CN105164936A - Signal transmission method and system, controller, and base station - Google Patents

Signal transmission method and system, controller, and base station Download PDF

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Publication number
CN105164936A
CN105164936A CN201380003770.5A CN201380003770A CN105164936A CN 105164936 A CN105164936 A CN 105164936A CN 201380003770 A CN201380003770 A CN 201380003770A CN 105164936 A CN105164936 A CN 105164936A
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China
Prior art keywords
user equipment
power
cell
step size
adjustment step
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Granted
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CN201380003770.5A
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CN105164936B (en
Inventor
李安俭
肖登坤
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN105164936A publication Critical patent/CN105164936A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size

Abstract

A signal transmission method and system, a controller, and a base station are used in the technical field of communications. The signal transmission method comprises: a controller of a base station of a small cell determining whether signal transmission by a first user equipment interferes with communication of a second user equipment; if yes, adjusting a power adjustment step of the first user equipment; and sending the adjusted power adjustment step to the first user equipment by using the base station of the small cell to which the first user equipment belongs, the adjusted power adjustment step being used for adjusting, by the first user equipment, a transmit power according to the adjusted power adjustment step and transmitting a signal according to the adjusted transmit power, so as to implement data transmission.

Description

Signal transmission method and system, controller, and base station
A kind of signal transmitting method, system and controller and base station
Technical field
The present invention relates to communication technical field, more particularly to signal transmitting method, system and controller and base station.Background technology
With the growth of mobile data flow, in order to more effectively realize that hooking for network capacity covers and eliminated the cavity that single grand covering is caused, reduction focus and room area station for acquiring and the difficulty of engineering construction, cell（Small Cell) selection of operator can be increasingly becoming.Cell is usually increased micro-base station or WAP on the basis of the MPS process of macro base station（Access Point, AP) cell that is covered, the micro-base station or wireless aps are connected by macro base station with core net, and cell can mainly have following several forms：It is mainly used in the home cell in home and enter-prises environments（), FemtoCell the Microcell applied to indoor public places such as shopping center（), PicoCell applied to the Microcell (MicroCell) in limited regional such as rural area and applied to cellular cell（ MetroCell ).
With the increase of the cell of deployment, then for the user equipment of small cell edge, if the transmission power of user equipment is excessive, stronger interference may be produced to the user equipment at adjacent area edge, so as to reduce the handling capacity of system.
The content of the invention
The embodiment of the present invention provides signal transmitting method, system and controller and base station, reduces the handling capacity of system.
First aspect of the embodiment of the present invention provides a kind of signal transmitting method, including：
Controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, and adjusts the power adjustment step size of first user equipment；
The power adjustment step size after adjustment is sent to first user equipment by the controller by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of first aspect of the embodiment of the present invention, the communication for determining the first user equipment transmission signal to second user equipment is interfered, and is specifically included：
Determine that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
With reference to the first possible implementation of first aspect of the embodiment of the present invention or first aspect, in the present invention In the possible implementation of second of embodiment first aspect, before communication of the first user equipment transmission signal of the determination to second user equipment is interfered, in addition to：
The controller determines that the power adjustment step size of first user equipment exceedes preset Second Threshold.With reference to second of possible implementation of first aspect of the embodiment of the present invention, in the third possible implementation of first aspect of the embodiment of the present invention, the power adjustment step size for determining first user equipment exceedes preset Second Threshold, specifically includes：
It is determined that the power adjustment step size that the base station for receiving cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
With reference to the embodiment of the present invention in a first aspect, or first aspect the first any possible implementation into the third possible implementation, in the 4th kind of possible implementation of first aspect of the embodiment of the present invention, methods described also includes：
The exclusive power contorl parameters of the cell of the first user equipment serving cell are sent to the base station of cell belonging to first user equipment by the controller, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment；Or,
The exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the controller by the base station of cell belonging to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
Second aspect of the embodiment of the present invention provides a kind of signal transmitting method, including：
Power adjustment step size after the adjustment that the controller that the base station of cell belonging to first user equipment receives the base station of cell is sent；Power adjustment step size after the adjustment is when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of first user equipment； The power adjustment step size after the adjustment is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of second aspect of the embodiment of the present invention, methods described also includes：The base station of cell belonging to first user equipment receives the exclusive power parameter of cell and the exclusive parameter of cell for the first user equipment serving cell that the controller is sent；
The base station of cell belonging to first user equipment obtains power adjustment step size, scheduling resource block message and power adjusting factor；
The exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
With reference to the first possible implementation of second aspect of the embodiment of the present invention, in second of possible implementation of second aspect of the embodiment of the present invention, before the power adjustment step size after the adjustment of the controller transmission of the base station for receiving cell, in addition to：
If the power adjustment step size of first user equipment exceedes preset Second Threshold, the power adjustment step size of first user equipment is sent to the controller and is adjusted by the base station of cell belonging to first user equipment.
With reference to second aspect of the embodiment of the present invention, in the third possible implementation of second aspect of the embodiment of the present invention, methods described also includes：
The base station of cell belonging to first user equipment receives the exclusive power contorl parameters of cell for the first user equipment serving cell that the controller is sent, obtains power adjustment step size, scheduling resource block message and power adjusting factor；
The exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor. The third aspect of the embodiment of the present invention provides a kind of controller, including：
Determining unit is disturbed, for determining that communication of the first user equipment transmission signal to second user equipment is interfered；
Step-length adjustment unit, for when the interference determining unit determines interference, adjusting the power adjustment step size of first user equipment；
Transmitting element, the power adjustment step size after for step-length adjustment unit to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for the first user equipment ^ ^ and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of the third aspect of the embodiment of the present invention：
The interference determining unit, specifically for determining that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
With reference to the first possible implementation of the third aspect of the embodiment of the present invention or the third aspect, in second of possible implementation of the third aspect of the embodiment of the present invention, the controller also includes：
Step size determination unit, for determining that the power adjustment step size of first user equipment exceedes preset Second Threshold, and the determination for disturbing determining unit to be disturbed is notified, the determination disturbed includes the interference determining unit and determines that communication of the first user equipment transmission signal to second user equipment is interfered.
With reference to second of possible implementation of the third aspect of the embodiment of the present invention, in the third possible implementation of the third aspect of the embodiment of the present invention, the step size determination unit, specifically for determining the power adjustment step size that the base station for receiving cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
With reference to the third aspect of the embodiment of the present invention, or the third aspect the first into the third possible implementation any possible implementation, in the 4th kind of possible implementation of the third aspect of the embodiment of the present invention, the controller also includes：First information transmitting element and/or the second information transmitting unit, wherein：
The first information transmitting element, base station for the exclusive power contorl parameters of the cell of the first user equipment serving cell to be sent to cell belonging to first user equipment, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, it is slight according to the exclusive power contorl parameters of the cell, and belonging to first user equipment that the exclusive power contorl parameters of the cell are used for first user equipment Power adjustment step size, scheduling resource block message and the power adjusting factor that the base station in area is sent determine the transmission power of first user equipment；
Second information transmitting unit, for by the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
Fourth aspect of the embodiment of the present invention provides a kind of base station, including：
Step-length receiving unit, power adjustment step size after the adjustment that the controller of base station for receiving cell is sent, power adjustment step size after the adjustment is, when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to be obtained after being adjusted to the power adjustment step size of first user equipment；
Adjusting step transmitting element, first user equipment is sent to for the power adjustment step size after the adjustment that receives the step-length receiving unit, the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of fourth aspect of the embodiment of the present invention, the base station also includes：First information receiving unit, the exclusive power parameter of cell and the exclusive parameter of cell for receiving the first user equipment serving cell that the controller is sent；
Information acquisition unit, for obtaining power adjustment step size, scheduling resource block message and power adjusting factor；First information retransmission unit, the power contorl parameters exclusive for the cell for receiving the first information receiving unit, and the power adjustment step size that described information acquiring unit is obtained, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
With reference to the first possible implementation of fourth aspect of the embodiment of the present invention, in second of possible implementation of fourth aspect of the embodiment of the present invention, the base station also includes：
Step-length transmitting element, if the power adjustment step size for first user equipment exceedes preset the Two threshold values, are sent to the controller by the power adjustment step size of first user equipment and are adjusted.With reference to fourth aspect of the embodiment of the present invention, in the third possible implementation of fourth aspect of the embodiment of the present invention, the base station also includes：
Second information receiving unit, for receiving the exclusive power contorl parameters of the cell of the first user equipment serving cell of the controller transmission, obtaining power adjustment step size, scheduling resource block message and power adjusting factor；
Second information retransmission unit, power contorl parameters, power adjustment step size, scheduling resource block message and the power adjusting factor exclusive for the cell for receiving second information receiving unit is sent to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for the first user equipment ^^ according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
The aspect of the embodiment of the present invention the 5th provides a kind of signal transmitting system, including：The base station of cell and controller belonging to first user equipment,
The controller be such as the third aspect of the embodiment of the present invention, or the third aspect the first controller into the 4th kind of possible implementation described in any possible implementation；
The base station of cell belonging to first user equipment be such as fourth aspect of the embodiment of the present invention, or fourth aspect the first base station into the third possible implementation described in any possible implementation.
The aspect of the embodiment of the present invention the 6th provides a kind of controller, including：Processor and emitter, wherein：The processor, for determining that communication of the first user equipment transmission signal to second user equipment is interfered, and adjusts the power adjustment step size of first user equipment；
The emitter, the power adjustment step size after for the processor to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for the first user equipment ^ ^ and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of the aspect of the embodiment of the present invention the 6th,
The processor, specifically for determining that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
With reference to the first possible implementation of the aspect of the embodiment of the present invention the 6th, or the 6th aspect, in second of possible implementation of the aspect of the embodiment of the present invention the 6th：
The processor, is additionally operable to determine that the power adjustment step size of first user equipment exceedes preset the During two threshold values, and determine that communication of the first user equipment transmission signal to second user equipment is interfered.With reference to second of possible implementation of the aspect of the embodiment of the present invention the 6th, in the third possible implementation of the aspect of the embodiment of the present invention the 6th, the controller also includes receiver；
The receiver, for receiving the power adjustment step size that the base station of cell belonging to first user equipment is sent；
The processor, specifically for determining that the receiver receives the power adjustment step size that the base station of cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
With reference to the aspect of the embodiment of the present invention the 6th, or the 6th aspect the first into the third possible implementation any possible implementation, in the 4th kind of possible implementation of the aspect of the embodiment of the present invention the 6th：The emitter, it is additionally operable to the exclusive power contorl parameters of the cell of the first user equipment serving cell being sent to the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment；Or,
The emitter, it is additionally operable to the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor belong to special power contorl parameters for first user equipment according to the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
The aspect of the embodiment of the present invention the 7th provides a kind of base station, including：Processor, Receiver And Transmitter, wherein：
The receiver, for receiving the power adjustment step size after the adjustment that the controller of base station of cell is sent；
The processor, the power adjustment step size after adjustment of the controller transmission of the base station for receiving cell when receiver, notifies the emitter that the power adjustment step size after the adjustment is sent into described first and used Family equipment, the power adjustment step size after the adjustment is when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of first user equipment；
The emitter, for the power adjustment step size after the adjustment to be sent into first user equipment, the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
In the first possible implementation of the aspect of the embodiment of the present invention the 7th：
The receiver, is additionally operable to receive the exclusive power parameter of cell and the exclusive parameter of cell for the first user equipment serving cell that the controller is sent；
The processor, is additionally operable to obtain power adjustment step size, scheduling resource block message and power adjusting factor；The emitter, it is additionally operable to the exclusive power contorl parameters of the cell that receives the receiver, and the power adjustment step size that the processor is obtained, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, and the power adjustment step size of the acquisition, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size of the acquisition, scheduling resource block message and power adjusting factor determine transmission power.
With reference to the first possible implementation of the aspect of the embodiment of the present invention the 7th, in second of possible implementation of the aspect of the embodiment of the present invention the 7th：
The processor, is additionally operable to determine that the power adjustment step size of first user equipment exceedes preset Second Threshold, notifies the emitter that the power adjustment step size of first user equipment is sent into the controller and is adjusted；
The emitter, is additionally operable to the power adjustment step size of first user equipment being sent to the controller and is adjusted.
In the third possible implementation of the aspect of the embodiment of the present invention the 7th：
The receiver, is additionally operable to receive the exclusive power contorl parameters of the cell for the first user equipment serving cell that the controller is sent, obtains power adjustment step size, scheduling resource block message and power adjusting factor；The emitter, it is additionally operable to the cell that receives the receiver exclusive power contorl parameters, power adjustment step size, scheduling resource block message and power adjusting factor and is sent to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor is used for First user equipment determines transmission power according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
Eighth aspect of the embodiment of the present invention provides a kind of signal transmitting system, including：The base station of cell and controller belonging to first user equipment,
The controller be such as the embodiment of the present invention the 6th in terms of, or the 6th aspect the first controller into the 4th kind of possible implementation described in any possible implementation；
In terms of the base station of cell is such as the embodiment of the present invention the 7th belonging to first user equipment, or the 7th aspect the first base station into the third possible implementation described in any possible implementation.
In the signal transmitting method of the present embodiment, the controller of the base station for managing cell is disposed in systems, when communication of the controller in the first user equipment transmission signal to second user equipment is interfered, adjust the power adjustment step size of the first user equipment, and the power adjustment step size after adjustment is sent to the first user equipment by the base station of cell belonging to the first user equipment, the power adjustment step size after the adjustment is used for the first user equipment and adjusts transmission power according to the power adjustment step size after adjustment.As long as so user equipment transmission signal when the communication of other user equipmenies can be interfered, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, cylinder will be made to the required accompanying drawing used in embodiment or description of the prior art below singly to introduce, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Figure la to Id is the structural representation of signal transmitting system provided in an embodiment of the present invention；Fig. 2 is a kind of flow chart of signal transmitting method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another signal transmitting method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another signal transmitting method provided in an embodiment of the present invention；
Fig. 5 is the flow chart of another signal transmitting method provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of controller provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another controller provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another controller provided in an embodiment of the present invention； Fig. 9 is a kind of structural representation of base station provided in an embodiment of the present invention；
Figure 10 is the structural representation of another base station provided in an embodiment of the present invention；
Figure 11 is the structural representation of another base station provided in an embodiment of the present invention；
Figure 12 is the structural representation of another base station provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of signal transmitting method, it is mainly used in the signal transmitting system as shown in figure la to Id, include the controller of the base station that macro base station is cell, the base station such as micro-base station or wireless aps of multiple cells, and cell within the system（Controller), wherein controller can manage the base station of multiple cells, and cluster cell, cluster one controller of small cell correspondence can be constituted by physically disposing the base station of nearer cell.The controller in systems be deployed with several types：
As schemed shown in la, the base station of cell is in new equipment on frequency F1, is increased in systems as controller with macro base station in system, and the base station of cluster cell is connected to macro base station by the controller；As schemed shown in lb, the base station of cell is in on frequency F1 with macro base station in system, with the base station of the small cell of cluster in system（Scheme the base station in the dotted line shown in lb）Between coordinated connecting line, can using the base station for the cell being directly connected to macro base station as the cluster cell controller；As schemed shown in lc, the base station of cell is in different frequent points with macro base station in system, respectively on F2 and F1, with the base station of the small cell of cluster in system（Scheme the base station in the dotted line shown in lb）Between coordinated connecting line, can using the base station for the cell being directly connected to macro base station as the cluster cell controller；As schemed shown in Id, the base station of cell is not directly connected to macro base station in system, and coordinated connecting line between the base station with cluster cell, can there will be the base station for some cell being connected in the base station of these cells with the base station of each other cell as the controller of the cluster cell, the base station of other small cells can be connected to macro base station by the controller.
Controller in the system can perform signal transmitting method as follows, flow chart as shown in Fig. 2, including：
Step 101, determine whether the first user equipment transmission signal causes to do to the communication of second user equipment Disturb, if interfered, perform step 102, if do not interfered, terminate flow.It is appreciated that, when the transmission power of a user equipment is excessive, the communication of adjacent area user equipment may be influenced whether, because controller can manage the base station of each cell, then controller knows that the information of the user equipment in each small cell coverage area includes transmission power.In the present embodiment, controller can specifically determine whether the transmission power of the first user equipment exceedes preset first threshold when performing this step, if it is, communication of the first user equipment transmission signal of explanation to second user equipment is interfered.
Step 102, the power adjustment step size of the first user equipment is adjusted, that is, reduces the power adjustment step size of the first user equipment so that granularity of first user equipment when adjusting transmission power reduces, so as to improve the Adjustment precision of transmission power.
Step 103, power adjustment step size after being adjusted in step 102 is sent to the first user equipment by the base station of cell belonging to the first user equipment, the power adjustment step size is used for the first user equipment and adjusts transmission power, the transmission power transmission signal after then the first user equipment can be adjusted according to the power adjustment step size after adjustment.Wherein, controller is when sending the power adjustment step size after adjustment to the first user equipment, need by the base station of cell where first user equipment, i.e. the power adjustment step size after adjustment is first sent to the base station of the first user equipment place cell by controller, and the power adjustment step size after adjustment then is sent into the first user equipment by the base station of cell where the first user equipment again；And first user equipment specifically can according to equation below calculate obtain transmission power：
^PUSCH (0 = min{PCMAX , 101og10 ( PUSCH (,')) + PO PUSCH ( j) + a(j) - PL + ΔΤΡ(0+f (i) }, wherein, PL is the first user equipment and serving BS（That is the base station of cell）Between descending path loss, " (be the exclusive parameter of cell,m^CH is the resource block number that the first user equipment is assigned to,
P.- PUSCH ') be the first user equipment serving cell the exclusive power parameter of cell, f (i) be transmit power control adjusting step, be subframe numbers, for control variable, be power adjusting factor,PCMAX is the maximum transmission power of the first user equipment.Wherein " (andP.- PUSCH W are referred to as the exclusive power contorl parameters of cell.
It can be seen that, in the signal transmitting method of the present embodiment, the controller of the base station for managing cell is disposed in systems, when communication of the controller in the first user equipment transmission signal to second user equipment is interfered, adjust the power adjustment step size of the first user equipment, and the power adjustment step size after adjustment is sent to the first user equipment by the base station of cell belonging to the first user equipment, the power adjustment step size after the adjustment is used for the first user equipment and adjusts transmission power according to the power adjustment step size after adjustment.As long as such user equipment The communication of other user equipmenies can be interfered during transmission signal, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system.
It should be noted that, it is pointed out that controller performs certain processing after being determined to each user equipment to the interference of other user equipmenies in above-mentioned steps 101 to 103, in a specific embodiment, controller can just carry out the determination of user equipment interference in the case where meeting certain condition, i.e. controller is before above-mentioned steps 101 are performed, also include step 104, flow chart as shown in figure 3, including：
Step 104, determine whether the power adjustment step size of the first user equipment exceedes preset Second Threshold, if it exceeds, illustrate that adjustment of first user equipment to transmission power may be excessive, then controller can further perform step 101 to 103, if not less than the adjustment of power adjustment step size will not be carried out, and the first user equipment is according to the transmission power transmission signal calculated originally.
It is appreciated that in the present embodiment, due to deploying controller in systems, then the information used when according to transmission power transmission signal of each user equipment in small cell coverage area can be obtained by the following two kinds mode：
(1) controller is by the exclusive power contorl parameters of the cell of the first user equipment serving cell, the i.e. exclusive power parameter of cellP。_PUSCH(and the exclusive parameter of cell " σ) it is sent to the base station of cell belonging to the first user equipment, the exclusive power contorl parameters of cell are sent to the first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to the first user equipment, the exclusive power contorl parameters of the cell are used for the first user equipment according to the exclusive power contorl parameters of the cell, and first cell belonging to user equipment the other information that sends of base station, that is power adjustment step size, scheduling resource block message and power adjusting factor, and the transmission power of the first user equipment is determined according to above-mentioned formula.Wherein the exclusive power contorl parameters of cell are a distinctive parameters of cell, and the power contorl parameters that the cell of each cell is exclusive can be different；And power adjusting factor, Power Control adjusting step and scheduling resource block message are that specific to user equipment, these parameters of each user equipment can be different.
In this case, because the base station that power adjustment step size is cell belonging to the first user equipment is determined, when then the base station of cell belonging to the first user equipment finds that power adjustment step size exceedes Second Threshold, the power adjustment step size of first user equipment will be sent to controller, it is desirable to which controller is necessarily handled.Then controller perform it is above-mentioned in step 104 when, when the power adjustment step size that the base station of cell belonging to controller receives the first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes Preset Second Threshold, then directly perform above-mentioned steps 101.
(2) controller is by the exclusive power contorl parameters of the cell of the first user equipment serving cell, the i.e. exclusive power parameter of cellP。_PUSCH) and the exclusive parameter of cell " (, and by power adjustment step size/, scheduling resource block message such as resource block number ^^ etc. and power adjusting factorΔτΡFirst user equipment is sent to by the base station of cell belonging to the first user equipment, the exclusive power contorl parameters of above-mentioned cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for the first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor, and determine transmission power according to above-mentioned formula.When the scheduling resource block message of one of user equipment can be distributed by the base station of the controller in system or cell, specifically need to consider the dispatching priority and current Slow deposit datas of the user equipment to distribute；And power adjusting factor and power adjustment step size can be according to the bLock error rates of user equipment（Block Error Ratio, BLER) obtain, such as, it is necessary to be the higher power adjusting factor of user equipment distribution and power adjustment step size when the BLER of user equipment is higher than certain threshold value.
It should be noted that above-mentioned preset first threshold and Second Threshold are not offered as ordinal relation, but in order to illustrate different threshold values.And first user equipment and second user equipment do not indicate that ordinal relation yet, but in order to illustrate different user equipmenies.The embodiment of the present invention also provides a kind of signal transmitting method, mainly can apply in the system as shown in figure la to figure Id, the method for the present embodiment is any user equipment in the system（Such as the first user equipment）Method performed by the base station of affiliated cell, flow chart as shown in figure 4, including：
Step 201, power adjustment step size after the adjustment for the controller transmission for receiving the base station of cell, power adjustment step size wherein after the adjustment is when controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of the first user equipment, specific method is shown in described in above-described embodiment, herein without repeating.
Step 202, power adjustment step size after being adjusted in step 201 is sent to the first user equipment, such first user equipment can adjust transmission power according to the power adjustment step size after adjustment, and use the transmission power transmission signal of adjustment, first user equipment can calculate transmission power according to above-mentioned formula using the power adjustment step size after adjustment.
It can be seen that, in the signal transmitting method of the present embodiment, the controller of the base station for managing cell is disposed in systems, and communication of the controller in the first user equipment transmission signal to second user equipment is interfered When, adjust the power adjustment step size of the first user equipment, and the power adjustment step size after adjustment is sent to the first user equipment by the base station of cell belonging to the first user equipment, the power adjustment step size after the adjustment is used for the first user equipment and adjusts transmission power according to the power adjustment step size after adjustment.As long as so user equipment transmission signal when the communication of other user equipmenies can be interfered, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system.
It should be noted that in the present embodiment, due to deploying controller in systems, then the information used when according to transmission power transmission signal of each user equipment in small cell coverage area can be obtained by the following two kinds mode：
(1) all information of calculating transmission power are all sent to the first user equipment by controller by the base station of cell belonging to the first user equipment, in this case：
The base station of cell belonging to first user equipment receives the exclusive power contorl parameters of cell for the first user equipment serving cell that controller is sent（That is the exclusive power parameter of cell and the exclusive parameter of cell）, obtain power adjustment step size, scheduling resource block message and power adjusting factor；And be that the exclusive power contorl parameters of cell, power adjustment step size, scheduling resource block message and power adjusting factor are all sent to the first user equipment by these information, wherein, the exclusive power contorl parameters of cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for the first user equipment according to the exclusive power contorl parameters of cell, power adjustment step size, scheduling resource block message and power adjusting factor, and determine according to above-mentioned formula the transmission power of the first user equipment.
(2) controller determines to calculate the partial information of transmission power, and the base station of cell belonging to the first user equipment determines to calculate another part information of transmission power, and is all sent to the first user equipment, in this case：
The power contorl parameters that the cell for the first user equipment serving cell that the base station reception controller of cell belonging to first user equipment is sent is exclusive are the exclusive power parameter of cell and the exclusive parameter of cell；And obtain power adjustment step size, scheduling resource block message and power adjusting factor；The exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are all finally sent to the first user equipment, wherein, the exclusive power contorl parameters of cell, power adjustment step size, scheduling resource block message and power adjusting factor are all sent to the first user equipment and determine first according to the exclusive power contorl parameters of these information i.e. cell, power adjustment step size, scheduling resource block message and power adjusting factor for the first user equipment The transmission power of user equipment.
In the present embodiment, it is the base station of the cell belonging to the first user equipment to obtain power adjustment step size, then can belonging to the first user equipment cell adjustment of the base station come trigger controller to power adjustment step size, the base station of cell also needs to perform step 203 and 204 before above-mentioned steps 201 are performed i.e. belonging to the first user equipment, flow chart as shown in figure 5, including：
Step 203, determine whether the power adjustment step size of the first user equipment exceedes preset Second Threshold, if it does, then performing step 204, i.e., the power adjustment step size of the first user equipment is sent to controller and be adjusted；If not less than the power adjustment step size of the first user equipment need not be adjusted, and terminate flow.The embodiment of the present invention a kind of controller, structural representation are also provided as shown in fig. 6, including：Determining unit 10 is disturbed, for determining that communication of the first user equipment transmission signal to second user equipment is interfered；The interference determining unit 10 is specifically for determining that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
Step-length adjustment unit 11, for when the interference determining unit 10 determines interference, adjusting the power adjustment step size of first user equipment.
Transmitting element 12, the power adjustment step size after for step-length adjustment unit 11 to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
It can be seen that, the controller of the base station for managing cell is disposed in systems, when the interference determining unit 10 of controller is when it is determined that communication of the first user equipment transmission signal to second user equipment is interfered, step-length adjustment unit 11 adjusts the power adjustment step size of the first user equipment, and as transmitting element 12 by the power adjustment step size after adjustment by the first user equipment belonging to the base station of cell be sent to the first user equipment, the power adjustment step size after the adjustment is used for the first user equipment and adjusts transmission power according to the power adjustment step size after adjustment.As long as so user equipment transmission signal when the communication of other user equipmenies can be interfered, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system. With reference to shown in Fig. 7, in a specific embodiment, controller can also include step size determination unit 13 in addition to it can include structure as shown in Figure 6, and first information transmitting element 14 and the/the second information transmitting unit 15 can also be included, wherein：
Step size determination unit 13, for determining that the power adjustment step size of first user equipment exceedes preset Second Threshold, and the determination for disturbing determining unit 10 to be disturbed is notified, the determination disturbed includes the interference determining unit 10 and determines that communication of the first user equipment transmission signal to second user equipment is interfered.
First information transmitting element 14, base station for the exclusive power contorl parameters of the cell of the first user equipment serving cell to be sent to cell belonging to first user equipment, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment；
Second information transmitting unit 15, for by the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
In the controller of the present embodiment, met when by the determination of step size determination unit 13 under certain condition, just it is notified that the determination that interference determining unit 10 is disturbed, and in the present embodiment, the full detail for calculating transmission power all can be sent to by the base station of cell belonging to user equipment by the first user equipment by the second information transmitting unit 15 and calculate transmission power.
The partial information for calculating transmission power by the base station of cell belonging to user equipment can also be sent to by the first user equipment by first information transmitting element 14, and another part information is the base station of cell as belonging to user equipment is sent to the first user equipment, so that the first user equipment calculates transmission power.In this case, power adjustment step size is the base station determination of cell belonging to the first user equipment, then, will be by the first user when the base station of cell belonging to the first user equipment finds that power adjustment step size exceedes Second Threshold The power adjustment step size of equipment is sent to controller, therefore when step size determination unit 13 determines the power adjustment step size that the base station for receiving cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.The embodiment of the present invention another controller, structural representation are also provided as shown in figure 8, including：Be connected respectively to processor 21 and emitter 24 in bus, can also include receiver 23, and can also including memory etc., wherein：
Receiver 23 and emitter 24 are the ports that controller communicates with miscellaneous equipment.
Processor 21, for determining that communication of the first user equipment transmission signal to second user equipment is interfered, and adjusts the power adjustment step size of first user equipment；Emitter 24, the power adjustment step size after for processor 21 to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.Wherein, processor 21 specifically can be by determining that the transmission power of first user equipment exceedes preset first threshold, to determine that communication of the first user equipment transmission signal to second user equipment is interfered.As long as so user equipment transmission signal when the communication of other user equipmenies can be interfered, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system.
In a specific embodiment, processor 21 when being additionally operable to determine the power adjustment step size of first user equipment more than preset Second Threshold, and determines that communication of the first user equipment transmission signal to second user equipment is interfered.And emitter 24, it is additionally operable to all be sent to the first user equipment to calculate transmit power by the full detail for calculating transmission power, specifically emitter 24 is by the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
In another specific embodiment, emitter 24 is additionally operable to that the partial information of transmission power will be calculated and is sent to the first user equipment by the base station of cell belonging to user equipment, and another part information be by The base station of cell belonging to user equipment is sent to the first user equipment, so that first user equipment calculates transmission power.Specifically, the exclusive power contorl parameters of the cell of the first user equipment serving cell are sent to the base station of cell belonging to first user equipment by emitter 24, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment.In this case, power adjustment step size is that the base station of cell belonging to the first user equipment is determined, when then the base station of cell belonging to the first user equipment finds that power adjustment step size exceedes Second Threshold, the power adjustment step size of first user equipment will be sent to controller, therefore when in the present embodiment, receiver 23, for receiving the power adjustment step size that the base station of cell belonging to first user equipment is sent；And processor 21 determines that receiver 23 receives the power adjustment step size that the base station of cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.The embodiment of the present invention also provides a kind of base station, i.e., the base station of cell, structural representation belonging to above-mentioned user equipment as shown in figure 9, including：
Step-length receiving unit 30, for receiving the power adjustment step size after the adjustment that the controller of base station of cell is sent；Power adjustment step size after the adjustment is, when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to be obtained after being adjusted to the power adjustment step size of first user equipment；
Adjusting step transmitting element 31, first user equipment is sent to for the power adjustment step size after the adjustment that receives the step-length receiving unit 30, the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
It can be seen that, in the present embodiment, the controller of the base station for managing cell is disposed in systems, when communication of the controller in the first user equipment transmission signal to second user equipment is interfered, adjust the power adjustment step size of the first user equipment, and the power adjustment step size after adjustment is sent to the step-length receiving unit 30 of the base station of cell belonging to the first user equipment, and the power adjustment step size after adjustment is sent to the first user equipment by adjusting step transmitting element 21, the power adjustment step size after the adjustment is used for the first user equipment root Transmission power is adjusted according to the power adjustment step size after adjustment.As long as so user equipment transmission signal when the communication of other user equipmenies can be interfered, controller can just reduce the adjustment granularity of transmit power by adjusting power adjustment step size, so that adjustment amplitude reduction of the user equipment to transmission power, the interference between user equipment is avoided as far as possible, so as to significantly reduce the handling capacity of system.
With reference to shown in Figure 10, in a specific embodiment, base station can also include first information receiving unit 32, information acquisition unit 33, first information retransmission unit 34 and step-length transmitting element 35 in addition to it can include structure as shown in Figure 9, wherein：
First information receiving unit 32, the exclusive power parameter of cell and the exclusive parameter of cell for receiving the first user equipment serving cell that the controller is sent；
Information acquisition unit 33, for obtaining power adjustment step size, scheduling resource block message and power adjusting factor；
First information retransmission unit 34, the power contorl parameters exclusive for the cell for receiving the first information receiving unit 32, and the power adjustment step size that described information acquiring unit 33 is obtained, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, and power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
Step-length transmitting element 35, if the power adjustment step size for first user equipment exceedes preset Second Threshold, is sent to the controller by the power adjustment step size of first user equipment and is adjusted.
In the present embodiment, the partial information for calculating transmit power is received by first information receiving unit 32, another part information is got by information acquisition unit 33, and then this two parts information is all sent to the first user equipment by first information retransmission unit 34 again.In this case, because power adjustment step size is got by information acquisition unit 33, then when step-length transmitting element 35 finds that the power adjustment step size that information acquisition unit 33 is obtained exceedes preset Second Threshold, then send the power adjustment step size got and be adjusted to controller.
With reference to shown in Figure 11, in a specific embodiment, base station can also include the second information receiving unit 36 and the second information retransmission unit 37 in addition to it can include structure as shown in Figure 9, wherein：Second information receiving unit 36, services small for receiving the first user equipment that the controller is sent The exclusive power contorl parameters of the cell in area, obtain power adjustment step size, scheduling resource block message and power adjusting factor；
Second information retransmission unit 37, power contorl parameters, power adjustment step size, scheduling resource block message and the power adjusting factor exclusive for the cell for receiving second information receiving unit 36 is sent to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor.
In the present embodiment, the full detail for calculating transmit power is received by the second information receiving unit 36, and is transmitted to the first user equipment by the second information retransmission unit 37 and is determined transmission power.The embodiment of the present invention also provides a kind of base station, i.e., the base station of cell belonging to above-mentioned user equipment, and structural representation is as shown in figure 12, including：Processor 41, receiver 43 and emitter 44 in bus are connected respectively to, and memory can also be included, wherein：
Receiver 43 and emitter 44 are the ports that controller communicates with miscellaneous equipment.
The receiver 43, for receiving the power adjustment step size after the adjustment that the controller of base station of cell is sent；The then processor 41, for receiving power adjustment step size after adjustment that the controller of base station of cell sends when receiver 43；Notify the emitter 44 that the power adjustment step size after the adjustment is sent into first user equipment, the power adjustment step size is when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of first user equipment；The emitter 44 is used to the power adjustment step size after the adjustment being sent to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
In a specific embodiment, receiver 43 is additionally operable to receive the partial information for calculating transmit power, i.e., the exclusive power parameter of cell and the exclusive parameter of cell of the first user equipment serving cell that described controller is sent；And processor 41 is additionally operable to obtain another part information for calculating transmit power, i.e. power adjustment step size, scheduling resource block message and power adjusting factor；Then emitter 44 is additionally operable to the exclusive power contorl parameters of the cell that receives the receiver 43, and power adjustment step size, scheduling resource block message and the power adjusting factor that the processor 41 is obtained are sent to first user equipment, the exclusive power contorl parameters of the cell, and power adjustment step size, scheduling resource block message and the power adjusting factor of the acquisition are used for First user equipment determines transmission power according to the exclusive power contorl parameters of the cell, and power adjustment step size, scheduling resource block message and the power adjusting factor of the acquisition.In this case, because power adjustment step size is got by processor 41, then processor 41 determines that the power adjustment step size of the first user equipment obtained exceedes preset Second Threshold, then notifies the emitter 44 to send the power adjustment step size got and be adjusted to controller；Then the emitter 44, which is additionally operable to the power adjustment step size of first user equipment being sent to the controller, is adjusted.
In another specific embodiment, calculating the full detail of transmit power can be received by the base station of the present embodiment, i.e., receiver 43 is additionally operable to receive the exclusive power contorl parameters of cell for the first user equipment serving cell that the controller is sent, obtains power adjustment step size, scheduling resource block message and power adjusting factor；Emitter 44 is additionally operable to the cell that receives the receiver 43 exclusive power contorl parameters, power adjustment step size, scheduling resource block message and power adjusting factor and is sent to first user equipment, and the exclusive power contorl parameters of Suo Hu cells, power adjustment step size, scheduling resource block message and power adjusting factor are used for the transmission power that first user equipment is determined according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
The embodiment of the present invention also provides a kind of signal transmitting system, including the base station of cell and controller belonging to the first user equipment, wherein, the structure of the base station of cell belonging to first user equipment can as described in above-mentioned Figure 12 base station structure, and the structure of controller can be as described in above-mentioned Fig. 8 controller structure, herein without repeating.And first cell belonging to user equipment base station and controller and macro base station between deployment relation can be as shown in figure la to lc.
The embodiment of the present invention also provides a kind of signal transmitting system, including the base station of cell and controller belonging to the first user equipment, wherein, the structure of the base station of cell belonging to first user equipment can be such as the structure of base station as described in above-mentioned Fig. 9 to 11 any one figure, and the structure of controller can be as described in above-mentioned Fig. 6 or Fig. 7 controller structure, herein without repeating.And first cell belonging to user equipment base station and controller and macro base station between deployment relation can be as shown in figure la to lc.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer-readable recording medium, and storage medium can include：ROM, RAM, disk or CD etc..
The signal transmitting method, system and the controller that are there is provided above the embodiment of the present invention and base station, are carried out The explanation of above example is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, it will change in specific embodiments and applications, in summary, this specification content should not be construed as limiting the invention.

Claims (26)

  1. Claim
    1st, a kind of signal transmitting method, it is characterised in that including：
    Controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, and adjusts the power adjustment step size of first user equipment；
    The power adjustment step size after adjustment is sent to first user equipment by the controller by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
    2nd, the method as described in claim 1, it is characterised in that communication of determination the first user equipment transmission signal to second user equipment is interfered, and is specifically included：
    Determine that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
    3rd, method as claimed in claim 1 or 2, it is characterised in that before communication of the first user equipment transmission signal of the determination to second user equipment is interfered, in addition to：
    The controller determines that the power adjustment step size of first user equipment exceedes preset Second Threshold.4th, method as claimed in claim 3, it is characterised in that the power adjustment step size of determination first user equipment exceedes preset Second Threshold, specifically includes：
    It is determined that the power adjustment step size that the base station for receiving cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
    5th, the method as described in any one of Claims 1-4, it is characterised in that methods described also includes：The exclusive power contorl parameters of the cell of the first user equipment serving cell are sent to the base station of cell belonging to first user equipment by the controller, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment；Or,
    The exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, power adjustment by the controller by the base station of cell belonging to first user equipment Step-length, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
    6th, a kind of signal transmitting method, it is characterised in that including：
    Power adjustment step size after the adjustment that the controller that the base station of cell belonging to first user equipment receives the base station of cell is sent；Power adjustment step size after the adjustment is when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of first user equipment；
    The power adjustment step size after the adjustment is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
    7th, method as claimed in claim 6, it is characterised in that methods described also includes：
    The base station of cell belonging to first user equipment receives the exclusive power parameter of cell and the exclusive parameter of cell for the first user equipment serving cell that the controller is sent；
    The base station of cell belonging to first user equipment obtains power adjustment step size, scheduling resource block message and power adjusting factor；
    The exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
    8th, method as claimed in claim 7, it is characterised in that before the power adjustment step size after the adjustment that the controller of the base station of the reception cell is sent, in addition to：
    If the power adjustment step size of first user equipment exceedes preset Second Threshold, the power adjustment step size of first user equipment is sent to the controller and is adjusted by the base station of cell belonging to first user equipment.
    9th, method as claimed in claim 6, it is characterised in that methods described also includes：
    The base station of cell belonging to first user equipment receives the exclusive power contorl parameters of cell for the first user equipment serving cell that the controller is sent, obtains power adjustment step size, scheduling resource block message And power adjusting factor；
    The exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
    10th, a kind of controller, it is characterised in that including：
    Determining unit is disturbed, for determining that communication of the first user equipment transmission signal to second user equipment is interfered；
    Step-length adjustment unit, for when the interference determining unit determines interference, adjusting the power adjustment step size of first user equipment；
    Transmitting element, the power adjustment step size after for step-length adjustment unit to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for the first user equipment ^ ^ and adjusts transmission power according to the power adjustment step size after the adjustment.
    11st, controller as claimed in claim 10, it is characterised in that
    The interference determining unit, specifically for determining that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
    12nd, the controller as described in claim 10 or 11, it is characterised in that also include：Step size determination unit, for determining that the power adjustment step size of first user equipment exceedes preset Second Threshold, and the determination for disturbing determining unit to be disturbed is notified, the determination disturbed includes the interference determining unit and determines that communication of the first user equipment transmission signal to second user equipment is interfered.
    13rd, controller as claimed in claim 12, it is characterized in that, the step size determination unit, specifically for determining the power adjustment step size that the base station for receiving cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
    14th, the controller as described in any one of claim 10 to 13, it is characterised in that also include：First information transmitting element and/or the second information transmitting unit, wherein：
    The first information transmitting element, the base station for the exclusive power contorl parameters of the cell of the first user equipment serving cell to be sent to cell belonging to first user equipment, the exclusive work(of the cell The exclusive power contorl parameters of the cell are sent to first user equipment by the base station that rate control parameter is used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the base station power adjustment step size, scheduling resource block message and the power adjusting factor that send of cell belonging to first user equipment determine the transmission power of first user equipment；
    Second information transmitting unit, for by the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
    15th, a kind of base station, it is characterised in that including：
    Step-length receiving unit, power adjustment step size after the adjustment that the controller of base station for receiving cell is sent, power adjustment step size after the adjustment is, when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to be obtained after being adjusted to the power adjustment step size of first user equipment；
    Adjusting step transmitting element, first user equipment is sent to for the power adjustment step size after the adjustment that receives the step-length receiving unit, the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
    16th, base station as claimed in claim 15, it is characterised in that also include：
    First information receiving unit, the exclusive power parameter of cell and the exclusive parameter of cell for receiving the first user equipment serving cell that the controller is sent；
    Information acquisition unit, for obtaining power adjustment step size, scheduling resource block message and power adjusting factor；First information retransmission unit, the power contorl parameters exclusive for the cell for receiving the first information receiving unit, and the power adjustment step size that described information acquiring unit is obtained, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power. 17th, base station as claimed in claim 16, it is characterised in that also include：
    Step-length transmitting element, if the power adjustment step size for first user equipment exceedes preset Second Threshold, is sent to the controller by the power adjustment step size of first user equipment and is adjusted.
    18th, base station as claimed in claim 15, it is characterised in that also include：
    Second information receiving unit, for receiving the exclusive power contorl parameters of the cell of the first user equipment serving cell of the controller transmission, obtaining power adjustment step size, scheduling resource block message and power adjusting factor；
    Second information retransmission unit, power contorl parameters, power adjustment step size, scheduling resource block message and the power adjusting factor exclusive for the cell for receiving second information receiving unit is sent to first user equipment, and the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power for the first user equipment ^^ according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
    19th, a kind of signal transmitting system, it is characterised in that including：The base station of cell and controller belonging to first user equipment,
    The controller is the controller as described in the above-mentioned any one of right 10 to 14；
    The base station of cell belonging to first user equipment is the base station as described in above-mentioned any one of claim 15 to 18.
    20th, a kind of controller, it is characterised in that including：Processor and emitter, wherein：The processor, for determining that communication of the first user equipment transmission signal to second user equipment is interfered, and adjusts the power adjustment step size of first user equipment；
    The emitter, the power adjustment step size after for the processor to be adjusted is sent to first user equipment by the base station of cell belonging to first user equipment, and the power adjustment step size after the adjustment is used for the first user equipment ^ ^ and adjusts transmission power according to the power adjustment step size after the adjustment.
    21st, controller as claimed in claim 20, it is characterised in that
    The processor, specifically for determining that the transmission power of first user equipment exceedes preset first threshold, it is determined that communication of the first user equipment transmission signal to second user equipment is interfered.
    22nd, the controller as described in claim 20 or 21, it is characterised in that
    The processor, when being additionally operable to determine the power adjustment step size of first user equipment more than preset Second Threshold, and determines that communication of the first user equipment transmission signal to second user equipment is interfered. 23rd, controller as claimed in claim 22, it is characterised in that also including receiver；The receiver, for receiving the power adjustment step size that the base station of cell belonging to first user equipment is sent；
    The processor, specifically for determining that the receiver receives the power adjustment step size that the base station of cell belonging to first user equipment is sent, it is determined that the power adjustment step size of first user equipment exceedes preset Second Threshold.
    24th, the controller as described in any one of claim 20 to 23, it is characterised in that
    The emitter, it is additionally operable to the exclusive power contorl parameters of the cell of the first user equipment serving cell being sent to the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell are sent to first user equipment by the base station that the exclusive power contorl parameters of the cell are used for cell belonging to first user equipment, the exclusive power contorl parameters of the cell are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size that the base station of cell belonging to first user equipment is sent, scheduling resource block message and power adjusting factor determine the transmission power of first user equipment；Or,
    The emitter, it is additionally operable to the exclusive power contorl parameters of the cell of the first user equipment serving cell, power adjustment step size, scheduling resource block message and power adjusting factor are sent to first user equipment by the base station of cell belonging to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor belong to special power contorl parameters for first user equipment according to the cell, power adjustment step size, scheduling resource block message and power adjusting factor determine transmission power.
    25th, a kind of base station, it is characterised in that including：Processor, Receiver And Transmitter, wherein：The receiver, for receiving the power adjustment step size after the adjustment that the controller of base station of cell is sent；
    The processor, the power adjustment step size after adjustment that the controller of base station for receiving cell when receiver is sent, notify the emitter that the power adjustment step size after the adjustment is sent into first user equipment, power adjustment step size after the adjustment is when the controller determines that communication of the first user equipment transmission signal to second user equipment is interfered, to what is obtained after the power adjustment step size adjustment of first user equipment；
    The emitter, sets for the power adjustment step size after the adjustment to be sent into first user Standby, the power adjustment step size after the adjustment is used for first user equipment and adjusts transmission power according to the power adjustment step size after the adjustment.
    26th, base station as claimed in claim 25, it is characterised in that
    The receiver, is additionally operable to receive the exclusive power parameter of cell and the exclusive parameter of cell for the first user equipment serving cell that the controller is sent；
    The processor, is additionally operable to obtain power adjustment step size, scheduling resource block message and power adjusting factor；The emitter, it is additionally operable to the exclusive power contorl parameters of the cell that receives the receiver, and the power adjustment step size that the processor is obtained, scheduling resource block message and power adjusting factor are sent to first user equipment, the exclusive power contorl parameters of the cell, and the power adjustment step size of the acquisition, scheduling resource block message and power adjusting factor are used for first user equipment according to the exclusive power contorl parameters of the cell, and the power adjustment step size of the acquisition, scheduling resource block message and power adjusting factor determine transmission power.
    27th, base station as claimed in claim 26, it is characterised in that
    The processor, is additionally operable to determine that the power adjustment step size of first user equipment exceedes preset Second Threshold, notifies the emitter that the power adjustment step size of first user equipment is sent into the controller and is adjusted；
    The emitter, is additionally operable to the power adjustment step size of first user equipment being sent to the controller and is adjusted.
    28th, base station as claimed in claim 25, it is characterised in that
    The receiver, is additionally operable to receive the exclusive power contorl parameters of the cell for the first user equipment serving cell that the controller is sent, obtains power adjustment step size, scheduling resource block message and power adjusting factor；The emitter, it is additionally operable to the cell that receives the receiver exclusive power contorl parameters, power adjustment step size, scheduling resource block message and power adjusting factor and is sent to first user equipment, the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor determines transmission power for first user equipment according to the exclusive power contorl parameters of the cell, power adjustment step size, scheduling resource block message and power adjusting factor.
    29th, a kind of signal transmitting system, it is characterised in that including：The base station of cell and controller belonging to first user equipment,
    The controller is the controller as described in the above-mentioned any one of right 20 to 24； The base station of cell belonging to first user equipment is the base station as described in above-mentioned any one of claim 25 to 28.
CN201380003770.5A 2013-12-27 2013-12-27 A kind of signal transmitting method, system and controller and base station Active CN105164936B (en)

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