CN110868753B - Resource allocation method, device and system - Google Patents
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- CN110868753B CN110868753B CN201810978795.1A CN201810978795A CN110868753B CN 110868753 B CN110868753 B CN 110868753B CN 201810978795 A CN201810978795 A CN 201810978795A CN 110868753 B CN110868753 B CN 110868753B
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000013468 resource allocation Methods 0.000 title claims abstract description 38
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- 238000010586 diagram Methods 0.000 description 12
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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
- 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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Abstract
The invention provides a resource allocation method, a device and a system. The method comprises the following steps: receiving first indication information sent by a terminal residing in a first cell, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell, and allocating resources of the first switching zone of the first cell to the terminal according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell. The invention solves the problems of large time delay, packet loss and the like of the CBTC service caused by the same frequency interference in the switching band.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for resource allocation.
Background
At present, a Communication System provides a Train automatic Control System (CBTC) service Based on wireless Communication, and the CBTC service is mainly applied to rail transportation, such as a subway, a light rail, and the like, and is used for controlling Train running.
In the prior art, based on the characteristics of rail transit, a networking mode of common-frequency linear networking is generally adopted. Specifically, as shown in fig. 1, there may be two neighboring cells, cell 2 and cell 3, in cell 1. The operating frequencies of the three cells are the same, and handover zones exist between the cell 1 and the cell 2, and between the cell 1 and the cell 3.
However, in the prior art, the CBTC service has problems of large time delay, packet loss and the like due to strong co-channel interference of the handover zone.
Disclosure of Invention
The embodiment of the invention provides a resource allocation method, a device and a system, which are used for solving the problems of large time delay, packet loss and the like of CBTC (communication based train control) services due to strong same frequency interference of a switching zone in the prior art.
In a first aspect, an embodiment of the present invention provides a resource allocation method, including:
receiving first indication information sent by a terminal residing in a first cell, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell;
allocating resources of the first handover zone of the first cell to the terminal according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
In one possible implementation design, the allocating, to the terminal, first handover band resources corresponding to the first handover band of the first cell includes:
judging whether residual resources exist in the resources of the first switching zone of the first cell;
and if the resources of the first switching zone of the first cell have residual resources, allocating the resources of the first switching zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation, the method further includes:
receiving second indication information sent by the terminal, wherein the second indication information is used for indicating that the terminal is in a non-handover zone of the first cell;
allocating resources of a non-handover zone of the first cell to the terminal according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
In one possible implementation design, the allocating, to the terminal, resources of a non-handover band of the first cell includes:
judging whether the resources of the non-switching zone of the first cell have residual resources or not;
and if the resources of the non-handover zone of the first cell have residual resources, allocating the resources of the non-handover zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the non-handover band resources of the first cell, allocating the resources of the first handover band or a second handover band of the first cell to the terminal; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation design, the resources of the first cell are divided in a time domain and/or a frequency domain into resources of a first handover band of the first cell, resources of a non-handover band of the first cell, and resources of a second handover band of the first cell.
In one possible implementation, the first indication information includes: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
In a second aspect, an embodiment of the present invention provides a resource allocation method, including:
determining a first handover zone between a first cell and a second cell;
and sending first indication information to a base station, wherein the first indication information is used for indicating that the terminal is positioned in a first switching zone between the first cell and a second cell.
In one possible implementation, the method further includes:
determining a non-handover zone in the first cell;
and sending second indication information to the base station, wherein the second indication information is used for indicating that the terminal is in a non-switching zone of the first cell.
In one possible implementation, the first indication information includes: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
In a third aspect, an embodiment of the present invention provides a resource allocation apparatus, including:
a receiving module, configured to receive first indication information sent by a terminal camped on a first cell, where the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and a second cell;
an allocating module, configured to allocate, to the terminal, resources of the first handover zone of the first cell according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
In one possible implementation, the assignment module includes: a first judgment submodule and a first assignment submodule;
the first judging submodule is configured to judge whether there is a remaining resource in the resources of the first handover zone of the first cell;
the first allocating sub-module is configured to allocate the resource of the first handover zone of the first cell to the terminal if there is a remaining resource in the resource of the first handover zone of the first cell.
In one possible implementation, the first allocating submodule is further configured to:
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In a design of a possible implementation, the receiving module is further configured to receive second indication information sent by the terminal, where the second indication information is used to indicate that the terminal is in a non-handover zone of the first cell;
the allocating module is further configured to allocate, to the terminal, resources of a non-handover zone of the first cell according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
In one possible implementation, the allocation module includes: a second determination submodule and a second allocation submodule;
the second determining submodule is configured to determine whether there are remaining resources in the resources of the non-handover zone of the first cell;
the second allocating sub-module is configured to allocate the resource of the non-handover zone of the first cell to the terminal if there is a remaining resource in the resource of the non-handover zone of the first cell.
In a design of a possible implementation, the second allocating submodule is further configured to allocate, to the terminal, resources of the first handover zone or the second handover zone of the first cell if there are no remaining resources in the resources of the non-handover zone of the first cell; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation design, the resources of the first cell are divided in a time domain and/or a frequency domain into resources of a first handover band of the first cell, resources of a non-handover band of the first cell, and resources of a second handover band of the first cell.
In one possible implementation, the first indication information includes: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
In a fourth aspect, an embodiment of the present invention provides a resource allocation apparatus, including:
a determining module for determining a first handover zone between a first cell and a second cell;
a sending module, configured to send first indication information to a base station, where the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and a second cell.
In one possible implementation design, the determining module is further configured to determine a non-handover zone in the first cell;
the sending module is further configured to send second indication information to the base station after determining that the terminal is in the non-handover zone of the first cell, where the second indication information is used to indicate that the terminal is in the non-handover zone of the first cell.
In one possible implementation, the first indication information includes: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
In a fifth aspect, an embodiment of the present invention provides a resource allocation apparatus, including:
a processor and a memory for storing computer instructions; the processor executes the computer instructions to perform the method of the first aspect.
In a sixth aspect, an embodiment of the present invention provides a resource allocation apparatus, including:
a processor and a memory for storing computer instructions; the processor executes the computer instructions to perform the method of any of the second aspects described above.
In a seventh aspect, an embodiment of the present invention further provides a resource allocation system, including: the resource allocation apparatus according to the fifth aspect, and the resource allocation apparatus according to the sixth aspect.
According to the resource allocation method, the device and the system provided by the embodiment of the invention, the resource of the first switching zone of the first cell is allocated to the terminal according to the first indication information which is sent by the terminal residing in the first cell and used for indicating that the terminal is located in the first switching zone between the first cell and the second cell; the resources of the first switching zone of the first cell are different from the resources of the first switching zone of the second cell, so that the resources allocated to the terminal residing in the first cell and located in the first switching zone of the first cell and the second cell are different from the resources allocated to the terminal residing in the second cell and located in the first switching zone, the co-frequency interference of the terminal residing in the first cell and located in the first switching zone of the first cell and the second cell in the first switching zone can be avoided, and the problems of large time delay, packet loss and the like of the CBTC service due to the co-frequency interference in the switching zones are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a networking mode of co-frequency linear networking in the prior art;
FIG. 2 is a schematic diagram of an application scenario according to an embodiment of the present invention;
fig. 3 is a flowchart of a first embodiment of a resource allocation method according to the present invention;
fig. 4A-4C are schematic diagrams illustrating a relationship between first handover zone resources of a first cell and a second cell according to an embodiment of the present invention;
fig. 5 is a flowchart of a second embodiment of a resource allocation method according to the present invention;
fig. 6 is a flowchart of a third embodiment of a resource allocation method according to the present invention;
fig. 7A-7C are schematic diagrams illustrating the division of a first cell and resources according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a resource allocation apparatus according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram of a second embodiment of a resource allocation apparatus;
fig. 10 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention is mainly applied to a communication system adopting same-frequency linear networking. As shown in fig. 2, the application scenario of the present embodiment may include: a first cell 21, a second cell 22 and a terminal 23. Here, the terminal 23 resides in the first cell 21, that is, the first cell 21 is a current serving cell of the terminal 23. The first cell 21 and the second cell 22 may be neighboring cells, and a first handover zone a exists between the first cell 21 and the second cell 22. Specifically, the terminal 23 can move in the direction indicated by the arrow a from the first cell 21 to the second cell 22 through the first handover zone a; alternatively, the terminal 23 may move in the direction indicated by arrow b from the second cell 22 to the first cell 21 via the first handover zone a.
Optionally, as shown in fig. 2, the first cell 21 and the third cell 24 may be neighboring cells, and a second handover zone B exists between the first cell 21 and the third cell 23.
Optionally, as shown in fig. 2, the first cell 21 may also have a non-handover zone C.
The handover zone may refer to an area of overlapping coverage between channels of two cells of neighboring cells.
The terminal 23, which may also be referred to as a user equipment, may include, but is not limited to, a user terminal equipment (CPE), a smart phone (such as an Android phone and an IOS phone), a multimedia device, a streaming media device, a personal computer, a tablet computer, a palmtop computer, a Mobile Internet Device (MID), an internet device such as a wearable smart device, and the like.
It should be noted that the first cell 21 and the second cell 22 may belong to the same base station, or may belong to different base stations, which is not limited in the present invention. The base station may be an evolved NodeB (eNB) in LTE, or a base station in a fifth generation (5G) mobile communication system (also referred to as a New Radio (NR)), which may be referred to as a 5G base station (gnnodeb, gNB), or a relay station, or a vehicle-mounted device, a wearable device, and an access network device in a future 5G network or an access network device in a future evolved Public Land Mobile Network (PLMN) network, and the like.
It should be noted that the first cell and the second cell are only two adjacent cells for distinguishing the terminal that can perform cell switching, and are not characteristic of a certain cell. The third cell is simply a cell other than the second cell for distinguishing a cell handover with the first cell is possible. For example, cell 1 in fig. 1 may be considered a first cell, cell 2 may be considered a second cell, and cell 3 may be considered a third cell. As another example, cell 1 in fig. 1 may be considered a first cell, cell 3 may be considered a second cell, and cell 2 may be considered a second cell. For another example, cell 2 in fig. 1 may be considered a first cell, and cell 1 may be considered a second cell.
Fig. 3 is a flowchart of a first embodiment of a resource allocation method according to an embodiment of the present invention, and an execution subject of the method of this embodiment may be a base station. As shown in fig. 3, the method of this embodiment may include:
In this step, optionally, the first indication information may be received through a Radio Resource Control (RRC) message. The first switching zone may be, for example, the first switching zone a in fig. 1.
It should be noted that, the present invention may not be limited to the specific manner in which the first indication information indicates that the terminal is in the first handover zone between the first cell and the second cell. Optionally, the first indication information may include: a handover band state identifier indicating that the terminal is in a handover band and an identifier (ID, IDentity) of the second cell. The switching band state flag may specifically be a bit flag, and may indicate that the switching band is in the switching band when the bit flag is a first bit, and may indicate that the non-switching band is in the switching band when the bit flag is a second bit, where the first bit may be, for example, bit 1, and the second bit may be, for example, bit 0.
In this step, the resource may specifically be an air interface resource. The resource of the first handover zone of the first cell is different from the resource of the first handover zone of the second cell, and specifically may be: as shown in fig. 4A, resource S1 of the first handover band of the first cell is a resource different from resource S2 of the first handover band of the second cell in a time domain; alternatively, as shown in fig. 4B, the resource S1 of the first handover band of the first cell and the resource S2 of the first handover band of the second cell are resources different in frequency domain; alternatively, as shown in fig. 4C, the resource S1 of the first handover band of the first cell and the resource S2 of the first handover band of the second cell are different resources in both time and frequency domains.
In this embodiment, a resource of a first handover zone of a first cell is allocated to a terminal according to first indication information, which is sent by the terminal residing in the first cell and used for indicating that the terminal is in the first handover zone between the first cell and a second cell; the resources of the first switching zone of the first cell are different from the resources of the first switching zone of the second cell, so that the resources allocated to the terminal residing in the first cell and located in the first switching zone of the first cell and the second cell are different from the resources allocated to the terminal residing in the second cell and located in the first switching zone, the co-frequency interference of the terminal residing in the first cell and located in the first switching zone of the first cell and the second cell in the first switching zone can be avoided, and the problems of large time delay, packet loss and the like of the CBTC service due to the co-frequency interference in the switching zones are solved.
Fig. 5 is a flowchart of a second embodiment of the resource allocation method according to the present invention, and an execution subject of the method according to the present embodiment may be a terminal. As shown in fig. 5, the method of this embodiment may include:
in step 501, a first handover zone between a first cell and a second cell is determined.
In this step, the terminal resides in the first cell. The terminal may determine that it is in a first handover zone between the first cell and the second cell according to the signal reception powers of the first cell and the second cell. Alternatively, the terminal may determine the first handover zone between the first cell and the second cell according to Reference Signal Receiving Power (RSRP). Further alternatively, the terminal may determine the first handover zone between the first cell and the second cell according to the reference signal received power and the handover zone parameter.
Optionally, the handover band parameter may include: and (4) a ratio threshold value. For example, when a ratio of an RSRP of a first cell received by the terminal to an RSRP of a second cell received by the terminal is greater than or equal to a ratio threshold, it may be determined that the handover zone status is a first handover zone between the first cell and the second cell.
Alternatively, the optional handover band parameters may include a minimum value RSRP _ MIN of RSRP, and an Offset RSRP _ Offset of RSRP. For example, if the terminal determines that the RSRP of the first cell < RSRP _ MIN and the RSRP of the second cell > RSRP + RSRP _ Offset of the first cell, a first handover zone between the first cell and the second cell may be determined.
Optionally, the handover band parameter may be a preset parameter, or may also be configured by the base station.
It should be noted that, for the related description about the switching belt, reference may be made to step 301, and details are not described herein.
In this step, optionally, the first indication information may be sent to the base station through an RRC message. It should be noted that, for the relevant description of the first indication information, refer to step 301, which is not described herein again.
In this embodiment, a first handover zone between a first cell and a second cell is determined, and first indication information is sent to a base station, where the first indication information is used to indicate that a terminal is in the first handover zone between the first cell and the second cell, so that resources allocated by the base station for the terminal residing in the first cell and in the first handover zone of the first cell and the second cell are different from resources allocated for the terminal residing in the second cell and in the first handover zone, and co-channel interference of the terminal residing in the first cell and in the first handover zone of the first cell and the second cell in the first handover zone can be avoided, thereby solving the problems of large delay, packet loss and the like of a CBTC service due to co-channel interference in the first handover zone.
Fig. 6 is a flowchart of a third embodiment of a resource allocation method according to the present invention, and this embodiment mainly describes an interaction procedure between a terminal and a base station based on the embodiments shown in fig. 3 and fig. 5. As shown in fig. 6, the method of this embodiment may include:
step 601, the base station sends the handover band parameter to the terminal.
In this step, the handover band parameter is used for the terminal to determine whether the terminal is in the handover band. Optionally, the handover band parameter may include: a ratio threshold; alternatively, the handover band parameters may include a minimum value RSRP _ MIN of RSRP, and an Offset RSRP _ Offset of RSRP. Here, the base station sends the handover band parameters to the terminal, so that flexible configuration of the handover band parameters can be realized, and flexibility of the handover band parameters is improved.
Step 602, the terminal determines, according to the handover zone parameter, that the terminal is in a first handover zone between a first cell and a second cell, and sends first indication information to the base station.
In this step, the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and the second cell. For a specific manner in which the terminal determines the first handover zone between the first cell and the second cell according to the handover zone parameter, reference may be made to the related description of step 501, and details are not described here again.
Optionally, after determining that the terminal is in the first handover zone between the first cell and the second cell, the first indication information may be directly sent to the base station. Or, after determining that the terminal is in a first handover zone between a first cell and a second cell, sending first indication information to the base station only when a handover zone state identifier of the terminal changes. Here, by sending the first indication information to the base station only when the handover zone status flag of the terminal changes, information exchanged between the terminal and the base station may be reduced.
Step 603, the base station allocates the resource of the first handover zone of the first cell to the terminal according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
In this step, considering that there may be a situation where the resource of the first handover zone of the first cell is insufficient, further optionally, the allocating, to the terminal, the first handover zone resource corresponding to the first handover zone of the first cell includes:
judging whether residual resources exist in the resources of the first switching zone of the first cell;
and if the resources of the first switching zone of the first cell have residual resources, allocating the resources of the first switching zone of the first cell to the terminal.
Optionally, if there is no remaining resource in the resources of the first handover zone of the first cell, the method ends, that is, no resource is allocated to the terminal.
Alternatively, if there is no remaining resource in the resources of the first handover band of the first cell, another resource other than the resources of the first handover band of the first cell may be allocated. Specifically, resources of a non-handover band or a second handover band of the first cell may be allocated to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other. Here, when there is no remaining resource in the resource of the first handover zone of the first cell, other resources except the resource of the first handover zone of the first cell may be allocated, so that a terminal that preferentially resides in the first cell and is in a handover zone state between the first cell and a second cell, the resource of the first handover zone of the first cell is preferentially allocated, and there is no remaining resource in the resource of the first handover zone of the first cell, and other resources except the resource of the first handover zone of the first cell may also be allocated, so that on the premise of avoiding co-channel interference in the handover zone as much as possible, resources may also be allocated to the terminal in time to meet a data transmission demand of the terminal.
Further optionally, in consideration of the specificity of the resource of the handover band, the allocating, to the terminal, the resource of the non-handover band or the second handover band of the first cell includes: preferentially allocating the resources of the non-handover zone of the first cell to the terminal, and if no residual resources exist in the resources of the non-handover zone of the first cell, allocating the resources of the second handover zone of the first cell to the terminal.
Optionally, the present embodiment may further include the following steps 605-606.
Step 604, the terminal determines that the terminal is in a non-handover zone of the first cell according to the handover zone parameter, and sends second indication information to the base station.
In this step, the second indication information is used to indicate that the terminal is in a non-handover zone of the first cell. Optionally, the handover band parameter may include: and (4) a ratio threshold value. For example, when the ratio of the RSRP of a first cell received by the terminal to the RSRP of a neighboring cell received by the terminal is smaller than a ratio threshold, it may be determined that the handover status is in a non-handover zone of the first cell.
Alternatively, the optional handover band parameters may include a minimum value RSRP _ MIN of RSRP, and an Offset RSRP _ Offset of RSRP. For example, if the terminal determines that RSRP > RSRP _ MIN of the first cell, or RSRP of the neighboring cell < RSRP-RSRP _ Offset of the first cell, it may determine that the handover band information is a non-handover band that resides in the first cell.
Step 605, the base station allocates the non-handover zone resource of the first cell to the terminal according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
In this step, considering that there may be a situation where the resources of the non-handover band of the first cell are insufficient, the allocating the resources of the non-handover band of the first cell to the terminal includes:
judging whether the resources of the non-switching zone of the first cell have residual resources or not;
and if the resources of the non-handover zone of the first cell have residual resources, allocating the resources of the non-handover zone of the first cell to the terminal.
Optionally, if there is no remaining resource in the resources of the non-handover zone of the first cell, the method ends, that is, the terminal is not allocated with resources.
Alternatively, if there is no remaining resource in the resources of the non-handover band of the first cell, another resource other than the resources of the non-handover band of the first cell may be allocated. Specifically, resources of the first handover zone or the second handover zone of the first cell may be allocated to the terminal; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other. Here, when there is no remaining resource in the resource of the non-handover band of the first cell, other resources except for the resource of the non-handover band of the first cell may be allocated, so that the resource of the non-handover band of the first cell may be preferentially allocated to a terminal that resides in the first cell and is in a handover band state in the non-handover band of the first cell, and there is no remaining resource in the resource of the non-handover band of the first cell, and other resources except for the resource of the non-handover band of the first cell may also be allocated, so that on the premise of avoiding co-channel interference in the handover band as much as possible, resources may also be allocated to the terminal in time to meet a requirement for transmitting data by the terminal.
Further optionally, in consideration of the specificity of resources of a handover band, the allocating, to the terminal, resources of the first handover band or the second handover band of the first cell includes: and preferentially distributing the resources of the switching band with more idle resources in the first switching band and the second switching band to the terminal.
Optionally, the resource of the first cell is divided into a resource of a first handover zone of the first cell, a resource of a non-handover zone of the first cell, and a resource of a second handover zone of the first cell in a time domain and/or a frequency domain.
The resources of the first cell are divided in the frequency domain into resources S1 of the first handover zone of the first cell, resources S3 of the non-handover zone of the first cell, and resources S4 of the second handover zone of the first cell, for example, as shown in fig. 7A.
The resources of the first cell are divided in the time domain into resources S1 of the first handover zone of the first cell, resources S3 of the non-handover zone of the first cell, and resources S4 of the second handover zone of the first cell, for example, as shown in fig. 7B.
The resources of the first cell are divided in the time domain and the frequency domain into resources S1 of the first handover zone of the first cell, resources S3 of the non-handover zone of the first cell, and resources S4 of the second handover zone of the first cell, for example, as shown in fig. 7C.
It should be noted that, in fig. 6, the steps 605 to 606 are taken as an example after the steps 601 to 603, and there is no restriction on the order of execution of the steps 605 to 606 and the steps 601 to 603.
It should be noted that, in the embodiment of the present invention, a specific manner of determining, by the terminal, whether the terminal is in the first handover zone between the first cell and the second cell or in the non-handover zone of the first cell is not limited.
In this embodiment, the base station allocates the resource of the first handover zone of the first cell to the terminal according to the first indication information, and allocates the resource of the non-handover zone of the first cell to the terminal according to the second indication information, and the resource of the first handover zone of the first cell is different from the resource of the first handover zone of the second cell and the resource of the non-handover zone of the first cell, so that the resource of the first cell is divided into the handover zone resource and the non-handover zone resource, and the resource of the first handover zone of the first cell is conveniently allocated to the terminal of the first handover zone between the first cell and the second cell.
Fig. 8 is a schematic structural diagram of a first embodiment of a resource allocation apparatus of the components of the present invention, and the apparatus provided in this embodiment may be applied to the foregoing method embodiments to implement the functions of the base station. As shown in fig. 8, the apparatus of the present embodiment may include: a receiving module 801 and an assigning module 802. Wherein,
a receiving module 801, configured to receive first indication information sent by a terminal camped on a first cell, where the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and a second cell;
an allocating module 802, configured to allocate, to the terminal, resources of the first handover zone of the first cell according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
Optionally, the allocating module 802 includes: a first judgment sub-module 8021 and a first assignment sub-module 8022;
a first determining submodule 8021, configured to determine whether there is a remaining resource in the resources of the first handover zone of the first cell;
a first allocating submodule 8022, configured to allocate the resource of the first handover zone of the first cell to the terminal if there is a remaining resource in the resource of the first handover zone of the first cell.
Optionally, the first allocating sub-module 8022 is further configured to:
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
Optionally, the receiving module 801 is further configured to receive second indication information sent by the terminal, where the second indication information is used to indicate that the terminal is in a non-handover zone of the first cell; (ii) a
An allocating module 802, further configured to allocate, to the terminal, resources of a non-handover zone of the first cell according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
Optionally, the allocating module 802 includes: a second decision sub-module 8023 and a second allocation sub-module 8024;
a second determining submodule 8023, configured to determine whether there are remaining resources in the resources of the non-handover zone of the first cell;
a second allocating submodule 8024, configured to allocate, to the terminal, the resource of the non-handover band of the first cell if there is a remaining resource in the resources of the non-handover band of the first cell.
Optionally, the second allocating sub-module 8024 is further configured to allocate, to the terminal, resources of the first handover zone or the second handover zone of the first cell if there is no remaining resource in the resources of the non-handover zone of the first cell; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
Optionally, the resource of the first cell is divided into a resource of a first handover zone of the first cell, a resource of a non-handover zone of the first cell, and a resource of a second handover zone of the first cell in a time domain and/or a frequency domain.
Optionally, the first indication information includes: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
The apparatus of this embodiment may be configured to implement the technical solution at the base station side in the foregoing method embodiments, and the implementation principle and technical effect thereof are similar, and are not described herein again.
Fig. 9 is a schematic structural diagram of a second embodiment of a resource allocation apparatus of the component in the present invention, and the apparatus provided in this embodiment may be applied to the foregoing method embodiment to implement the function of the terminal thereof. As shown in fig. 9, the apparatus of the present embodiment may include: a determining module 901 and a sending module 902. Wherein,
a determining module 901, configured to determine a first handover zone between a first cell and a second cell;
a sending module 902, configured to send first indication information to a base station, where the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and a second cell.
Optionally, the determining module 901 is further configured to determine a non-handover zone in the first cell;
a sending module 902, further configured to send, after the determining module 901 determines that the terminal is in the non-handover zone of the first cell, second indication information to the base station, where the second indication information is used to indicate that the terminal is in the non-handover zone of the first cell.
Optionally, the first indication information includes: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
The apparatus of this embodiment may be configured to implement the technical solution at the terminal side in the foregoing method embodiments, and the implementation principle and technical effect thereof are similar, and are not described herein again.
Fig. 10 is a schematic structural diagram of an embodiment of a base station according to the present invention, and as shown in fig. 10, the base station of this embodiment may include: a processor 1001 and a memory 1002 for storing computer instructions; the processor 1001 executes the computer instructions to perform the following method:
receiving first indication information sent by a terminal residing in a first cell, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell;
allocating resources of the first handover zone of the first cell to the terminal according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
In one design implementation, the allocating, to the terminal, first handover band resources corresponding to the first handover band of the first cell includes:
judging whether residual resources exist in the resources of the first switching zone of the first cell;
and if the resources of the first switching zone of the first cell have residual resources, allocating the resources of the first switching zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation, the method further includes:
receiving second indication information sent by the terminal, wherein the second indication information is used for indicating that the terminal is in a non-handover zone of the first cell;
allocating resources of a non-handover zone of the first cell to the terminal according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
In one possible implementation design, the allocating, to the terminal, resources of a non-handover band of the first cell includes:
judging whether the resources of the non-switching zone of the first cell have residual resources or not;
and if the resources of the non-handover zone of the first cell have residual resources, allocating the resources of the non-handover zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the non-handover band resources of the first cell, allocating the resources of the first handover band or a second handover band of the first cell to the terminal; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation design, the resources of the first cell are divided in a time domain and/or a frequency domain into resources of a first handover band of the first cell, resources of a non-handover band of the first cell, and resources of a second handover band of the first cell.
In one possible implementation, the first indication information includes: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
The base station of this embodiment may be configured to implement the technical solution at the base station side in the foregoing method embodiments, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 11 is a schematic structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 11, a base station according to this embodiment may include: a processor 1101 and a memory 1102 for storing computer instructions; the processor 1101 executes the computer instructions to perform the following method:
determining a first handover zone between a first cell and a second cell;
and sending first indication information to a base station, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell.
In one possible implementation, the method further includes:
determining a non-handover zone in the first cell;
and sending second indication information to the base station, wherein the second indication information is used for indicating that the terminal is in a non-switching zone of the first cell.
In one possible implementation, the first indication information includes: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
The terminal of this embodiment may be configured to implement the technical solution at the terminal side in the foregoing method embodiments, and the implementation principle and technical effect of the terminal are similar, and are not described herein again.
An embodiment of the present invention further provides a resource allocation system, including: the resource allocation apparatus provided in the embodiments shown in fig. 8 and 9; alternatively, the base station provided in the embodiment shown in fig. 10 and the terminal provided in the embodiment shown in fig. 11.
An embodiment of the present invention further provides a storage medium, where instructions in the storage medium, when executed by a processor of a base station, enable the base station to perform a resource allocation method, where the method includes:
receiving first indication information sent by a terminal residing in a first cell, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell;
allocating resources of the first handover zone of the first cell to the terminal according to the first indication information; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell.
In one possible implementation design, the allocating, to the terminal, first handover band resources corresponding to the first handover band of the first cell includes:
judging whether residual resources exist in the resources of the first switching zone of the first cell;
and if the resources of the first switching zone of the first cell have residual resources, allocating the resources of the first switching zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation, the method further includes:
receiving second indication information sent by the terminal, wherein the second indication information is used for indicating that the terminal is in a non-handover zone of the first cell;
allocating resources of a non-handover zone of the first cell to the terminal according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
In one design implementation, the allocating, to the terminal, resources of a non-handover zone of the first cell includes:
judging whether the resources of the non-switching zone of the first cell have residual resources or not;
and if the resources of the non-handover zone of the first cell have residual resources, allocating the resources of the non-handover zone of the first cell to the terminal.
In one possible implementation, the method further includes:
if no residual resource exists in the non-handover band resources of the first cell, allocating the resources of the first handover band or a second handover band of the first cell to the terminal; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
In one possible implementation design, the resources of the first cell are divided in a time domain and/or a frequency domain into resources of a first handover band of the first cell, resources of a non-handover band of the first cell, and resources of a second handover band of the first cell.
In one possible implementation, the first indication information includes: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
An embodiment of the present invention further provides a storage medium, where instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform a resource allocation method, where the method includes:
determining a first handover zone between a first cell and a second cell;
and sending first indication information to a base station, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell.
In one possible implementation, the method further includes:
determining a non-handover zone in the first cell;
and sending second indication information to the base station, wherein the second indication information is used for indicating that the terminal is in a non-switching zone of the first cell.
In one possible implementation, the first indication information includes: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A method for resource allocation, comprising:
receiving first indication information sent by a terminal residing in a first cell, wherein the first indication information is used for indicating that the terminal is in a first switching zone between the first cell and a second cell;
judging whether residual resources exist in the resources of the first switching zone of the first cell;
if the resources of the first switching zone of the first cell have residual resources, allocating the resources of the first switching zone of the first cell to the terminal; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell;
if no residual resource exists in the resources of the first switching zone of the first cell, allocating the resources of a non-switching zone or a second switching zone of the first cell to the terminal; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
2. The method of claim 1, further comprising:
receiving second indication information sent by the terminal, wherein the second indication information is used for indicating that the terminal is in a non-handover zone of the first cell;
allocating resources of a non-handover zone of the first cell to the terminal according to the second indication information; the resources of the non-handover band of the first cell are different from the resources of the first handover band of the first cell.
3. The method of claim 2, wherein the allocating resources of the non-handover band of the first cell to the terminal comprises:
judging whether the resources of the non-switching zone of the first cell have residual resources or not;
and if the resources of the non-handover zone of the first cell have residual resources, allocating the resources of the non-handover zone of the first cell to the terminal.
4. The method of claim 3, further comprising:
if no residual resource exists in the non-handover band resources of the first cell, allocating the resources of the first handover band or a second handover band of the first cell to the terminal; the second handover zone is a handover zone of the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
5. The method according to claim 1 or 4, wherein the resources of the first cell are divided in time domain and/or frequency domain into the resources of the first handover band of the first cell, the resources of the non-handover band of the first cell and the resources of the second handover band of the first cell.
6. The method according to any one of claims 1-4, wherein the first indication information comprises: and indicating the terminal to be in a switching zone state identifier of a switching zone and the identifier of the second cell.
7. A method for resource allocation, comprising:
determining a first handover zone between a first cell and a second cell;
sending first indication information to a base station, wherein the first indication information is used for indicating that a terminal is in a first switching zone between a first cell and a second cell; the first indication information is used for the base station to judge whether the resources of the first switching zone of the first cell have residual resources;
receiving resources of a first handover zone of the first cell allocated for the first cell from a base station when there are remaining resources in the resources of the first handover zone of the first cell; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell;
receiving, when there is no remaining resource in the resources of the first handover zone of the first cell, resources of a non-handover zone or a second handover zone of the first cell allocated to the first cell by a base station; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
8. The method of claim 7, further comprising:
determining a non-handover zone in the first cell;
and sending second indication information to the base station, wherein the second indication information is used for indicating that the terminal is in a non-switching zone of the first cell.
9. The method according to claim 7 or 8, wherein the first indication information comprises: a handover zone state identifier for indicating that the terminal is in a handover zone and an identifier of the second cell.
10. A resource allocation apparatus, comprising:
a receiving module, configured to receive first indication information sent by a terminal camped on a first cell, where the first indication information is used to indicate that the terminal is in a first handover zone between the first cell and a second cell;
a first determining submodule, configured to determine whether there are remaining resources in the resources of the first handover zone of the first cell;
a first allocating submodule, configured to allocate the resource of the first handover zone of the first cell to the terminal if there is a remaining resource in the resource of the first handover zone of the first cell; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell;
the first allocating sub-module is further configured to allocate, to the terminal, a resource of a non-handover zone or a second handover zone of the first cell if there is no remaining resource in the resource of the first handover zone of the first cell; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
11. A resource allocation apparatus, comprising:
a determining module for determining a first handover zone between a first cell and a second cell;
a sending module, configured to send first indication information to a base station, where the first indication information is used to indicate that a terminal is in a first handover zone between a first cell and a second cell;
a receiving module, configured to receive, when there is a remaining resource in the resources of the first handover zone of the first cell, a resource of the first handover zone of the first cell allocated to the first cell from a base station; the resources of the first handover band of the first cell are different from the resources of the first handover band of the second cell;
the receiving module is further configured to receive, when there is no remaining resource in the resources of the first handover zone of the first cell, resources of a non-handover zone or a second handover zone of the first cell allocated to the first cell by a base station; the second handover zone is a handover zone between the first cell and a third cell, and the resource of the first handover zone of the first cell, the resource of the non-handover zone of the first cell, and the resource of the second handover zone of the first cell are different from each other.
12. A resource allocation apparatus, comprising:
a processor and a memory for storing computer instructions; the processor executes the computer instructions to perform the method of any of claims 1-6.
13. A resource allocation apparatus, comprising:
a processor and a memory for storing computer instructions; the processor executes the computer instructions to perform the method of any of claims 7-9.
14. A resource allocation system, comprising: the resource allocation apparatus of claim 12, and the resource allocation apparatus of claim 13.
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