opposite to the first signal to the other TRP according to the second indication information.

The method of claim 6, further comprising,

the detection windows for the first signal and the second signal are preconfigured.

The method of claim 9, further comprising,

and if the first signal and/or the second signal contain identification information indicating HARQ, determining a signal corresponding to each HARQ according to the identification information.

A user equipment for signal transmission, comprising:

means for receiving first information and second information transmitted by two TRPs, respectively;

means for returning a first signal to one of the TRPs according to a predetermined rule based on a result of decoding the first information and the second information, the predetermined rule indicating that the TRP that received the first signal transmits a second signal to another of the TRPs based on the first signal.

The user equipment as claimed in claim 11, wherein the means for returning a first signal to one of the TRPs according to a predetermined rule based on the decoding results of the first information and the second information when the first signal is any one of ACK or NACK, the predetermined rule for instructing the TRP receiving the first signal to transmit a second signal to the other of the TRPs according to the first signal comprises,

if the first information and the second information are decoded successfully, an ACK is returned to the first TRP, so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP; or

Means for returning a NACK to the first TRP if both the first information and the second information fail to be decoded, so that the first TRP transmits a second signal NACK, which is the same as the NACK, to the second TRP; or

If the first information decoding fails and the second information decoding succeeds, an ACK is returned to the second TRP, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or

And if the first information decoding is successful and the second information decoding is failed, returning NACK to the second TRP so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.

The user equipment as claimed in claim 11, wherein the means for returning a first signal to one of the TRPs according to a predetermined rule based on a result of decoding the first information and the second information when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the predetermined rule for instructing the TRP receiving the first signal to transmit a second signal to another of the TRPs according to the first signal comprises,

if the first information and the second information are decoded successfully, returning ACK and first indication information to the first TRP so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP; or

Means for returning a NACK and first indication information to a first TRP if both the first information and the second information fail to be decoded, so that the first TRP transmits a second signal NACK, which is the same as the NACK, to a second TRP; or

If the first information is successfully decoded and the second information is unsuccessfully decoded, returning ACK and second indication information to the first TRP so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP; or

A device or a method for returning NACK and second indication information to a first TRP if a first information decoding fails and a second information decoding succeeds, so that the first TRP sends a second signal ACK opposite to the NACK to a second TRP

Means for returning NACK and second indication information to the first TRP if the first information decoding is successful and the second information decoding is unsuccessful, so that the first TRP transmits a second signal NACK, which is the same as the NACK, to the second TRP; or

And the device is used for returning ACK and second indication information to the first TRP if the first information decoding fails and the second information decoding succeeds, so that the first TRP sends a second signal ACK which is the same as the ACK to the second TRP.

A base station for signal transmission, further comprising,

means for receiving a first signal transmitted by the UE according to a predetermined rule based on decoding results of the received first information and second information transmitted by the two TRPs;

means for transmitting a second signal to another of said TRPs according to a predetermined rule based on said first signal.

The base station according to claim 14, wherein the means for transmitting a second signal to another of the TRPs according to a predetermined rule based on the first signal when the first signal is any one of ACK or NACK comprises,

means for transmitting a second signal identical to the first signal to another of said TRPs; or

Means for transmitting a second signal, opposite to the first signal, to another of said TRPs.

The base station according to claim 14, wherein when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the means for transmitting a second signal to another of the TRPs according to the first signal according to a predetermined rule comprises,

means for transmitting a second signal identical to the first signal to another of the TRPs according to the first indication information; or

Means for transmitting a second signal identical to the first signal to another of the TRPs according to second indication information; or

Means for transmitting a second signal, opposite to the first signal, to another of the TRPs according to second indication information.

The base station of claim 14, further comprising,

means for pre-configuring detection windows for the first signal and the second signal.

The base station of claim 17, further comprising,

and if the first signal and/or the second signal contain identification information indicating HARQ, determining a signal corresponding to each HARQ according to the identification information.