CN101345985A - Method and device for improving resource utilization rate in radio communication system - Google Patents
Method and device for improving resource utilization rate in radio communication system Download PDFInfo
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Abstract
The invention relates to a method and system for improving resource utilization ratio in wireless communication system. The method mainly comprises: detecting the load variation of control channel and service channel; when the control channel is overloaded, decreasing the load of the control channel or increasing the resource occupied by the control channel according to the preset strategy. Therefore, the execution the invention can service the new accessed user or provide new services to the existing user more excellently, consequently, balance the load of the control channel and the service channel of the system, improve the resource utilization ration in the wireless communication system, and improve the service capacity of the whole wireless communication system.
Description
Technical field
The present invention relates to wireless communication system, relate in particular to the technology that improves resource utilization in a kind of wireless communication system.
Background technology
In mobile communication system, the information interaction between user terminal and the network side is to realize by the up and downlink bandwidth resource of being distributed by the network side centralized control.In communication process, the bandwidth that need take mainly comprises: protection bandwidth, control channel occupied bandwidth and Traffic Channel occupied bandwidth.
The business throughput of mobile communication system and the level of resources utilization are the important indicators of weighing systematic function, for improving the business throughput and the level of resources utilization of whole system, then need to improve the throughput of Traffic Channel and the utilization ratio of control channel.
Wherein, the Traffic Channel occupied bandwidth is big more, and the traffic channel resource allocative efficiency is high more, and the throughput of whole service channel is just high more; The bandwidth that control channel takies is big more, and the resource allocation message that control channel can send is many more, can distribute more traffic channel resource in the unit interval.Because total bandwidth resources of communication system are fixed, therefore, for solving the problem of the contradiction of distributing between Traffic Channel occupied bandwidth and the control channel occupied bandwidth, at present, in communication system, the bandwidth of distributing to control channel usually is less, and other more allocated bandwidth are given Traffic Channel.
In mobile communication system, when control channel and Traffic Channel the resource anxiety all occurs and distribute more resources can't for new user or existing subscriber, determine that then current system has reached the limit of power system capacity, and forbid that new user inserts, finish service up to the existing subscriber and leave system or can allow new user to insert by the traffic load of other measures reduction systems is feasible.
In implementing process of the present invention, the inventor finds: in mobile communication system, it is busy also may control channel to occur through regular meeting, but there is idle situation in traffic channel resource.But, because control channel is the necessary link of new subscriber access system Resources allocation, therefore, in this case, though system still has the idle business channel resource, but can't make idle traffic channel resource to be utilized effectively, and then cause the service capacity of whole mobile communication system to reduce for new user provides service.
Summary of the invention
The embodiment of the invention provides method and the device that improves resource utilization in a kind of wireless communication system, so that in control channel load anxiety and Traffic Channel still has under the situation of idling-resource, can guarantee that still the idle business channel resource is utilized effectively, thereby improve the service capacity of mobile communication system.
The embodiment of the invention provides the method that improves resource utilization in a kind of wireless communication system, and this method comprises:
Detect the current control channel load condition in the wireless communication system;
After determining the control channel excess load, reduce the load of control channel according to predetermined strategy according to testing result.
The embodiment of the invention provides the device that improves resource utilization in a kind of wireless communication system, and this device comprises:
Load detection module is used to detect the load variations of current control channel and Traffic Channel;
The load judge module, the load variations situation that is used for the current control channel that detection obtains according to load detection module judges whether the control channel load is in overload state;
The load adjusting module is used for reducing the load of control channel according to predetermined strategy after determining the control channel excess load according to the judged result of load judge module.
The embodiment of the invention provides the method that improves resource utilization in a kind of wireless communication system, and this method comprises:
Detect the current control channel load condition in the wireless communication system;
After determining the control channel excess load according to testing result, wireless communication system increases the resource that control channel takies, and sends the notice that increases the resource that control channel takies.
The embodiment of the invention provides the device that improves resource utilization in a kind of wireless communication system, and this device comprises:
Load detection module is used to detect the load variations of current control channel and Traffic Channel;
The load judge module, the load variations situation that is used for the current control channel that detection obtains according to load detection module judges whether the control channel load is in overload state;
Resource is adjusted processing module, and being used for increases the resource that control channel takies after determining the control channel excess load according to the load judge module, and sends the notice that increases the resource that control channel takies.
The technical scheme that provides by the invention described above embodiment as can be seen, embodiments of the invention have been owing to adopted when the control channel excess load, the technological means that reduces the load of control channel or increase the resource that control channel takies is handled.Therefore, it can load anxiety and Traffic Channel at control channel can be by the resource of adjusting the control channel load or taking when still having idling-resource, thereby make the control channel of system and Traffic Channel load balanced more, to improve efficiency of resource in the wireless communication system, improve the service quality of wireless communication system, and then promote user's satisfaction.
Description of drawings
The form schematic diagram of the assignment mode notification message of the broadcast transmission that Fig. 1 provides for the embodiment of the invention;
The application example form schematic diagram of the message among Fig. 1 that Fig. 2 provides for the embodiment of the invention;
The form schematic diagram of the clean culture assignment message that Fig. 3 provides for the embodiment of the invention;
The application example form schematic diagram of the message among Fig. 3 that Fig. 4 provides for the embodiment of the invention;
The structural representation one of the device that Fig. 5 provides for the embodiment of the invention;
The structural representation two of the device that Fig. 6 provides for the embodiment of the invention;
The structural representation three of the device that Fig. 7 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides and has solved the nervous implementation of control channel resource load, make in communication system, control channel resource anxiety but under the situation of traffic channel resource free time, can effectively alleviate the situation of control channel resource anxiety, and then improve the channel resource utilization ratio of whole system.
The embodiment of the invention specifically provides three kinds to solve the nervous scheme of control channel resource load:
In following embodiment one and embodiment two, be by the mode that reduces the control channel load and improve resource utilization in the wireless communication system, be specifically as follows: at first, detect the current control channel load condition in the wireless communication system, afterwards, after determining the control channel excess load, according to the load of predetermined strategy reduction control channel, for example according to testing result, user's assignment mode in the Adjustment System, perhaps, adjust the mode of carrying out channel assignment, etc.
In following embodiment three, then be to improve resource utilization in the wireless communication system by the mode that increases the resource that control channel takies.
To be described in detail the specific implementation of embodiment one respectively below to embodiment three.
Embodiment one
A kind of control channel load adjustment method that the embodiment of the invention provides specifically can comprise: the load variations that detects control channel and Traffic Channel, when the control channel excess load, mode by issue assignment mode notification message, change the assignment mode that satisfies interim lasting assignment mode condition user into interim lasting assignment mode by non-lasting assignment mode, realize reducing the load of control channel, the content of described assignment mode notification message is that the non-lasting assignment mode of adjustment member user when system's control channel traffic overload is the interim condition that continues the assignment mode; Wherein,
Described lasting assignment mode is in the mobile communication system of packet switch, control channel is given one of the mode of the resource of user's allocated channel, its be used for, wireless environment variation stable to business demand slowly the user distribute identical channel resource in a period of time, business demand or environmental demand up to the user change, common this class user can but be not limited to VolP (IP-based voice) user;
Described non-lasting assignment mode also is in the mobile communication system of packet switch, control channel is given one of the mode of the resource of user's allocated channel, its be used for to business demand instability or wireless environment variation fast the user carry out channel resource allocation according to each packet, next packet is just carried out channel resource allocation again.
Continuing under the assignment mode, control channel just may send a channel assignment message at set intervals, and the control channel that takies load is less; Under non-lasting assignment mode, control channel need all need the transmitting channel assignment message to each packet of user, so the control channel that takies load is more.
The mode of described assignment mode notification message comprises: the one group of user who satisfies interim lasting assignment mode condition by the indication of broadcast assignation message is changed the interim assignment mode that continues into from non-lasting assignment mode, or indicates certain user who satisfies interim lasting assignment mode condition to change the interim assignment mode that continues into from non-lasting assignment mode by the clean culture assignment message; Detailed explanation will be given below respectively.
(1) indicate one group of user to change the interim assignment mode that continues into by broadcast mode from non-lasting assignment mode.
When the situation of excess load appears in the control channel load, by issuing broadcast, promptly send the assignment mode notification message, transfer the interim assignment mode that continues automatically to indicate the current user who satisfies the non-lasting assignment mode of use of interim lasting assignment mode condition by broadcast mode.When this temporarily lasting assignment mode expires, then automatically return to non-lasting assignment mode, the non-lasting assignment message that waiting system issues; System also can directly issue normal non-lasting assignment message to entering the interim user who continues assignment mode the control channel free time, to stop to continue assignment mode temporarily, turn back under the non-lasting assignment mode.
Wherein, the field of described broadcast assignation pattern notification message carrying specifically can comprise at least one in the following field as shown in Figure 1:
Direction direction field, the assignment mode notification message that is used to indicate current broadcast at direction, can be at descending, can be at up, also can be simultaneously at descending and up;
Duration duration field is used to indicate the user who satisfies condition to change the interim duration that continues assignment mode over to, and the unit of the numerical value in this field generally is frame number or frame period number;
The old packet format field of Old PF, be used for indicating during the form that if the form of the non-assignment message of receiving recently the user is this old packet format field indicates, then need require to enter the interim assignment mode that continues according to the assignment mode notification message of this broadcasting, promptly the information in this field has been indicated the interim condition that continues assignment mode that enters;
The new packet format field of New PF is used to indicate satisfy enter the interim user who continues the assignment message pattern, will adopt this new packet format to carry out transfer of data in subsequent processes;
Valid Interlace valid frame field is indicated the valid frame of the assignment mode notification message generation effect of this broadcasting, according to the value of this field, can only tell at present frame, also can the framing in each frame period be told on.
To change one group of user into the interim form that assignment mode needs the assignment mode notification message of broadcast transmission that continues from non-lasting assignment mode with a concrete Application Example explanation below; As shown in Figure 2, the form of the assignment mode notification message of this broadcast transmission specifically can comprise:
Block type is 0b011=3, and expression is this broadcast assignation message;
Direction is 0b01=1, and expression is applicable to down direction;
Duration is 0b100=4, represents that this duration that temporarily continues assignment message is 4K Interlace cycle, and K is the maximum Interlace number of system definition;
Old PF is 0b0011=3, and its current PF of user that expression satisfies condition is 3
New PF is 0b0100=4, represents that these users' new PF will be revised as 4;
Valid Interlace=0b000001, the Interlace that expression is suitable for is the 1st time slot;
In the assignment mode notification message of this broadcast transmission, represent current all users at the non-lasting assignment message of first time slot use PF=3 packet format, after receiving this broadcast, change the interim assignment mode that continues of using into, after 4K interlace continue to use the packet format of PF=4 and the resource of present system assignment temporarily in the cycle.As can be seen, realized the modification of assignment mode, thereby reduced the load of control channel by the message of this broadcasting.
(2) indicate certain user to change the interim assignment mode that continues into by mode of unicast from non-lasting assignment mode.
Promptly give unique user, indicate the user of the non-lasting assignment mode of current use to transfer the interim assignment mode that continues automatically to by issuing assignment message.When this temporarily lasting assignment mode expired, this user can automatically return to non-lasting assignment mode, the non-lasting assignment message that waiting system issues; System also can directly issue normal non-lasting assignment message to this user the control channel free time, to stop to continue assignment mode temporarily, turn back under the non-lasting assignment mode.
Wherein, the field that described clean culture assignment message can comprise specifically can comprise following at least one as shown in Figure 3:
Sticky continues field, if this field is set to very, then can indicate the active user to enter the interim assignment mode that continues;
Direction direction field, be used to indicate current assignment message at direction, it can be at descending, can be at up, also can be simultaneously at descending and up;
Duration duration field is used to indicate the active user to change the interim duration that continues assignment mode over to, and the unit of duration value can be frame number or frame period number;
NodeID node field is used to indicate the active user to change the interim fundamental node resource that assignment mode is used that continues over to;
PF packet format field, be used to indicate the active user enter interim continue assignment mode after, in data transmission procedure, need the packet format that uses.
To change the user into the interim form that assignment mode needs the assignment mode notification message of clean culture transmission that continues from non-lasting assignment mode with a concrete Application Example explanation below; As shown in Figure 4, the form of the assignment mode notification message of this clean culture transmission specifically can comprise:
Block type is 0b010=2, and expression is the clean culture assignment message;
Sticky is 0b01=1, and expression enters the interim allocation state that continues;
Direction is 0b01=1, and expression is applicable to down direction;
Chan ID is 0b000100=4, and expression distributes No. 4 node resources;
PF is 0b0010=2, and expression distributes the packet format of PF=2;
Duration is 0b100=4, represents that this duration that temporarily continues assignment message is 4K Interlace cycle, and K is the maximum Interlace number of system definition;
In the assignment mode notification message that this clean culture sends, (this message is to use user's scrambler scrambling of active user for expression current target user, so can only correctly be received decoding by the active user), after receiving this assignment message, change the interim assignment mode that continues of using into, after the packet format of 4K interlace interim lasting use PF=2 in the cycle and the node resource of Chan ID=4.As can be seen, realized the modification of assignment mode, thereby reduced the load of control channel by the message of this clean culture.
Embodiment two
In embodiments of the present invention, specifically can also reduce the load of current control channel by utilizing the mode of sharing assignment or group user assignment, thereby for the new user of access service solves the nervous state of control channel load, wherein:
Described shared assignment is to return the resource assignation mode that other one or more users use to a user's resource assignment.In this manner, use this channel resource based on this user; When this user did not use this channel resource, this channel resource did not discharge and can be used in turn by one or more user of other appointments.In this case, be equivalent to a plurality of users and share the use resource, so can save the allocation overhead of control channel by a channel assignment;
Described group of user's assignment is to one group of channel resource that user's assignment is common, the resource assignation mode of multipling channel resource between the user in group.Obviously, group user assignment also can be saved the load of control channel, for user's access newly provides possibility.
In sum, in the embodiment of the invention, efficiently solve the problem that prior art exists, make under the situation of control channel excess load, can in time reduce the load of control channel, thereby improve the resource utilization in the wireless communication system.
The device corresponding with above-mentioned embodiment one and embodiment two, that the embodiment of the invention also provides a kind of control channel load to adjust as shown in Figure 5 and Figure 6, specifically comprises:
(1) load detection module
This module is used to detect the load variations of current control channel and Traffic Channel;
(2) load judge module
This module is used for the load variations situation of the current control channel that detection obtains according to load detection module and judges whether the control channel load is in overload state;
(3) load adjusting module
This module is used for reducing the load of control channel according to predetermined strategy after determining the control channel excess load according to the judged result of load judge module; Wherein, as shown in Figure 5, described load adjusting module can be assignment mode notification message release module, and perhaps, as shown in Figure 6, described load adjusting module also can be assignment mode adjusting module, wherein:
(31) described assignment mode notification message release module, be used for after determining the control channel excess load according to the load judge module, issue assignment mode notification message changes the assignment mode that satisfies interim lasting assignment mode condition user into interim lasting assignment mode by non-lasting assignment mode;
Described assignment mode notification message release module is broadcast assignation message issue submodule, perhaps, also can be clean culture assignment message issue submodule, wherein:
Broadcast assignation message issue submodule is used for sending described assignment mode notification message by broadcast mode, and indication is satisfied the interim one group of user who continues the assignment mode condition and changed the interim assignment mode that continues into from non-lasting assignment mode;
Clean culture assignment message issue submodule is used for sending described assignment mode notification message by mode of unicast, and indication is satisfied the interim unique user that continues the assignment mode condition and changed the interim assignment mode that continues into from non-lasting assignment mode;
(32) described assignment mode adjusting module, be used for after determining the control channel excess load according to the load judge module, adopt the mode of sharing assignment or group user assignment to carry out Channel Assignment, described sharing is assigned as the channel resource of one group of user of assignment according to predetermined rotation use assignment, and described group of user is assigned as the multiplexing common channel resource of one group of user of assignment.
As can be seen, the device that the embodiment of the invention provides efficiently solves the problem that prior art exists, and can effectively improve the level of resources utilization in the wireless communication system.
Embodiment three
The embodiment of the invention can also be by the load variations situation of monitoring control channel and Traffic Channel, and adjust control channel and Traffic Channel takies the resource ratio according to monitoring result, take resource and Traffic Channel and take contradiction between the resource thereby solve control channel.
Specifically, when system loading along with user's access with leave and when changing, distribute to the stock number of control channel by the load decision of monitoring control channel.Promptly can't send user or the existing subscriber of new resource allocating message to new access when control channel, and Traffic Channel is when also having idling-resource, system will reduce the resource that Traffic Channel takies for control channel distributes more resources; Do not distribute to the user or the existing subscriber of new access when Traffic Channel has idling-resource, and control channel is when also having idling-resource, system will be reduced to the resource that control channel distributes and increase the resource that Traffic Channel takies.
This embodiment specifically can comprise: at first, detect the current control channel load condition in the wireless communication system; Afterwards, after determining the control channel excess load according to testing result, wireless communication system increases the resource that control channel takies, and sends the notice that increases the resource that control channel takies; Wherein, the send mode of described notice comprises: send by system message broadcast transmission or the resource broadcast by the fixed position, can know corresponding resource allocation adjustment information so that need to use channel to communicate equipment in the communication system.
Described broadcasting is exactly that the message that will broadcast is carried out scrambling by the broadcasting scrambler, sends then; Thereby all users receive broadcast with regard to using the broadcasting scrambler to carry out descrambling in the system, and described broadcasting scrambler is by the agreement unified Definition;
Described resource broadcast by the fixed position is exactly to add the parameter that the expression control channel takies the resource ratio in the fixed position of the frame head of system protocol regulation or system message, and these frame heads or system message are to send to the user with broadcast mode.
The embodiment of the invention also provides the device that improves resource utilization in a kind of wireless communication system, and its specific implementation structure comprises as shown in Figure 7:
Load detection module is used to detect the load variations of current control channel and Traffic Channel;
The load judge module, the load variations situation that is used for the current control channel that detection obtains according to load detection module judges whether the control channel load is in overload state;
Resource is adjusted processing module, and being used for increases the resource that control channel takies after determining the control channel excess load according to the load judge module, and sends the notice that increases the resource that control channel takies.
Be the content that embodiment describes this technical scheme in detail with access scheme system below based on OFDMA (OFDM) technology.
In the OFDMA system, control channel takies different frequency sub-carrier with Traffic Channel, and these subcarriers are divided into a plurality of groups with fixed number, is called fundamental node Base Node.The resource allocation of system is that unit realizes with described fundamental node just.In the bandwidth of the 5M frequency of supposing, one has 30 available fundamental nodes.Suppose that control channel takies 3, Traffic Channel takies 27.When system monitoring is nervous to the control channel load, will in next superframe, change the ratio that control channel and Traffic Channel take fundamental node, for example, being revised as the interstitial content that control channel takies is 4, and Traffic Channel takies fundamental node decreased number to 26; When system monitoring the free time occurs to control channel, when 3 enough its of fundamental nodes carry out resource allocation, then in next superframe, recover original resource allocation.
In sum, realization of the present invention makes in the control channel excess load but Traffic Channel still has under the situation of idling-resource, occupation condition in can the effective coordination system or turn down the load of control channel, to improve the resource utilization in the entire wireless communication system, and then improve the service quality of wireless communication system, promote the satisfaction of the user in the wireless communication system.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (11)
1, improve the method for resource utilization in a kind of wireless communication system, it is characterized in that, comprising:
Detect the current control channel load condition in the wireless communication system;
After determining the control channel excess load, reduce the load of control channel according to predetermined strategy according to testing result.
2, method according to claim 1 is characterized in that, the step that the predetermined strategy of described basis reduces the load of control channel specifically comprises:
Wireless communication system issue assignment mode notification message changes the assignment mode that satisfies interim lasting assignment mode condition user into interim lasting assignment mode by non-lasting assignment mode;
Perhaps,
Adopt the mode of sharing assignment or group user assignment to carry out Channel Assignment, described sharing is assigned as the channel resource of one group of user of assignment according to predetermined rotation use assignment, and described group of user is assigned as the multiplexing common channel resource of one group of user of assignment.
3, method according to claim 2 is characterized in that, the step of described issue assignment mode notification message comprises:
Send described assignment mode notification message by the mode of broadcasting or the mode of clean culture.
4, method according to claim 3 is characterized in that, the assignment mode notification message that the mode of described broadcasting sends comprises at least one in following each field:
The direction field, to be used to identify the assignment direction be descending, up or comprise descending and up simultaneously;
The duration field is used to indicate the user to change the interim duration that continues assignment mode over to;
Old packet format field is used to indicate the interim condition that continues assignment mode that enters;
New packet format field is used to indicate the user who enters interim lasting assignment message pattern to carry out the new packet format information that transfer of data need adopt;
The valid frame field is used to indicate the valid frame of described broadcast assignation message generation effect.
5, method according to claim 3 is characterized in that, the assignment mode notification message that the mode of described clean culture sends comprises at least one in following each field:
Continue field, be used to indicate the user to enter the interim assignment mode that continues;
The direction field, to be used to identify the assignment direction be descending, up or comprise descending and up simultaneously;
The duration field is used to indicate the active user to change the interim duration that continues assignment mode over to;
The node field is used to indicate the user to change the interim fundamental node resource that assignment mode is used that continues over to;
The packet format field is used to indicate the user to enter the interim packet format that the laggard line data transmission of assignment mode needs adopt that continues.
6, improve the device of resource utilization in a kind of wireless communication system, it is characterized in that, comprising:
Load detection module is used to detect the load variations of current control channel and Traffic Channel;
The load judge module, the load variations situation that is used for the current control channel that detection obtains according to load detection module judges whether the control channel load is in overload state;
The load adjusting module is used for reducing the load of control channel according to predetermined strategy after determining the control channel excess load according to the judged result of load judge module.
7, device according to claim 6 is characterized in that, described load adjusting module is:
Assignment mode notification message release module, be used for after determining the control channel excess load according to the load judge module, issue assignment mode notification message changes the assignment mode that satisfies interim lasting assignment mode condition user into interim lasting assignment mode by non-lasting assignment mode;
Perhaps,
Assignment mode adjusting module, be used for after determining the control channel excess load according to the load judge module, adopt the mode of sharing assignment or group user assignment to carry out Channel Assignment, described sharing is assigned as the channel resource of one group of user of assignment according to predetermined rotation use assignment, and described group of user is assigned as the multiplexing common channel resource of one group of user of assignment.
8, device according to claim 7 is characterized in that, described assignment mode notification message release module is:
Broadcast assignation message issue submodule is used for sending described assignment mode notification message by broadcast mode, and indication is satisfied the interim one group of user who continues the assignment mode condition and changed the interim assignment mode that continues into from non-lasting assignment mode;
Perhaps,
Clean culture assignment message issue submodule is used for sending described assignment mode notification message by mode of unicast, and indication is satisfied the interim unique user that continues the assignment mode condition and changed the interim assignment mode that continues into from non-lasting assignment mode.
9, improve the method for resource utilization in a kind of wireless communication system, it is characterized in that, comprising:
Detect the current control channel load condition in the wireless communication system;
After determining the control channel excess load according to testing result, wireless communication system increases the resource that control channel takies, and sends the notice that increases the resource that control channel takies.
10, method according to claim 9, it is characterized in that the mode that described transmission increases the notice of the resource that control channel takies comprises: the notice of carrying out the resource that described increase control channel takies by system message broadcasting or the resource broadcast by the fixed position.
11, improve the device of resource utilization in a kind of wireless communication system, it is characterized in that, comprising:
Load detection module is used to detect the load variations of current control channel and Traffic Channel;
The load judge module, the load variations situation that is used for the current control channel that detection obtains according to load detection module judges whether the control channel load is in overload state;
Resource is adjusted processing module, and being used for increases the resource that control channel takies after determining the control channel excess load according to the load judge module, and sends the notice that increases the resource that control channel takies.
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| WO2017020271A1 (en) * | 2015-08-05 | 2017-02-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and network node for dynamic resource allocation for control channels |
| CN107925924A (en) * | 2015-08-05 | 2018-04-17 | 瑞典爱立信有限公司 | Method and network node for the Dynamic Resource Allocation for Multimedia of control channel |
| US10588131B2 (en) | 2015-08-05 | 2020-03-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and network node for dynamic resource allocation for control channels |
| CN107925924B (en) * | 2015-08-05 | 2021-04-06 | 瑞典爱立信有限公司 | Method and network node for dynamic resource allocation of control channels |
| CN111314963A (en) * | 2018-12-11 | 2020-06-19 | 中国移动通信集团吉林有限公司 | Cell load balancing method and device |
| CN111314963B (en) * | 2018-12-11 | 2022-07-26 | 中国移动通信集团吉林有限公司 | Cell load balancing method and device |
| CN111601261A (en) * | 2020-01-16 | 2020-08-28 | 哈尔滨海能达科技有限公司 | Load balancing method of control channel, group call service processing method and related equipment |
| CN111601261B (en) * | 2020-01-16 | 2022-04-19 | 哈尔滨海能达科技有限公司 | Load balancing method of control channel, group call service processing method and related equipment |
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