WO2019153206A1 - 一种信道传输方法及装置、计算机存储介质 - Google Patents
一种信道传输方法及装置、计算机存储介质 Download PDFInfo
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- WO2019153206A1 WO2019153206A1 PCT/CN2018/075865 CN2018075865W WO2019153206A1 WO 2019153206 A1 WO2019153206 A1 WO 2019153206A1 CN 2018075865 W CN2018075865 W CN 2018075865W WO 2019153206 A1 WO2019153206 A1 WO 2019153206A1
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- Prior art keywords
- bwp
- control information
- terminal
- channel
- predetermined rule
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0092—Indication of how the channel is divided
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a channel transmission method and apparatus, and a computer storage medium.
- LTE Long Term Evolution
- NR New Radio
- BWP Band Width Part
- the base station can configure multiple BWPs through RRC (Radio Resource Control) signaling, and then dynamically activate a BWP in Downlink Control Information (DCI).
- DCI Downlink Control Information
- Each BWP is based on a parameter set, wherein the parameter set includes a subcarrier spacing, a cyclic prefix (CP, Cyclic Prefix).
- CP cyclic prefix
- CP Cyclic Prefix
- BWP1 when BWP1 is active, if BWP2 is activated, BWP1 will be deactivated. If BWP1 is activated, BWP2 will be deactivated. If BWP1 expires, it will fall back to the default. BWP.
- the terminal Since the switching of the BWP may cause RF retuning of the terminal, the terminal must receive or transmit a signal in the new BWP after the RF retuning is completed. According to the prior art solution, as long as the switching of the activated BWP occurs, it is assumed that the terminal performs RF retuning, and during the RF retuning, the terminal does not receive or transmit signals in the new BWP, and in some cases, it should be sent and received. The data or important signaling cannot be sent and received on time, resulting in a decrease in transmission reliability and a reduction in spectral efficiency.
- an embodiment of the present invention provides a channel transmission method and apparatus, and a computer storage medium.
- the terminal determines that the transmission time corresponding to the first channel is the first time, and the BWP currently activated by the terminal is the first BWP;
- the terminal Receiving, by the terminal, the first control information that is sent by the network device, where the first control information includes first indication information, where the first indication information is used to indicate that the BWP to be activated is the second BWP;
- the terminal does not transmit the first channel at the first moment.
- the method further includes:
- the terminal transmits the first channel at the first moment.
- the method further includes:
- the terminal directly activates the second BWP and deactivates the first BWP after receiving the first control information.
- the method further includes:
- the terminal performs radio frequency re-tune after receiving the first control information, so that the activated BWP is switched from the first BWP to the Second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the terminal determines that the transmission time corresponding to the first channel is the first time, and includes:
- the terminal determines, according to the configuration or scheduling of the network device, that the transmission time corresponding to the first channel is the first time.
- the terminal receives the first control information that is sent by the network device, and includes:
- the terminal receives the first control information sent by the network device at a second moment before the first moment.
- the first channel is a Physical Downlink Control Channel (PDCCH), or a Physical Downlink Shared Channel (PDSCH), or a Physical Uplink Control Channel (PUCCH, Physical Uplink Control). Channel), or Physical Uplink Shared Channel (PUSCH), or Physical Random Access Channel (PRACH), or Channel State Information-Reference Signal (CSI-RS) , or sounding reference signal (SRS, Sounding Reference Signal).
- PDCCH Physical Downlink Control Channel
- PDSCH Physical Uplink Shared Channel
- PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Control Channel
- PRACH Physical Random Access Channel
- CSI-RS Channel State Information-Reference Signal
- SRS Sounding reference signal
- the first control information is a DCI or a Media Access Control Control Element (MAC CE).
- MAC CE Media Access Control Control Element
- the network device sends the first control information to the terminal, where the BWP currently activated by the terminal is the first BWP, the first control information includes first indication information, and the first indication information is used to indicate that the BWP to be activated is the second And the BWP, in a case that the terminal determines, according to the first control information, that the first BWP and the second BWP satisfy a predetermined rule, does not transmit the first channel at the first moment.
- the first control information is further configured to: when the terminal determines, according to the first control information, that the first BWP and the second BWP do not satisfy the predetermined rule, The first time is transmitted by the first time.
- the first control information is further used, after the first BWP and the second BWP do not satisfy the predetermined rule, after the terminal receives the first control information, The second BWP is directly activated and the first BWP is deactivated.
- the first control information is further configured to: if the first BWP and the second BWP meet a predetermined rule, the terminal performs radio frequency reset after receiving the first control information. Soing that the activated BWP is switched from the first BWP to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the method further includes:
- the network device configures or schedules, for the terminal, a transmission time corresponding to the first channel as the first time.
- the sending, by the network device, the first control information to the terminal includes:
- the network device sends the first control information to the terminal at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is DCI or MAC CE.
- a determining unit configured to determine that a transmission time corresponding to the first channel is a first moment, and that the currently activated BWP of the terminal is a first BWP;
- a receiving unit configured to receive first control information that is sent by the network device, where the first control information includes first indication information, where the first indication information is used to indicate that the BWP to be activated is the second BWP;
- a transmitting unit configured to not transmit the first channel at the first moment if the first BWP and the second BWP satisfy a predetermined rule.
- the transmitting unit is further configured to: when the first BWP and the second BWP do not satisfy the predetermined rule, transmit the first channel at the first moment.
- the device further includes:
- a first switching unit if the first BWP and the second BWP do not satisfy the predetermined rule, after the first control information is received, directly activate the second BWP and deactivate the First BWP.
- the device further includes:
- a second switching unit configured to perform radio frequency re-tune after receiving the first control information, so that the activated BWP is used by the first BWP, if the first BWP and the second BWP meet a predetermined rule Switch to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the determining unit is configured to determine, according to the configuration or scheduling of the network device, that the transmission time corresponding to the first channel is the first time.
- the receiving unit is configured to receive the first control information sent by the network device at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is DCI or MAC CE.
- a sending unit configured to send the first control information to the terminal, where the BWP currently activated by the terminal is a first BWP, the first control information includes first indication information, and the first indication information is used to indicate a BWP to be activated. And being the second BWP, in a case that the terminal determines, according to the first control information, that the first BWP and the second BWP satisfy a predetermined rule, the first channel is not transmitted at the first moment.
- the first control information is further configured to: when the terminal determines, according to the first control information, that the first BWP and the second BWP do not satisfy the predetermined rule, The first time is transmitted by the first time.
- the first control information is further used, after the first BWP and the second BWP do not satisfy the predetermined rule, after the terminal receives the first control information, The second BWP is directly activated and the first BWP is deactivated.
- the first control information is further configured to: if the first BWP and the second BWP meet a predetermined rule, the terminal performs radio frequency reset after receiving the first control information. Soing that the activated BWP is switched from the first BWP to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the device further includes:
- a configuration unit configured to configure or schedule, for the terminal, a transmission time corresponding to the first channel as the first time.
- the sending unit is configured to send the first control information to the terminal at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is DCI or MAC CE.
- the computer storage medium provided by the embodiment of the present invention has stored thereon computer executable instructions, and the computer executable instructions are implemented by the processor to implement the channel transmission method.
- the terminal determines that the transmission time corresponding to the first channel is the first time, the bandwidth part BWP that is currently activated by the terminal is the first BWP, and the terminal receives the first control information sent by the network device,
- the first control information includes first indication information, where the first indication information is used to indicate that the BWP to be activated is a second BWP; if the first BWP and the second BWP meet a predetermined rule, the terminal The first channel is not transmitted at the first moment.
- the terminal when the terminal switches from the first BWP to the second BWP, it is determined whether the terminal needs to perform RF retuing according to a predetermined rule, so as to determine whether the terminal can transmit signals in the new BWP during the BWP handover process. Unnecessary BWP switching intervals are avoided, improving transmission reliability and spectrum efficiency.
- Figure 1 is a schematic diagram showing that only one BWP can be activated
- FIG. 2 is a schematic flowchart 1 of a channel transmission method according to an embodiment of the present invention.
- FIG. 3 is a second schematic flowchart of a channel transmission method according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of the center frequency point and the bandwidth of the WP1 and the BWP2 being inconsistent, and the terminal needs RF retuning to switch the BWP according to the embodiment of the present invention
- FIG. 5 is a schematic diagram of the BPF1 and the BWP2 having the same center frequency and bandwidth, and the terminal does not need RF retuning to switch the BWP according to the embodiment of the present invention
- FIG. 6 is a schematic diagram of a frequency range of the BWP 2 in the frequency range of the BWP 1 according to an embodiment of the present invention, where the terminal does not need RF retuning to switch the BWP;
- FIG. 7 is a first schematic structural diagram of a channel transmission apparatus according to an embodiment of the present invention.
- FIG. 8 is a second schematic structural diagram of a channel transmission apparatus according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
- the channel transmission method includes the following steps:
- Step 201 The terminal determines that the transmission time corresponding to the first channel is the first time, and the BWP currently activated by the terminal is the first BWP.
- the terminal may be any device capable of communicating with a network, such as a mobile phone, a tablet computer, a notebook computer, or a desktop computer.
- the network device may be a base station, for example, a gNB of a 5G system.
- the terminal determines, according to the configuration or scheduling of the network device, that the transmission time corresponding to the first channel is the first time. That is, according to the configuration or scheduling of the network device, the terminal should transmit the first channel at the first moment.
- Step 202 The terminal receives the first control information sent by the network device, where the first control information includes first indication information, where the first indication information is used to indicate that the BWP to be activated is the second BWP.
- the terminal receives the first control information sent by the network device at a second moment before the first moment. For example, the terminal receives the first control information at time t1, and it is expected that the first channel needs to be transmitted at time t2 (later than time t1). If the switching between the first BWP and the second BWP requires radio frequency re-tuning, The first channel may not be transmitted at time t2. If the switching between the first BWP and the second BWP does not require radio frequency re-tuning, the second BWP may be directly used to transmit the message after receiving the first control information. In this case, the first channel can be transmitted at time t2.
- the first channel may be any type of channel or signal, for example, the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS. , or SRS.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS. , or SRS.
- the first control information is a DCI or a MAC CE.
- Step 203 If the first BWP and the second BWP meet a predetermined rule, the terminal does not transmit the first channel at the first moment.
- the terminal transmits the first channel at the first moment.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the terminal does not need the RF retunin, based on this, 1 If the first BWP and the second BWP do not satisfy the predetermined rule, the terminal directly activates the second BWP and deactivates the first BWP after receiving the first control information. 2) if the first BWP and the second BWP satisfy a predetermined rule, the terminal performs radio frequency re-tune after receiving the first control information, so that the activated BWP is switched by the first BWP. To the second BWP.
- FIG. 3 is a schematic flowchart 2 of a channel transmission method according to an embodiment of the present invention. As shown in FIG. 3, the channel transmission method includes the following steps:
- Step 301 The network device sends the first control information to the terminal, where the BWP currently activated by the terminal is the first BWP, the first control information includes first indication information, and the first indication information is used to indicate the BWP to be activated. And being the second BWP, in a case that the terminal determines, according to the first control information, that the first BWP and the second BWP satisfy a predetermined rule, the first channel is not transmitted at the first moment.
- the first control information is further configured to: when the terminal determines, according to the first control information, that the first BWP and the second BWP do not satisfy the predetermined rule, The first time is transmitted by the first time.
- the first control information is further configured to: after the first BWP and the second BWP do not meet the predetermined rule, after the terminal receives the first control information, The second BWP is directly activated and the first BWP is deactivated.
- the first control information is further configured to: if the first BWP and the second BWP meet a predetermined rule, the terminal performs radio frequency reset after receiving the first control information. Soing that the activated BWP is switched from the first BWP to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the network device configures or schedules a transmission time corresponding to the first channel as the first time.
- the network device sends the first control information to the terminal at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is a DCI or a MAC CE.
- Example 1 The center frequency of BWP1 and BWP2 is inconsistent with the bandwidth.
- the terminal needs RF retuning to switch BWP.
- the center frequency of BWP1 and BWP2 is inconsistent with the bandwidth.
- the terminal After receiving the DCI (first control information) that activates BWP2, the terminal needs RF retuning. After RF retuning is completed, BWP2 can be used. During RF retuning. The terminal cannot transmit the channel on BWP2.
- Example 2 The center frequency of BWP1 and BWP2 is the same as the bandwidth, and the terminal does not need RF retuning to switch BWP.
- the center frequency of BWP1 and BWP2 is the same as the bandwidth.
- the terminal does not need RF retuning.
- the BWP2 After receiving the DCI (first control information) of the activated BWP2, the BWP2 can be used to transmit the first channel.
- the terminal when the terminal is switched from BWP1 to BWP2, it is determined whether the terminal needs to perform RF retuing according to a predetermined rule, thereby determining whether the terminal can transmit signals in the new BWP (ie, BWP2) during the BWP handover process, thereby avoiding Unnecessary BWP switching intervals improve transmission reliability and spectral efficiency.
- a predetermined rule thereby determining whether the terminal can transmit signals in the new BWP (ie, BWP2) during the BWP handover process, thereby avoiding Unnecessary BWP switching intervals improve transmission reliability and spectral efficiency.
- Example 3 The frequency range of BWP2 is within the frequency range of BWP1, and the terminal does not need RF retuning to switch BWP.
- the frequency range of BWP2 is within the frequency range of BWP1, and the terminal does not need RF retuning.
- the BWP2 After receiving the DCI (first control information) of the activated BWP2, the BWP2 can be used to transmit the first channel immediately.
- the terminal when the terminal is switched from BWP1 to BWP2, it is determined whether the terminal needs to perform RF retuing according to a predetermined rule, thereby determining whether the terminal can transmit signals in the new BWP (ie, BWP2) during the BWP handover process, thereby avoiding Unnecessary BWP switching intervals improve transmission reliability and spectral efficiency.
- a predetermined rule thereby determining whether the terminal can transmit signals in the new BWP (ie, BWP2) during the BWP handover process, thereby avoiding Unnecessary BWP switching intervals improve transmission reliability and spectral efficiency.
- FIG. 7 is a first schematic structural diagram of a channel transmission apparatus according to an embodiment of the present invention. As shown in FIG. 7, the channel transmission apparatus includes:
- the determining unit 701 is configured to determine that the transmission time corresponding to the first channel is the first time, and the BWP currently activated by the terminal is the first BWP;
- the receiving unit 702 is configured to receive first control information that is sent by the network device, where the first control information includes first indication information, where the first indication information is used to indicate that the BWP to be activated is the second BWP;
- the transmitting unit 703 is configured to not transmit the first channel at the first moment if the first BWP and the second BWP satisfy a predetermined rule.
- the transmitting unit 703 is further configured to: when the first BWP and the second BWP do not satisfy the predetermined rule, transmit the first channel at the first moment.
- the device further includes:
- the first switching unit 704 is configured to: if the first BWP and the second BWP do not satisfy the predetermined rule, directly activate the second BWP and deactivate the terminal after receiving the first control information Said the first BWP.
- the device further includes:
- a second switching unit 705 configured to perform radio frequency re-tune after receiving the first control information, if the first BWP and the second BWP meet a predetermined rule, to enable the activated BWP by the first The BWP switches to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the determining unit 701 is configured to determine, according to the configuration or scheduling of the network device, that the transmission time corresponding to the first channel is the first time.
- the receiving unit 702 is configured to receive first control information sent by the network device at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is a DCI or a MAC CE.
- the implementation functions of the units in the channel transmission apparatus shown in FIG. 7 can be understood by referring to the related description of the foregoing channel transmission method.
- the functions of the units in the channel transmission apparatus shown in FIG. 7 can be realized by a program running on a processor, or can be realized by a specific logic circuit.
- FIG. 8 is a schematic structural diagram of a structure of a channel transmission apparatus according to an embodiment of the present invention. As shown in FIG. 8, the channel transmission apparatus includes:
- the sending unit 801 is configured to send the first control information to the terminal, where the BWP currently activated by the terminal is the first BWP, and the first control information includes first indication information, where the first indication information is used to indicate that the terminal is to be activated.
- the BWP is the second BWP, so that the terminal determines that the first BWP and the second BWP satisfy the predetermined rule based on the first control information, and does not transmit the first channel at the first moment.
- the first control information is further configured to: when the terminal determines, according to the first control information, that the first BWP and the second BWP do not satisfy the predetermined rule, The first time is transmitted by the first time.
- the first control information is further configured to: after the first BWP and the second BWP do not meet the predetermined rule, after the terminal receives the first control information, The second BWP is directly activated and the first BWP is deactivated.
- the first control information is further configured to: if the first BWP and the second BWP meet a predetermined rule, the terminal performs radio frequency reset after receiving the first control information. Soing that the activated BWP is switched from the first BWP to the second BWP.
- the predetermined rule includes at least one of the following:
- the center frequency points of the first BWP and the second BWP are inconsistent;
- the bandwidths of the first BWP and the second BWP are inconsistent;
- the frequency domain range of the second BWP is beyond a frequency domain range of the second BWP
- the radio frequency bandwidth capability of the terminal cannot cover the frequency domain range of the first BWP and the frequency domain range of the second BWP at the same time.
- the device further includes:
- the configuration unit 802 is configured to configure or schedule, for the terminal, a transmission time corresponding to the first channel as the first time.
- the sending unit 801 is configured to send the first control information to the terminal at a second moment before the first moment.
- the first channel is a PDCCH, or a PDSCH, or a PUCCH, or a PUSCH, or a PRACH, or a CSI-RS, or an SRS.
- the first control information is a DCI or a MAC CE.
- the implementation functions of the units in the channel transmission apparatus shown in FIG. 8 can be understood by referring to the related description of the foregoing channel transmission method.
- the functions of the units in the channel transmission apparatus shown in FIG. 8 can be realized by a program running on a processor, or can be realized by a specific logic circuit.
- Embodiments of the Invention may be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a stand-alone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
- a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
- program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
- the embodiment of the present invention further provides a computer storage medium, wherein the computer executable instructions are stored, and the computer executable instructions are executed by the processor to implement the channel transmission method of the embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
- the computer device may be a terminal or a network device.
- computer device 100 may include one or more (only one shown) processor 1002 (processor 1002 may include, but is not limited to, a Micro Controller Unit (MCU) or a programmable logic device.
- a processing device such as an FPGA (Field Programmable Gate Array), a memory 1004 for storing data, and a transmission device 1006 for a communication function.
- FPGA Field Programmable Gate Array
- FIG. 9 is merely illustrative and does not limit the structure of the above electronic device.
- computer device 100 may also include more or fewer components than shown in FIG. 9, or have a different configuration than that shown in FIG.
- the memory 1004 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the method in the embodiment of the present invention, and the processor 1002 executes various functional applications by running software programs and modules stored in the memory 1004. And data processing, that is, to achieve the above method.
- Memory 1004 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
- memory 1004 can further include memory remotely located relative to processor 1002, which can be connected to computer device 100 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- Transmission device 1006 is for receiving or transmitting data via a network.
- the network specific examples described above may include a wireless network provided by a communication provider of computer device 100.
- the transmission device 1006 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
- the transmission device 1006 can be a radio frequency (RF) module for communicating with the Internet wirelessly.
- NIC Network Interface Controller
- RF radio frequency
- the disclosed method and smart device may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
- the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
- the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one second processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
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Abstract
Description
Claims (37)
- 一种信道传输方法,所述方法包括:终端确定第一信道对应的传输时间为第一时刻,所述终端当前激活的带宽部分BWP为第一BWP;所述终端接收网络设备发送的第一控制信息,所述第一控制信息包括第一指示信息,所述第一指示信息用于指示待激活的BWP为第二BWP;如果所述第一BWP和所述第二BWP满足预定规则,则所述终端在所述第一时刻不传输所述第一信道。
- 根据权利要求1所述的方法,其中,所述方法还包括:如果所述第一BWP和所述第二BWP不满足所述预定规则,则所述终端在所述第一时刻传输所述第一信道。
- 根据权利要求2所述的方法,其中,所述方法还包括:如果所述第一BWP和所述第二BWP不满足所述预定规则,则所述终端在收到所述第一控制信息后,直接激活所述第二BWP并去激活所述第一BWP。
- 根据权利要求1至3任一项所述的方法,其中,所述方法还包括:如果所述第一BWP和所述第二BWP满足预定规则,则所述终端在收到所述第一控制信息后进行射频重调,以使激活的BWP由所述第一BWP切换到所述第二BWP。
- 根据权利要求1至4任一项所述的方法,其中,所述预定规则包括以下至少之一:所述第一BWP和所述第二BWP的中心频点不一致;所述第一BWP和所述第二BWP的带宽大小不一致;所述第二BWP的频域范围超出了所述第二BWP的频域范围;所述终端的射频带宽能力不能够同时覆盖所述第一BWP的频域范围和所述第二BWP的频域范围。
- 根据权利要求1至5任一项所述的方法,其中,所述终端确定第一信道对应的传输时间为第一时刻,包括:所述终端按照网络设备的配置或调度,确定第一信道对应的传输时间为第一时刻。
- 根据权利要求1至6任一项所述的方法,其中,所述终端接收网络设备发送的第一控制信息,包括:所述终端在所述第一时刻之前的第二时刻接收网络设备发送的第一控制信息。
- 根据权利要求1至7任一项所述的方法,其中,所述第一信道为 物理下行控制信道PDCCH、或物理下行共享信道PDSCH、或物理上行控制信道PUCCH、或物理上行共享信道PUSCH、或物理随机接入信道PRACH、或信道状态信息参考信号CSI-RS、或探测参考信号SRS。
- 根据权利要求1至8任一项所述的方法,其中,所述第一控制信息为下行控制信息DCI或媒体访问控制控制元素MAC CE。
- 一种信道传输方法,所述方法包括:网络设备向终端发送第一控制信息,所述终端当前激活的BWP为第一BWP,所述第一控制信息包括第一指示信息,所述第一指示信息用于指示待激活的BWP为第二BWP,以使所述终端基于所述第一控制信息确定出所述第一BWP和所述第二BWP满足预定规则的情况下,在第一时刻不传输第一信道。
- 根据权利要求10所述的方法,其中,所述第一控制信息还用于:所述终端基于所述第一控制信息确定出所述第一BWP和所述第二BWP不满足所述预定规则的情况下,在所述第一时刻传输所述第一信道。
- 根据权利要求11所述的方法,其中,所述第一控制信息还用于:如果所述第一BWP和所述第二BWP不满足所述预定规则,则所述终端在收到所述第一控制信息后,直接激活所述第二BWP并去激活所述第一BWP。
- 根据权利要求10至12任一项所述的方法,其中,所述第一控制信息还用于:如果所述第一BWP和所述第二BWP满足预定规则,则所述终端在收到所述第一控制信息后进行射频重调,以使激活的BWP由所述第一BWP切换到所述第二BWP。
- 根据权利要求10至13任一项所述的方法,其中,所述预定规则包括以下至少之一:所述第一BWP和所述第二BWP的中心频点不一致;所述第一BWP和所述第二BWP的带宽大小不一致;所述第二BWP的频域范围超出了所述第二BWP的频域范围;所述终端的射频带宽能力不能够同时覆盖所述第一BWP的频域范围和所述第二BWP的频域范围。
- 根据权利要求10至14任一项所述的方法,其中,所述方法还包括:所述网络设备为所述终端配置或调度第一信道对应的传输时间为第一时刻。
- 根据权利要求10至15任一项所述的方法,其中,所述网络设备向终端发送第一控制信息,包括:所述网络设备在所述第一时刻之前的第二时刻向所述终端发送所述第一控制信息。
- 根据权利要求10至16任一项所述的方法,其中,所述第一信 道为PDCCH、或PDSCH、或PUCCH、或PUSCH、或PRACH、或CSI-RS、或SRS。
- 根据权利要求10至17任一项所述的方法,其中,所述第一控制信息为DCI或MAC CE。
- 一种信道传输装置,所述装置包括:确定单元,用于确定第一信道对应的传输时间为第一时刻,所述终端当前激活的BWP为第一BWP;接收单元,用于接收网络设备发送的第一控制信息,所述第一控制信息包括第一指示信息,所述第一指示信息用于指示待激活的BWP为第二BWP;传输单元,用于如果所述第一BWP和所述第二BWP满足预定规则,则在所述第一时刻不传输所述第一信道。
- 根据权利要求19所述的装置,其中,所述传输单元,还用于如果所述第一BWP和所述第二BWP不满足所述预定规则,则在所述第一时刻传输所述第一信道。
- 根据权利要求20所述的装置,其中,所述装置还包括:第一切换单元,用于如果所述第一BWP和所述第二BWP不满足所述预定规则,则在收到所述第一控制信息后,直接激活所述第二BWP并去激活所述第一BWP。
- 根据权利要求19至21任一项所述的装置,其中,所述装置还包括:第二切换单元,用于如果所述第一BWP和所述第二BWP满足预定规则,则在收到所述第一控制信息后进行射频重调,以使激活的BWP由所述第一BWP切换到所述第二BWP。
- 根据权利要求19至22任一项所述的装置,其中,所述预定规则包括以下至少之一:所述第一BWP和所述第二BWP的中心频点不一致;所述第一BWP和所述第二BWP的带宽大小不一致;所述第二BWP的频域范围超出了所述第二BWP的频域范围;所述终端的射频带宽能力不能够同时覆盖所述第一BWP的频域范围和所述第二BWP的频域范围。
- 根据权利要求19至23任一项所述的装置,其中,所述确定单元,用于按照网络设备的配置或调度,确定第一信道对应的传输时间为第一时刻。
- 根据权利要求19至24任一项所述的装置,其中,所述接收单元,用于在所述第一时刻之前的第二时刻接收网络设备发送的第一控制信息。
- 根据权利要求19至25任一项所述的装置,其中,所述第一信 道为PDCCH、或PDSCH、或PUCCH、或PUSCH、或PRACH、或CSI-RS、或SRS。
- 根据权利要求19至26任一项所述的装置,其中,所述第一控制信息为DCI或MAC CE。
- 一种信道传输装置,所述装置包括:发送单元,用于向终端发送第一控制信息,所述终端当前激活的BWP为第一BWP,所述第一控制信息包括第一指示信息,所述第一指示信息用于指示待激活的BWP为第二BWP,以使所述终端基于所述第一控制信息确定出所述第一BWP和所述第二BWP满足预定规则的情况下,在第一时刻不传输第一信道。
- 根据权利要求28所述的装置,其中,所述第一控制信息还用于:所述终端基于所述第一控制信息确定出所述第一BWP和所述第二BWP不满足所述预定规则的情况下,在所述第一时刻传输所述第一信道。
- 根据权利要求29所述的装置,其中,所述第一控制信息还用于:如果所述第一BWP和所述第二BWP不满足所述预定规则,则所述终端在收到所述第一控制信息后,直接激活所述第二BWP并去激活所述第一BWP。
- 根据权利要求28至30任一项所述的装置,其中,所述第一控制信息还用于:如果所述第一BWP和所述第二BWP满足预定规则,则所述终端在收到所述第一控制信息后进行射频重调,以使激活的BWP由所述第一BWP切换到所述第二BWP。
- 根据权利要求28至31任一项所述的装置,其中,所述预定规则包括以下至少之一:所述第一BWP和所述第二BWP的中心频点不一致;所述第一BWP和所述第二BWP的带宽大小不一致;所述第二BWP的频域范围超出了所述第二BWP的频域范围;所述终端的射频带宽能力不能够同时覆盖所述第一BWP的频域范围和所述第二BWP的频域范围。
- 根据权利要求28至32任一项所述的装置,其中,所述装置还包括:配置单元,用于为所述终端配置或调度第一信道对应的传输时间为第一时刻。
- 根据权利要求28至33任一项所述的装置,其中,所述发送单元,用于在所述第一时刻之前的第二时刻向所述终端发送所述第一控制信息。
- 根据权利要求28至34任一项所述的装置,其中,所述第一信道为PDCCH、或PDSCH、或PUCCH、或PUSCH、或PRACH、或CSI-RS、或SRS。
- 根据权利要求28至35任一项所述的装置,其中,所述第一控制信息为DCI或MAC CE。
- 一种计算机存储介质,其上存储有计算机可执行指令,该计算机可执行指令被处理器执行时实现权利要求1至9任一项所述的方法步骤,或者权利要求10至18任一项所述的方法步骤。
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EP18904666.7A EP3749015A1 (en) | 2018-02-08 | 2018-02-08 | Channel transmission method and device, and computer storage medium |
CN201880088721.9A CN111684836A (zh) | 2018-02-08 | 2018-02-08 | 一种信道传输方法及装置、计算机存储介质 |
JP2020542738A JP2021518065A (ja) | 2018-02-08 | 2018-02-08 | チャネル伝送方法および装置、コンピュータ記憶媒体 |
AU2018407193A AU2018407193A1 (en) | 2018-02-08 | 2018-02-08 | Channel transmission method and device, and computer storage medium |
PCT/CN2018/075865 WO2019153206A1 (zh) | 2018-02-08 | 2018-02-08 | 一种信道传输方法及装置、计算机存储介质 |
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INTEL CORPORATION: "On BWP switching delay", M-1800117, 3GPP TSG-RAN WG4 ADHOC MEETING #1801, 26 January 2018 (2018-01-26), XP051388506, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/wg4_radio/TSGR4_AHs/TSGR4_AH-1801/Docs/R4-1800117.zip> * |
NOKIA ET AL.: "On BWP switching delay", R4-1800742, 3GPP TSG-RAN WG4 AH 1801, 26 January 2018 (2018-01-26), XP051388357, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/wg4_radio/TSGR4_AHs/TSGR4_AH-1801/Does/R4-1800742.zip> * |
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JP2021518065A (ja) | 2021-07-29 |
US11356230B2 (en) | 2022-06-07 |
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