WO2019028823A1 - 一种跨载波调度方法及装置 - Google Patents
一种跨载波调度方法及装置 Download PDFInfo
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- WO2019028823A1 WO2019028823A1 PCT/CN2017/097051 CN2017097051W WO2019028823A1 WO 2019028823 A1 WO2019028823 A1 WO 2019028823A1 CN 2017097051 W CN2017097051 W CN 2017097051W WO 2019028823 A1 WO2019028823 A1 WO 2019028823A1
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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
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
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- 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
- H04W72/20—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
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Definitions
- the present disclosure relates to the field of communications technologies, and in particular, to a cross-carrier scheduling method and apparatus.
- cross-carrier scheduling can be performed in order to avoid interference problems on a control channel in a heterogeneous network and to implement load balancing of control areas on different carriers.
- the other at least one carrier is scheduled by the scheduling carrier carrying the scheduling information.
- a terminal may support at least one bandwidth portion on one carrier, and the terminal may have different numerologies on different carriers or bandwidth portions.
- the terminal may have different numerologies on different carriers or bandwidth portions.
- the embodiments of the present disclosure provide a cross-carrier scheduling method and apparatus.
- a cross-carrier scheduling method is provided, the method being used in a base station, the method comprising:
- the scheduling information is used to schedule a target bandwidth portion on the at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- the sending the scheduling information to the terminal includes:
- the scheduling information is sent to the terminal by target signaling, where the target signaling includes any one of the following:
- Radio resource control signaling system information, media access control address control unit, and physical layer signaling.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- PRB indication information indicating a scheduled physical resource block PRB within the scheduled carrier.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- bandwidth portion indication information indicating a portion of the bandwidth scheduled to be scheduled within the carrier
- PRB indication information for indicating a scheduled physical resource block PRB within a scheduled bandwidth portion within a scheduled carrier.
- the information length value of the carrier indication information is a first preset value, and is set in a first preset position in the scheduling information;
- the bandwidth part indicates that the information length value of the information is a second preset value, and is set in a second preset position in the scheduling information;
- the first preset position is the same as or different from the second preset position.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB
- the association information is information associated with carrier indication information and bandwidth partial scheduling information
- the carrier indication information is information used to indicate a scheduled carrier
- the bandwidth portion indication information is used to indicate scheduled Information about the bandwidth portion.
- the association information is predefined or configured by the base station for the terminal;
- the method further includes:
- the association information is sent to the terminal by target signaling; wherein the target signaling includes any one of the following: radio resource control signaling, system information, media access control address control unit, and physical layer signaling.
- a cross-carrier scheduling method is provided, the method being used in a terminal, where the method includes:
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the determining, according to the scheduling information, a target bandwidth portion on the at least one target carrier including:
- the scheduling information includes carrier indication information indicating a scheduled carrier and PRB indication information indicating a scheduled physical resource block PRB in the scheduled carrier, the carrier indicated by the carrier indication information is used.
- the target carrier As the target carrier;
- the frequency domain resource corresponding to the PRB indication information in the target carrier is used as the target bandwidth part.
- the determining, according to the scheduling information, a target bandwidth portion on the at least one target carrier including:
- the PRB is The frequency domain resource corresponding to the indication information is used as the target bandwidth portion.
- the determining, according to the scheduling information, a target bandwidth portion on the at least one target carrier including:
- the scheduling information includes carrier indication information for indicating a scheduled carrier, bandwidth portion indication information for indicating a scheduled bandwidth portion within the scheduled carrier, and for indicating scheduled within the scheduled carrier
- the PRB indication information of the scheduled physical resource block PRB in the bandwidth part, the carrier indicated by the carrier indication information is used as the target carrier;
- the determining, according to the scheduling information, a target bandwidth portion on the at least one target carrier including:
- the scheduling information carries the association information and the PRB indication information used to indicate the scheduled physical resource block PRB, acquiring, according to the mapping relationship between the pre-stored association information and the carrier indication information and the bandwidth part indication information, Carrier indication information and bandwidth portion indication information corresponding to the association information in the scheduling information;
- a cross-carrier scheduling apparatus the apparatus being used in a base station, the apparatus comprising:
- a first sending module configured to send scheduling information to the terminal, where the scheduling information is used to schedule, by using a scheduling carrier, a target bandwidth portion on at least one target carrier across carriers;
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- the sending module includes:
- the sending submodule is configured to send scheduling information to the terminal by using target signaling, where the target signaling includes any one of the following:
- Radio resource control signaling system information, media access control address control unit, and physical layer signaling.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- PRB indication information indicating a scheduled physical resource block PRB within the scheduled carrier.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- bandwidth portion indication information indicating a portion of the bandwidth scheduled to be scheduled within the carrier
- PRB indication information for indicating a scheduled physical resource block PRB within a scheduled bandwidth portion within a scheduled carrier.
- the information length value of the carrier indication information is a first preset value, and is set in a first preset position in the scheduling information;
- the bandwidth part indicates that the information length value of the information is a second preset value, and is set in a second preset position in the scheduling information;
- the first preset position is the same as or different from the second preset position.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB
- the association information is information associated with carrier indication information and bandwidth partial scheduling information
- the carrier indication information is information used to indicate a scheduled carrier
- the bandwidth portion indication information is used to indicate scheduled Information about the portion of the bandwidth that is scheduled within the carrier.
- the association information is predefined or configured by the base station for the terminal;
- the device further includes:
- the second sending module is configured to send the association information to the terminal by using target signaling, where the target signaling includes any one of the following: radio resource control signaling, system information, and media access control address control unit. And physical layer signaling.
- a cross-carrier scheduling apparatus the apparatus being used for a terminal, the apparatus comprising:
- a receiving module configured to receive scheduling information sent by the base station
- a determining module configured to determine a target bandwidth portion on the at least one target carrier according to the scheduling information
- a bandwidth part scheduling module configured to schedule the target bandwidth part by using a scheduling carrier where the scheduling information is located;
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the determining module includes:
- a first determining submodule configured to: if the scheduling information includes carrier indication information indicating a scheduled carrier and PRB indication information indicating a scheduled physical resource block PRB in the scheduled carrier, The carrier indicated by the carrier indication information is used as the target carrier;
- a second determining submodule configured to use, as the target bandwidth part, a frequency domain resource corresponding to the PRB indication information in the target carrier.
- the determining module includes:
- the third determining submodule is configured to use the frequency domain resource corresponding to the PRB indication information as the target bandwidth part if the scheduling information includes the PRB indication information of the scheduled physical resource block PRB.
- the determining module includes:
- a fourth determining submodule configured to: if the scheduling information includes carrier indication information for indicating a scheduled carrier, bandwidth portion indication information for indicating a scheduled bandwidth portion within the scheduled carrier, and for indicating The PRB indication information of the scheduled physical resource block PRB in the scheduled bandwidth part of the scheduled carrier, the carrier indicated by the carrier indication information is used as the target carrier;
- a fifth determining submodule configured to use the bandwidth part indication information in the target carrier and a frequency domain resource corresponding to the PRB indication information as the target bandwidth part.
- the determining module includes:
- a sixth determining submodule configured to: if the scheduling information carries the association information and the PRB indication information used to indicate the scheduled physical resource block PRB, according to the pre-stored association information, the carrier indication information, and the bandwidth part indication The mapping relationship between the information, the carrier indication information and the bandwidth part indication information corresponding to the association information in the scheduling information;
- a seventh determining submodule configured to use the carrier indicated by the carrier indication information as the target carrier
- an eighth determining submodule configured to use the bandwidth part indication information in the target carrier and a frequency domain resource corresponding to the PRB indication information as the target bandwidth part.
- a computer readable storage medium storing a computer program for performing the cross-carrier scheduling method of the first aspect described above.
- a computer readable storage medium storing a computer program for performing the cross-carrier scheduling method of the second aspect described above.
- a cross-carrier scheduling apparatus the apparatus being used in a base station, including:
- a memory for storing processor executable instructions
- processor is configured to:
- the scheduling information is used to schedule a target bandwidth portion on the at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- a cross-carrier scheduling apparatus where the apparatus is used in a terminal, including:
- a memory for storing processor executable instructions
- processor is configured to:
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the base station may send scheduling information to the terminal, where the scheduling information may be used to schedule a target bandwidth portion on the at least one target carrier by scheduling the carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth part, where the bandwidth part is a frequency domain resource pre-designated on the target carrier; the target bandwidth part is on the target carrier.
- the portion of the bandwidth that is scheduled by the scheduled carrier in all of the bandwidth portions.
- the target bandwidth portion of the at least one target carrier may be scheduled by the scheduling carrier.
- the cross-carrier scheduling is implemented, the cross-bandwidth partial scheduling of the target carrier configured with the at least one bandwidth portion may be performed, so that the scheduling manner is further flexible.
- resources of different bandwidth parts on the carrier can be fully utilized, and the blocking probability of control signaling is reduced.
- the base station may send scheduling information to the terminal by using target signaling, where the target signaling includes any one of the following: radio resource control signaling, system information, media access control address control unit, and physical layer signaling. make. Easy to implement and high availability.
- the scheduling information may include carrier indication information for indicating the scheduled carrier, and is used for Indicates PRB indication information of the scheduled physical resource block PRB within the scheduled carrier.
- the target carrier may be determined by the carrier indication information, and further, the target bandwidth portion scheduled in the target carrier is determined according to the PRB indication information on the target carrier.
- the scheduling information only needs to include the PRB for indicating the scheduled physical resource block PRB. Instructions. Since all the carriers are uniformly numbered in a predefined order, the terminal can determine the scheduled target bandwidth portion according to the PRB indication information, and finally achieve the purpose of performing cross-bandwidth partial scheduling on the target carrier configured with at least one bandwidth portion.
- the base station separately numbers the physical resource blocks on each carrier configured for the terminal in a predefined order, and the bandwidth portion on each carrier is independently in units of physical resource blocks.
- the scheduling information needs to include carrier indication information for indicating the scheduled carrier, bandwidth portion indication information for indicating the scheduled bandwidth portion in the scheduled carrier, and for indicating PRB indication information of the scheduled physical resource block PRB within the scheduled bandwidth portion within the scheduled carrier.
- the terminal After determining the target carrier according to the carrier indication information, the terminal first determines, according to the bandwidth portion indication information and the PRB indication information, a target bandwidth portion that needs to be scheduled in the target carrier, thereby implementing configuring at least one bandwidth portion.
- the target carrier performs the purpose of cross-bandwidth partial scheduling.
- the information length value of the carrier indication information is a first preset value, and is set in the first preset position in the scheduling information.
- the bandwidth portion indicates that the information length value of the information is a second preset value, and is set in a second preset position in the scheduling information; wherein the first preset position and the second preset position Same or different. That is, the information length values of the carrier indication information and the bandwidth part indication information are both preset values, and are set in the scheduling information. Preset location.
- the carrier indication information and the bandwidth part indication information may be respectively carried in different areas of the scheduling information by means of independent coding, or may be carried in the same area of the scheduling information by means of joint coding. Make the configuration of scheduling information more flexible.
- the base station separately numbers the physical resource blocks on each carrier configured for the terminal in a predefined order, and the bandwidth portion on each carrier is independently in units of physical resource blocks.
- the numbering is performed in a predefined order, and the scheduling information may further include association information and PRB indication information indicating the scheduled physical resource block PRB.
- the association information is information associated with carrier indication information and bandwidth partial scheduling information, the carrier indication information is information used to indicate a scheduled carrier, and the bandwidth portion indication information is used to indicate scheduled Information about the bandwidth portion.
- the terminal may determine the carrier indication information and the bandwidth part indication information corresponding to the association information in the scheduling information according to the mapping relationship between the pre-stored association information and the carrier indication information and the bandwidth part indication information, so as to determine the target carrier according to the carrier indication information. And determining, by the bandwidth part indication information and the PRB indication information, a target bandwidth part in the target carrier, and performing the purpose of performing cross-bandwidth partial scheduling on the target carrier configured with the at least one bandwidth part.
- the foregoing association information may be predefined, or may be configured by the base station for the terminal. If the base station configures the terminal, the base station may send the association information to the terminal by using target signaling, so that the terminal may The mapping relationship between the association information pre-stored with the associated information and the carrier indication information and the bandwidth portion indication information, and the carrier indication information and the bandwidth portion indication information corresponding to the association information in the scheduling information are determined, so that the target carrier is determined according to the carrier indication information. High availability.
- the terminal after receiving the scheduling information sent by the base station, determines a target bandwidth portion on the at least one target carrier according to the scheduling information, so that the target bandwidth portion is scheduled by using the scheduling carrier where the scheduling information is located.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the cross-bandwidth partial scheduling of the target carrier configured with the at least one bandwidth portion may be performed, so that the scheduling manner is further flexible.
- scheduling when scheduling is performed across the bandwidth part, the resources of different bandwidth parts on the carrier can be fully utilized, and the blocking probability of the control signaling is reduced.
- FIG. 1 is a schematic diagram of a cross-carrier scheduling scenario shown in an exemplary embodiment.
- FIGS. 2A through 2B are flowcharts showing a cross-carrier scheduling method according to an exemplary embodiment.
- 3A to 3C are schematic diagrams showing a cross-carrier scheduling scenario according to an exemplary embodiment.
- FIG. 4 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment.
- FIG. 5 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment.
- FIG. 6 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment.
- FIG. 7 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment.
- FIG. 8 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment.
- FIG. 9 is a block diagram of a cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 10 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 11 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 12 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 13 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 14 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 15 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 16 is a block diagram of another cross-carrier scheduling apparatus according to an exemplary embodiment.
- FIG. 17 is a schematic structural diagram of a cross-carrier scheduling apparatus according to an exemplary embodiment of the present disclosure.
- FIG. 18 is a schematic structural diagram of another apparatus for a cross-carrier scheduling apparatus according to an exemplary embodiment of the present disclosure.
- first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as second information without departing from the scope of the present disclosure.
- second information may also be referred to as first information.
- word "if” as used herein may be interpreted as "when” or "when” or "in response to determination.”
- the macro base station and the small base station can share two downlink CCs (Carrier Component), which are assumed to be CC1 and CC2.
- the two CCs of the small base station operate at low transmission power
- the CC1 of the macro base station operates at high transmission power
- the CC2 operates at low transmission power.
- the transmission of the macro base station on the CC1 in the range extension area has a large interference to the CC1 of the small base station, and the transmission of the macro base station on the CC2 is transmitted due to the transmission.
- the power is low and the interference to the small base station is relatively weak.
- the small base station using the PDCCH on the CC2 to cross-carrier the data on the CC1 can improve the reliability of the downlink control signaling, and the macro base station can also not transmit the PDCCH on the CC2, but use the CC1 cross-carrier scheduling CC2. Data transfer on.
- the at least one carrier may be scheduled across the carrier by the scheduling carrier carrying the scheduling information, for example, as shown in FIG. 2A.
- At least one bandwidth portion can be supported on each carrier, as shown in FIG. 2B, wherein the bandwidth portion is a pre-specified frequency domain resource on the carrier.
- the embodiment of the present disclosure provides a cross-carrier scheduling method, which can be used in a base station, and includes the following steps:
- step 101 scheduling information is sent to a terminal, where the scheduling information is used to schedule a target bandwidth portion on at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- the base station sends scheduling information to the terminal, and the scheduling information may be used to schedule a target bandwidth portion on the at least one target carrier by scheduling the carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth part, where the bandwidth part is a frequency domain resource pre-designated on the target carrier; the target bandwidth part is on the target carrier.
- the portion of the bandwidth that is scheduled by the scheduled carrier in all of the bandwidth portions.
- the target bandwidth portion of the at least one target carrier may be scheduled by the scheduling carrier.
- the cross-carrier scheduling is implemented, the cross-bandwidth partial scheduling of the target carrier configured with the at least one bandwidth portion may be performed, so that the scheduling manner is further flexible.
- the base station may send scheduling information to the terminal by using target signaling when determining that cross-carrier scheduling is required.
- the target signaling may include any one of radio resource control signaling, system information, media access control address control unit, and physical layer signaling.
- the base station in order to avoid interference on the control channel and load balancing of the control region on different carriers in the heterogeneous system, the base station may determine that cross-carrier scheduling is currently required.
- the control area on the carrier is an area in which the control information is mapped in the time domain and the frequency domain, and the control information may be a PDCCH, a PICH (Paging Indicator Channel), or the like.
- the scheduling information is used to schedule a target bandwidth portion on at least one target carrier across carriers by scheduling a carrier.
- the scheduling carrier is a carrier in which scheduling information is located, and the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, where the bandwidth portion is a frequency domain resource pre-designated on the carrier;
- the bandwidth portion is the portion of the bandwidth that is scheduled by the scheduled carrier among all of the bandwidth portions on the target carrier.
- the base station may send the information corresponding to the scheduling information to the terminal by using target signaling.
- the scheduling information includes multiple pieces of information, all the scheduling information may be uniformly sent to the terminal by using one target signaling, or different scheduling information may be separately sent to the terminal by using different target signaling.
- the base station may number the physical resource blocks (PRBs) in different manners, and the information included in the scheduling information is different according to the PRB numbering manner.
- PRBs physical resource blocks
- the scheduling unit in the frequency domain is granular according to the PRB. Based on the same principle, the method in the present disclosure is also applicable to scheduling units in the frequency domain of other granularities, for example, using multiple PRB bundles as basic. The scheduling unit on the frequency domain. Regardless of the scheduling unit employed, it is within the scope of protection of the embodiments of the present disclosure.
- the base station separately numbers the physical resource blocks on each carrier configured for the terminal in a predefined order.
- the base station can separately number the PRBs on each carrier of the same terminal in a predefined order, for example, from small to large. For example, as shown in FIG. 3A, for the two carriers to be scheduled, the PRBs on carrier 1 and carrier 2 are numbered in order from small to large.
- the scheduling information may include carrier indication information for indicating the scheduled carrier and PRB indication information for indicating the scheduled physical resource block PRB in the scheduled carrier.
- the carrier indication information may be a carrier number.
- the PRB indication information may be a number of the scheduled PRBs in the current carrier in the scheduled carrier. If the number of scheduled PRBs is multiple, the PRB indication information may include all the carriers in the scheduled carrier. The number of the scheduled PRB. Or, in the case that the scheduled PRBs are consecutive, the PRB indication information may further include the number of the first scheduled PRB in the scheduled carrier, and the number of scheduled PRBs; or the case where the scheduled PRBs are consecutive The PRB indication information may further include a number of the first PRB and a number of the last PRB.
- the PRB indication information may include the number 2 of the first PRB and the number 4 of the scheduled PRBs, and the terminal side may determine the scheduled carrier internals according to the number 2 of the first PRB and the number 4 of the scheduled PRBs.
- the scheduled PRBs are PRB2, PRB3, PRB4, and PRB5, respectively.
- the PRB indication information may include the numbers of all scheduled PRBs within the scheduled carrier. Or the scheduled PRBs are separated in a predefined manner, and the PRB indication information may include the number of the first scheduled PRB and the number of scheduled PRBs. Of course, if the scheduled PRBs are spaced in a predefined manner, the PRB indication information may also include the number of the first scheduled PRB and the number of the last scheduled PRB.
- the PRB indication information may include the number 2 of the first PRB and the number 8 of the last scheduled PRB. If one PRB is separated between two adjacent scheduled PRBs, the terminal side may determine the scheduled carrier.
- the scheduled PRBs are PRB2, PRB4, PRB6, and PRB8, respectively.
- the content included in the PRB indication information is not limited to the foregoing content, and any other content that allows the terminal to determine the PRB indication information of the scheduled PRB belongs to the protection scope of the embodiment of the present disclosure.
- the terminal side may determine the target carrier according to the carrier indication information in the scheduling information. Further, since the base station is numbered according to the PRB on each carrier, after determining the target carrier, the target may be determined according to the PRB indication information. The target bandwidth portion of the carrier.
- the base station uniformly numbers the physical resource blocks on all carriers configured for the terminal in a predefined order.
- the base station will number all PRBs on all carriers configured for the terminal in a predefined order, for example, from small to large. As shown in FIG. 3B, for the two carriers that are scheduled, all PRBs on carrier 1 and carrier 2 are numbered in the order of small to large.
- the PRB indication information indicating the scheduled physical resource block PRB may be included in the scheduling information. Since the base station uniformly numbers the PRBs on all the carriers configured for the terminal, the terminal can directly find the scheduled target bandwidth portion according to the PRB indication information.
- the base station separately numbers the physical resource blocks on each carrier configured for the terminal in a predefined order, and the bandwidth portion on each carrier is independently based on the physical resource block.
- the order of the definition is numbered.
- the base station not only numbers the PRBs on each carrier in a predefined order, for example, from small to large, but also separates the bandwidth on each carrier in units of physical resource blocks.
- the predefined order is numbered, for example, from small to large.
- the PRBs on carrier 1 and carrier 2 are separately numbered, and the bandwidth portions on each carrier are independently numbered in small to large order in units of physical resource blocks.
- the scheduling information includes the carrier indication information, bandwidth part indication information for indicating a scheduled bandwidth portion in the scheduled carrier, and the part of the scheduled bandwidth within the scheduled carrier.
- the PRB indication information of the scheduled physical resource block PRB is the carrier indication information, bandwidth part indication information for indicating a scheduled bandwidth portion in the scheduled carrier, and the part of the scheduled bandwidth within the scheduled carrier.
- the target carrier may be determined according to the carrier indication information, and then the target bandwidth portion is determined in the target carrier according to the bandwidth portion indication information and the PRB indication information.
- the carrier indication information and the bandwidth part indication information may be independently coded or unifiedly combined.
- the information length value of the carrier indication information may be a first preset value, and is set in a first preset position in the scheduling information
- the information length value of the bandwidth portion indication information is a second preset value, and is set in the And a second preset position in the scheduling information, wherein the first preset position is the same as or different from the second preset position.
- the information length values of the carrier indication information and the bandwidth portion indication information are both preset values, and are set in preset positions in the scheduling information.
- the carrier indication information and the bandwidth part indication information may be respectively carried in different areas of the scheduling information by means of independent coding, or may be carried in the same area of the scheduling information by means of joint coding. Make the configuration of scheduling information more flexible, and the terminal side can
- the preset position of the scheduling information is used to parse the carrier indication information and the bandwidth portion indication information according to the preset preset information length values of the carrier indication information and the bandwidth portion indication information.
- the carrier indication information and the bandwidth part indication information may be directly carried in the scheduling information.
- the carrier indication information and the bandwidth part indication information may also be carried in the scheduling information by other means.
- the scheduling information may include association information and PRB indication information indicating a scheduled physical resource block PRB, wherein the association information is information associated with carrier indication information and bandwidth partial scheduling information, the carrier indication information Is information for indicating a scheduled carrier, the bandwidth portion indication information being information indicating a portion of the bandwidth scheduled to be scheduled within the carrier.
- the above association information may be predefined or configured by the base station for the terminal. If the base station is configured for the terminal, the base station may notify the terminal of the configured association information by using any one of the target signalings, so that the subsequent terminal determines the carrier indication information and the bandwidth portion indication information according to the association information.
- the target signaling may be any one of radio resource control signaling, system information, media access control address control unit, and physical layer signaling.
- the association information may be a set of predefined scrambling sequences, and each scrambling sequence in the set of scrambling sequences has one indication of carrier indication information and bandwidth part indication information. Correspondence relationship.
- the terminal side can sequentially perform descrambling through the predefined set of scrambling sequences, and the successfully descrambled scrambling sequence can be used as The associated information included in the scheduling information.
- the terminal side may pre-store the mapping relationship between the association information and the carrier indication information and the bandwidth part indication information. After receiving the scheduling information, the terminal may determine the carrier indication information corresponding to the association information in the scheduling information according to the mapping relationship. And the bandwidth part indication information, so that after determining the target carrier according to the carrier indication information, the target bandwidth part is determined in the target carrier according to the bandwidth part indication information and the PRB indication information.
- the content included in the scheduling information may be determined according to different manners in which the base station numbers the PRBs on the carrier configured for the terminal, so as to implement the cross-bandwidth part of the target carrier configured with the at least one bandwidth part.
- the purpose of scheduling may be determined according to different manners in which the base station numbers the PRBs on the carrier configured for the terminal, so as to implement the cross-bandwidth part of the target carrier configured with the at least one bandwidth part.
- the number of bandwidth parts configured on each carrier may be at least one, and different bandwidth parts of the same carrier may be continuous or discontinuous in the frequency domain, and the number of bandwidth parts configured on different carriers may be Same or different.
- FIG. 4 is a flowchart of a cross-carrier scheduling method, which may be used in a terminal, according to an exemplary embodiment, and includes the following steps:
- step 201 receiving scheduling information sent by the base station
- step 202 determining, according to the scheduling information, a target bandwidth portion on at least one target carrier
- step 203 the target bandwidth portion is scheduled by using a scheduling carrier where the scheduling information is located;
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the terminal after receiving the scheduling information sent by the base station, determines a target bandwidth portion on the at least one target carrier according to the scheduling information, so that the target bandwidth portion is scheduled by using the scheduling carrier where the scheduling information is located.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- the target bandwidth part of the at least one target carrier may be scheduled by the scheduling carrier, and the cross-carrier scheduling may be performed on the target carrier configured with the at least one bandwidth part, so that the cross-bandwidth part scheduling is performed.
- the way to schedule is more flexible.
- the resources of different bandwidth parts on the carrier can be fully utilized, and the blocking probability of the control signaling is reduced.
- the base station may send the scheduling information to the terminal by using target signaling, and the terminal may directly receive the information.
- the target signaling may be any one of radio resource control signaling, system information, media access control address control unit, and physical layer signaling.
- the base station may send all scheduling information through one target signaling, or may separately send different scheduling information through different target signaling.
- the terminal may determine the target bandwidth portion according to the manner in which the base station numbers the PRBs on the carrier, and the information included in the scheduling information.
- the scheduling information includes carrier indication information for indicating the scheduled carrier and is used to indicate the scheduled carrier internals.
- the PRB indication information of the scheduled physical resource block PRB may include the following steps:
- step 202-11 the carrier indicated by the carrier indication information is used as the target carrier;
- the terminal may directly use the carrier indicated by the carrier indication information as the target carrier.
- step 202-12 the frequency domain resource corresponding to the PRB indication information in the target carrier is used as the target bandwidth part.
- the terminal uses the frequency domain resource corresponding to the PRB indication information as the target bandwidth part in the target carrier.
- the scheduling information includes the carrier indication information of 2, and the PRB indication information is the PRB number 5, 6, 7, and 8.
- the terminal uses the carrier 2 in FIG. 3A as the target carrier, and further the PRB5, PRB6, and PRB7 in the carrier 2.
- the frequency domain resource corresponding to PRB8 is used as the target bandwidth part.
- Step 202 can include the following steps:
- step 202-21 the frequency domain resource corresponding to the PRB indication information is used as the target bandwidth part.
- the terminal may directly use the frequency domain resource corresponding to the PRB indication information as the target bandwidth part.
- the PRB indication information included in the scheduling information is the number 6 of the first PRB, and the number of scheduled PRBs is 5, and the scheduled PRBs are consecutive, and the terminal directly directly associates PRB6, PRB7, PRB8, PRB9, and PRB10.
- the frequency domain resource is used as the target bandwidth part.
- Step 202 may include the following steps:
- the carrier indicated by the carrier indication information is used as the target carrier
- the terminal may use the carrier indicated by the carrier indication information as the scheduled target carrier.
- the bandwidth part indication information and the frequency domain resource corresponding to the PRB indication information in the target carrier are used as the target bandwidth part.
- the terminal may use the bandwidth part indication information and the frequency domain resource corresponding to the PRB as the target bandwidth part in the target carrier.
- the carrier indication information is 1, the bandwidth part indication information is 2, and the PRB indication information is PRB numbers 5, 6, and 7.
- the terminal uses carrier 1 as the target carrier, and further, the bandwidth portion in carrier 1. 2
- the frequency domain resources corresponding to PRB5, PRB6 and PRB7 are used as the target bandwidth part.
- the information length value of the carrier indication information may be a first preset value, and is set in the first preset position in the scheduling information;
- the information length value of the bandwidth part indication information may be a second preset value, and is set in a second preset position in the scheduling information; wherein the first preset position and the second preset position Same or different. That is to say, the carrier indication information and the bandwidth part indication information may be respectively carried in different areas in the scheduling information by means of independent coding, or may be carried in the same area in the scheduling information by means of joint coding. Make the configuration of scheduling information more flexible.
- the terminal may parse the carrier indication information and the bandwidth part indication information according to preset preset information length values of the carrier indication information and the bandwidth part indication information at a preset position of the scheduling information.
- the carrier indication information and the bandwidth part indication information are directly carried in the scheduling information.
- the physical resource blocks on each carrier configured by the base station for the terminal are separately numbered in a predefined order, and the bandwidth portion on each carrier is independently pre-associated in units of physical resource blocks.
- the scheduling information may include association information and PRB indication information indicating the scheduled physical resource block PRB.
- FIG. 7 is a flowchart of another cross-carrier scheduling method according to the embodiment shown in FIG. 4.
- Step 202 may include the following steps:
- step 202-41 the carrier indication information and the bandwidth part indication information corresponding to the association information in the scheduling information are acquired according to the mapping relationship between the pre-stored association information and the carrier indication information and the bandwidth part indication information;
- the terminal may pre-store the mapping relationship between the association information and the carrier indication information and the bandwidth part indication information, and the association information may optionally be a scrambling sequence, and the mapping relationship may be as shown in Table 1.
- the terminal may attempt to descramble the information corresponding to the PBCH or the SS block according to the scrambling sequence of Table 1.
- the descrambling sequence that is successfully descrambled is the association information included in the scheduling information. Further, according to Table 1, the scheduling and scheduling may be determined. Carrier indication information and bandwidth portion indication information corresponding to the scrambling sequence in the information.
- the carrier indicated by the carrier indication information is used as the target carrier
- the terminal may use the carrier indicated by the carrier indication information as the target carrier.
- the bandwidth part indication information and the frequency domain resource corresponding to the PRB indication information in the target carrier are used as the target bandwidth part.
- the terminal uses the frequency domain resource corresponding to the bandwidth part indication information and the PRB indication information in the target carrier as the target bandwidth part.
- the terminal may schedule the target bandwidth part by using the scheduling carrier where the scheduling information is located according to the related technology. For example, different signaling or data is carried through the target bandwidth portion.
- the terminal may determine the target bandwidth portion according to different numbering manners of the base station to the PRB and different information included in the scheduling information. Therefore, the target bandwidth portion is scheduled by scheduling the carrier, and the cross-carrier scheduling of the target carrier configured with the at least one bandwidth portion can be performed, so that the scheduling manner is more flexible. In addition, when scheduling is performed across the bandwidth part, the resources of different bandwidth parts on the carrier can be fully utilized, and the blocking probability of the control signaling is reduced.
- FIG. 8 is a flowchart of another cross-carrier scheduling method according to an exemplary embodiment, including the following steps:
- step 301 the base station sends scheduling information to the terminal through target signaling.
- the target signaling may include any one of radio resource control signaling, system information, media access control address control unit, and physical layer signaling.
- the scheduling information includes multiple pieces of information, all the scheduling information may be uniformly sent to the terminal through one target signaling, or different scheduling information may be separately sent to the terminal through different target signaling.
- the base station numbers the PRBs in advance according to the above manners, and the difference in the numbering manner makes the information included in the scheduling information different.
- step 302 the terminal determines a target bandwidth portion on the at least one target carrier according to the scheduling information.
- the terminal may determine the target bandwidth portion on the at least one target carrier according to the information according to the manner provided in the foregoing embodiment.
- step 303 the terminal schedules the target bandwidth portion by using a scheduling carrier where the scheduling information is located.
- the target bandwidth part of the at least one target carrier may be scheduled by the scheduling carrier, and the cross-carrier scheduling may be performed on the target carrier configured with the at least one bandwidth part, so that the scheduling manner is performed. More flexible. In addition, when performing cross-bandwidth partial scheduling, resources of different bandwidth parts on the carrier can be fully utilized, and the blocking probability of control signaling is reduced.
- the present disclosure also provides an application function implementation apparatus and corresponding embodiments.
- FIG. 9 is a block diagram of a cross-carrier scheduling apparatus according to an exemplary embodiment, where the apparatus is used in a base station, and the apparatus includes:
- the first sending module 410 is configured to send scheduling information to the terminal, where the scheduling information is used to schedule a target bandwidth portion on the at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- FIG. 10 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 9.
- the first sending module 410 includes:
- the sending submodule 411 is configured to send scheduling information to the terminal by using target signaling, where the target signaling includes any one of the following:
- Radio resource control signaling system information, media access control address control unit, and physical layer signaling.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- PRB indication information indicating a scheduled physical resource block PRB within the scheduled carrier.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB.
- the scheduling information includes:
- Carrier indication information indicating a scheduled carrier
- bandwidth portion indication information indicating a portion of the bandwidth scheduled to be scheduled within the carrier
- PRB indication information for indicating a scheduled physical resource block PRB within a scheduled bandwidth portion within a scheduled carrier.
- the information length value of the carrier indication information is a first preset value, and is set in a first preset position in the scheduling information;
- the bandwidth part indicates that the information length value of the information is a second preset value, and is set in a second preset position in the scheduling information;
- the first preset position is the same as or different from the second preset position.
- the scheduling information includes:
- PRB indication information indicating the scheduled physical resource block PRB
- the association information is information associated with carrier indication information and bandwidth partial scheduling information
- the carrier indication information is information used to indicate a scheduled carrier
- the bandwidth portion indication information is used to indicate scheduled Information about the portion of the bandwidth that is scheduled within the carrier.
- the association information is predefined or configured by the base station for the terminal;
- FIG. 11 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 9, the apparatus further includes :
- the second sending module 420 is configured to send the association information to the terminal by using target signaling, where the target signaling includes any one of the following: radio resource control signaling, system information, and media access control address control. Unit and physical layer signaling.
- FIG. 12 Another cross-carrier scheduling apparatus block diagram is shown in FIG. 12 according to an exemplary embodiment, where the apparatus is used for a terminal, and the apparatus includes:
- the receiving module 510 is configured to receive scheduling information sent by the base station
- the determining module 520 is configured to determine a target bandwidth portion on the at least one target carrier according to the scheduling information
- the bandwidth part scheduling module 530 is configured to schedule the target bandwidth part by using a scheduling carrier where the scheduling information is located;
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- FIG. 13 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 12.
- the determining module 520 includes:
- a first determining submodule 521 configured to: if the scheduling information includes carrier indication information indicating a scheduled carrier and PRB indication information used to indicate a scheduled physical resource block PRB in the scheduled carrier, Using the carrier indicated by the carrier indication information as the target carrier;
- the second determining sub-module 522 is configured to use, as the target bandwidth part, a frequency domain resource corresponding to the PRB indication information in the target carrier.
- FIG. 14 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 12.
- the determining module 520 includes:
- the third determining sub-module 523 is configured to use the frequency domain resource corresponding to the PRB indication information as the target bandwidth part if the scheduling information includes the PRB indication information of the scheduled physical resource block PRB.
- FIG. 15 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 12.
- the determining module 520 includes:
- a fourth determining sub-module 524 configured to: if the scheduling information includes carrier indication information for indicating a scheduled carrier, bandwidth portion indication information for indicating a scheduled bandwidth portion within the scheduled carrier, and for And indicating the PRB indication information of the scheduled physical resource block PRB in the scheduled bandwidth part in the scheduled carrier, and using the carrier indicated by the carrier indication information as the target carrier;
- the fifth determining sub-module 525 is configured to use the bandwidth part indication information in the target carrier and the frequency domain resource corresponding to the PRB indication information as the target bandwidth part.
- FIG. 16 is a block diagram of another cross-carrier scheduling apparatus according to the embodiment shown in FIG. 12.
- the determining module 520 includes:
- the sixth determining sub-module 526 is configured to: if the scheduling information carries the association information and the PRB indication information used to indicate the scheduled physical resource block PRB, according to the pre-stored association information, the carrier indication information, and the bandwidth part And indicating the mapping relationship between the information, and acquiring the carrier indication information and the bandwidth part indication information corresponding to the association information in the scheduling information;
- a seventh determining submodule 527 configured to use the carrier indicated by the carrier indication information as the target carrier;
- the eighth determining sub-module 528 is configured to use the bandwidth part indication information in the target carrier and the frequency domain resource corresponding to the PRB indication information as the target bandwidth part.
- the device embodiment since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment.
- the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, ie may be located in one Places, or they can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the objectives of the present disclosure. Those of ordinary skill in the art can understand and implement without any creative effort.
- the present disclosure also provides a computer readable storage medium storing a computer program for performing the above-described cross-carrier scheduling method for any of the base station sides.
- the present disclosure also provides a computer readable storage medium storing a computer program for performing the above-described cross-carrier scheduling method for any of the terminal sides.
- the present disclosure further provides a cross-carrier scheduling apparatus, where the apparatus is used in a base station, including:
- a memory for storing processor executable instructions
- processor is configured to:
- the scheduling information is used to schedule a target bandwidth portion on the at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- FIG. 17 is a schematic structural diagram of a cross-carrier scheduling apparatus 1800 according to an exemplary embodiment.
- Apparatus 1800 can be provided as a base station.
- apparatus 1800 includes a processing component 1722, a wireless transmit/receive component 1724, an antenna component 1726, and a signal processing portion specific to the wireless interface.
- Processing component 1722 can further include one or more processors.
- One of the processing components 1722 can be configured to:
- the scheduling information is used to schedule a target bandwidth portion on the at least one target carrier by using a scheduling carrier.
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a frequency domain resource pre-designated on the carrier; the target bandwidth portion is the target carrier The portion of the bandwidth in the bandwidth portion that is scheduled by the scheduled carrier.
- the present disclosure further provides a cross-carrier scheduling apparatus, where the apparatus is used for a terminal, including:
- a memory for storing processor executable instructions
- processor is configured to:
- the target carrier is a carrier that is scheduled by the scheduling carrier and configured with at least one bandwidth portion, the bandwidth portion is a pre-specified frequency domain resource on the target carrier; the target bandwidth portion is the target The portion of the bandwidth in the bandwidth portion of the carrier that is scheduled by the scheduled carrier.
- FIG. 18 is a schematic structural diagram of a cross-carrier scheduling apparatus according to an exemplary embodiment.
- a cross-carrier scheduling apparatus 1800 which may be a computer, a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, etc., according to an exemplary embodiment.
- apparatus 1800 can include one or more of the following components: processing component 1801, memory 1802, power component 1803, multimedia component 1804, audio component 1805, input/output (I/O) interface 1806, sensor component 1807, And a communication component 1808.
- Processing component 1801 typically controls the overall operation of device 1800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 1801 may include one or more processors 1809 to execute instructions to perform all or part of the steps of the above described methods.
- processing component 1801 can include one or more modules to facilitate interaction between component 1801 and other components.
- the processing component 1801 can include a multimedia module to facilitate interaction between the multimedia component 1804 and the processing component 1801.
- Memory 1802 is configured to store various types of data to support operation at device 1800. Examples of such data include instructions for any application or method operating on device 1800, contact data, phone book data, messages, pictures, videos, and the like.
- the memory 1802 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable. Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM Electrically erasable programmable read only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 1803 provides power to various components of device 1800.
- Power component 1803 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 1800.
- the multimedia component 1804 includes a screen between the device 1800 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen package Including a touch panel, the screen can be implemented as a touch screen to receive input signals from a user.
- the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 1804 includes a front camera and/or a rear camera. When the device 1800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 1805 is configured to output and/or input audio signals.
- audio component 1805 includes a microphone (MIC) that is configured to receive an external audio signal when device 1800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 1802 or transmitted via communication component 1808.
- audio component 1805 also includes a speaker for outputting an audio signal.
- the I/O interface 1806 provides an interface between the processing component 1801 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 1807 includes one or more sensors for providing status assessment of various aspects to device 1800.
- sensor assembly 1807 can detect an open/closed state of device 1800, relative positioning of components, such as the display and keypad of device 1800, and sensor component 1807 can also detect a change in position of one component of device 1800 or device 1800. The presence or absence of contact by the user with the device 1800, the orientation or acceleration/deceleration of the device 1800 and the temperature change of the device 1800.
- Sensor assembly 1807 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor assembly 1807 can also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor assembly 1807 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 1808 is configured to facilitate wired or wireless communication between device 1800 and other devices.
- the device 1800 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- communication component 1808 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 1808 also includes a near field communication (NFC) module to facilitate short range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- device 1800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the above methods.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor or other electronic component implementation for performing the above methods.
- non-transitory computer readable storage medium comprising instructions, such as a memory 1802 comprising instructions executable by processor 1809 of apparatus 1800 to perform the above method.
- the non-transitory computer readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
- the apparatus 1800 when the instructions in the storage medium are executed by the processor, the apparatus 1800 is enabled to perform the cross-carrier scheduling method for the terminal side described in any of the above.
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Abstract
Description
加扰序列 | 载波指示信息 | 带宽部分指示信息 |
加扰序列1 | 1 | 3 |
加扰序列2 | 1 | 2 |
…… | …… | …… |
加扰序列n | N | M |
Claims (30)
- 一种跨载波调度方法,其特征在于,所述方法用于基站,所述方法包括:发送调度信息到终端,所述调度信息用于通过调度载波跨载波调度至少一个目标载波上的目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
- 根据权利要求1所述的方法,其特征在于,所述发送调度信息到终端,包括:通过目标信令发送调度信息到终端,其中,所述目标信令包括以下任一个:无线资源控制信令、系统信息、媒体访问控制地址控制单元和物理层信令。
- 根据权利要求1所述的方法,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,则所述调度信息包括:用于指示被调度的载波的载波指示信息;和用于指示被调度的载波内被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求1所述的方法,其特征在于,如果将为所述终端配置的所有载波上的物理资源块按照预定义的顺序统一进行编号,则所述调度信息包括:用于指示被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求1所述的方法,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,且每个载波上的所述带宽部分独立的以物理资源块为单位按照预定义的顺序进行编号,则所述调度信息包括:用于指示被调度的载波的载波指示信息;和用于指示被调度的载波内被调度的带宽部分的带宽部分指示信息;和用于指示被调度的载波内的被调度的带宽部分内的被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求5所述的方法,其特征在于,所述载波指示信息的信息长度值为第一预设值,且设置在所述调度信息中的第一预设位置;所述带宽部分指示信息的信息长度值为第二预设值,且设置在所述调度信息中的第二预设位置;其中,所述第一预设位置与所述第二预设位置相同或不同。
- 根据权利要求1所述的方法,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,且每个载波上的所述带宽部分独立的以物理资源块为单位按照预定义的顺序进行编号,则所述调度信息包括:关联信息;和用于指示被调度的物理资源块PRB的PRB指示信息;其中,所述关联信息是与载波指示信息和带宽部分调度信息相关联的信息,所述载波指示信息是用于指示被调度的载波的信息,所述带宽部分指示信息是用于指示被调度的载波内被调度的带宽部分的信息。
- 根据权利要求7所述的方法,其特征在于,所述关联信息是预定义的或由所述基站为所述终端配置的;如果所述关联信息是所述基站为所述终端配置的,则所述方法还包括:通过目标信令将所述关联信息发送给所述终端;其中,所述目标信令包括以下任一个:无线资源控制信令、系统信息、媒体访问控制地址控制单元和物理层信令。
- 一种跨载波调度方法,其特征在于,所述方法用于终端,所述方法包括:接收基站发送的调度信息;根据所述调度信息确定至少一个目标载波上的目标带宽部分;通过所述调度信息所在的调度载波调度所述目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述目标载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
- 根据权利要求9所述的方法,其特征在于,所述根据所述调度信息确定至少一个目标载波上的目标带宽部分,包括:如果所述调度信息中包括用于指示被调度的载波的载波指示信息和用于指示被调度的载波内被调度的物理资源块PRB的PRB指示信息,则将所述载波指示信息所指示的载波作为所述目标载波;将所述目标载波中所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求9所述的方法,其特征在于,所述根据所述调度信息确定至少一个目标载波上的目标带宽部分,包括:如果所述调度信息包括被调度的物理资源块PRB的PRB指示信息,将所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求9所述的方法,其特征在于,所述根据所述调度信息确定至少一个目标载波上的目标带宽部分,包括:如果所述调度信息包括用于指示被调度的载波的载波指示信息、用于指示被调度的载波内的被调度的带宽部分的带宽部分指示信息和用于指示被调度的载波内的被调度的带宽部分内的被调度的物理资源块PRB的PRB指示信息,则将所述载波指示信息所指示的载波作为所述目标载波;将所述目标载波中所述带宽部分指示信息和所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求9所述的方法,其特征在于,所述根据所述调度信息确定至少一个目标载波上的目标带宽部分,包括:如果所述调度信息中携带关联信息和用于指示被调度的物理资源块PRB的PRB指示信息,则根据预存的所述关联信息与载波指示信息、带宽部分指示信息之间的映射关系,获取与调度信息中的关联信息对应的载波指示信息和带宽部分指示信息;将所述载波指示信息所指示的载波作为所述目标载波;将所述目标载波中所述带宽部分指示信息和所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 一种跨载波调度装置,其特征在于,所述装置用于基站,所述装置包括:第一发送模块,被配置为发送调度信息到终端,所述调度信息用于通过调度载波跨载波调度至少一个目标载波上的目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
- 根据权利要求14所述的装置,其特征在于,所述第一发送模块包括:发送子模块,被配置为通过目标信令发送调度信息到终端,其中,所述目标信令包括以下任一个:无线资源控制信令、系统信息、媒体访问控制地址控制单元和物理层信令。
- 根据权利要求14所述的装置,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,则所述调度信息包括:用于指示被调度的载波的载波指示信息;和用于指示被调度的载波内被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求14所述的装置,其特征在于,如果将为所述终端配置的所有载波上的物理资源块按照预定义的顺序统一进行编号,则所述调度信息包括:用于指示被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求14所述的装置,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,且每个载波上的所述带宽部分独立的以物理资源块为单位按照预定义的顺序进行编号,则所述调度信息包括:用于指示被调度的载波的载波指示信息;和用于指示被调度的载波内被调度的带宽部分的带宽部分指示信息;和用于指示被调度的载波内的被调度的带宽部分内的被调度的物理资源块PRB的PRB指示信息。
- 根据权利要求18所述的装置,其特征在于,所述载波指示信息的信息长度值为第一预设值,且设置在所述调度信息中的第一预设位置;所述带宽部分指示信息的信息长度值为第二预设值,且设置在所述调度信息中的第二预设位置;其中,所述第一预设位置与所述第二预设位置相同或不同。
- 根据权利要求14所述的装置,其特征在于,如果将为所述终端配置的每个载波上的物理资源块按照预定义的顺序单独进行编号,且每个载波上的所述带宽部分独立的以物理资源块为单位按照预定义的顺序进行编号,则所述调度信息包括:关联信息;和用于指示被调度的物理资源块PRB的PRB指示信息;其中,所述关联信息是与载波指示信息和带宽部分调度信息相关联的信息,所述载波指示信息是用于指示被调度的载波的信息,所述带宽部分指示信息是用于指示被调度的载波内被调度的带宽部分的信息。
- 根据权利要求20所述的装置,其特征在于,所述关联信息是预定义的或由所述基站为所述终端配置的;如果所述关联信息是所述基站为所述终端配置的,则所述装置还包括:第二发送模块,被配置为通过目标信令将所述关联信息发送给所述终端;其中,所述目标信令包括以下任一个:无线资源控制信令、系统信息、媒体访问控制地址控制单元和物理层信令。
- 一种跨载波调度装置,其特征在于,所述装置用于终端,所述装置包括:接收模块,被配置为接收基站发送的调度信息;确定模块,被配置为根据所述调度信息确定至少一个目标载波上的目标带宽部分;带宽部分调度模块,被配置为通过所述调度信息所在的调度载波调度所述目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述目标载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
- 根据权利要求22所述的装置,其特征在于,所述确定模块包括:第一确定子模块,被配置为如果所述调度信息中包括用于指示被调度的载波的载波指示信息和用于指示被调度的载波内被调度的物理资源块PRB的PRB指示信息,则将所述载波指示信息所指示的载波作为所述目标载波;第二确定子模块,被配置为将所述目标载波中所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求22所述的装置,其特征在于,所述确定模块包括:第三确定子模块,被配置为如果所述调度信息包括被调度的物理资源块PRB的PRB指示信息,将所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求22所述的装置,其特征在于,所述确定模块包括:第四确定子模块,被配置为如果所述调度信息包括用于指示被调度的载波的载波 指示信息、用于指示被调度的载波内的被调度的带宽部分的带宽部分指示信息和用于指示被调度的载波内的被调度的带宽部分内的被调度的物理资源块PRB的PRB指示信息,则将所述载波指示信息所指示的载波作为所述目标载波;第五确定子模块,被配置为将所述目标载波中所述带宽部分指示信息和所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 根据权利要求22所述的装置,其特征在于,所述确定模块包括:第六确定子模块,被配置为如果所述调度信息中携带关联信息和用于指示被调度的物理资源块PRB的PRB指示信息,则根据预存的所述关联信息与载波指示信息、带宽部分指示信息之间的映射关系,获取与调度信息中的关联信息对应的载波指示信息和带宽部分指示信息;第七确定子模块,被配置为将所述载波指示信息所指示的载波作为所述目标载波;第八确定子模块,被配置为将所述目标载波中所述带宽部分指示信息和所述PRB指示信息所对应的频域资源作为所述目标带宽部分。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求1-8任一所述的跨载波调度方法。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求9-13任一所述的跨载波调度方法。
- 一种跨载波调度装置,其特征在于,所述装置用于基站,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:发送调度信息到终端,所述调度信息用于通过调度载波跨载波调度至少一个目标载波上的目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
- 一种跨载波调度装置,其特征在于,所述装置用于终端,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:接收基站发送的调度信息;根据所述调度信息确定至少一个目标载波上的目标带宽部分;通过所述调度信息所在的调度载波调度所述目标带宽部分;其中,所述目标载波是被所述调度载波所调度且配置了至少一个带宽部分的载波,所述带宽部分是所述目标载波上预先指定的频域资源;所述目标带宽部分是所述目标载波上的所有带宽部分中被所述调度载波所调度的带宽部分。
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US20200374908A1 (en) | 2020-11-26 |
US11310820B2 (en) | 2022-04-19 |
CN109451854B (zh) | 2021-02-19 |
CN109451854A (zh) | 2019-03-08 |
JP6917480B2 (ja) | 2021-08-11 |
KR102321488B1 (ko) | 2021-11-04 |
KR20200009092A (ko) | 2020-01-29 |
JP2020524967A (ja) | 2020-08-20 |
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