CN102833790A - Method for transmitting control signaling - Google Patents

Method for transmitting control signaling Download PDF

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Publication number
CN102833790A
CN102833790A CN2011101579713A CN201110157971A CN102833790A CN 102833790 A CN102833790 A CN 102833790A CN 2011101579713 A CN2011101579713 A CN 2011101579713A CN 201110157971 A CN201110157971 A CN 201110157971A CN 102833790 A CN102833790 A CN 102833790A
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China
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control signaling
base station
zone
characterized
signaling
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CN2011101579713A
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Chinese (zh)
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CN102833790B (en
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易三军
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普天信息技术研究院有限公司
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Publication of CN102833790A publication Critical patent/CN102833790A/en
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Abstract

The invention provides a method for transmitting control signaling, comprising the following steps: a base station semi-persistently allocates an area for transmitting the specified control signaling in a data service area and informs UE (user equipment) through a broadcast or signaling, and the base station transmits the specified control signaling by using the area allocated semi-persistently. Due to the adoption of the method, the service data and the resource distribution of the control signaling can be balanced flexibly, the special control channel can be provided for the corresponding UE and service flexibly, and the coexistence of various services can be realized flexibly.

Description

A kind of control signaling method

Technical field

The present invention relates to the control channel technology of communication system, particularly a kind of control signaling method.

Background technology

In the wireless communication system that comprises OFDM/OFDMA at present, control channel place running time-frequency resource is more fixing, makes things convenient for UE to obtain; Also some design is fully dynamically to place control information, makes fully mixed transport of control information and business datum, and is too dynamic, also increased the complexity and the computational complexity of signaling.

The control channel design adapts to data service data more flexibly in existing OFDM/OFDMA system, and signaling consumption is bigger; And along with the development of mobile Internet, a lot of short data transmission demand appear in the emerge in multitude of short data services such as mutual, the instant message of similar microblogging, twitter, recreation.Along with the many monitoring parameters of the development of Internet of Things, the transmission of quantity of state also has the novel short data transmission requirements of part simultaneously.In the transmission of short data service, each business datum amount is less, but the transfer ratio of controlling signaling is more frequent.In the existing control signaling transmission; Control channel place video resource is fixed; The division of the physical radio resource that the control signaling is used and the physical radio resource of transfer of data is to be the boundary with the OFDM symbol, therefore, the situation of signaling congestion may occur controlling; And the Radio Resource in business datum district possibly also have the free time, is difficult to the employed physical radio resource of good Balance Control and business datum district.

Simultaneously, in the transmission of existing control signaling, control channel place running time-frequency resource is more fixing; Though make things convenient for receiving terminal to obtain; But the down control channel position is identical between neighbor cell, and when identical networking, the interference between the control channel is difficult to eliminate; And part UE needs the minizone of better control channel to carry out interference coordination, just can obtain systematic function preferably.

And in the public's the OFDM/OFDMA system,,, need the expense of extra increase control signaling if still adopt the general controls channel to control the signaling transmission for some special business and terminal, when realizing the multi-service coexistence, implementation complexity is higher.

Summary of the invention

The invention provides a kind of control signaling method, the resource allocation of balance business datum and control signaling provides the special control channel to corresponding UE and business flexibly flexibly, realizes multiple business flexibly and deposits.

For realizing above-mentioned purpose, the present invention adopts following technical scheme:

A kind of control signaling method comprises:

Base station semi-persistent in the data service zone marks off the zone that is used to transmit the specified control signaling, gives the UE under this base station through broadcasting or signaling;

The said zone transmission specified control signaling that said base station utilizes semi-persistent to divide.

Preferably, the said specified control signaling control signaling that is short data service.

Preferably, said specified control signaling is the control signaling that is transferred to particular UE, the Cell Edge User of said particular UE for needing strong jamming to coordinate.

Preferably, in same multipoint cooperative transmission region, adjacent base station marks off, and to be used to transmit the physical resource of specified control signaling area different.

Preferably, said specified control signaling is to be used for controlling the control signaling that private network is specified type service.

Preferably, belonging on the adjacent resource of running time-frequency resource, mark off the zone that is used to transmit the specified control signaling with the general controls channel.

Preferably, in the term of validity that semi-persistent is divided, the said zone that marks off is all effective to all subframes.

Preferably, in the term of validity that semi-persistent is divided, the said zone that marks off is effective to the part given sub-frame.

Preferably, pre-configured position and the frequency that the effective subframe in the said zone that marks off is occurred.

Preferably; This method further comprises: for the business of being controlled and adopt SPS transmission by said specified control signaling, the control signaling of this business position and this business in said semi-persistent range of distribution set up mapping relations between by the traffic channel resource of period allocated;

Said base station is controlled and when adopting the control signaling of business of SPS transmission, according to said mapping relations, on the position of correspondence, is transmitted the control signaling of this business by the specified control signaling in that transmission is said.

Preferably, on different subframes, move by preset rules the regional shared running time-frequency resource position that being used to of marking off transmitted the specified control signaling; This method further comprises: the UE under this base station is notified with said preset rules in said base station.

Visible by technique scheme, among the present invention, the base station marks off the zone that is used to transmit the specified control signaling in the data service zone, distributes to the UE under this base station through broadcasting or signaling semi-persistent; The said zone transmission specified control signaling that said base station utilizes semi-persistent to distribute.By the way, utilize business datum zone transmission specified control signaling, thereby make full use of the business datum zone, alleviate too much that the control signaling is transmitted and the control channel congestion problems that causes on control channel.

Description of drawings

Fig. 1 is the control signal transmission method schematic flow sheet of short data service in the embodiment of the invention one;

Fig. 2 divides instance for control signaling transmission region among the present invention;

Fig. 3 is the control signal transmission method schematic flow sheet of particular UE in the embodiment of the invention two;

Fig. 4 is the control signal transmission method schematic flow sheet of particular service in the embodiment of the invention three.

Embodiment

For making the object of the invention, technological means and advantage clearer, the present invention is explained further details below in conjunction with accompanying drawing.

Basic thought of the present invention is: utilize the resource transmission control signaling of Traffic Channel, thereby solve control signaling and the unbalanced problem of business datum resource allocation.

Particularly, the control signaling method among the present invention comprises: base station semi-persistent in the data service zone marks off the zone that is used to transmit the specified control signaling, gives the UE under this base station through broadcasting or signaling; The said zone transmission specified control signaling that said base station utilizes semi-persistent to divide.Wherein, the specified control signaling can be the control signaling of pre-configured as required some UE or some particular service, and these signalings are through transmitting in the business datum zone, to save control channel resource, the resource allocation of Balance Control signaling and business datum.Through three specific embodiments concrete realization of the present invention is described below, wherein each embodiment correspondence is provided with corresponding specified control signaling.

Embodiment one:

In the present embodiment, in the business datum zone, transmit for the control signaling of short data service.Fig. 1 is the control signal transmission method flow chart of short data service in the present embodiment.This method as shown in Figure 1 comprises:

Step 101, base station semi-persistent in the data service zone marks off the zone that is used to transmit short data service control signaling, gives the UE under this base station through broadcasting or signaling.

When in the data service zone, dividing the control signaling area, can select running time-frequency resource as required.Preferably; Can belong on the adjacent resource of running time-frequency resource with existing general controls channel; Divide the control signaling of coming out to be used to transmit short data service, for example, in the control signaling of the adjacent transmitted over resources short data service of time domain that has the general controls channel now; To make things convenient for the user to obtain the control signaling earlier, extract the business datum of this frame again according to the control signaling; Simultaneously, in the present invention, the zone that being used to of marking off transmitted short data service control signaling can take whole OFDM symbol or only take part of O FDM symbol, like this, can strengthen the flexibility of the utilization of resources.A kind of instance of zoning is as shown in Figure 2.

The short data service control signaling transmission region that the base station marks off is a semi-persistent; Concrete semi-persistent is divided and is similar to the semi-continuous scheduling (SPS) in the existing system; After giving UE by disposable division in base station and notice; This zone should be divided through broadcasting or signaling method cancellation up to the base station always as control signaling transmission region once more.

When dividing short data service control signaling transmission region in the base station; In the term of validity that this semi-persistent is divided; The zone that marks off can be all effective to all subframes, and promptly in this term of validity on all subframes, corresponding running time-frequency resource all is used to transmit the control signaling of short data service; Perhaps, also can be through pre-configured, the zone that instruction marks off is only effective to the part subframe, and can dispose position and frequency that effective subframe occurs, and the concrete effectively density degree of subframe can be configured based on the portfolio of short data.Under to the effective situation of part subframe; The subframe in semi-continuous division control channel zone; Can mix with the general subframe in no semi-continuous division control channel zone and deposit, the subframe with semi-continuous division control channel zone is periodically sent with the sparse degree of difference as required.

When semi-continuous division was used to transmit short data control signaling regional, on different subframes, the regional shared running time-frequency resource position that marks off can be identical; Perhaps; The regional shared running time-frequency resource position that on different subframes, marks off also can be moved according to preset rules, is similar to frequency hopping operation of the prior art, for example; On adjacent two sub-frame, mark off shared running time-frequency resource position, zone and on time domain or frequency domain direction, move plurality of unit.For the mode of moving the running time-frequency resource position according to preset rules, can interference randomization be beneficial to the control signaling of eliminating between the user and disturb; Simultaneously, the UE under this base station need be notified with preset rules in the base station, and like this, the UE that carries out short data service can be regular according in advance, and definite position accurately receives the control signaling of corresponding short data service.

The zone that the base station will be divided through broadcasting or signaling method is notified to the UE under this base station.Wherein, can high-level signaling in the signaling, also can be the bottom signaling.

The control signaling of short data service is transmitted in the zone that step 102, base station utilize semi-persistent to divide.

Through after the semi-continuous division of step 101, in the term of validity of this division, the base station is when the control signaling of needs transmission short data service, and the corresponding short data service of the regions carry of utilizing this semi-persistent to divide is controlled signaling.

So far, the control signaling method flow process of base station side finishes.Receive the control signaling of short data service again in the relevant position by UE through following step.

Step 103 is carried out the UE of short data service in the base station, the control signaling of reception short data service in the zone of semi-continuous division.

UE in the base station if comprise short data service in the ongoing business, then receives the control signaling of corresponding short data service on the running time-frequency resource of UE appointment when the semi-continuous division in base station.

The above-mentioned basic skills that is control signaling transmission in the present embodiment.By the way, can utilize the traffic channel resource control channel, thereby save the control channel expense, and Balance Control information and business datum taking resource better.The physical control channel of offering for short data simultaneously is beneficial to the timely transmission of control information, adapts to various short data services.In addition, the regional location possibility difference that is used to transmit short data service control signaling of semi-continuous division when identical networking, might be eliminated the interference between the short data control signaling between neighbor cell, improves systematic function to a certain extent.

In the such scheme; The short data service control signaling transmission region that in the business datum zone, marks off; Its usage is identical with existing control channel usage; As the resource pool that is used to transmit short data service control signaling, need the control signaling of transmission in this resource pool, to select running time-frequency resource to transmit arbitrarily it, flexibility is bigger.

Perhaps,, also can in this resource pool, specify the running time-frequency resource position to carry out the transmission of specific control signaling for further simplifying control signaling itself, specific as follows:

In more existing short data services, can adopt the SPS mode to carry out business data transmission, promptly behind dispatching services channel resource, UE can periodically use this scheduled resources to carry out business data transmission.For adopting the SPS mode to carry out the UE of business data transmission, preferably, certain binding is taked with the SPS that business data transmission adopts in the band of position of control signaling among the present invention, controls the related of signaling and business datum to simplify.When concrete the realization; Set up mapping relations between the traffic channel resource that the business control signaling that adopts the SPS mode to transmit position and this business in the semi-persistent range of distribution is assigned with; The base station is when being the corresponding service control channel; Directly, determine the corresponding control signaling position of traffic channel resource that this business is assigned with, the control signaling of this business of transmission on the relevant position based on the mapping relations of setting up; UE receives the control signaling of corresponding service equally based on the mapping relations of setting up on the relevant position of semi-persistent range of distribution.Like this, can further simplify control signaling itself, and simplify control the related of signaling and business datum.

Embodiment two:

In the present embodiment, transmit in the business datum zone for the control signaling of particular UE, concrete particular UE is meant the cell edge UE that needs strong jamming to coordinate, and for example gets into the UE in multipoint cooperative transmission (CoMP) zone.Fig. 3 is the control signal transmission method flow chart of particular UE in the present embodiment.This method as shown in Figure 3 comprises:

Step 301, base station semi-persistent in the data service zone marks off the zone of the control signaling that is used to transmit particular UE, gives all UE under this base station through broadcasting or signaling.

Wherein, identical in the mode of dividing the control signaling area and the method for salary distribution and the abovementioned steps 101, just repeat no more here.

Further, when dividing particular UE control signaling regional, for further carrying out interference coordination; Preferably; In same multipoint cooperative transmission region, adjacent base station marks off is used to transmit the regional different of specified control signaling, staggers in time domain or frequency domain each other.Like this, can avoid controlling interfering with each other between signaling.

After step 302, base station detected the cell edge UE that needs the strong jamming coordination, the control signaling of this UE was transmitted in the zone that utilizes semi-persistent to divide.

Wherein, concrete detections needs the mode of cell edge UE of UE of strong jamming coordination identical with existing mode, just repeats no more here.

Step 303, the cell edge UE that needs strong jamming to coordinate receives the control signaling in the semi-persistent assigned region.

So far, the method flow in the present embodiment finishes.Through control signaling, control the interference between signaling in this method thereby reduce different UEs in business datum zone transmission particular UE.

In the present embodiment; Also can with embodiment one in identical; In the business that adopts the SPS mode to transmit, will control between signaling position and traffic channel resource and set up mapping relations, thereby further simplify control signaling itself and control the related of signaling and business datum.

Embodiment three:

In the present embodiment, transmit in the business datum zone for the control signaling of the particular service in the public OFDM/OFDMA system, concrete particular service can be that the specified type in the private network is professional, for example the business in the private network such as public security, traffic police.Fig. 4 is the control signal transmission method flow chart of particular service in the present embodiment.This method as shown in Figure 4 comprises:

Step 401, base station semi-persistent in the data service zone marks off the zone that is used to transmit particular service control signaling, gives to all UE under this base station through broadcasting or signaling.

Wherein, identical in the mode of dividing the control signaling area and advice method and the abovementioned steps 101, just repeat no more here.

The control signaling of particular service is transmitted in the zone that step 402, base station utilize semi-persistent to divide.

Step 403, the UE of particular service receives the control signaling of this business in the semi-persistent assigned region.

Wherein, the particular service that has uses general purpose terminal, and then this Terminal Type receives the control signaling of corresponding service in the semi-persistent assigned region when carrying out particular service.The particular service that has uses particular terminal, and then these particular terminal just directly receive the control signaling in the zone that semi-persistent is divided, and is the control signaling of corresponding particular service.

So far, the method flow in the present embodiment finishes.Through present embodiment, can open up some special control signaling put areas for special business and terminal, thereby succinctly realize the multi-service coexistence.

In the present embodiment; Also can with embodiment one and two in identical; In the business that adopts the SPS mode to transmit, will control between signaling position and traffic channel resource and set up mapping relations, thereby further simplify control signaling itself and control the related of signaling and business datum.

Above-mentionedly be concrete realization of the present invention.Visible by above-mentioned three specific embodiments; Among the present invention, through going out the specific region control channel in the business datum area dividing, thus the resource that balance business datum and control signaling are distributed; Improve the mutual disturbance regime of control signaling between the user, and can succinctly realize the multi-service coexistence.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.

Claims (11)

1. control signaling method for one kind, it is characterized in that this method comprises:
Base station semi-persistent in the data service zone marks off the zone that is used to transmit the specified control signaling, gives the UE under this base station through broadcasting or signaling;
The said zone transmission specified control signaling that said base station utilizes semi-persistent to divide.
2. method according to claim 1 is characterized in that, the control signaling that said specified control signaling is a short data service.
3. method according to claim 1 is characterized in that, said specified control signaling is the control signaling that is transferred to particular UE, the Cell Edge User of said particular UE for needing strong jamming to coordinate.
4. method according to claim 3 is characterized in that, in same multipoint cooperative transmission region, adjacent base station marks off, and to be used to transmit the physical resource of specified control signaling area different.
5. method according to claim 1 is characterized in that, said specified control signaling is to be used for controlling the control signaling that private network is specified type service.
6. according to arbitrary described method in the claim 1 to 5, it is characterized in that,, mark off the zone that is used to transmit the specified control signaling belonging on the adjacent resource of running time-frequency resource with the general controls channel.
7. according to arbitrary described method in the claim 1 to 5, it is characterized in that in the term of validity that semi-persistent is divided, the said zone that marks off is all effective to all subframes.
8. according to arbitrary described method in the claim 1 to 5, it is characterized in that in the term of validity that semi-persistent is divided, the said zone that marks off is effective to the part given sub-frame.
9. method according to claim 8 is characterized in that, pre-configured position and the frequency that the effective subframe in the said zone that marks off is occurred.
10. based on arbitrary described method in the claim 1 to 5; It is characterized in that; This method further comprises: for the business of being controlled and adopt SPS transmission by said specified control signaling, the control signaling of this business position and this business in said semi-persistent range of distribution set up mapping relations between by the traffic channel resource of period allocated;
Said base station is controlled and when adopting the control signaling of business of SPS transmission, according to said mapping relations, on the position of correspondence, is transmitted the control signaling of this business by the specified control signaling in that transmission is said.
11., it is characterized in that on different subframes, move by preset rules the regional shared running time-frequency resource position that being used to of marking off transmitted the specified control signaling according to arbitrary described method in the claim 1 to 5; This method further comprises: the UE under this base station is notified with said preset rules in said base station.
CN201110157971.3A 2011-06-13 2011-06-13 Method for transmitting control signaling CN102833790B (en)

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CN101287282A (en) * 2007-04-11 2008-10-15 华为技术有限公司 Method and apparatus for transmitting control signalling
CN101895927A (en) * 2009-05-22 2010-11-24 中兴通讯股份有限公司 Method for implementing constant dispatching
CN102056299A (en) * 2009-10-28 2011-05-11 北京三星通信技术研究有限公司 Method and device for transmitting downlink control signalling

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WO2008041828A3 (en) * 2006-10-04 2009-09-03 Lg Electronics Inc. Methods for transmitting control signal and methods for allocating communication resource to do the same
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CN105052224B (en) * 2013-11-22 2019-08-23 华为技术有限公司 Video traffic dispatching method and device

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