CN102869098A - Control information transmitting method and device - Google Patents
Control information transmitting method and device Download PDFInfo
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- CN102869098A CN102869098A CN2011101911840A CN201110191184A CN102869098A CN 102869098 A CN102869098 A CN 102869098A CN 2011101911840 A CN2011101911840 A CN 2011101911840A CN 201110191184 A CN201110191184 A CN 201110191184A CN 102869098 A CN102869098 A CN 102869098A
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Abstract
The invention discloses a control information transmitting method and a control information transmitting device, wherein the control information transmitting method comprises the following steps: a sub resource pool special for CoMP (Coordinated Multiple Point) area users is planned and reserved from the control channel resource pool of a system in advance according to the size of a CoMP area, according to the principle that different plots use different resources, all resources in the sub resource pool are assigned to plots covering the CoMP area; when control information needs to be transmitted to a user in the CoMP area in a control channel, control channel resource is prior selected from the resources in the sub resource pool allocated to the serving plot involving the user and is allocated to the user; and the control information is added to the selected control channel and is transmitted to the user. By adopting the control information transmitting method and the control information transmitting device, the neighboring interference generated in the process of control information transmission is reduced.
Description
Technical field
The present invention relates to the resource distribution technology in the mobile communication system, particularly relate to sending method and the device of control information.
Background technology
Existing system is when sending control information for the user, need to be configured employed control channel, concrete collocation method has two kinds: a kind of is static, and namely the running time-frequency resource at control channel place is fixed, correspondingly, receiving terminal obtains in fixing time-frequency position and gets final product, another kind is dynamic, and namely the running time-frequency resource at control channel place is transformable, when changing at every turn, need to send upgrade Indication message, so that receiving terminal is at time-frequency position receiving control message accurately.
The control channel collocation method of above-mentioned static state, for the identical networking system, the position of down control channel is the same between the neighbor cell, therefore, the method can cause the interference problem of minizone control channel, thereby affects systematic function.
Above-mentioned dynamic control channel collocation method owing to fully dynamically place control information, therefore needs to upgrade indication control, so will consume certain signal resource.And along with mobile Internet is used, such as instant message (IM), microblogging, interactive game etc., and the needs of Internet of Things Deta bearer can be larger to the expense of control signal, thereby the congested of control signal may occur.
At present, in order to overcome presence of intercell interference, enlarge the network edge covering, to guarantee edge customer QoS, introduced collaborative multiple spot (Coordinated multiple point in the wireless system, CoMP) transmission or cooperation multi-antenna technology, its core concept is when terminal is in the zone (being the CoMP zone) that a plurality of residential quarters cover without line overlap, each residential quarter consults to coordinate the wireless transmission to terminal mutually, and reduce disturbance improves received signal quality, improves cell-edge performance.Yet the minizone cooperation transmission is mainly reflected in the interference coordination of the wireless transmission of business datum at present, and the accurate parsing of control channel to be Traffic Channel effectively resolve prerequisite, be that necessity that CoMP thought is achieved supports; Because system is aspect the configuration of control channel at present, not yet consider the problem of avoiding the adjacent area to disturb, therefore, the existing introducing in the wireless communication system of collaborative multicast communication technology, still can there be owing to the unreasonable configuration of control channel the interference problem of above-mentioned minizone control channel or control information place physical resource, thereby makes systematic function influenced.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of sending method and device of control information, can reduce the adjacent area that produces when control information sends and disturb.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of sending method of control information, the method may further comprise the steps:
A, in advance according to the size in coordinate multipoint CoMP zone, planning reserves the child resource pond of CoMP zone user's special use from the control channel resource pool of system, and use the principle of different resource according to different districts, all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone;
B, when need to be on control channel sending control information to the user in CoMP zone, in the resource the preferential described child resource pond that Serving cell is assigned under described user, select the control channel resource distribution to described user;
C, described control information is filled in the selected control channel, sends to described user.
A kind of dispensing device of control information, this device comprises:
The resource reservation module, be used in advance the size according to coordinate multipoint CoMP zone, planning reserves the child resource pond of CoMP zone user's special use from the control channel resource pool of system, and use the principle of different resource according to different districts, all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone;
The resource distribution module is used in the resource the preferential described child resource pond that Serving cell is assigned under described user, selecting the control channel resource distribution to described user when need to be on control channel sending control information to the user in CoMP zone;
Information sending module is used for described control information is filled in selected control channel, sends to described user.
In sum, sending method and the device of the control information that the present invention proposes, the soft child resource pond that marks off the user's special use of CoMP zone from the control channel resource pool of system in advance, and use the principle of different resource according to different districts, all resources in the child resource pond that this is special-purpose are distributed to each residential quarter that covers described CoMP zone, different with the private resource of guaranteeing each residential quarter, thereby can alleviate the interference of minizone control channel or control information place physical resource, promote the success rate that control signal receives and resolves, the Effective Raise systematic function.
Description of drawings
Fig. 1 is the method flow schematic diagram of the embodiment of the invention one;
Fig. 2 is the apparatus structure schematic diagram of the embodiment of the invention one.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Core concept of the present invention is: the resource pool that marks off in advance the user's special use of CoMP zone from the control channel resource pool of system, then the resource distribution in should the resource pool of special use is to each residential quarter in the CoMP zone, and guarantee the resource difference that each residential quarter disposes, thereby the different edge customers of neighbor cell are owing to the adjacent area interference problem of having used same frequency resources to produce in the time of can avoiding sending control signaling.
Fig. 1 is the schematic flow sheet of the embodiment of the invention one, and as shown in Figure 1, this embodiment mainly comprises:
In actual applications, when all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone, can be take subframe as smallest allocation unit, like this, cover the assigned subframe corresponding to resource of different districts in CoMP zone, also can be take time frequency unit as smallest allocation unit, like this, the different districts that covers the CoMP zone can distribute the different running time-frequency resources of identical subframe.
Resource in the described child resource pond can be continuous in time, also can be discontinuous, and its size can be according to the scene of section's net, and such as the city, the differences such as suburb are set.
Here, when need to be on control channel sending control information to the user in CoMP zone, in the resource the preferential described child resource pond that Serving cell is assigned under described user, select the control channel resource distribution to described user.Because the resource that covers in step 101 in the assigned child resource pond of the different districts in CoMP zone is different, therefore, select the control channel resource distribution to described user in the resource the preferential described child resource pond that Serving cell is assigned under the user, can reduce the probability of using identical control channel resource with the neighbor cell user, disturb thereby can reduce the adjacent area.
Further, can in step 101, described child resource pond be divided into standing child resource pond and prepare the child resource pond, the configuration preference level in this standing child resource pond is higher than the configuration preference level in preparation child resource pond, namely correspondingly, to preferentially utilize the resource in the described standing child resource pond that Serving cell is assigned under the described user to carry out described configuration in the step 102, when not having idling-resource in the resource in the described standing child resource pond that described Serving cell is assigned to, the resource that recycles in the described preparation child resource pond that described Serving cell is assigned to is carried out described configuration.
The size in described standby child resource pond and preparation child resource pond can be according to the scene of section's net, and such as the city, the differences such as suburb are set.
Need to prove, in actual applications, the special-purpose child resource of described CoMP zone user pond can be special-purpose by the user institute in CoMP zone, also can be used by the user priority in CoMP zone, the user who is non-CoMP zone can not take in the situation of the resource in the child resource pond the user in CoMP zone fully, utilize the surplus resources in this child resource pond, to improve the utilance of resource.
Further, in order to improve resource utilization, can dynamically adjust the size in child resource pond according to the UE quantity of operation that loads the rear CoMP zone of operation, for example, when the size in described CoMP zone changes, according to the size in current described CoMP zone, repartition described child resource pond.
Fig. 2 is the dispensing device structural representation of the control information corresponding with said method, and as shown in Figure 2, this device comprises:
The resource reservation module, be used in advance the size according to coordinate multipoint CoMP zone, planning reserves the child resource pond of CoMP zone user's special use from the control channel resource pool of system, and use the principle of different resource according to different districts, all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone;
The resource distribution module is used in the resource the preferential described child resource pond that Serving cell is assigned under described user, selecting the control channel resource distribution to described user when need to be on control channel sending control information to the user in CoMP zone;
Information sending module is used for described control information is filled in selected control channel, sends to described user.
Described resource reservation module is further used for: described child resource pond is divided into standing child resource pond and preparation child resource pond; Described resource distribution module preferentially utilizes the resource in the described standing child resource pond that Serving cell is assigned under the described user to carry out described configuration, when not having idling-resource in the resource in the described standing child resource pond that described Serving cell is assigned to, utilize the resource in the described preparation child resource pond that described Serving cell is assigned to carry out described configuration.
When described resource reservation module is distributed to each residential quarter that covers described CoMP zone with all resources in the described child resource pond, take subframe as smallest allocation unit.
When described resource reservation module is distributed to each residential quarter that covers described CoMP zone with all resources in the described child resource pond, take time frequency unit as smallest allocation unit.
Described resource reservation module is further used for: when the size in described CoMP zone changes, according to the size in current described CoMP zone, repartition described child resource pond.
In sum, more than be preferred embodiment of the present invention only, be not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the sending method of a control information is characterized in that, the method may further comprise the steps:
A, in advance according to the size in coordinate multipoint CoMP zone, planning reserves the child resource pond of CoMP zone user's special use from the control channel resource pool of system, and use the principle of different resource according to different districts, all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone;
B, when need to be on control channel sending control information to the user in CoMP zone, in the resource the preferential described child resource pond that Serving cell is assigned under described user, select the control channel resource distribution to described user;
C, described control information is filled in the selected control channel, sends to described user.
2. method according to claim 1 is characterized in that, further comprises among the step a: described child resource pond is divided into standing child resource pond and preparation child resource pond; Preferentially utilize the resource in the described standing child resource pond that Serving cell is assigned under the described user to carry out described configuration among the step b, when not having idling-resource in the resource in the described standing child resource pond that described Serving cell is assigned to, utilize the resource in the described preparation child resource pond that described Serving cell is assigned to carry out described configuration.
3. method according to claim 1 is characterized in that, when all resources in the described child resource pond being distributed to each residential quarter in the described CoMP of covering zone among the step a, take subframe as smallest allocation unit.
4. method according to claim 1 is characterized in that, when all resources in the described child resource pond being distributed to each residential quarter in the described CoMP of covering zone among the step a, take time frequency unit as smallest allocation unit.
5. method according to claim 1 is characterized in that, described method further comprises: when the size in described CoMP zone changes, according to the size in current described CoMP zone, repartition described child resource pond.
6. the dispensing device of a control information is characterized in that, this device comprises:
The resource reservation module, be used in advance the size according to coordinate multipoint CoMP zone, planning reserves the child resource pond of CoMP zone user's special use from the control channel resource pool of system, and use the principle of different resource according to different districts, all resources in the described child resource pond are distributed to each residential quarter that covers described CoMP zone;
The resource distribution module is used in the resource the preferential described child resource pond that Serving cell is assigned under described user, selecting the control channel resource distribution to described user when need to be on control channel sending control information to the user in CoMP zone;
Information sending module is used for described control information is filled in selected control channel, sends to described user.
7. device according to claim 6 is characterized in that, described resource reservation module is further used for: described child resource pond is divided into standing child resource pond and preparation child resource pond; Described resource distribution module preferentially utilizes the resource in the described standing child resource pond that Serving cell is assigned under the described user to carry out described configuration, when not having idling-resource in the resource in the described standing child resource pond that described Serving cell is assigned to, utilize the resource in the described preparation child resource pond that described Serving cell is assigned to carry out described configuration.
8. device according to claim 6 is characterized in that, when described resource reservation module is distributed to each residential quarter that covers described CoMP zone with all resources in the described child resource pond, take subframe as smallest allocation unit.
9. device according to claim 6 is characterized in that, when described resource reservation module is distributed to each residential quarter that covers described CoMP zone with all resources in the described child resource pond, take time frequency unit as smallest allocation unit.
10. device according to claim 6 is characterized in that, described resource reservation module is further used for: when the size in described CoMP zone changes, according to the size in current described CoMP zone, repartition described child resource pond.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101911840A CN102869098A (en) | 2011-07-08 | 2011-07-08 | Control information transmitting method and device |
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| CN2011101911840A CN102869098A (en) | 2011-07-08 | 2011-07-08 | Control information transmitting method and device |
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Cited By (5)
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| CN103220790A (en) * | 2012-01-20 | 2013-07-24 | 中兴通讯股份有限公司 | Distribution method and distribution device for control channel resources |
| WO2016065622A1 (en) * | 2014-10-31 | 2016-05-06 | 华为技术有限公司 | Resource allocating apparatus and method |
| WO2016138666A1 (en) * | 2015-03-05 | 2016-09-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Resource allocation method, control entity and access node using the same |
| WO2017092377A1 (en) * | 2015-12-03 | 2017-06-08 | 中兴通讯股份有限公司 | Dynamic resource allocation method and device in mobile communication system |
| CN108370575A (en) * | 2016-01-05 | 2018-08-03 | 富士通株式会社 | Information transferring method, device and system |
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| CN101931957A (en) * | 2009-06-22 | 2010-12-29 | 大唐移动通信设备有限公司 | Method for controlling interference of downstream measurement reference signal and equipment thereof |
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| US20090238131A1 (en) * | 2008-03-24 | 2009-09-24 | Qualcomm Incorporated | Method and apparatus for resource management in a wireless communication system |
| CN101777940A (en) * | 2009-01-12 | 2010-07-14 | 华为技术有限公司 | Method, device and system for transmitting uplink information |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103220790A (en) * | 2012-01-20 | 2013-07-24 | 中兴通讯股份有限公司 | Distribution method and distribution device for control channel resources |
| CN103220790B (en) * | 2012-01-20 | 2018-02-27 | 中兴通讯股份有限公司 | The distribution method and device of control channel resource |
| WO2016065622A1 (en) * | 2014-10-31 | 2016-05-06 | 华为技术有限公司 | Resource allocating apparatus and method |
| WO2016138666A1 (en) * | 2015-03-05 | 2016-09-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Resource allocation method, control entity and access node using the same |
| CN107409331A (en) * | 2015-03-05 | 2017-11-28 | 瑞典爱立信有限公司 | Resource allocation methods, controlled entity and the access node using this method |
| EP3266244A4 (en) * | 2015-03-05 | 2018-10-24 | Telefonaktiebolaget LM Ericsson (publ) | Resource allocation method, control entity and access node using the same |
| WO2017092377A1 (en) * | 2015-12-03 | 2017-06-08 | 中兴通讯股份有限公司 | Dynamic resource allocation method and device in mobile communication system |
| CN106851747A (en) * | 2015-12-03 | 2017-06-13 | 中兴通讯股份有限公司 | Dynamic resource allocation method and device in a kind of GSM |
| CN106851747B (en) * | 2015-12-03 | 2022-04-22 | 中兴通讯股份有限公司 | Dynamic resource allocation method and device in mobile communication system |
| CN108370575A (en) * | 2016-01-05 | 2018-08-03 | 富士通株式会社 | Information transferring method, device and system |
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Application publication date: 20130109 |