CN102869107A - Control information transmitting method and device - Google Patents
Control information transmitting method and device Download PDFInfo
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- CN102869107A CN102869107A CN2011101907667A CN201110190766A CN102869107A CN 102869107 A CN102869107 A CN 102869107A CN 2011101907667 A CN2011101907667 A CN 2011101907667A CN 201110190766 A CN201110190766 A CN 201110190766A CN 102869107 A CN102869107 A CN 102869107A
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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 special sub frame is established in advance through the orthogonal frequency division multiplexing (OFDM) symbol translational mode, the OFDM symbol in the specific resource of the control channel in the special sub frame is translated to the middle part and/or tail part of the sub frame, namely a normal sub frame is split into micro sub frames, and the flexibility is accordingly increased; when the special sub frame needs to be utilized for configuring control channel resource for a user, the control channel resource is allocated to the user according to the principle that the translational resource in the special sub frame is allocated to a user in strong interference; and the control information to be transmitted to the user is added to the allocated control channel and is transmitted to the user. With the control information transmitting method and the control information transmitting device, the interference of physical resource containing the control channel or control information between cells is relieved, the success rate of signaling receiving and resolving control is improved, and the system performance is effectively improved accordingly.
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.
In the control channel collocation method of above-mentioned static state, the structure of common subframe as shown in Figure 1, the control channel resource is positioned at the subframe head, 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.
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, the mode by the translation of orthogonal frequency division multiplex OFDM symbol in advance make up special subframe, and the allocated resource place OFDM symbol of control channel moves to middle part and/or the afterbody of subframe in the described special subframe;
B, when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource;
C, the control information that needs are sent to described user are filled in the control channel that distributes, and send to described user.
A kind of dispensing device of control information, this device comprises:
The special subframe constructing module is used for the mode by the translation of OFDM symbol, makes up special subframe, and the allocated resource place OFDM symbol of control channel moves to middle part and/or the afterbody of subframe in the described special subframe;
The control channel resource distribution module, be used for when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource;
Information sending module is filled in the control channel that the control channel resource distribution module distributes for the control information that needs is sent to described user, sends to described user.
In sum, sending method and the device of the control information that the present invention proposes, by being carried out translation, all or part of resource of a subframe internal control channel resource processed obtains special subframe, and according to preferentially the resource of carrying out described translation in the described special subframe is distributed to the principle that is in interference user carries out the distribution of resource, can alleviate the interference of minizone control channel or control information place physical resource, promote the success rate that control signal receives and resolves, thus the Effective Raise systematic function.
Description of drawings
Fig. 1 is the structural representation of common subframe in the control channel collocation method of existing static state;
Fig. 2 is the method flow schematic diagram of the embodiment of the invention one;
Fig. 3 is special subframe structural representation one in the embodiment of the invention one;
Fig. 4 is special subframe structural representation two in the embodiment of the invention one;
Fig. 5 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: adopt the mode that all or part of resource of a subframe internal control channel resource processed is carried out translation, the different edge customers of neighbor cell are owing to the adjacent area interference problem of having used same frequency resources to produce when avoiding sending control signaling.
Fig. 2 is the method flow schematic diagram of the embodiment of the invention one, and as shown in Figure 2, this embodiment mainly may further comprise the steps:
Step 201, the mode by the translation of OFDM symbol in advance, make up special subframe, the allocated resource place OFDM symbol of control channel moves to middle part and/or the afterbody (as shown in Figure 3 and Figure 4) of subframe in the described special subframe, in the special subframe among Fig. 3, all the OFDM symbol of control channel resource is moved to the subframe middle part, in the special subframe among Fig. 4, the OFDM symbol of a part of control channel resource is moved to the subframe middle part.
Here, the described allocated resource of carrying out translation can also can be part control channel resource for the whole control channel resources in the subframe, specifically can determine to carry out according to the needs of interval interference coordination the appropriate resources quantity of translation.
In this step, by the whole control channel resources in the subframe or part control channel resource are carried out translation, even the head of the position of control channel resource from normal sub-frames moves to middle part or afterbody, thereby obtain special subframe.Like this, in the control channel assigning process of follow-up reality, can dynamically utilize this special subframe to make to be in the control channel that disturbs strong dispatched users and other users' control channel to stagger in time, thereby can effectively reduce the degree that is disturbed of this part interference user.
What need here to further specify is, this step is when the structure special subframe, in fact parton frame in the radio frames to be split be divided into little subframe, the parameter of splitting minute can be by the normal sub-frames transmission, the indication of resource can be kept the interior indication of original subframe and stride the subframe indication, thereby so that the resource of part control channel can be carried out translation in subframe, forms beating of time domain aspect, each neighbor cell can be beated in well-regulated translation, thus can equalization and reduction avoid presence of intercell interference.
Step 202, when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource.
Here, as previously mentioned, by according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be user assignment control channel resource, can reduce and be in the suffered annoyance level of interference user.The described interference user that is in is the user that the current annoyance level that is subject to is higher than a predetermined threshold value, and the concrete setting of this threshold value can by those skilled in the art, arrange suitable value according to actual needs.In addition, usually, being in interference user is to be in the user of cell edge or for working in coordination with the user in multicast communication zone, therefore, also this threshold value can be set according to these regional users' annoyance level.
Particularly, need to utilize described special subframe can be determined also can be determined by the mode of Event triggered by the mode that the cycle triggers for the situation that the user disposes the control channel resource, be specifically as follows: when default special subframe life cycle arrives, perhaps, when the interference value of user in the residential quarter reaches predetermined threshold value, certainly also be not limited to above-mentioned two situations, as long as can dynamically utilize special subframe to come for the user disposes the control channel resource, get final product to reach the purpose that reduces user's interference.
Described special subframe life cycle can be put suitable value according to the intensity of presence of intercell interference.
Described threshold value can be arranged by the interference range that the system wireless performance setting is accepted.
In actual applications, when not needing to utilize described special subframe to dispose the control channel resource for the user, then adopt the control channel collocation method of existing static state, namely utilize common subframe shown in Figure 1, come not repeat them here for user assignment control channel resource gets final product.
Step 203, the control information that needs are sent to described user are filled in the control channel that distributes, and send to described user.
Fig. 5 is corresponding with said method apparatus structure schematic diagram, and as shown in Figure 5, this device comprises:
The special subframe constructing module is used for the mode by the translation of OFDM symbol, makes up special subframe, and the allocated resource place OFDM symbol of control channel moves to middle part or the afterbody of subframe in the described special subframe;
The control channel resource distribution module, be used for when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource;
Information sending module is filled in the control channel that the control channel resource distribution module distributes for the control information that needs is sent to described user, sends to described user.
Describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user be: when default special subframe life cycle arrives.
Describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user be: when described user's interference value reaches predetermined threshold value.
Described allocated resource is whole control channel resources or part control channel resource.
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 (8)
1. the sending method of a control information is characterized in that, the method may further comprise the steps:
A, the mode by the translation of orthogonal frequency division multiplex OFDM symbol in advance make up special subframe, and the allocated resource place OFDM symbol of control channel moves to middle part and/or the afterbody of subframe in the described special subframe;
B, when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource;
C, the control information that needs are sent to described user are filled in the control channel that distributes, and send to described user.
2. method according to claim 1 is characterized in that, describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user is: when default special subframe life cycle arrives.
3. method according to claim 1 is characterized in that, describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user is: when described user's interference value reaches predetermined threshold value.
4. method according to claim 1 is characterized in that, described allocated resource is whole control channel resources or part control channel resource.
5. the dispensing device of a control information is characterized in that, this device comprises:
The special subframe constructing module is used for the mode by the translation of OFDM symbol, makes up special subframe, and the allocated resource place OFDM symbol of control channel moves to middle part and/or the afterbody of subframe in the described special subframe;
The control channel resource distribution module, be used for when needs utilize described special subframe to dispose the control channel resource for the user, according to preferentially the resource of carrying out described translation in the described special subframe being distributed to the principle that is in interference user, be described user assignment control channel resource;
Information sending module is filled in the control channel that the control channel resource distribution module distributes for the control information that needs is sent to described user, sends to described user.
6. device according to claim 5 is characterized in that, describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user is: when default special subframe life cycle arrives.
7. device according to claim 5 is characterized in that, describedly in the time need to utilizing described special subframe to dispose the control channel resource for the user is: when described user's interference value reaches predetermined threshold value.
8. device according to claim 5 is characterized in that, described allocated resource is whole control channel resources or part control channel resource.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110190766.7A CN102869107B (en) | 2011-07-08 | 2011-07-08 | Control information transmitting method and device |
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| CN201110190766.7A CN102869107B (en) | 2011-07-08 | 2011-07-08 | Control information transmitting method and device |
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| CN102869107A true CN102869107A (en) | 2013-01-09 |
| CN102869107B CN102869107B (en) | 2015-04-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028619A1 (en) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | Resource configuration method and apparatus |
| WO2023082087A1 (en) * | 2021-11-10 | 2023-05-19 | 上海华为技术有限公司 | Control signaling transmission method, communication node, and base station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060209973A1 (en) * | 2005-03-17 | 2006-09-21 | Alexei Gorokhov | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| CN101223753A (en) * | 2005-07-20 | 2008-07-16 | Nxp股份有限公司 | Method and synchronizer for fine OFDM symbol synchronization and method/receiver for the reception of ofdm symbols |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060209973A1 (en) * | 2005-03-17 | 2006-09-21 | Alexei Gorokhov | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| CN101223753A (en) * | 2005-07-20 | 2008-07-16 | Nxp股份有限公司 | Method and synchronizer for fine OFDM symbol synchronization and method/receiver for the reception of ofdm symbols |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028619A1 (en) * | 2016-08-11 | 2018-02-15 | 华为技术有限公司 | Resource configuration method and apparatus |
| US10855508B2 (en) | 2016-08-11 | 2020-12-01 | Huawei Technologies Co., Ltd. | Resource configuration method and apparatus |
| WO2023082087A1 (en) * | 2021-11-10 | 2023-05-19 | 上海华为技术有限公司 | Control signaling transmission method, communication node, and base station |
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| CN102869107B (en) | 2015-04-01 |
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