CN105704826B - Multi-carrier scheduling coordination method, device and base station - Google Patents
Multi-carrier scheduling coordination method, device and base station Download PDFInfo
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- CN105704826B CN105704826B CN201410680535.8A CN201410680535A CN105704826B CN 105704826 B CN105704826 B CN 105704826B CN 201410680535 A CN201410680535 A CN 201410680535A CN 105704826 B CN105704826 B CN 105704826B
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Abstract
The invention provides a multi-carrier scheduling coordination method, a device and a base station, which comprises the steps of obtaining the state information of a multi-carrier terminal on a main carrier; presetting main carrier authorization information for the multi-carrier terminal according to the state information; receiving at least one auxiliary carrier authorization message, wherein the at least one auxiliary carrier authorization message is preset for the multi-carrier terminal by at least one auxiliary carrier scheduler; adjusting the authorization information of the main carrier and the authorization information of at least one auxiliary carrier according to the bearing capacity of the multi-carrier terminal; respectively sending the adjusted at least one auxiliary carrier authorization information to the corresponding at least one auxiliary carrier scheduler; and allocating the main carrier resources for the multi-carrier terminal according to the adjusted main carrier authorization information. Through the technical scheme, the problem that the multi-carrier can only be scheduled by the multi-carrier HSUPA scheduler arranged on the same physical unit in the prior art is solved. The requirement of multi-carrier centralized scheduling can be met, and the multi-carrier HSUPA scheduler can be easily deployed.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a multi-carrier scheduling coordination method, apparatus, and base station.
Background
In order to increase the uplink rate of the user, the 3GPP R9 release starts to introduce a multi-carrier HSUPA (high speed uplink packet access) technology, and uses multiple uplink carriers for transmission, so as to achieve the purpose.
Prior to the introduction of multi-carrier HSUPA techniques, HSUPA scheduling in the base station was done for a single carrier. When a plurality of carriers are introduced, the plurality of carriers need to be scheduled at the same time, which results in that HSUPA schedulers of the plurality of carriers need to be centralized to achieve the purpose of unified scheduling, and in general, the simplest way to centralize the HSUPA schedulers of the plurality of carriers is to deploy the schedulers on the same physical Unit, such as a chip, a baseband board, and a BBU (Base Band Unit ), but this increases the limitation of the multi-carrier HSUPA scheduler in deployment, is not favorable for the use of multi-carrier HSUPA scheduling, and is favorable for smooth upgrade of single carrier HSUPA scheduling to multi-carrier HSUPA scheduling.
Disclosure of Invention
The invention provides a multi-carrier scheduling coordination method, a device and a base station, which solve the problem that the prior multi-carrier HSUPA scheduler only can schedule multi-carriers deployed on the same physical unit.
In order to solve the above technical problem, the present invention provides a multi-carrier scheduling coordination method, which includes:
acquiring state information of a multi-carrier terminal on a main carrier;
presetting main carrier authorization information for the multi-carrier terminal according to the state information;
receiving at least one auxiliary carrier authorization message, wherein the at least one auxiliary carrier authorization message is preset for the multi-carrier terminal by at least one auxiliary carrier scheduler;
adjusting the main carrier authorization information and at least one auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal;
respectively sending the adjusted at least one auxiliary carrier authorization information to at least one corresponding auxiliary carrier scheduler;
and allocating main carrier resources for the multi-carrier terminal according to the adjusted main carrier authorization information.
In an embodiment of the present invention, the acquiring the state information of the multi-carrier terminal on the primary carrier specifically includes:
receiving demodulation information of the multi-carrier terminal on a main carrier last time;
and acquiring the average rate of the multi-carrier terminal on a main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information according to the demodulation information, and taking the average rate of the multi-carrier terminal on the main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information as the status information.
In an embodiment of the present invention, the method further comprises:
sending out the average speed of the multi-carrier terminal on a main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information;
and receiving the average rate of the multi-carrier terminal on other carriers, the total buffer state information of the enhanced dedicated channel and scheduling information.
In an embodiment of the present invention, the bearer capability of the multi-carrier terminal includes a maximum transmission power allowed by the multi-carrier terminal, or a total transmission request amount of the multi-carrier terminal.
In an embodiment of the present invention, after allocating the primary carrier resource to the multi-carrier terminal according to the adjusted primary carrier authorization information, the method further includes:
reserving corresponding carrier resources to the residual resources according to the adjusted main carrier authorization information;
and taking the residual resources as allocable resources to be allocated again.
The invention also provides a multi-carrier scheduling cooperation method, which comprises the following steps:
acquiring state information of a multi-carrier terminal on an auxiliary carrier;
presetting auxiliary carrier authorization information for the multi-carrier terminal according to the state information;
sending the auxiliary carrier authorization information to a main carrier dispatcher of the multi-carrier terminal;
Receiving the adjusted auxiliary carrier authorization information sent by the main carrier scheduler;
and distributing auxiliary carrier resources for the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
In an embodiment of the present invention, the acquiring the state information of the multi-carrier terminal on the secondary carrier specifically includes:
receiving demodulation information of the multi-carrier terminal on the auxiliary carrier last time;
and acquiring the average rate of the multi-carrier terminal on an auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information according to the demodulation information, and taking the average rate of the multi-carrier terminal on the auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information as the status information.
In an embodiment of the present invention, the method further comprises:
sending out the average speed of the multi-carrier terminal on the auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information;
and receiving the average rate of the multi-carrier terminal on other carriers, the total buffer state information of the enhanced dedicated channel and scheduling information.
In an embodiment of the present invention, after allocating the secondary carrier resource to the multi-carrier terminal according to the adjusted secondary carrier authorization information, the method further includes:
Reserving corresponding carrier resources to the residual resources according to the adjusted auxiliary carrier authorization information;
and taking the residual resources as allocable resources to be allocated again.
The invention also provides a multi-carrier scheduling cooperation method, which comprises the following steps:
a main carrier dispatcher acquires first state information of a multi-carrier terminal on a main carrier, and presets main carrier authorization information for the multi-carrier terminal according to the first state information;
at least one auxiliary carrier dispatcher acquires second state information of a multi-carrier terminal on an auxiliary carrier, auxiliary carrier authorization information is preset for the multi-carrier terminal according to the second state information, and the auxiliary carrier dispatcher sends the auxiliary carrier authorization information to the main carrier dispatcher;
the main carrier scheduler receives the auxiliary carrier authorization information sent by the at least one auxiliary carrier scheduler, adjusts the main carrier authorization information and the auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal, and correspondingly sends the adjusted auxiliary carrier authorization information to the at least one auxiliary carrier scheduler;
the main carrier wave dispatcher distributes main carrier wave resources for the multi-carrier wave terminal according to the adjusted main carrier wave authorization information;
And the at least one auxiliary carrier scheduler respectively receives the adjusted auxiliary carrier authorization information sent by the main carrier scheduler and allocates auxiliary carrier resources to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
The invention also provides a multi-carrier scheduling cooperative apparatus, comprising:
the first acquisition module is used for acquiring the state information of the multi-carrier terminal on the main carrier;
the first preset module is used for presetting main carrier authorization information for the multi-carrier terminal according to the state information acquired by the first acquisition module;
a first receiving module, configured to receive at least one auxiliary carrier authorization information, where the at least one auxiliary carrier authorization information is preset by at least one auxiliary carrier scheduler for the multi-carrier terminal;
the adjusting module is used for adjusting the main carrier authorization information and the at least one auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal;
the first sending module is used for sending the at least one auxiliary carrier authorization information adjusted by the adjusting module to the corresponding at least one auxiliary carrier scheduler respectively;
and the first allocation module is used for allocating main carrier resources for the multi-carrier terminal according to the main carrier authorization information adjusted by the adjustment module.
In one embodiment of the present invention, the first and second electrodes are,
the first receiving module is further configured to receive demodulation information of the multi-carrier terminal on a primary carrier last time;
the first obtaining module is specifically configured to obtain, according to the demodulation information received by the first receiving module, an average rate of the multi-carrier terminal on a main carrier, total buffer status information of the enhanced dedicated channel, and scheduling information, and use the average rate of the multi-carrier terminal on the main carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information as the status information.
In one embodiment of the present invention, the first and second electrodes are,
the first sending module is further configured to send the average rate of the multi-carrier terminal on the main carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the first obtaining module;
the first receiving module is further configured to receive an average rate of the multi-carrier terminal on other carriers, enhanced dedicated channel total buffer status information, and scheduling information.
In one embodiment of the present invention, the first and second electrodes are,
the adjusting module is specifically configured to adjust the primary carrier authorization information and the at least one secondary carrier authorization information according to a maximum transmission power allowed by the multi-carrier terminal or according to a total transmission request amount of the multi-carrier terminal.
In an embodiment of the present invention, the method further comprises:
the first reserving module is used for reserving corresponding carrier resources to the residual resources according to the main carrier authorization information adjusted by the adjusting module;
the first allocation module is further configured to allocate the remaining resources as allocable resources.
The invention also provides a multi-carrier scheduling cooperative apparatus, comprising:
the second acquisition module is used for acquiring the state information of the multi-carrier terminal on the auxiliary carrier;
the second preset module is used for presetting auxiliary carrier authorization information for the multi-carrier terminal according to the state information acquired by the second acquisition module;
the second sending module is used for sending the auxiliary carrier authorization information preset by the second preset module to the main carrier dispatcher of the multi-carrier terminal;
a second receiving module, configured to receive the adjusted auxiliary carrier authorization information sent by the main carrier scheduler;
and the second allocating module is used for allocating the auxiliary carrier resources to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information received by the second receiving module.
In one embodiment of the present invention, the first and second electrodes are,
the second receiving module is further configured to receive demodulation information of the multi-carrier terminal on the secondary carrier last time;
The second obtaining module is specifically configured to obtain, according to the demodulation information received by the second receiving module, the average rate of the multi-carrier terminal on the secondary carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information, and use the average rate of the multi-carrier terminal on the secondary carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information as the status information.
In one embodiment of the present invention, the first and second electrodes are,
the second sending module is further configured to send the average rate of the multi-carrier terminal on the secondary carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the second obtaining module;
the second receiving module is further configured to receive an average rate of the multi-carrier terminal on other carriers, enhanced dedicated channel total buffer status information, and scheduling information.
In an embodiment of the present invention, the method further comprises:
a second reserving module, configured to reserve corresponding carrier resources to the remaining resources according to the adjusted auxiliary carrier authorization information received by the second receiving module;
the second allocating module is further configured to allocate the remaining resources as allocable resources.
The present invention also provides a base station, which is characterized in that the base station includes at least two physical units, each of the at least two physical units is connected with each other, and the physical unit includes at least one of the above-mentioned multi-carrier scheduling coordination apparatuses.
The invention has the beneficial effects that:
the invention provides a multi-carrier scheduling cooperation method, a device and a base station, which can meet the requirement of multi-carrier centralized scheduling and can flexibly deploy HSUPA schedulers of different carriers to different physical units such as chips, baseband boards and BBUs through the cooperation scheduling of a multi-carrier HSUPA scheduler, so that the deployment limit of the multi-carrier HSUPA scheduler is as small as possible, and the multi-carrier HSUPA scheduler is easier to deploy.
Drawings
Fig. 1 is a flowchart of a multi-carrier scheduling coordination method according to an embodiment of the present invention;
fig. 2 is a flowchart of a multi-carrier scheduling coordination method according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a multi-carrier scheduling coordination apparatus according to a fourth embodiment of the present invention;
fig. 4 is a schematic structural diagram of a multi-carrier scheduling coordination apparatus according to a fifth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
The first embodiment is as follows:
fig. 1 is a flowchart of a multi-carrier scheduling coordination method according to an embodiment of the present invention, and as shown in fig. 1, the multi-carrier scheduling coordination method includes:
s101: acquiring state information of a multi-carrier terminal on a main carrier;
s102: presetting main carrier authorization information for the multi-carrier terminal according to the state information;
s103: receiving at least one auxiliary carrier authorization message, wherein the at least one auxiliary carrier authorization message is preset for the multi-carrier terminal by at least one auxiliary carrier scheduler;
S104: adjusting the authorization information of the main carrier and the authorization information of at least one auxiliary carrier according to the bearing capacity of the multi-carrier terminal;
s105: respectively sending the adjusted at least one auxiliary carrier authorization information to the corresponding at least one auxiliary carrier scheduler;
s106: and allocating the main carrier resources for the multi-carrier terminal according to the adjusted main carrier authorization information.
Specifically, in order to reduce the deployment limitation of the multi-carrier HSUPA scheduler as much as possible and meet the requirement of multi-carrier centralized scheduling, for a multi-carrier terminal, it may support multiple carriers for transmission, and after it accesses a certain carrier resource, it may correspondingly determine a primary carrier scheduler, that is, the multi-carrier HSUPA scheduler to which the carrier resource accessed by the multi-carrier terminal belongs is used as the primary carrier scheduler of the multi-carrier terminal, and the primary carrier scheduler may allocate a corresponding primary carrier resource for the multi-carrier terminal to use. It should be noted that, for a certain multi-carrier HSUPA scheduler, it may be used as both a primary carrier scheduler and a secondary carrier scheduler for different multi-carrier terminals, or as both a primary carrier scheduler and a secondary carrier scheduler.
In this embodiment, when a certain multi-carrier HSUPA scheduler is determined as a primary carrier scheduler, after initialization is completed, local carrier scheduling can be performed, and pre-allocation authorization is completed. In order to allocate corresponding primary carrier resources to all multi-carrier terminals accessing the primary carrier, according to the state information of the multi-carrier terminals on the primary carrier, the acquiring method of the state information includes, but is not limited to, the following methods: the main carrier scheduler receives the last demodulation Information of the multi-carrier terminal on the main carrier, acquires the average rate of the multi-carrier terminal on the main carrier, the TEBS (the Total E-DCH Buffer State, the enhanced dedicated channel Total Buffer status) Information and the SI (Scheduling Information) according to the demodulation Information, updates the average rate of the multi-carrier terminal on the main carrier, the TEBS Information and the SI as the status Information, and provides a corresponding carrier resource allocation basis. And presetting main carrier authorization information for the multi-carrier terminal according to the acquired state information, namely presetting main carrier resources which can be used for the multi-carrier terminal. It should be noted that, in one case, the obtaining manner may be obtained after the primary carrier scheduler allocates the primary carrier resource to the multi-carrier terminal last time, that is, after the multi-carrier terminal uses the primary carrier resource last time, the demodulation information on the primary carrier is sent to the primary carrier scheduler, and the primary carrier scheduler obtains and updates the state information according to the demodulation information, so that the primary carrier scheduler provides a basis when allocating the primary carrier resource to the multi-carrier terminal this time, and completes the presetting of the primary carrier authorization information. In another case, the obtaining mode may be obtained before the main carrier scheduler needs to allocate the main carrier resource to the multi-carrier terminal, that is, the multi-carrier terminal does not need to send its demodulation information on the main carrier after using the main carrier resource last time, but when the main carrier scheduler allocates the main carrier resource to the multi-carrier terminal this time, the multi-carrier terminal sends its demodulation information on the main carrier again, and the main carrier scheduler obtains and updates the state information according to the demodulation information, so that the main carrier scheduler provides a basis when allocating the main carrier resource to the multi-carrier terminal this time, and completes the presetting of the main carrier authorization information. Further, in order to provide the other multi-carrier schedulers with the corresponding carrier resource allocation basis, the main carrier scheduler further sends out the obtained average rate of the multi-carrier terminal on the main carrier, the TEBS information and the SI, that is, broadcasts the obtained average rate, the TEBS information and the SI to the other multi-carrier schedulers, and also receives the average rate of the multi-carrier terminal on the other carriers, the TEBS information and the SI sent by the other multi-carrier schedulers so as to be used for scheduling of the next carrier resource.
In this embodiment, after the primary carrier scheduler obtains the state information of the multi-carrier terminal on the primary carrier, according to the state information, the primary carrier authorization information is respectively preset for all multi-carrier terminals accessing the resource of the carrier according to the single-carrier scheduling algorithm flow. In addition, the multi-carrier terminal may select to use other carriers while accessing a certain carrier to determine the primary carrier, that is, may select to use at least one secondary carrier resource in addition to the primary carrier resource. The method comprises the steps that a main carrier scheduler receives at least one auxiliary carrier authorization message, the at least one auxiliary carrier authorization message is preset by at least one auxiliary carrier scheduler for a multi-carrier terminal, the multi-carrier terminal can select the at least one auxiliary carrier scheduler to enable the at least one auxiliary carrier scheduler to respectively allocate corresponding auxiliary carrier resources for the at least one auxiliary carrier scheduler, and the main carrier scheduler adjusts the main carrier authorization message and the at least one auxiliary carrier authorization message according to the carrying capacity of the multi-carrier terminal, namely the carrying capacity of the multi-carrier terminal is used as a principle basis for adjusting the main carrier authorization message and the at least one auxiliary carrier authorization message, wherein the principle basis includes but is not limited to the maximum transmitting power allowed by the multi-carrier terminal, the total transmission request quantity of the multi-carrier terminal and the like, and for example, the main carrier resources, the auxiliary carrier authorization messages and the like can, When the auxiliary carrier resources are used, the maximum transmission power of the auxiliary carrier resources is not exceeded, or the total transmission request amount of the multi-carrier terminal is not exceeded according to the total transmission request amount of the multi-carrier terminal, so that the main carrier authorization information and the at least one auxiliary carrier authorization information need to be adjusted, that is, the main carrier resources and the auxiliary carrier resources allocated to the multi-carrier terminal are modified, and the multi-carrier terminal can work better. Of course, the primary carrier authorization information and the secondary carrier authorization information may also be appropriately adjusted according to other principles, so as to satisfy the carrying capability of the multi-carrier terminal.
In this embodiment, after the main carrier scheduler adjusts the main carrier authorization information and the at least one auxiliary carrier authorization information according to the carrying capacity of the multi-carrier terminal, the at least one auxiliary carrier authorization information is respectively sent to the corresponding at least one auxiliary carrier scheduler, so that the at least one auxiliary carrier scheduler performs processing according to the adjusted auxiliary carrier authorization information, and the main carrier scheduler allocates the main carrier resource to the multi-carrier terminal according to the adjusted main carrier authorization information. After the main carrier wave scheduler allocates the main carrier wave resource to the multi-carrier wave terminal, the corresponding carrier wave resource is reserved to the residual resource according to the adjusted main carrier wave authorization information, and the residual resource is allocated as the allocable resource, for example, the carrier wave resource is allocated to the non-multi-carrier wave terminal accessing the carrier wave according to the residual resource. After the main carrier scheduler allocates carrier resources for the multi-carrier terminal and the non-multi-carrier terminal, the allocated carrier resources are respectively issued to the multi-carrier terminal and the non-multi-carrier terminal, so that the multi-carrier terminal and the non-multi-carrier terminal use the carrier resources to transmit uplink data, and the uplink rate of a user is improved.
Through the cooperative scheduling of the multi-carrier HSUPA scheduler, the requirement of multi-carrier centralized scheduling can be met, and HSUPA schedulers of different carriers can be flexibly deployed on different physical units, such as chips, baseband boards and BBUs, so that the deployment limit of the multi-carrier HSUPA scheduler is as small as possible, and the multi-carrier HSUPA scheduler is easier to deploy.
Example two:
fig. 2 is a flowchart of a multi-carrier scheduling coordination method according to a second embodiment of the present invention, and as shown in fig. 2, the multi-carrier scheduling coordination method includes:
s201: acquiring state information of a multi-carrier terminal on an auxiliary carrier;
s202: presetting auxiliary carrier authorization information for the multi-carrier terminal according to the state information;
s203: sending the auxiliary carrier authorization information to a main carrier dispatcher of a multi-carrier terminal;
s204: receiving adjusted auxiliary carrier authorization information sent by a main carrier scheduler;
s205: and distributing auxiliary carrier resources for the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
Specifically, in order to reduce the deployment limitation of the multi-carrier HSUPA scheduler as much as possible and meet the requirement of multi-carrier centralized scheduling, for the multi-carrier terminal, it can support multiple carriers for transmission, and after it accesses a certain carrier resource, the primary carrier scheduler may be determined accordingly, i.e. the multi-carrier HSUPA scheduler to which the carrier resources accessed by the multi-carrier terminal belong is taken as the primary carrier scheduler of the multi-carrier terminal, the primary carrier scheduler can allocate corresponding primary carrier resources for the multi-carrier terminal to be used by the multi-carrier terminal, the multi-carrier terminal can select to use other carriers while accessing a certain carrier to determine the primary carrier, that is, in addition to the primary carrier resources, at least one secondary carrier resource may be selected for use, and the at least one secondary carrier scheduler allocates the secondary carrier resources to the multi-carrier terminal. It should be noted that, for a certain multi-carrier HSUPA scheduler, it may be used as both a primary carrier scheduler and a secondary carrier scheduler for different multi-carrier terminals, or as both a primary carrier scheduler and a secondary carrier scheduler.
In this embodiment, when a certain multi-carrier HSUPA scheduler is determined as the secondary carrier scheduler, after initialization is completed, local carrier scheduling can be performed, and pre-allocation authorization is completed. In order to allocate corresponding secondary carrier resources to all the multi-carrier terminals that select the secondary carrier, according to the state information of the multi-carrier terminal on the secondary carrier, the obtaining manner of the state information includes, but is not limited to, the following manners: the auxiliary carrier scheduler receives the demodulation Information of the multi-carrier terminal on the auxiliary carrier last time, acquires the average rate of the multi-carrier terminal on the auxiliary carrier, the TEBS (the Total E-DCH Buffer State, the enhanced dedicated channel Total Buffer status) Information and the SI (Scheduling Information) according to the demodulation Information, updates the average rate of the multi-carrier terminal on the auxiliary carrier, the TEBS Information and the SI as the status Information, and provides a corresponding carrier resource allocation basis. And presetting auxiliary carrier authorization information for the multi-carrier terminal according to the acquired state information, namely presetting usable auxiliary carrier resources for the multi-carrier terminal. It should be noted that, in one case, the obtaining manner may be obtained after the auxiliary carrier scheduler allocates the auxiliary carrier resource to the multi-carrier terminal last time, that is, after the multi-carrier terminal uses the auxiliary carrier resource last time, the demodulation information on the auxiliary carrier is sent to the auxiliary carrier scheduler, and the auxiliary carrier scheduler obtains and updates the state information according to the demodulation information, so that the auxiliary carrier scheduler provides a basis when allocating the auxiliary carrier resource to the multi-carrier terminal this time, and completes the presetting of the auxiliary carrier authorization information. In another case, the obtaining mode may be obtained before the auxiliary carrier scheduler needs to allocate the auxiliary carrier resource to the multi-carrier terminal, that is, the multi-carrier terminal does not need to send its demodulation information on the auxiliary carrier after using the auxiliary carrier resource last time, but when the auxiliary carrier scheduler allocates the auxiliary carrier resource to the multi-carrier terminal this time, the multi-carrier terminal sends its demodulation information on the auxiliary carrier again, and the auxiliary carrier scheduler obtains and updates the state information according to the demodulation information, so that the auxiliary carrier scheduler provides a basis for allocating the auxiliary carrier resource to the multi-carrier terminal this time, and completes the presetting of the auxiliary carrier authorization information. Further, in order to provide the other multi-carrier schedulers with the corresponding carrier resource allocation basis, the secondary carrier scheduler further sends out the obtained average rate of the multi-carrier terminal on the secondary carrier, the TEBS information and the SI, that is, broadcasts the obtained average rate, the TEBS information and the SI to the other multi-carrier schedulers, and simultaneously receives the average rate of the multi-carrier terminal on the other carriers, the TEBS information and the SI sent by the other multi-carrier schedulers so as to be used for scheduling the next carrier resource.
In this embodiment, after the auxiliary carrier scheduler obtains the state information of the multi-carrier terminal on the auxiliary carrier, according to the state information, respectively presetting auxiliary carrier authorization information for all multi-carrier terminals that select the auxiliary carrier resource according to a single-carrier scheduling algorithm flow, after the auxiliary carrier scheduler presets the auxiliary carrier authorization information, sending the auxiliary carrier authorization information to the main carrier scheduler of the multi-carrier terminal, adjusting the auxiliary carrier authorization information by the main carrier scheduler according to the carrying capacity of the multi-carrier terminal, receiving the adjusted auxiliary carrier authorization information sent by the main carrier scheduler by the auxiliary carrier scheduler, and allocating the auxiliary carrier resource to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information. After the auxiliary carrier authorization information is adjusted according to the carrying capacity of the multi-carrier terminal, the auxiliary carrier resources allocated to the multi-carrier terminal are reduced, so that after the auxiliary carrier scheduler allocates the auxiliary carrier resources to the multi-carrier terminal, corresponding carrier resources are reserved to the residual resources according to the adjusted auxiliary carrier authorization information, the residual resources are allocated as allocable resources, and if the non-multi-carrier terminal accessing the carrier is allocated with the carrier resources according to the residual resources, the non-multi-carrier terminal is allocated with the carrier resources. After the auxiliary carrier scheduler allocates carrier resources to the multi-carrier terminal and the non-multi-carrier terminal, the allocated carrier resources are respectively issued to the multi-carrier terminal and the non-multi-carrier terminal, so that the multi-carrier terminal and the non-multi-carrier terminal use the carrier resources to transmit uplink data, and the uplink rate of a user is improved.
Through the cooperative scheduling of the multi-carrier HSUPA scheduler, the requirement of multi-carrier centralized scheduling can be met, and HSUPA schedulers of different carriers can be flexibly deployed on different physical units, such as chips, baseband boards and BBUs, so that the deployment limit of the multi-carrier HSUPA scheduler is as small as possible, and the multi-carrier HSUPA scheduler is easier to deploy.
Example three:
in this embodiment, mainly for a specific multi-carrier terminal, according to the primary carrier resource accessed by the multi-carrier terminal and the selected secondary carrier resource, the corresponding primary carrier scheduler and at least one secondary carrier scheduler are determined, and the primary carrier resource and the secondary carrier resource are allocated to the multi-carrier terminal through the multi-carrier scheduling cooperative operation between the primary carrier scheduler and the at least one secondary carrier scheduler.
A main carrier dispatcher acquires first state information of a multi-carrier terminal on a main carrier, and presets main carrier authorization information for the multi-carrier terminal according to the first state information; the at least one auxiliary carrier scheduler sends preset auxiliary carrier authorization information to the main carrier scheduler, the main carrier scheduler receives the auxiliary carrier authorization information sent by the at least one auxiliary carrier scheduler, adjusts the main carrier authorization information and the auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal, correspondingly sends the adjusted auxiliary carrier authorization information to the at least one auxiliary carrier scheduler, and the main carrier scheduler distributes main carrier resources for the multi-carrier terminal according to the adjusted main carrier authorization information; and at least one auxiliary carrier scheduler respectively receives the adjusted auxiliary carrier authorization information sent by the main carrier scheduler and allocates auxiliary carrier resources to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
Example four:
fig. 3 is a schematic structural diagram of a multi-carrier scheduling apparatus according to a fourth embodiment of the present invention, and as shown in fig. 3, the multi-carrier scheduling apparatus 1 is a scheduler to which a primary carrier resource accessed by a multi-carrier terminal belongs, that is, the multi-carrier scheduling apparatus 1 is a primary carrier scheduler of the multi-carrier terminal, and includes:
a first obtaining module 11, configured to obtain state information of a multi-carrier terminal on a main carrier;
the first presetting module 12 is configured to preset main carrier authorization information for the multi-carrier terminal according to the state information acquired by the first acquiring module 11;
a first receiving module 13, configured to receive at least one auxiliary carrier authorization information, where the at least one auxiliary carrier authorization information is preset for the multi-carrier terminal by the at least one auxiliary carrier scheduler;
an adjusting module 14, configured to adjust the authorization information of the main carrier and the authorization information of the at least one auxiliary carrier according to the carrying capacity of the multi-carrier terminal;
the first sending module 15 is configured to send the at least one auxiliary carrier authorization information adjusted by the adjusting module 14 to the corresponding at least one auxiliary carrier scheduler respectively;
a first allocating module 16, configured to allocate a primary carrier resource to the multi-carrier terminal according to the primary carrier authorization information adjusted by the adjusting module 14.
Preferably, the first receiving module 13 is further configured to receive demodulation information of the multi-carrier terminal on the primary carrier last time, and the first obtaining module 11 is specifically configured to obtain, according to the demodulation information received by the first receiving module 13, an average rate of the multi-carrier terminal on the primary carrier, the enhanced dedicated channel total buffer status information, and scheduling information, and use the average rate of the multi-carrier terminal on the primary carrier, the enhanced dedicated channel total buffer status information, and the scheduling information as the status information.
Preferably, the first sending module 15 is further configured to send the average rate of the multi-carrier terminal on the main carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the first obtaining module 11; the first receiving module 16 is further configured to receive an average rate of the multi-carrier terminal on other carriers, enhanced dedicated channel total buffer status information, and scheduling information.
Preferably, the adjusting module 14 is specifically configured to adjust the primary carrier authorization information and the at least one secondary carrier authorization information according to the maximum transmission power allowed by the multi-carrier terminal, or according to the total transmission request amount of the multi-carrier terminal.
Preferably, the system further includes a first reserving module 17, the first reserving module 17 is configured to reserve the corresponding carrier resource to the remaining resource according to the primary carrier authorization information adjusted by the adjusting module 14, and the first allocating module 16 is further configured to allocate the remaining resource as an allocable resource.
Example five:
fig. 4 is a schematic structural diagram of a multi-carrier scheduling apparatus according to a fifth embodiment of the present invention, and as shown in fig. 4, the multi-carrier scheduling apparatus 2 is a scheduler to which an auxiliary carrier resource selected by a multi-carrier terminal belongs, that is, the multi-carrier scheduling apparatus 2 is used as an auxiliary carrier scheduler of the multi-carrier terminal, and includes:
a second obtaining module 21, configured to obtain state information of the multi-carrier terminal on the secondary carrier;
a second presetting module 22, configured to preset auxiliary carrier authorization information for the multi-carrier terminal according to the state information acquired by the second acquiring module 21;
a second sending module 23, configured to send the auxiliary carrier authorization information preset by the second preset module 22 to the primary carrier scheduler of the multi-carrier terminal;
a second receiving module 24, configured to receive the adjusted auxiliary carrier authorization information sent by the main carrier scheduler;
the second allocating module 25 is configured to allocate an auxiliary carrier resource to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information received by the second receiving module 24.
Preferably, the second receiving module 24 is further configured to receive demodulation information of the multi-carrier terminal on the secondary carrier last time, and the second obtaining module 21 is specifically configured to obtain, according to the demodulation information received by the second receiving module 24, an average rate of the multi-carrier terminal on the secondary carrier, the enhanced dedicated channel total buffer status information, and scheduling information, and use the average rate of the multi-carrier terminal on the secondary carrier, the enhanced dedicated channel total buffer status information, and the scheduling information as the status information.
Preferably, the second sending module 23 is further configured to send the average rate of the multi-carrier terminal on the secondary carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the second obtaining module 21; the second receiving module 24 is further configured to receive the average rate of the multi-carrier terminal on other carriers, the enhanced dedicated channel total buffer status information, and the scheduling information.
Preferably, the system further includes a second reserving module 26, the second reserving module 26 is configured to reserve corresponding carrier resources to the remaining resources according to the adjusted secondary carrier authorization information received by the second receiving module 24, and the second allocating module 25 is further configured to allocate the remaining resources as allocable resources.
Example six:
in this embodiment, for a base station, the base station includes at least two physical units, the at least two physical units are connected two by two, and a multi-carrier HSUPA scheduler is deployed in the at least two physical units, that is, the physical unit includes at least one multi-carrier scheduling coordination apparatus described above. The multi-carrier HSUPA scheduler may be deployed in the following manner: the multi-carrier HSUPA schedulers of the same frequency carrier are preferentially deployed in the same physical unit, and the multi-carrier HSUPA schedulers of the mutually main and auxiliary carriers are suboptimally deployed in the same physical unit, which includes but is not limited to the following cases:
(1) Fig. 5 is a schematic structural diagram of a deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention, as shown in fig. 5, the base station includes a physical unit A, B, and the two physical units are connected, where the scenario includes 3 sectors of carrier 3, where 3 sectors of carrier 1 and 3 sectors of carrier 2 are primary and secondary HSUPA, and 3 sectors of carrier 2 and 3 sectors of carrier 3 are primary and secondary HSUPA, and since one physical unit cannot provide HSUPA scheduling capability of 9 sectors, the HSUPA scheduler of 9 sectors needs to be distributed over at least two physical units. According to the scheduling capability of the physical unit, the method can be deployed as follows: if one physical unit can only provide HSUPA scheduling capability of 6 sectors at most, the HSUPA scheduler of 3 sectors of carrier 1 may be deployed on physical unit a, the HSUPA scheduler of 3 sectors of carrier 2 may also be deployed on physical unit a, and the two HSUPA schedulers are connected to deploy the HSUPA scheduler of 3 sectors of carrier 3 on physical unit B. For the deployment method, please refer to the first embodiment and the second embodiment for the multi-carrier scheduling coordination method of the primary carrier scheduler and the secondary carrier scheduler accessed by the multi-carrier terminal.
(2) Fig. 6 is a schematic structural diagram of a deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention, as shown in fig. 6, the base station includes a physical unit A, B, the two physical units are connected, the scenario includes 4 carriers of 3 sectors, and 3 sectors of carrier 1, 3 sectors of carrier 2, 3 sectors of carrier 3, and 3 sectors of carrier 4 constitute 3 sectors of 4C HSUPA, since one physical unit cannot provide HSUPA scheduling capability of 12 sectors, the HSUPA scheduler of 12 sectors needs to be distributed over at least two physical units. According to the scheduling capability of the physical unit, the method can be deployed as follows: if a physical unit can only provide HSUPA scheduling capability of 6 sectors at most, a 3-sector HSUPA scheduler of carrier 1 and a 3-sector HSUPA scheduler of carrier 2 may be deployed on physical unit a and connected, and a 3-sector HSUPA scheduler of carrier 3 and a 3-sector HSUPA scheduler of carrier 4 may be deployed on physical unit B and connected. For the deployment method, please refer to the first embodiment and the second embodiment for the multi-carrier scheduling coordination method of the primary carrier scheduler and the secondary carrier scheduler accessed by the multi-carrier terminal.
(3) Fig. 7 is a schematic structural diagram of deployment of a multi-carrier HSUPA scheduler according to a sixth embodiment of the present invention, as shown in fig. 7, the base station includes a physical unit A, B, the two physical units are connected, the scenario includes a scenario of 2 carriers and 3 sectors, an HSUPA scheduler of 3 sectors of carrier 1 is deployed on the physical unit a, and an HSUPA scheduler of 3 sectors of carrier 2 is deployed on the physical unit B, it should be noted that if the deployment is performed according to this deployment manner, it is necessary to deploy an upgraded multi-carrier HSUPA scheduling coordination function. In this scenario, the software version is directly upgraded, that is, the version supporting the multi-carrier HSUPA function, so that the HSUPA scheduler deployment mode does not need any change, that is, the HSUPA scheduler of 3 sectors of the carrier 1 is still deployed on the physical unit a, the HSUPA scheduler of 3 sectors of the carrier 2 is deployed on the physical unit B, and the multi-carrier HSUPA scheduling coordination function can be supported by upgrading the software version, and the multi-carrier scheduling coordination mode please refer to the first embodiment and the second embodiment.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (20)
1. A multi-carrier scheduling coordination method, comprising:
acquiring state information of a multi-carrier terminal on a main carrier;
presetting main carrier authorization information for the multi-carrier terminal according to the state information;
receiving at least one auxiliary carrier authorization message, wherein the at least one auxiliary carrier authorization message is preset for the multi-carrier terminal by at least one auxiliary carrier scheduler;
adjusting the main carrier authorization information and at least one auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal;
respectively sending the adjusted at least one auxiliary carrier authorization information to at least one corresponding auxiliary carrier scheduler;
and allocating main carrier resources for the multi-carrier terminal according to the adjusted main carrier authorization information.
2. The multi-carrier scheduling coordination method according to claim 1, wherein the obtaining the state information of the multi-carrier terminal on the primary carrier specifically comprises:
receiving demodulation information of the multi-carrier terminal on a main carrier last time;
and acquiring the average rate of the multi-carrier terminal on a main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information according to the demodulation information, and taking the average rate of the multi-carrier terminal on the main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information as the status information.
3. The multi-carrier scheduling coordination method according to claim 2, further comprising:
sending out the average speed of the multi-carrier terminal on a main carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information;
and receiving the average rate of the multi-carrier terminal on other carriers, the total buffer state information of the enhanced dedicated channel and scheduling information.
4. The multi-carrier scheduling coordination method according to claim 1, wherein the bearer capability of said multi-carrier terminal comprises a maximum transmission power allowed by said multi-carrier terminal or a total transmission request amount of said multi-carrier terminal.
5. The multi-carrier scheduling coordination method according to any of claims 1 to 4, wherein after allocating the primary carrier resources to the multi-carrier terminal according to the adjusted primary carrier grant information, further comprising:
reserving corresponding carrier resources to the residual resources according to the adjusted main carrier authorization information;
and taking the residual resources as allocable resources to be allocated again.
6. A multi-carrier scheduling coordination method, comprising:
acquiring state information of a multi-carrier terminal on an auxiliary carrier;
Presetting auxiliary carrier authorization information for the multi-carrier terminal according to the state information;
sending the auxiliary carrier authorization information to a main carrier dispatcher of the multi-carrier terminal;
receiving the adjusted auxiliary carrier authorization information sent by the main carrier scheduler;
and distributing auxiliary carrier resources for the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
7. The multi-carrier scheduling coordination method according to claim 6, wherein the obtaining the state information of the multi-carrier terminal on the secondary carrier specifically comprises:
receiving demodulation information of the multi-carrier terminal on the auxiliary carrier last time;
and acquiring the average rate of the multi-carrier terminal on an auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information according to the demodulation information, and taking the average rate of the multi-carrier terminal on the auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information as the status information.
8. The multi-carrier scheduling coordination method according to claim 7, further comprising:
sending out the average speed of the multi-carrier terminal on the auxiliary carrier, the total buffer status information of the enhanced dedicated channel and the scheduling information;
And receiving the average rate of the multi-carrier terminal on other carriers, the total buffer state information of the enhanced dedicated channel and scheduling information.
9. The multi-carrier scheduling coordination method according to any of claims 6 to 8, wherein after allocating the secondary carrier resources to the multi-carrier terminal according to the adjusted secondary carrier grant information, the method further comprises:
reserving corresponding carrier resources to the residual resources according to the adjusted auxiliary carrier authorization information;
and taking the residual resources as allocable resources to be allocated again.
10. A multi-carrier scheduling coordination method, comprising:
a main carrier dispatcher acquires first state information of a multi-carrier terminal on a main carrier, and presets main carrier authorization information for the multi-carrier terminal according to the first state information;
at least one auxiliary carrier dispatcher acquires second state information of a multi-carrier terminal on an auxiliary carrier, auxiliary carrier authorization information is preset for the multi-carrier terminal according to the second state information, and the auxiliary carrier dispatcher sends the auxiliary carrier authorization information to the main carrier dispatcher;
the main carrier scheduler receives the auxiliary carrier authorization information sent by the at least one auxiliary carrier scheduler, adjusts the main carrier authorization information and the auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal, and correspondingly sends the adjusted auxiliary carrier authorization information to the at least one auxiliary carrier scheduler;
The main carrier wave dispatcher distributes main carrier wave resources for the multi-carrier wave terminal according to the adjusted main carrier wave authorization information;
and the at least one auxiliary carrier scheduler respectively receives the adjusted auxiliary carrier authorization information sent by the main carrier scheduler and allocates auxiliary carrier resources to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information.
11. A multi-carrier scheduling coordination apparatus, comprising:
the first acquisition module is used for acquiring the state information of the multi-carrier terminal on the main carrier;
the first preset module is used for presetting main carrier authorization information for the multi-carrier terminal according to the state information acquired by the first acquisition module;
a first receiving module, configured to receive at least one auxiliary carrier authorization information, where the at least one auxiliary carrier authorization information is preset by at least one auxiliary carrier scheduler for the multi-carrier terminal;
the adjusting module is used for adjusting the main carrier authorization information and the at least one auxiliary carrier authorization information according to the bearing capacity of the multi-carrier terminal;
the first sending module is used for sending the at least one auxiliary carrier authorization information adjusted by the adjusting module to the corresponding at least one auxiliary carrier scheduler respectively;
And the first allocation module is used for allocating main carrier resources for the multi-carrier terminal according to the main carrier authorization information adjusted by the adjustment module.
12. The multi-carrier scheduling coordination apparatus according to claim 11,
the first receiving module is further configured to receive demodulation information of the multi-carrier terminal on a primary carrier last time;
the first obtaining module is specifically configured to obtain, according to the demodulation information received by the first receiving module, an average rate of the multi-carrier terminal on a main carrier, total buffer status information of the enhanced dedicated channel, and scheduling information, and use the average rate of the multi-carrier terminal on the main carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information as the status information.
13. The multi-carrier scheduling coordination apparatus according to claim 12,
the first sending module is further configured to send the average rate of the multi-carrier terminal on the main carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the first obtaining module;
the first receiving module is further configured to receive an average rate of the multi-carrier terminal on other carriers, enhanced dedicated channel total buffer status information, and scheduling information.
14. The multi-carrier scheduling coordination apparatus according to claim 11,
the adjusting module is specifically configured to adjust the primary carrier authorization information and the at least one secondary carrier authorization information according to a maximum transmission power allowed by the multi-carrier terminal or according to a total transmission request amount of the multi-carrier terminal.
15. The multi-carrier scheduling coordination apparatus according to any of claims 11-14, further comprising:
the first reserving module is used for reserving corresponding carrier resources to the residual resources according to the main carrier authorization information adjusted by the adjusting module;
the first allocation module is further configured to allocate the remaining resources as allocable resources.
16. A multi-carrier scheduling coordination apparatus, comprising:
the second acquisition module is used for acquiring the state information of the multi-carrier terminal on the auxiliary carrier;
the second preset module is used for presetting auxiliary carrier authorization information for the multi-carrier terminal according to the state information acquired by the second acquisition module;
the second sending module is used for sending the auxiliary carrier authorization information preset by the second preset module to the main carrier dispatcher of the multi-carrier terminal;
A second receiving module, configured to receive the adjusted auxiliary carrier authorization information sent by the main carrier scheduler;
and the second allocating module is used for allocating the auxiliary carrier resources to the multi-carrier terminal according to the adjusted auxiliary carrier authorization information received by the second receiving module.
17. The multi-carrier scheduling coordination apparatus according to claim 16,
the second receiving module is further configured to receive demodulation information of the multi-carrier terminal on the secondary carrier last time;
the second obtaining module is specifically configured to obtain, according to the demodulation information received by the second receiving module, the average rate of the multi-carrier terminal on the secondary carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information, and use the average rate of the multi-carrier terminal on the secondary carrier, the total buffer status information of the enhanced dedicated channel, and the scheduling information as the status information.
18. The multi-carrier scheduling coordination apparatus according to claim 17,
the second sending module is further configured to send the average rate of the multi-carrier terminal on the secondary carrier, the enhanced dedicated channel total buffer status information, and the scheduling information, which are obtained by the second obtaining module;
The second receiving module is further configured to receive an average rate of the multi-carrier terminal on other carriers, enhanced dedicated channel total buffer status information, and scheduling information.
19. The multi-carrier scheduling coordination apparatus according to any of claims 16-18, further comprising:
a second reserving module, configured to reserve corresponding carrier resources to the remaining resources according to the adjusted auxiliary carrier authorization information received by the second receiving module;
the second allocating module is further configured to allocate the remaining resources as allocable resources.
20. A base station, characterized in that it comprises at least two physical units, said at least two physical units being connected two by two, said physical units comprising at least one multi-carrier scheduling coordination unit according to any of claims 11-19.
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| CN101141779A (en) * | 2007-10-12 | 2008-03-12 | 中兴通讯股份有限公司 | Scheduling authorization method and device of multi-carrier HSUPA |
| CN101959234A (en) * | 2009-07-21 | 2011-01-26 | 鼎桥通信技术有限公司 | Method for realizing multi-carrier HSUPA |
| CN103931262A (en) * | 2013-01-30 | 2014-07-16 | 华为技术有限公司 | Data scheduling method and device |
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| CN102282903B (en) * | 2008-10-31 | 2015-01-21 | 交互数字专利控股公司 | Handling uplink transmissions using multiple uplink carriers |
| CN101959248A (en) * | 2009-07-20 | 2011-01-26 | 中兴通讯股份有限公司 | Node B controlled grouping dispatching method and system |
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| CN101141779A (en) * | 2007-10-12 | 2008-03-12 | 中兴通讯股份有限公司 | Scheduling authorization method and device of multi-carrier HSUPA |
| CN101959234A (en) * | 2009-07-21 | 2011-01-26 | 鼎桥通信技术有限公司 | Method for realizing multi-carrier HSUPA |
| CN103931262A (en) * | 2013-01-30 | 2014-07-16 | 华为技术有限公司 | Data scheduling method and device |
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