CN104770023A - Signal transmission method, device and system - Google Patents
Signal transmission method, device and system Download PDFInfo
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- CN104770023A CN104770023A CN201380000926.4A CN201380000926A CN104770023A CN 104770023 A CN104770023 A CN 104770023A CN 201380000926 A CN201380000926 A CN 201380000926A CN 104770023 A CN104770023 A CN 104770023A
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- base station
- load
- special subframe
- saver mode
- energy saver
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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
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A signal transmission method, comprising: monitoring a base station load; if it is monitored that the base station load is less than a preset first load threshold value, reducing the number of downlink preamble time slots of a special subframe according to the base station load, so as to enter an energy-saving mode of the special subframe; and carrying out signal transmission by using the adjusted special subframe in the energy-saving mode of the special subframe. In addition, further provided are a corresponding device and system.
Description
A kind of method for transmitting signals, device and system
Technical field
The present invention relates to communication technical field, and in particular to a kind of method for transmitting signals, device and system.
Background technology
With the development of science and technology, the theory of energy-conservation also becomes more and more popular, in the communications field also in this way.Base station, is an infrastructure device in network service, reduces base station energy consumption, advantageously reduces the energy expenditure of whole network, therefore, how to realize base station energy-saving, be increasingly becoming the problem of operator is of interest.
In the prior art, mainly the energy-conservation of base station is realized in terms of signal transmission, for example, multicast/multicast single-frequency network network (MBSFN can typically be used, Multicast Broadcast Single Frequency Network) subframe shut-off scheme realizes the energy-conservation of base station, i.e. in business idle period, it is MBSFN sub-frame by generic downlink sub-frame configuration, thus reference signal only can be sent in symbol #0 (Symbol #0), and other do not have the Symbol of business power amplifier then to close, so as to the power of consumption required for reducing descending Symbol, and then the overall energy consumption in base station is reduced.
The energy-saving scheme of current MBSFN sub-frame shut-off is primarily directed to FDD Long Term Evolution（LTE FDD, Long Term Evolution Frequency Division Duplexing) system, therefore only consider common descending sub frame, and due to time division duplex Long Term Evolution（TDD LTE, Time Division Duplexing Long Term Evolution) special subframe is there are in system, the special subframe is different from the common subframe in LTE FDD standards, therefore, and currently existing scheme is not particularly suited for TDD LTE systems.
The content of the invention
The embodiment of the present invention provides a kind of method for transmitting signals, it is possible to achieve base station energy-saving.
In a first aspect, the embodiment of the present invention provides a kind of method for transmitting signals, including：
Load of base station is monitored；
If monitoring, load of base station is less than the first preset load threshold, and the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode；
Under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.
In the first possible embodiment, with reference in a first aspect, it is described according to load of base station lower special subframe descending leading time slot number, including：
The descending leading time slot of special subframe is lowered according to load of base station（DwPTS, Downlink Pilot Time Slot) number so that the number of the descending leading time slot be more than or equal to 1 be less than or equal to 10.
In second of possible embodiment, with reference in a first aspect, it is described load of base station is monitored before, in addition to：
When meeting the condition of common subframe energy saver mode, into common subframe energy saver mode；
It is then described that load of base station is monitored specially：Under common subframe energy saver mode, load of base station is monitored.
In the third possible embodiment, with reference to first aspect, the first of first aspect or second of possible embodiment, the special subframe using after adjustment is carried out after signal transmission, in addition to：If monitoring, load of base station is more than the second preset load threshold, exits special subframe energy saver mode.In the third possible embodiment, with reference to the first possible embodiment of first aspect or first aspect,
It is described load of base station is monitored including：Within the energy-conservation period, load of base station is monitored；The special subframe using after adjustment is carried out after signal transmission, in addition to：When determining that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited.
Second aspect, the embodiment of the present invention provides a kind of signal transmitting apparatus, including monitoring unit, adjustment unit and transmission unit；
Monitoring unit, for being monitored to load of base station；
Adjustment unit, for when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe to be lowered according to load of base station, to enter special subframe energy saver mode；
Transmission unit, under special subframe energy saver mode, signal transmission to be carried out using the special subframe after adjustment.
In the first possible embodiment, with reference to second aspect, the adjustment unit, the number of the descending leading time slot specifically for lowering special subframe according to load of base station so that the number of the descending leading time slot is more than or equal to 1 and is less than or equal to 10.
In second of possible embodiment, with reference to second aspect, the signal transmitting apparatus also includes processing unit；
The processing unit, for when meeting the condition of common subframe energy saver mode, into common subframe energy saver mode；
The monitoring unit, specifically under common subframe energy saver mode, is monitored to load of base station.In the third possible embodiment, with reference to second aspect, the first of second aspect or second can
The embodiment of energy, the adjustment unit is additionally operable to, when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode.
The adjustment unit, is additionally operable to, when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode.
In the 4th kind of possible embodiment, with reference to the first possible embodiment of second aspect or second aspect, wherein：
The monitoring unit, specifically within the energy-conservation period, being monitored to load of base station；
The adjustment unit, when being additionally operable to determine that current time was not belonging in the preset energy-conservation period, exits special subframe energy saver mode.
The third aspect, the embodiment of the present invention also provides a kind of communication system, including the present invention implements any signal transmitting apparatus of offer.
Fourth aspect, the embodiment of the present invention also provides a kind of base station, including the memory for data storage, the transceiver for transceiving data and processor, wherein：
Processor, for being monitored to load of base station, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.
In the first possible embodiment, with reference to fourth aspect, the processor is additionally operable to, when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode.
In the first possible embodiment, with reference to fourth aspect, the processor is additionally operable within the energy-conservation period, load of base station is monitored, and when it is determined that current time was not belonging in the preset energy-conservation period, exit special subframe energy saver mode.
The embodiment of the present invention uses and load of base station is monitored, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.
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 skilled in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method for transmitting signals in TDD LTE systems provided in an embodiment of the present invention；Fig. 2 a are another flow charts of the method for transmitting signals in TDD LTE systems provided in an embodiment of the present invention；
Fig. 2 b are the structural representations of special subframe in the embodiment of the present invention；
Fig. 3 is the another flow chart of the method for transmitting signals in TDD LTE systems provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the signal transmitting apparatus in TDD LTE systems provided in an embodiment of the present invention；
Fig. 5 is the structural representation of base station provided in an embodiment of the present invention.
Embodiment
Below in conjunction with 9644 figures 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 skilled 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 method for transmitting signals, device and system.It is described in detail individually below.Embodiment one,
The present embodiment will be described from the angle of the signal transmitting apparatus in TDD LTE systems, and the signal transmitting apparatus in the TDD LTE systems can be specifically integrated in the equipment such as base station.
A kind of method for transmitting signals in TDD LTE systems, including：Load of base station is monitored；If monitoring, load of base station is less than the first preset load threshold, and the descending leading time slot of special subframe is lowered according to load of base station（DwPTS, Downlink Pilot Time Slot) number, with enter special subframe energy saver mode；Under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.
As shown in figure 1, idiographic flow can be as follows：
101st, load of base station is monitored.
Wherein, the mode of monitoring can have a variety of, such as, can specifically measure the bearing power during operation of base station, or, portfolio of calculation base station, etc. will not be repeated here.Wherein, the load of base station includes but is not limited to Physical Resource Block（PRB, Physical Resource Blocks) utilization rate and/or base station user number etc..
Optionally, before being monitored to load of base station, if base station meets the condition of common subframe energy saver mode, it then can also pass into common subframe energy saver mode, such as, it is MBSFN sub-frame by generic downlink sub-frame configuration so that the generic downlink subframe only sends reference signal in Symbol #0, and other do not have the Symbol of business power amplifier then to close, etc..
Then now, step " is monitored to load of base station（That is step 101) " it is specifically as follows：Under common subframe energy saver mode, load of base station is monitored.
Further, it is also possible to set an energy-conservation period, when entering the energy-conservation period, then load of base station is monitored, to determine the need for entering special subframe energy saver mode（That is step 103), i.e. step " is monitored to load of base station（That is step 101) " it is specifically as follows：When entering the energy-conservation period, load of base station is monitored.
102nd, determine whether load of base station is less than preset load threshold, for convenience, referred to as the first load threshold in embodiments of the present invention, if less than first load threshold, performing step 103, no shellfish ' J, if being not less than（It is more than or equal to）First load threshold is crossed, then returns and performs step 101, that is, continue to be monitored load of base station.
Wherein, the value of the first load threshold can be configured according to the demand of practical application.
If the 103, load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and step 105 is performed.
Wherein, special subframe energy saver mode, refer to that the pattern of the number of the descending leading time slot of special subframe can be lowered according to load of base station, it is different from common subframe energy saver mode, in common subframe energy saver mode, only generic downlink subframe is handled, it is MBSFN sub-frame such as by generic downlink sub-frame configuration, etc., and under special subframe energy saver mode, special subframe in descending sub frame can be handled, such as number of descending leading time slot of special subframe, etc. is lowered according to load of base station.
Wherein, typically can be when will be descending leading when adjusting the number of descending leading time slot of special subframe
The number of gap is controlled within the scope of 1 to 10（Preferably 3 to 10）, i.e. step " number that the descending leading time slot of special subframe is lowered according to load of base station " can include：
The number of the descending leading time slot of special subframe is lowered according to load of base station so that the number of the descending leading time slot is more than or equal to 1 and is less than or equal to 10.
104th, under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.For example, if in step 103, the number of descending leading time slot is adjusted to 5 under 10, then under the special subframe energy saver mode, signal transmission can be carried out with the state of 5 descending leading time slots, until exiting this special subframe energy saver mode；And if follow-up entrance special subframe energy saver mode, and the number of descending leading time slot is adjusted to 3, then base station can carry out signal transmission with the state of 3 descending leading time slots again, until exiting special subframe energy saver mode, by that analogy, no longer enumerate herein.
Wherein, the method that special subframe energy saver mode is exited in base station can have a variety of, such as, one load threshold can be set, for convenience, it is referred to as the second load threshold in embodiments of the present invention, load of base station is more than second load threshold if monitoring, exits the special subframe energy saver mode；Or, an energy-conservation period can also be set, when entering the energy-conservation period, load of base station is monitored（Perform step 101), if subsequently entering special subframe energy saver mode, when beyond the energy-conservation period, the special subframe energy saver mode, etc. is exited, i.e., in step " carrying out signal transmission using the special subframe after adjustment " afterwards, this method can also include：
If monitoring, load of base station is more than the second preset load threshold, exits special subframe energy saver mode, now, base station can return to pattern or common subframe energy saver mode of normal work etc.；Or,
When determining that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited, now, base station can return to pattern or common subframe energy saver mode of normal work etc.；Or,
Can also be when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode, otherwise, if being not greater than the second preset load threshold, then when it is determined that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited, now, base station can return to pattern or common subframe energy saver mode of normal work etc..
Wherein, the value of the second load threshold can be configured according to the demand of practical application, and saving the period can also be configured according to the demand of practical application.
From the foregoing, it will be observed that the present embodiment, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station using being monitored to load of base station, with
Into special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.Method according to described by embodiment one, will be described in further detail in embodiment two and three kind below.Embodiment two,
In the present embodiment, by with the signal transmitting apparatus in the TDD LTE systems it is specific it is integrated in a base station, and when monitoring that load of base station is more than the second preset load threshold, exit exemplified by special subframe energy saver mode and illustrate.
As shown in Figure 2 a, the method for transmitting signals in a kind of TDD LTE systems, idiographic flow can be as follows：
201st, base station is in normal mode of operation, and when it is determined that meeting the condition of common subframe energy saver mode, into common subframe energy saver mode, such as, can be MBSFN sub-frame by generic downlink sub-frame configuration, so that generic downlink subframe only sends reference signal in Symbol #0, and other do not have the Symbol of business power amplifier then to close, etc..
202nd, base station is monitored to load of base station；
Wherein, the mode of monitoring can have a variety of, such as, can specifically measure the bearing power during operation of base station, or, the portfolio of calculation base station, portfolio is more（I.e. business is hurried）When load of base station it is big, conversely, portfolio is few（That is business idle）When load of base station it is just small, etc., will not be repeated here.
203rd, base station determines whether load of base station is less than the first load threshold d, then execution step 204, no shellfish ' J, if being not less than（It is more than or equal to）First load threshold d is crossed, then returns and performs step 202, that is, continue to be monitored load of base station.
Wherein, (^ can be configured first load threshold according to the demand of practical application.
If the 204, load of base station is less than the first preset load threshold d, base station lowers the number of the descending leading time slot of special subframe according to load of base station, to enter special subframe energy saver mode, and performs step 206.
Wherein, when adjusting the number of descending leading time slot of special subframe, the number of descending leading time slot can be typically controlled within the scope of 1 to 10.In addition, the value of the first load threshold can root
It is configured according to the demand of practical application.
For example, referring to Fig. 2 b, the figure is the structural representation of special subframe, wherein, general 2 ~ 11 time slot can be as descending leading time slot, and in embodiments of the present invention, the number of time slot of the part can be adjusted according to load of base station such as portfolio, the descending leading time slot of greater number is distributed in business busy, such as specifically may refer to the bold box part of left figure in Fig. 2 b（That is 2 ~ 8 time slots）, and can then distribute the descending leading time slot of greater number in business idle, such as it specifically may refer to the bold box part of right figure in Fig. 2 b（That is 2 time slots）, etc..
205th, under special subframe energy saver mode, base station carries out signal transmission using the special subframe after adjustment.For example, if in step 204, the number of descending leading time slot is adjusted to 5 under 10, then under the special subframe energy saver mode, signal transmission can be carried out with the state of 5 descending leading time slots, until exiting this special subframe energy saver mode；And if follow-up entrance special subframe energy saver mode, and the number of descending leading time slot is adjusted to 3, then base station can carry out signal transmission with the state of 3 descending leading time slots again, until exiting special subframe energy saver mode, by that analogy, no longer enumerate herein.
206th, determine whether load of base station is more than the second preset load threshold C2, if so, then exiting special subframe energy saver mode, base station enters common subframe energy saver mode, otherwise, then remains in special subframe energy saver mode.
Wherein, the second load threshold C2Value can be configured according to the demand of practical application.
As from the foregoing, the present embodiment uses and load of base station is monitored, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, then under the special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment, and be more than the second preset load threshold C in load of base station2When, exit special subframe energy saver mode；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.Embodiment three,
Be with the identical of embodiment two, in the present embodiment, equally by the signal transmitting apparatus in the TDD LTE systems it is specific it is integrated in a base station exemplified by illustrate, and unlike embodiment two, in the present embodiment,
One energy-conservation period can also be set, and when beyond the energy-conservation period, exit the special subframe energy saver mode, will be described in more detail below.
As shown in figure 3, the method for transmitting signals in a kind of TDD LTE systems, idiographic flow can be as follows：
301st, base station is in normal mode of operation, and when entering the energy-conservation period, load of base station is monitored.
Wherein, the mode of monitoring can have a variety of, such as, can specifically measure the bearing power during operation of base station, or, portfolio of calculation base station, etc. will not be repeated here.
302nd, base station determines whether (^ then performs step 304, otherwise, if being not less than to load of base station less than the first preset load threshold（It is more than or equal to）First load threshold d is crossed, then returns and performs step 302, that is, continue to be monitored load of base station.
Wherein, (^ can be configured first load threshold according to the demand of practical application.
If the 303, load of base station is less than the first preset load threshold d, base station lowers the number of the descending leading time slot of special subframe according to load of base station, to enter special subframe energy saver mode, and performs step 305.
Wherein, when adjusting the number of descending leading time slot of special subframe, the number of descending leading time slot can be typically controlled within the scope of 1 to 10.In addition, the value of the first load threshold can be configured according to the demand of practical application.
For example, referring to Fig. 2 b, the figure is the structural representation of special subframe, wherein, general 2 ~ 11 time slot can be as descending leading time slot, and in embodiments of the present invention, the number of time slot of the part can be adjusted according to load of base station such as portfolio, the descending leading time slot of greater number is distributed in business busy, such as specifically may refer to the bold box part of left figure in Fig. 2 b（That is 2 ~ 8 time slots）, and can then distribute the descending leading time slot of greater number in business idle, such as it specifically may refer to the bold box part of right figure in Fig. 2 b（That is 2 time slots）, etc..
304th, under special subframe energy saver mode, base station carries out signal transmission using the special subframe after adjustment.For example, if in step 303, the number of descending leading time slot is adjusted to 5 under 10, then under the special subframe energy saver mode, signal transmission can be carried out with the state of 5 descending leading time slots, until exiting this special subframe energy saver mode；And if follow-up entrance special subframe energy saver mode, and the number of descending leading time slot is adjusted to 3, then base station can carry out signal transmission with the state of 3 descending leading time slots again, until exiting special subframe energy saver mode, by that analogy, no longer enumerate herein.
305th, determine whether load of base station is more than the second preset load threshold C2, if so, then exiting special subframe energy saver mode, base station enters normal mode of operation, otherwise, then performs step 306.
306th, base station determines whether current time belonged in the preset energy-conservation period, if so, resting in special subframe energy saver mode, if it is not, then exiting special subframe energy saver mode, returns to base station normal mode of operation.
Wherein, the value of the second load threshold can be configured according to the demand of practical application, and saving the period can also be configured according to the demand of practical application.
As from the foregoing, the present embodiment uses and load of base station is monitored, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, then under the special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment, and load of base station be more than preset the second load threshold (2Or when within the preset energy-conservation period, exit special subframe energy saver mode；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.Example IV,
In order to which the above method is better achieved, the embodiment of the present invention also provides a kind of signal transmitting apparatus, can be used in TDD LTE systems, as shown in figure 4, the signal transmitting apparatus includes monitoring unit 401, adjustment unit 402 and transmission unit 403;
Monitoring unit 401, for being monitored to load of base station；
Wherein, the mode of monitoring can have a variety of, such as, can specifically measure the bearing power during operation of base station, or, portfolio of calculation base station, etc. will not be repeated here.
Wherein, the load of base station includes but is not limited to Physical Resource Block（PRB, Physical Resource Blocks) utilization rate and/or base station user number etc..
Adjustment unit 402, for when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe to be lowered according to load of base station, to enter special subframe energy saver mode.
Wherein, the value of the first load threshold can be configured according to the demand of practical application.
Wherein, special subframe energy saver mode, refers to that the pattern of the number of the descending leading time slot of special subframe can be lowered according to load of base station, is different from common subframe energy saver mode, in common subframe energy saver mode,
Only generic downlink subframe is handled, it is MBSFN sub-frame such as by generic downlink sub-frame configuration, etc., and under special subframe energy saver mode, special subframe in descending sub frame can be handled, number of descending leading time slot of special subframe, etc. is such as lowered according to load of base station.
Transmission unit 403, under special subframe energy saver mode, signal transmission to be carried out using the special subframe after adjustment.
Wherein, when adjusting the number of descending leading time slot of special subframe, the number of descending leading time slot can be typically controlled within the scope of 1 to 10（Preferably 3 to 10）, i.e.,：
Adjustment unit 402, specifically can be used for the number that the descending leading time slot of special subframe is lowered according to load of base station so that the number of the descending leading time slot is more than or equal to 1 and is less than or equal to 10.
Optionally, before being monitored to load of base station, if base station meets the condition of common subframe energy saver mode, common subframe energy saver mode is can also pass into, such as, is by generic downlink sub-frame configuration
MBSFN sub-frame so that generic downlink subframe only sends reference signal in Symbol #0, and other do not have the Symbol of business power amplifier then to close, etc..That is, the signal transmitting apparatus in the TDD LTE systems can also include processing unit；
Processing unit, for when meeting the condition of common subframe energy saver mode, into common subframe energy saver mode；
Then now, monitoring unit 401, specifically can be used under common subframe energy saver mode, load of base station are monitored.
Wherein, the method for special subframe energy saver mode is exited in base station can a variety of, such as, can set the second load threshold, if monitoring, load of base station is more than second load threshold, exits the special subframe energy saver mode, i.e.,：
Adjustment unit 402, can be also used for, when monitoring that load of base station is more than the second preset load threshold, exiting special subframe energy saver mode.
Wherein, the value of the second load threshold can be configured according to the demand of practical application.
Or, an energy-conservation period can also be set, when entering the energy-conservation period, load of base station is monitored, if subsequently entering special subframe energy saver mode, when beyond the energy-conservation period, the special subframe energy saver mode is exited, i.e.,：
Monitoring unit 401, specifically can be used within the energy-conservation period, load of base station is monitored；Adjustment unit 402, when can be also used for determining that current time was not belonging in the preset energy-conservation period, is moved back
Go out special subframe energy saver mode.
Wherein, the energy-conservation period can be configured according to the demand of practical application.
The signal transmitting apparatus can be specifically integrated in the equipment such as base station.
When implementing, above unit can be realized as independent entity, can also be combined, and be realized as same or several entities, and the specific implementation of above unit can be found in embodiment of the method above, will not be repeated here.
As from the foregoing, the monitoring unit 401 of the signal transmitting apparatus of the present embodiment can be monitored to load of base station, and when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station by adjustment unit 402, to enter special subframe energy saver mode, and by transmission unit 403 under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.Embodiment five,
Accordingly, the embodiment of the present invention also provides a kind of communication system, the any signal transmitting apparatus for implementing to provide including the present invention, the signal transmitting apparatus can be used in TDD LTE systems, wherein, the signal transmitting apparatus specifically may refer to example IV, for example,, specifically can be as follows so that the signal transmitting apparatus is used in TDD LTE systems as an example：
Signal transmitting apparatus in TDD LTE systems, for being monitored to load of base station；If monitoring, load of base station is less than the first preset load threshold, and the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode；Under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.
Wherein, the first load threshold can be configured with ^^ according to the demand of practical application.
Wherein, when adjusting the number of descending leading time slot of special subframe, the number of descending leading time slot can be typically controlled within the scope of 1 to 10, preferably 3 to 10.
If for example, the number of descending leading time slot is adjusted to 5 under 10, under the special subframe energy saver mode, signal transmission can be carried out with the state of 5 descending leading time slots, until exiting this spy
Different subframe energy saver mode；And if follow-up entrance special subframe energy saver mode, and the number of descending leading time slot is adjusted to 3, then base station can carry out signal transmission with the state of 3 descending leading time slots again, until exiting special subframe energy saver mode, by that analogy, no longer enumerate herein.
Optionally, before being monitored to load of base station, if base station meets the condition of common subframe energy saver mode, it then can also pass into common subframe energy saver mode, such as, it is MBSFN sub-frame by generic downlink sub-frame configuration so that the generic downlink subframe only sends reference signal in Symbol #0, and other do not have the Symbol of business power amplifier then to close, etc..I.e.：
Signal transmitting apparatus in TDD LTE systems, can be also used for, when meeting the condition of common subframe energy saver mode, into common subframe energy saver mode, and under common subframe energy saver mode, being monitored load of base station.
Optionally, the method that special subframe energy saver mode is exited in base station can have a variety of, such as, one load threshold can be set, for convenience, it is referred to as the second load threshold in embodiments of the present invention, load of base station is more than second load threshold if monitoring, exits the special subframe energy saver mode；Or, an energy-conservation period can also be set, when entering the energy-conservation period, load of base station is monitored, if subsequently entering special subframe energy saver mode, when beyond the energy-conservation period, the special subframe energy saver mode, etc. is exited, i.e.,：
Signal transmitting apparatus in DD LTE systems, if can be also used for monitoring that load of base station is more than the second preset load threshold, exits special subframe energy saver mode, now, base station can return to pattern or common subframe energy saver mode of normal work etc.；Or,
Signal transmitting apparatus in DD LTE systems, when can be also used for determining that current time was not belonging in the preset energy-conservation period, exits special subframe energy saver mode, now, base station can return to pattern or common subframe energy saver mode of normal work etc.；Or,
Signal transmitting apparatus in DD LTE systems, it can be also used for when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode, otherwise, if being not greater than the second preset load threshold, when it is determined that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited, now, base station can return to pattern or common subframe energy saver mode of normal work etc..
Wherein, the value of the second load threshold can be configured according to the demand of practical application, and saving the period can also be configured according to the demand of practical application.
Optionally, the communication system can also include other equipment, such as can also include user terminal,
For receiving the signal transmitting apparatus in the TDD LTE systems（Such as base station）Transmitted signal.And/or, the equipment such as gateway, server can also be included.
The specific implementation of each equipment can be found in embodiment above above, will not be repeated here.
As from the foregoing, the communication system of the present embodiment uses and load of base station is monitored, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.Embodiment six,
Accordingly, the embodiment of the present invention also provides a kind of base station, as shown in figure 5, the base station can include memory 501, the transceiver 502 and processor 503 for transceiving data for data storage, wherein：Processor 503, for being monitored to load of base station, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.
Wherein, the first load threshold can be configured with ^^ according to the demand of practical application.
Wherein, when adjusting the number of descending leading time slot of special subframe, the number of descending leading time slot can be typically controlled within the scope of 1 to 10, preferably 3 to 10.
If for example, the number of descending leading time slot is adjusted to 5 under 10, under the special subframe energy saver mode, signal transmission can be carried out with the state of 5 descending leading time slots, until exiting this special subframe energy saver mode；And if follow-up entrance special subframe energy saver mode, and the number of descending leading time slot is adjusted to 3, then base station can carry out signal transmission with the state of 3 descending leading time slots again, until exiting special subframe energy saver mode, by that analogy, no longer enumerate herein.
Optionally, before being monitored to load of base station, if base station meets the condition of common subframe energy saver mode, it then can also pass into common subframe energy saver mode, such as, it is MBSFN sub-frame by generic downlink sub-frame configuration so that the generic downlink subframe only sends reference signal in Symbol #0, and other do not have the Symbol of business power amplifier then to close, etc..I.e.：
Processor 503, can be also used for, when meeting the condition of common subframe energy saver mode, into common subframe energy saver mode, and under common subframe energy saver mode, being monitored load of base station.
Optionally, the method that special subframe energy saver mode is exited in base station can have a variety of, such as, one load threshold can be set, for convenience, it is referred to as the second load threshold in embodiments of the present invention, load of base station is more than second load threshold if monitoring, exits the special subframe energy saver mode；Or, an energy-conservation period can also be set, when entering the energy-conservation period, load of base station is monitored, if subsequently entering special subframe energy saver mode, when beyond the energy-conservation period, the special subframe energy saver mode, etc. is exited, i.e.,：
Processor 503, can be also used for, when monitoring that load of base station is more than the second preset load threshold, exiting special subframe energy saver mode.Or,
Processor 503, can be also used within the energy-conservation period, load of base station is monitored, and when it is determined that current time was not belonging in the preset energy-conservation period, exit special subframe energy saver mode.Or, processor 503, it can be also used for when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode, otherwise, if being not greater than the second preset load threshold, when it is determined that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited.
Wherein, the value of the second load threshold can be configured according to the demand of practical application, and saving the period can also be configured according to the demand of practical application.
The specific implementation of each equipment can be found in embodiment above above, will not be repeated here.
As from the foregoing, processor 503 can be monitored to load of base station in the base station of the present embodiment, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment；Because the program is when load of base station is less, the number of the descending leading time slot of special subframe can be reduced, therefore, the power of consumption required for special subframe can be reduced, and then the overall energy consumption in base station is reduced, the program goes for the special subframe in TDD LTE systems, it is possible to achieve the base station energy-saving in TDD LTE systems.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：Read-only storage（ROM, Read Only Memory ),
Random access memory（RAM, Random Access Memory), disk or CD etc..Method for transmitting signals, dress in a kind of TDD LTE systems provided above the embodiment of the present invention are set forth, and 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 skilled 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 (14)
- Claim1st, a kind of method for transmitting signals, it is characterised in that including：Load of base station is monitored；If monitoring, load of base station is less than the first preset load threshold, and the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode；Under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.2nd, according to the method described in claim 1, it is characterised in that it is described according to load of base station lower special subframe descending leading time slot number, including：The number of the descending leading time slot of special subframe is lowered according to load of base station so that the number of the descending leading time slot is more than or equal to 1 and is less than or equal to 10.3rd, according to the method described in claim 1, it is characterised in that it is described load of base station is monitored before, in addition to：When meeting the condition of common subframe energy saver mode, into common subframe energy saver mode；It is then described that load of base station is monitored specially：Under common subframe energy saver mode, load of base station is monitored.4th, the method according to any one of claims 1 to 3, it is characterised in that the special subframe using after adjustment is carried out after signal transmission, in addition to：If monitoring, load of base station is more than the second preset load threshold, exits special subframe energy saver mode.5th, method according to claim 1 or 2, it is characterised in thatIt is described load of base station is monitored including：Within the energy-conservation period, load of base station is monitored；Then after the special subframe progress signal transmission using after adjustment, in addition to：When determining that current time was not belonging in the preset energy-conservation period, special subframe energy saver mode is exited.6th, a kind of signal transmitting apparatus, it is characterised in that including：Monitoring unit, for being monitored to load of base station；Adjustment unit, for when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe to be lowered according to load of base station, to enter special subframe energy saver mode；Transmission unit, under special subframe energy saver mode, signal transmission to be carried out using the special subframe after adjustment.7th, signal transmitting apparatus according to claim 6, it is characterised in that The adjustment unit, the number of the descending leading time slot specifically for lowering special subframe according to load of base station so that the number of the descending leading time slot is more than or equal to 1 and is less than or equal to 10.8th, signal transmitting apparatus according to claim 6, it is characterised in that also including processing unit；The processing unit, for when meeting the condition of common subframe energy saver mode, into common subframe energy saver mode；The monitoring unit, specifically under common subframe energy saver mode, being monitored to load of base station.9th, the signal transmitting apparatus according to any one of claim 6 to 8, it is characterised in that the adjustment unit, is additionally operable to, when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode.10th, the signal transmitting apparatus according to claim 6 or 7, it is characterised in thatThe monitoring unit, specifically within the energy-conservation period, being monitored to load of base station；The adjustment unit, when being additionally operable to determine that current time was not belonging in the preset energy-conservation period, exits special subframe energy saver mode.11st, a kind of communication system, it is characterised in that including the signal transmitting apparatus described in any one of claim 6 to 10.12nd, a kind of base station, it is characterised in that transceiver and processor including the memory for data storage, for transceiving data, wherein：Processor, for being monitored to load of base station, when monitoring that load of base station is less than the first preset load threshold, the number of the descending leading time slot of special subframe is lowered according to load of base station, to enter special subframe energy saver mode, and under special subframe energy saver mode, signal transmission is carried out using the special subframe after adjustment.13rd, base station according to claim 12, it is characterised in thatThe processor, is additionally operable to, when monitoring that load of base station is more than the second preset load threshold, exit special subframe energy saver mode.14th, base station according to claim 12, it is characterised in thatThe processor, is additionally operable within the energy-conservation period, load of base station is monitored, and when it is determined that current time was not belonging in the preset energy-conservation period, exit special subframe energy saver mode.
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| PCT/CN2013/081846 WO2015024183A1 (en) | 2013-08-20 | 2013-08-20 | Signal transmission method, device and system |
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| WO2013014169A1 (en) * | 2011-07-26 | 2013-01-31 | Nec Europe Ltd. | Method for resource management in a cellular communication network and resource management system |
| CN102440034A (en) * | 2011-10-31 | 2012-05-02 | 华为技术有限公司 | Base station energy saving processing method and base station |
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| CN110062450B (en) * | 2019-06-05 | 2022-02-15 | 中国联合网络通信集团有限公司 | Method, device and equipment for saving energy consumption of 5G base station and readable storage medium |
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