Method and apparatus for supporting transmission adaptation
地域：
Stockholm
摘要
Various embodiments of the present disclosure provide a method for supporting transmission adaptation. The method which may be performed by a terminal device comprises receiving, from a network node, signaling information indicating an adjustment amount of a parameter for a transmission from the terminal device to the network node. The transmission is based at least in part on a semi-static scheduling configuration for the terminal device by the network node. According to the embodiments of the present disclosure, the transmission adaptation for uplink transmission with semi-static scheduling configuration can be implemented flexibly and efficiently.
說(shuō)明書(shū)
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The present disclosure generally relates to communication networks, and more specifically, to transmission adaptation in a communication network.
This section introduces aspects that may facilitate a better understanding of the disclosure. Accordingly, the statements of this section are to be read in this light and are not to be understood as admissions about what is in the prior art or what is not in the prior art.
Communication service providers and network operators have been continually facing challenges to deliver value and convenience to consumers by, for example, providing compelling network services and performance. With the rapid development of networking and communication technologies, wireless communication networks such as long-term evolution (LTE) and new radio (NR) networks are expected to achieve high traffic capacity and end-user data rate. In addition to the licensed band, a wireless communication network can also support communications on the unlicensed band to increase network capacity. In order to meet data transmission requirements, the wireless communication network can perform a scheduling procedure to allocate radio resource and configure transmissions for a terminal device such as user equipment (UE) according to a scheduling request (SR) and link quality of the terminal device. Considering the variability of the network environment and channel conditions, it is desirable to achieve transmission adaptation to enhance the network performance.
權(quán)利要求
What is claimed is:1. A method performed by a terminal device, comprising:receiving, from a network node, signaling information indicating an adjustment amount of a parameter for a transmission from the terminal device to the network node, wherein the transmission is based at least in part on a semi-static scheduling configuration for the terminal device by the network node. 2. The method of claim 1 , wherein the indication of the adjustment amount of the parameter by the signaling information enables the terminal device to adjust at least one of:the parameter corresponding to the adjustment amount; and one or more other parameters for the transmission from the terminal device to the network node. 3. The method of claim 2 , wherein the adjustment to the one or more other parameters are based at least in part on the adjustment to the parameter. 4. The method of claim 1 , wherein the adjustment amount of the parameter is determined per cell, per carrier, per bandwidth part, per sub-band, per channel, per terminal device, or per semi-static scheduling configuration; and/orwherein the adjustment amount of the parameter is applicable to one or more semi-static scheduling configurations. 5. The method of claim 4 , wherein the signaling information indicates the one or more semi-static scheduling configurations by at least one of:a bitmap; an index; and an identifier of a hybrid automatic repeat request process. 6. The method of claim 1 , further comprising:receiving first downlink feedback information from the network node, wherein the first downlink feedback information indicates to the terminal device how to process second downlink feedback information from the network node, and wherein the signaling information is carried in the second downlink feedback information. 7. The method of claim 6 , wherein the second downlink feedback information is sharable by the terminal device with one or more other terminal devices. 8. The method of claim 1 , wherein the signaling information indicates a time at which the adjustment amount of the parameter is to be applied by the terminal device. 9. The method of claim 1 , further comprising:transmitting a control element for medium access control to the network node to confirm reception of the signaling information by the terminal device, wherein the control element for medium access control indicates at least one of a semi-static scheduling configuration, a cell, a carrier, a bandwidth part, a sub-band and a channel, to confirm reception of the associated adjustment amount of the parameter by the terminal device. 10. The method of claim 9 , wherein the transmission from the terminal device to the network node is for uplink traffic of the terminal device, and wherein no transmission for the uplink traffic has been scheduled to the network node prior to the transmission of the control element for medium access control to the network node. 11. A method performed by a network node, comprising:determining an adjustment amount of a parameter for a transmission from a terminal device to the network node, wherein the transmission is based at least in part on a semi-static scheduling configuration for the terminal device by the network node; and transmitting signaling information to the terminal device to indicate the adjustment amount of the parameter. 12. The method of claim 11 , wherein the indication of the adjustment amount of the parameter by the signaling information enables the terminal device to adjust at least one of:the parameter corresponding to the adjustment amount; and one or more other parameters for the transmission from the terminal device to the network node. 13. The method of claim 12 , wherein the adjustment to the one or more other parameters are based at least in part on the adjustment to the parameter. 14. The method of claim 11 , wherein the adjustment amount of the parameter is determined per cell, per carrier, per bandwidth part, per sub-band, per channel, per terminal device, or per semi-static scheduling configuration. 15. The method of claim 11 , wherein the adjustment amount of the parameter is applicable to one or more semi-static scheduling configurations. 16. The method of claim 11 , further comprising:transmitting first downlink feedback information to the terminal device, wherein the first downlink feedback information indicates to the terminal device how to process second downlink feedback information from the network node, and wherein the signaling information is carried in the second downlink feedback information. 17. The method of claim 11 , wherein the signaling information indicates a time at which the adjustment amount of the parameter is to be applied by the terminal device. 18. The method of claim 11 , further comprising:receiving a control element for medium access control from the terminal device to confirm reception of the signaling information by the terminal device, wherein the control element for medium access control indicates at least one of a semi-static scheduling configuration, a cell, a carrier, a bandwidth part, a sub-band and a channel, to confirm reception of the associated adjustment amount of the parameter by the terminal device. 19. The method of claim 18 , wherein the transmission from the terminal device to the network node is for uplink traffic of the terminal device, and wherein no transmission for the uplink traffic has been scheduled to the network node prior to the reception of the control element for medium access control by the network node. 20. A terminal device, comprising:one or more processors; and one or more memories comprising computer program codes, the one or more memories and the computer program codes configured to, with the one or more processors, cause the terminal device at least to:receive, from a network node, signaling information indicating an adjustment amount of a parameter for a transmission from the terminal device to the network node, wherein the transmission is based at least in part on a semi-static scheduling configuration for the terminal device by the network node.
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