CN103188780A

CN103188780A - Base station and method for executing energy saving in wireless communication system

Info

Publication number: CN103188780A
Application number: CN2012100747970A
Authority: CN
Inventors: 汤斌淞; 邓天乐; 孙彦赞; 罗海燕
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-12-28
Filing date: 2012-03-20
Publication date: 2013-07-03
Also published as: WO2013097699A1

Abstract

The invention provides a base station and a method for executing energy saving in a wireless communication system. The wireless communication system comprises a first base station and a second base station, wherein the first base station comprises a first cell, and the second base station comprises a second cell. The method comprises the following steps that the first base station transmits a first message to the second base station so as to notify the first cell to be in an energy-saving mode; the first base station transmits a second message to the second base station, the second message comprises information of a first ABS (Almost Blank Subframe) configured by the first base station, and the information of the first ABS is used for the UE (User Equipment) of the second cell to be scheduled to the subframe corresponding to the first ABS to perform communication; and when the first base station confirms that the UE of the first cell is absorbed in the second cell, the first base station sets the first cell to be in the energy-saving mode. The base station and the method provided by the invention can guarantee the continuity of the system service when the energy-saving cell is shut off, and can further improve the interference reduction effect of the eICIC (Enhanced Inter Cell Interference Coordination).

Description

In wireless communication system, carry out energy-conservation base station and method

Technical field

The embodiment of the invention relates to wireless communication field, and more specifically, relates to realization method for saving energy and system in cordless communication network.

Background technology

Wireless communication system generally provides wireless traffics such as speech, data.Common wireless communication system is such as frequency division multiple access (Frequency-Division Multiple Access, FDMA), time division multiple access (Time Division Multiple Address, TDMA), code division multiple access (Code Division Multiple Access, CDMA), OFDM (Orthogonal Frequency Division Multiplexing, OFDM), OFDM inserts (Orthogonal Frequency Division Multi Access, OFDMA), single-carrier frequency division multiple access (Signal-Carrier Frequency Division Multiple Access, SC-FDMA) and so on multiple access system.In wireless communication system, (Base Station, BS) (User Equipment UE) sends data and/or control information, and receives data and/or the control information of subscriber equipment in up link to subscriber equipment on down link in the base station.Similarly, UE sends data and/or control information to BS on up link, and receives data and/or the control information that BS sends at down link.

At present, developed Long Term Evolution (Long Term Evolution, LTE) and/or advanced Long Term Evolution (Advanced Long Term Evolution, LTE-A) wireless communication system.In order to satisfy or promote the performance requirement of LTE-A, in homogeneous network, dispose the base station of dissimilar or standard, for example, low transmitting power base station (Lower Power Node, LPN) or sending/receiving node, grand BS (Micro BS), little BS (Pico BS), the BS of family (Home BS), millimicro BS (Femto BS), relaying BS (Relay BS), far end radio frequency head (Remote radio head, RRH) etc., to strengthen covering and the performance of network, such network configuration is called as heterogeneous network.And, can in heterogeneous network, dispose big transmitting power base station (as macro base station, grand enode b (MeNB)) simultaneously and still adopt dissimilar LPN with the MeNB employing with a kind of standard.

In order to improve the spectrum utilization efficiency of system, can make the configurable up and/or down frequency spectrum resources of the configurable up and/or down frequency spectrum resources of LPN and MeNB carry out wholly or in part spectrum reuse.At this moment, because LPN has disposed frequency spectrum resource identical with MeNB or that part is identical, therefore, can produce cochannel (or with frequently) between descending (or up) channel transmission of LPN (or UE of LPN service) and MeNB (or UE of MeNB service) and disturb.Disturbing to influence the reliability that LPN and the transmission of MeNB down channel and up channel detect.

At present, (Time Division Multiplexing, TDM) (Inter Cell Interference Coordination, eICIC) method is handled the presence of intercell interference under the heterogeneous network situation to Inter-Cell Interference Coordination to adopt time division multiplexing in the LTE-A standard.Some subframe of interference base station is set to low transmission power or does not carry out professional transmission (namely Ye Wu through-put power is zero), above-mentioned subframe be called as almost the gap frame (Almost Blank Subframe, ABS).Interfered base station the enterprising industry of subframe that the strongly disturbing UE in base station is dispatched to the ABS subframe correspondence of this interference base station configuration transmission of being engaged in that will be interfered, thus the transmission performance of the UE of interfered base station influence guaranteed.

If the through-put power on the ABS subframe is not coordinated between interference base station and the interfered base station, then when interference base station arranges the through-put power on the ABS subframe very low, may almost not have UE to be engaged in transmitting in the enterprising industry of ABS subframe by the interference base station scheduling, thereby reduced available transmission resources.On the other hand, if interference base station uses to increase transfer resource for own UE the ABS subframe scheduling, then may since the through-put power setting on the ABS subframe improper still can cause the UE of interfered base station is caused strong jamming.

In addition, (3rd Generation Partnership Project 3GPP) has proposed the power-saving technology of turn-offing based on the residential quarter to third generation partner program.Be characterized in by closing the low traffic residential quarter in off-peak period, the UE of low traffic residential quarter is dredged other abutting subdistrict, realize that thus former residential quarter turn-offs purpose of energy saving.

The use of the eICIC of prior art is confined to heterogeneous network, and can not carry out interference coordination to homogeneous network.And in above-mentioned power-saving technology of turn-offing based on the residential quarter, when dredging adjacent cell when the residential quarter shutoff and with the UE in this residential quarter, can't guarantee the continuity of UE business, and, turn-off the residential quarter also may cause the covering leak, though can cover to expand the coverage area by adjusting the adjacent area, thereby the covering leak that causes is turn-offed in the compensation residential quarter, but still there is following problem: if non-energy-conservation residential quarter covers expansion and the shutoff of energy-conservation residential quarter is carried out simultaneously, then will cause call drop, thereby influence the business continuance of excited users; If non-energy-conservation residential quarter covers expansion and asynchronous carrying out closed in energy-conservation residential quarter, then certainly will increase the co-channel interference between the adjacent area.

Summary of the invention

The embodiment of the invention provides a kind of execution in wireless communication system energy-conservation base station and method, can guarantee the continuity of business when turn-off energy-conservation residential quarter, and further improves eICIC and reduce effects of jamming.

One aspect of the present invention provides a kind of execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that described method comprises: described first base station sends first message will enter energy saver mode to described second base station to notify described first residential quarter; Described first base station receives first response message for described first message from described second base station; When all user equipment (UE)s of determining described first residential quarter were received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode; Wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, and wherein, the UE that the information of a described ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

The present invention provides a kind of execution in wireless communication system energy-conservation base station on the other hand, described wireless communication system also comprises second base station, described base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described base station comprises: transmitting element is used for sending first message to described second base station under the control of control unit and will enters energy saver mode to notify described first residential quarter; Receiving element is used under the control of control unit from first response message of described second base station reception for described first message; Described control unit, be used for when all user equipment (UE)s of determining described first residential quarter are received described second residential quarter, described first residential quarter is set to energy saver mode, wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

Further aspect of the present invention provides a kind of execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described method comprises: described second base station receives first message from described first base station, and described first message is used for notifying described first residential quarter will enter energy saver mode; The power parameter of described second residential quarter is regulated in described second base station, so that all user equipment (UE)s of described first residential quarter are received by described second residential quarter; Described second base station sends first response message for described first message to described first base station, wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

Still one side of the present invention provides a kind of execution in wireless communication system energy-conservation base station, described wireless communication system also comprises first base station, described first base station comprises first residential quarter, described base station equipment comprises second residential quarter, it is characterized in that, described base station comprises: receiving element, be used under the control of control unit, receiving first message from described first base station, and described first message is used for notifying described first residential quarter will enter energy saver mode; Described control unit is for the power parameter of regulating described second residential quarter, so that all user equipment (UE)s of described first residential quarter are received by described second residential quarter; Transmitting element, be used under the control of described control unit to first response message of described first base station transmission for described first message, wherein, described first response message comprises first information of gap frame ABS almost of described base station configuration, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

Still one side of the present invention provides a kind of method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described method comprises: described first base station sends first message to described second base station, and described first residential quarter of described first message informing will enter energy saver mode and specify described second residential quarter is the residential quarter of receiving the UE of described first residential quarter; Described first base station sends second message to described second base station, described second message comprises first information of gap frame ABS almost, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; When all user equipment (UE)s of determining described first residential quarter were received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode.

Still one side of the present invention provides a kind of method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described method comprises: described second base station receives first message from described first base station, and it is the residential quarter of receiving the UE of described first residential quarter that described first message is used for notifying described first residential quarter will enter energy saver mode and specifying described second residential quarter; Described second base station receives second message from described first base station, described second message comprises first information of gap frame ABS almost, and the UE that the information of a wherein said ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; The power parameter of described second residential quarter is regulated in described second base station, so that all user equipment (UE)s of described first residential quarter are received described second residential quarter.

Still one side of the present invention provides a kind of execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that described method comprises: described first base station sends first message will enter energy saver mode to described second base station to notify described first residential quarter; Described first base station sends second message to described second base station, described second message comprises first information of gap frame ABS almost of described first base station configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; When the user equipment (UE) of determining described first residential quarter was received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode.

Still one side of the present invention provides a kind of execution in wireless communication system energy-conservation base station, described wireless communication system also comprises second base station, described base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described base station comprises: transmitting element, be used under the control of control unit, sending first message and second message to described second base station, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described control unit configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; With described control unit, be used for configuration ABS information, and when the user equipment (UE) of determining described first residential quarter was received described second residential quarter, described first residential quarter was set to energy saver mode.

Still one side of the present invention provides a kind of execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, it is characterized in that, described method comprises: described second base station receives first message from described first base station, and described first message is used for notifying described first residential quarter will enter energy saver mode; Described second base station receives second message from described first base station, described second message comprises first information of gap frame ABS almost of described first base station configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; Described second base station makes the user equipment (UE) of described first residential quarter be received by described second residential quarter.

Still one side of the present invention provides a kind of execution in wireless communication system energy-conservation base station, described wireless communication system also comprises first base station, described first base station comprises first residential quarter, described base station comprises second residential quarter, it is characterized in that, described base station comprises: receiving element, be used under the control of control unit, receiving first message and second message from described first base station, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described first base station configuration, and the UE that the information of a described ABS is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; Described control unit is used for all user equipment (UE)s of described first residential quarter are received by described second residential quarter.

Technique scheme staggers between the residential quarter and uses the ABS subframe, and therefore, the present invention has reduced co-channel interference, and has guaranteed the business continuance of energy-conservation residential quarter, has realized the residential quarter purpose of energy saving simultaneously.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 to 3 is the general process that enforcement ABS subframe staggers in wireless communication system that illustrate according to the embodiment of the invention;

Fig. 4 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to first embodiment of the invention;

Fig. 5 is the schematic diagram of carrying out energy-conservation operation order journey in wireless communication system according to second embodiment of the invention;

Fig. 6 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to third embodiment of the invention;

Fig. 7 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to fourth embodiment of the invention;

Fig. 8 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to fifth embodiment of the invention;

Fig. 9 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to sixth embodiment of the invention;

Figure 10 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to seventh embodiment of the invention;

Figure 11 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to eighth embodiment of the invention;

Figure 12 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to ninth embodiment of the invention;

Figure 13 is the block diagram according to the energy-conservation base station of the execution in wireless communication system of the embodiment of the invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.

Fig. 1 to 3 shows the general process that enforcement ABS subframe staggers in wireless communication system 200 according to the embodiment of the invention.Referring to Fig. 1, wireless communication system 200 comprises seven base station A～F.Yet, it will be appreciated by those skilled in the art that to the invention is not restricted to this that namely wireless communication system 200 can comprise more or less base station.In Fig. 1, suppose that the residential quarter that base station B～G covers is the designated zone (being called energy-conservation residential quarter hereinafter) that enters energy saver mode of low load, and the business in the residential quarter that base station B～G covers is received in the residential quarter (being called non-energy-conservation residential quarter hereinafter) that base station A covers.Hereinafter, for convenience of explanation, will not distinguish base station and residential quarter.

Referring to Fig. 2, in wireless communication system 200, between the residential quarter is to A and B, A and C, A and D, A and E, A and F and A and G, implement the ABS subframe respectively and stagger, that is to say, between two residential quarters of a residential quarter centering, will stagger and use the ABS subframe.In addition, also can the residential quarter between implement frequency band on the frequency domain (Radio Band RB) stagger.In the following description, only staggering with the ABS subframe is that example illustrates the embodiment of the invention.Fig. 3 is illustrated in the schematic diagram of implementing the result after ABS staggers.

And, can before staggering, enforcement ABS subframe adjust the area coverage of non-energy-conservation residential quarter (the residential quarter A among Fig. 1), this can realize by transmitted power and the inclination angle of adjusting base station A, and (Cell Individual Offset, CIO) parameter realizes cell individual offsets amount that also can be by adjusting base station A.Yet, it should be noted that: for the embodiment of the invention, the covering of adjusting non-energy-conservation residential quarter before enforcement ABS staggers is not essential, for example, according to the network planning, if between residential quarter E, D, C, B and G, do not cover leak, then also can not adjust the area coverage of residential quarter A, namely needn't adjust transmitted power, inclination angle or the CIO parameter of base station A.

The UE that orders about in the energy-conservation residential quarter is received in the non-energy-conservation residential quarter after the ABS subframe staggers implementing, particularly, make the UE of the activation in the described energy-conservation residential quarter switch in the non-energy-conservation residential quarter to guarantee professional continuity.In addition, can also comprise that the idle UE selection/reselection that makes in the described energy-conservation residential quarter selects described non-energy-conservation residential quarter.

In the example shown in Fig. 1 to Fig. 2, after enforcement execution ABS staggers between the residential quarter is to A and B, A and C, A and D, A and E, A and F and A and G, system drives the activation among energy-conservation residential quarter B, C, D, E, F and the G under underload, light situation about disturbing UE switches among the non-energy-conservation residential quarter A, and this can realize by the CIO parameter of change base station A.According to one embodiment of present invention, OAM (Operation, Administration and Maintenance, Operations, Administration and Maintenance) equipment (not shown) indication base station A change CIO parameter.According to another embodiment of the present invention, base station A can own initiatively change the CIO parameter.In the example shown in Fig. 1, the UE of the activation among energy-conservation residential quarter B, C, D, E, F and the G switches among the non-energy-conservation residential quarter A, thereby realizes the business unloading to energy-conservation residential quarter B, C, D, E, F and G.

In addition, can also be by the difference Q between the received signal quality between energy-conservation residential quarter B, C, D, E, F and G and the non-energy-conservation residential quarter A be set _OffsetMake the idle UE residential quarter selection/reselection among energy-conservation residential quarter B, C, D, E, F and the G select non-energy-conservation residential quarter A.

After all UE in the energy-conservation residential quarter are received in the non-energy-conservation residential quarter, energy-conservation residential quarter B, C, D, E, F and G are set to enter energy saver mode, for example, can realize by turn-offing base station B, C, D, E, F and G.Yet, the invention is not restricted to this, can make by other means that also energy-conservation residential quarter enters energy saver mode.

Below the execution in wireless communication system according to the embodiment of the invention is realized that energy-conservation process is described in detail.

Fig. 4 is the schematic diagram of carrying out the sequence of operation of energy-conservation process 400 in wireless communication system according to first embodiment of the invention.In the following description, Mi represents macro base station or macrocell, and Pi represents little base station or Microcell, and wherein i is natural number, at this, for convenience of description, does not distinguish base station and residential quarter.In addition, suppose that Microcell P1 is covered by macrocell M2.Those skilled in the art are to be understood that: for the convenience that illustrates, little base station P1 in the residential quarter of macro base station M1～M3 and M2 has been shown among Fig. 4-8 below, but the invention is not restricted to this, for example, wireless communication system can comprise more or less macro base station, and can comprise little base station in the residential quarter of M1 and M3, perhaps the residential quarter of M1 to M3 does not comprise little base station yet.

Referring to Fig. 4, send ES_Start message at 410, OAM equipment to macro base station M2 and will enter energy saver mode with indicating cell M2, wherein said ES_Start message specifies M2 as energy-conservation residential quarter.In addition, also can determine whether its residential quarter will enter energy saver mode by macro base station M2, for example, when thereby M2 judges that traffic carrying capacity in its residential quarter is less and can enter energy saver mode, it is energy-conservation residential quarter that M2 specifies the residential quarter of oneself, at this moment, macro base station M2 notifies its residential quarter will enter energy saver mode to OAM equipment.

At 420-1,420-2,420-3, M2 sends ES_Start_To_Neigh message to its adjacent base station (for example macro base station M3, little base station P1) will enter energy saver mode with notifying cell M2, namely notify its adjacent macrocell to begin to receive UE among the macrocell M2.

At 430-1, when M1 receives ES_Start_To_Neigh message, M1 sends first response message to M2, and sending second response message at 430-2 to M2 through after the scheduled time, wherein, described first response message comprises that the ABS that distributed by M1 (for example, the 1st, 3,5 subframes) information, the UE that the information of a described ABS is used for Microcell P1 is scheduled on the subframe corresponding with a described ABS and communicates, described second response message comprises that the 2nd ABS that distributed by M1 (for example, the 6th, 7 subframes) UE that information, the information of described the 2nd ABS are used for macrocell M2 is scheduled on the subframe corresponding with described the 2nd ABS and communicates.At this, the embodiment of the invention is described as and sends earlier first response message (response message that namely comprises the ABS information that the UE by Microcell that M1 distributes uses), then behind delay scheduled time, send second response message (response message that namely comprises the ABS information that the UE by macrocell M2 that M1 distributes uses), yet, the embodiment of the invention is not limited thereto, for example, M1 also can send second response message (response message that namely comprises the ABS information that the UE by macrocell M2 that M1 distributes uses) earlier, sends first response message (response message that namely comprises the ABS information that the UE by Microcell that M1 distributes uses) after postponing predetermined the time.

At 440-1,440-2, when receiving first response message, the information of the ABS that the UE by Microcell P1 that the M1 that M2 comprises in first response message to the adjacent base station forwarding distributes uses.

Send CIO_Change_For_HO message with indication macro base station M1 change CIO parameter at 450, OAM equipment to M1, thereby the coverage that logically enlarges M1 switches to macrocell M1 to drive the UE that activates among the energy-conservation residential quarter M2.Yet the embodiment of the invention is not limited thereto, for example, also can directly change the CIO parameter by M1 and do not need the indication of OAM equipment, in addition, with reference to as described in Fig. 1-3, OAM equipment can also indicate M2 that difference Q between the received signal quality between M1 and the M2 is set as top _OffsetMake the idle UE residential quarter selection/reselection among the M2 select non-energy-conservation residential quarter A.

460, when all UE among the M2 are received macrocell M1, M2 has been received macrocell M1 and can have been entered energy saver mode (not shown in Fig. 4) to all UE among the OAM equipment notice M2, OAM equipment receives this notice back and is set to energy saver mode to M2 transmission Switch_Off message with its residential quarter of indication M2, M2 its residential quarter in every way is set to energy saver mode, for example, can turn-off base station M2.In addition, M2 also can directly arrange energy saver mode under the situation of the notice that does not have OAM equipment.

Fig. 5 is the schematic diagram of carrying out the sequence of operation of energy-conservation process 500 in wireless communication system according to second embodiment of the invention.Among Fig. 5 510,520-1～520-3,550 with 560 respectively with Fig. 4 in 410,420-1～420-3,450 and 460 identical, therefore do not repeat them here.

Referring to Fig. 5,530, when base station M1 receives ES_Start_To_Neigh message, M1 sends first response message to M2, wherein, described first response message comprises that the ABS that distributed by M1 (for example, 1st, information 3,5 subframes) and the 2nd ABS that distributed by M1 are (for example, 6th, information 7 subframes), the UE that the information of a described ABS is used for Microcell P1 is scheduled on the subframe corresponding with a described ABS and communicates, and the UE that the information of described the 2nd ABS is used for macrocell M2 is scheduled on the subframe corresponding with described the 2nd ABS and communicates.The information of the information of a described ABS and described the 2nd ABS is the indication information of bitmap form.For example, the indication information of described bitmap form can be following form: for example [P, P, P, M, M] [1,3,5,6,7], wherein, ' P ' in the last bracket is illustrated in the subframe of the frame number indication on the relevant position in one bracket of back for the UE of Microcell, and ' M ' in the last bracket is illustrated in the UE that the subframe of the frame number indication on the relevant position in one bracket of back is used for macrocell.In addition, the indication information of described bitmap form can be following string, [11100] [1010111000] for example, wherein, in the last bracket ' 1 ' is illustrated in the UE that the subframe of being represented by the relevant position in one bracket of back is used for Microcell, in the last bracket ' 0 ' is illustrated in the UE that the subframe of being represented by the relevant position in one bracket of back is used for macrocell, the subframe that ' 1 ' expression in one bracket of back is represented by its position can be used as the ABS subframe, in this example, the ABS subframe is the 1st, 3,5,6 and 7 subframes, the and the 1st, 3,5 subframes are used for Microcell, and the 6th and 7 subframes are used for macrocell.

540, when receiving first response message, the information of the ABS that the UE by Microcell P1 that the M1 that M2 comprises in first response message to little base station P1 forwarding distributes uses.

Fig. 6 is the schematic diagram of carrying out the sequence of operation of energy-conservation process 600 in wireless communication system according to third embodiment of the invention.Among Fig. 6 610,650 with 660 respectively with Fig. 4 in 410,450 and 460 identical, therefore do not repeat them here.

Referring to Fig. 6, at 620-1,620-2, M2 sends ES_Start_To_Neigh message to its adjacent base station (for example, M1 and M3) will enter energy saver mode with notice M2, wherein, and the residential quarter that described ES_Start_To_Neigh message indication does not have to specify the UE that receives M2.

630, when receiving this ES_Start_To_Neigh message, M1 sends first response message to M2, and described first response message comprises the information of the ABS that energy-conservation designator and M1 distribute, and wherein, described energy-conservation designator represents that M1 is the residential quarter of receiving the UE of M2.

640, when receiving described first corresponding message, M2 is randomly with the ABS{1 that comprises in described first response message, 3,5,6,7} distributes to macrocell M2 and Microcell P1, for example, give Microcell P1 with the 1st, 3,5 sub-frame allocation, give macrocell M2 with the 6th, 7 sub-frame allocation.

Only show the situation of M1 response ES_Start_To_Neigh message among Fig. 6, yet, the embodiment of the invention is not limited thereto, that is to say, a plurality of neighbor cells all can be replied ES_Start_To_Neigh message, and M2 can adopt the ABS subframe in the response message of replying earlier, also can adopt the ABS subframe in all response messages of replying.

Fig. 7 is the schematic diagram of carrying out the sequence of operation of energy-conservation process 700 in wireless communication system according to fourth embodiment of the invention.Among Fig. 7 710,750 with 760 respectively with Fig. 4 in 410,450 and 460 identical, therefore do not repeat them here.

Referring to Fig. 7, (for example, M1) send ES_Start_To_Neigh message and will enter energy saver mode with notice M2, wherein, described ES_Start_To_Neigh message indication M1 is the residential quarter of receiving the UE of M2 in a residential quarter in the neighbor cell at 720, M2.

730, when receiving this ES_Start_To_Neigh message, M1 sends first response message to M2, and described first response message comprises the information of common ABS.

740, when receiving described first response message, M2 is randomly with the ABS{1 that comprises in described first response message, 3,5,6,7} distributes to macrocell M2 and Microcell P1, for example, give Microcell P1 with the 1st, 3,5 sub-frame allocation, give macrocell with the 6th, 7 sub-frame allocation.

Figure 7 illustrates the ES_Start_To_Neigh message of M1 replys, yet, the embodiment of the invention is not limited thereto, that is to say, M1 can refuse this ES_Start_To_Neigh message, namely refusal is as the residential quarter of receiving the UE among the M1, and it can send refuse information to M2, perhaps can not send any message.At this moment, when M2 receives this refuse information or M2 when not receiving ABS message through a scheduled time, M2 can send above-mentioned ES_Start_To_Neigh message to another adjacent base station (for example M3).

Fig. 8 is the schematic diagram of carrying out the sequence of operation of energy-conservation process 800 in wireless communication system according to fifth embodiment of the invention.Among Fig. 8 810,850 with 860 respectively with Fig. 4 in 410,450 and 460 identical, therefore do not repeat them here.

Referring to Fig. 8, (for example, M1) send ES_Start_To_Neigh message and will enter energy saver mode with notice M2, wherein, described ES_Start_To_Neigh message indication M1 is the residential quarter of receiving the UE of M2 in a residential quarter in the neighbor cell at 820, M2.

830, M2 sends the information of ABS to M1, the information of described ABS comprises the information of an ABS and the information of the 2nd ABS, the UE that the information of a described ABS is used for Microcell P1 is scheduled on the subframe corresponding with a described ABS and communicates, and the UE that the information of described the 2nd ABS is used for macrocell M2 is scheduled on the subframe corresponding with described the 2nd ABS and communicates.

In the above-described embodiments, non-energy-conservation residential quarter (hereinafter be also referred to as and receive the residential quarter) is interference source (for example when the covering of receiving the residential quarter is realized enlarging in the power that receives the residential quarter by adjustment and inclination angle), energy-conservation residential quarter is to be subjected to the intruder, this is because the more powerful cell extension of receiving covers energy-conservation residential quarter fully, thereby energy-conservation residential quarter is formed interference, therefore, in this case, need receive the residential quarter to dispose ABS, and the UE of energy-conservation residential quarter is scheduled on the subframe corresponding with the ABS that receives the residential quarter to dispose and communicate.

If not the power that receives the residential quarter by adjustment and inclination angle but only enlarge the covering of receiving the residential quarter by adjusting CIO, then owing to receive the expansion of the coverage of residential quarter, receive the path loss of residential quarter to increase, but its power is constant, so this causes the path loss of receiving the residential quarter to be far longer than the path loss of energy-conservation residential quarter, in this case, energy-conservation residential quarter becomes interference source, be subjected to the intruder and receive the residential quarter to become, thereby, in this case, need energy-conservation residential quarter dispose ABS, and communicate on the corresponding subframe of the ABS that receives the UE of residential quarter to be scheduled for to dispose with energy-conservation residential quarter.

Carry out energy-conservation operation when Fig. 9 to 12 is described in energy-conservation cell configuration ABS in wireless communication system, in Fig. 9 to 12, wireless communication system comprises OAM, macrocell M1, M2 and M3 and Microcell P1, and wherein P1 is covered by macrocell M2.Yet the configuration that it will be appreciated by those skilled in the art that the wireless communication system among Fig. 9 to 12 only is that the present invention is described by way of example, and the present invention is not limited to this, and for example, Microcell P1 also can be the less macrocell of size.

Fig. 9 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to sixth embodiment of the invention.Among Fig. 9 910,920-1,920-2,920-3,950 with 960 respectively with Fig. 4 in 410,420-1,420-2,420-3,450 and 460 identical, therefore do not repeat them here.

Referring to Fig. 9, at 930-1, M2 sends first indication information to M1, its indication disabled ABS for M1, for example, and ABS{1,3,5}, namely M2 notice M1 is unavailable by an ABS of first indication information indication for M1.At this, first indication information also can be indicated the ABS of the P1 that can be used for M2, in this case, is equivalent to M2 and is not useable for M1 to P1 and the ABS that M1 notifies an ABS to can be used for M2.Send second indication information at 940, M2 to P1, it indicates the 2nd ABS, ABS{1 for example, and 3,5} namely notifies P1 can use the 2nd ABS by the indication of second indication information.At 930-2, M2 sends the 3rd indication information to M1, and it indicates the 3rd ABS, for example, ABS{6,7}, thus notice M1 can use the 3rd ABS.Those skilled in the art are to be understood that, the above-mentioned message flow of present embodiment only is that the present invention is described by way of example, the present invention also can utilize other message flows to realize that M2 sends the information of indication ABS to M1, for example, M2 can notify available and disabled ABS to M1 by a message, is about to first indication information and the 3rd indication information and is merged into an indication information.For example indicate ABS{1, the information of 3,5,6,7} is wherein indicated ABS{1, and 3,5} is not useable for M1, and ABS{6,7} can be used for M1, and wherein, described indication information can be the indication information of bitmap form.For example, the indication information of described bitmap form can be following form: [P, P, P, M, M] [1,3,5,6,7], and wherein corresponding with P ABS is not useable for M1, and the ABS corresponding with M can be used for M1.Those skilled in the art will appreciate that above-mentioned indication information can be sent to P1 or M1 by M2 by implicit expression mode or explicit way.For example, the implicit expression mode can be transmitted for two-part information, and first indication information as M2 among the 930-1 of present embodiment sends to M1 reaches the 3rd indication information that M2 sends to M1 among the 930-2.Because M2 has transmitted information twice to M1, then imply the indicated content difference of above-mentioned twice information.Explicit way can be the bitmap table form, the form among second embodiment [P, P, P, M, M] [1,3,5,6,7] for example, and the present invention does not do restriction to this.

Figure 10 is the schematic diagram of carrying out the energy-conservation sequence of operation in wireless communication system according to seventh embodiment of the invention.Among Figure 10 1010,1020-1,1020-2,1020-3,1050 with 1060 respectively with Fig. 5 in 510,520-1,520-2,520-3,550 and 560 identical, therefore do not repeat them here.

Referring to Figure 10, at the indication information of 1030, M2 to the indication ABS of M1 transmission bitmap form, for example, the indication information of described bitmap form can be following form: [P, P, P, M, M] [1,3,5,6,7], wherein corresponding with P ABS is not useable for M1, and the ABS corresponding with M can be used for M1, in this example, the indication information of the indication ABS of bitmap form is represented ABS{1,3,5} is unavailable for M1, and ABS{6,7} can use.Send second indication information at 1040, M2 to P1, the operable ABS of its notice P1, for example, ABS{1,3,5}.

Figure 11 and 12 is the schematic diagrames of carrying out the energy-conservation sequence of operation in wireless communication system according to eighth embodiment of the invention and the 9th embodiment.Among Figure 11 1110,1120-1,1120-2,1150 with 1160 respectively with Fig. 6 in 610,1210 among 620-1,620-2,650 and 660 identical and Figure 12,1220-1,1220-2,1250 and 1260 respectively with Fig. 6 in 610,620-1,620-2,650 and 660 identical, therefore do not repeat them here.

Referring to Figure 11, send first indication information at 1130, M2 to M1, the one ABS of its indication M2 configuration, for example, ABS{1,3,5,6,7}, namely M2 notifies M1, the ABS that M1 can use M2 to dispose, M1 selects to be used for the ABS of M1, for example from an ABS after receiving first indication information, M1 selects ABS{6,7}, and 1140, the P1 that covers to M2 sends second indication information, and it indicates the 2nd ABS, and notice P1 can use the 2nd ABS, for example, ABS{1,3,5}, wherein, described the 2nd ABS is the ABS that M1 selects from an ABS, for example, an ABS can be that M1 selects from a described ABS for residual A BS after the ABS of M1.In the present embodiment, M1 directly sends to P1 with second indication information, and for example, M1 directly sends to P1 with second indication information by X2 interface.

Yet, if M1 and P1 are not neighboring BS relationship, for example, there is not X2 interface between them, M1 can not directly send to P1 with second indication information, and in this case, M1 sends M2 with second indication information earlier, and M2 sends to P1 with second indication information more then.Referring to Figure 12, at 1240-1, M1 sends to M2 with second indication information, and then at 1240-2, M2 sends to P1 with this second indication information.

The following describes and in wireless communication system, be used for to carry out energy-conservation base station according to the embodiment of the invention.

Figure 13 illustrates and be used for to carry out energy-conservation base station according to the embodiment of the invention in wireless communication system.

Referring to Figure 13, base station 1300 comprises transmitting element 1301, receiving element 1302 and controller 1303.Wherein, control unit 1303 can be processor or the processor array that is implemented as the integrated operation of control base station 1300.Transmitting element 1301 may be implemented as by wired or wireless mode and transmits control signal and the transtation mission circuit of data-signal to external equipment, and receiving element 1302 may be implemented as the receiving circuit that receives control signal and data-signal by wired or wireless mode from external equipment.In embodiments of the present invention, transmitting element 1301 and receiving element 1302 are shown as parts separately, but the embodiment of the invention is not limited thereto, and transmitting element 1301 and receiving element 1302 also can be integrated in the single parts.

Base station in the wireless communication system shown in Figure 13 can be carried out as above referring to figs. 1 through 12 described operations.

According to one embodiment of present invention, described wireless communication system also comprises second base station, described base station comprises first residential quarter, described second base station comprises second residential quarter, and described transmitting element sends first message to described second base station under the control of control unit will enter energy saver mode to notify described first residential quarter.Described receiving element receives first response message for described first message from described second base station under the control of control unit.When described control unit is received described second residential quarter at all user equipment (UE)s of determining described first residential quarter, described first residential quarter is set to energy saver mode, wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, and wherein said first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described receiving element also receives second response message for described first message from described second base station, wherein, described second response message comprises the information of the 2nd ABS of described second base station configuration.Described transmitting element sends to described the 3rd residential quarter with the information of described the 2nd ABS, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described first response message also comprises the information of the 2nd ABS of described second base station configuration, the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates, wherein, the information of the information of a described ABS and described the 2nd ABS is the indication information of bitmap form, is used to indicate the described ABS that use described ABS that the UE of described first residential quarter uses and described the 3rd residential quarter.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described first response message also comprises the information of the 2nd ABS of described second base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates.Described transmitting element sends to described the 3rd residential quarter with the information of described the 2nd ABS, and the ABS that uses the ABS that use wherein said first residential quarter and described second residential quarter is the Random assignment of described base station.When described first message indication did not have to specify the residential quarter of the UE that receives described first residential quarter, described first response message also comprised energy-conservation designator, and described energy-conservation designator is used to indicate described second residential quarter and receives the UE of described first residential quarter.

According to another embodiment of the present invention, described wireless communication system also comprises first base station, and described first base station comprises first residential quarter, and described base station equipment comprises second residential quarter.Described receiving element receives first message from described first base station under the control of control unit, described first message is used for notifying described first residential quarter will enter energy saver mode.Described control unit is regulated the power parameter of described second residential quarter, so that all user equipment (UE)s of described first residential quarter are received by described second residential quarter.Described transmitting element sends first response message for described first message to described first base station under the control of described control unit.Wherein, described first response message comprises first information of gap frame ABS almost of described base station configuration, and wherein, the UE that the information of a described ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

According to another embodiment of the present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described transmitting element also sends second response message for described first message to described first base station, wherein said second response message comprises the information of the 2nd ABS of described base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates.

According to another embodiment of the present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described first response message also comprises the information of the 2nd ABS of described base station configuration, the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates, the information of the information of a wherein said ABS and described the 2nd ABS is the indication information of bitmap form, is used to indicate the described ABS that use described ABS that the UE of described first residential quarter uses and described the 3rd residential quarter.

According to another embodiment of the present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter.Described first response message also comprises the information of the 2nd ABS of described base station configuration, the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates, wherein, the ABS of an ABS of described first residential quarter use and the use of described the 3rd residential quarter is by the described first base station Random assignment.When described first message indication did not have to specify the residential quarter of the UE that receives described first residential quarter, described first response message also comprised energy-conservation designator, and described energy-conservation designator is used to indicate described second residential quarter and receives the UE of described first residential quarter.

According to an embodiment more of the present invention, described wireless communication system also comprises second base station, and described base station comprises first residential quarter, and described second base station comprises second residential quarter.Described transmitting element, under the control of control unit, send first message and second message to described second base station, wherein, described first residential quarter of described first message informing will enter energy saver mode and specify described second base station is the residential quarter of receiving the UE of first residential quarter, described second message comprises first information of gap frame ABS almost, and the UE that the information of a described ABS is used for first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.When described control unit was received described second residential quarter at all user equipment (UE)s of determining described first residential quarter, described first residential quarter was set to energy saver mode.

According to an embodiment more of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is Microcell and is covered by described first residential quarter, wherein, described second message also comprises the information of the 2nd ABS, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is dispatched on the subframe corresponding with described the 2nd ABS and communicates.

According to a still embodiment of the present invention, described wireless communication system also comprises first base station, and described first base station comprises first residential quarter, and described base station comprises second residential quarter.Described receiving element receives first message and second message from described first base station under the control of control unit, wherein, described first residential quarter of described first message informing will enter energy saver mode and indicate described second residential quarter is the residential quarter of receiving the UE of first residential quarter, described second message comprises first information of gap frame ABS almost, and the UE that the information of a wherein said ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.Described control unit is regulated the power parameter of described second residential quarter, so that all user equipment (UE)s of described first residential quarter are received described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises second base station, described second base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is Microcell and is covered by described first residential quarter, wherein, described second message also comprises the information of the 2nd ABS, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is dispatched on the subframe corresponding with described the 2nd ABS and communicates.

According to a still embodiment of the present invention, described wireless communication system also comprises second base station, and described base station comprises first residential quarter, and described second base station comprises second residential quarter.Described transmitting element sends first message and second message to described second base station under the control of control unit, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described control unit configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; With described control unit configuration ABS information, and when the user equipment (UE) of determining described first residential quarter was received described second residential quarter, described first residential quarter was set to energy saver mode.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, wherein said first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described transmitting element also sends the 3rd message of the information of the 2nd ABS that comprises described control unit configuration to described second base station, and the information of described the 2nd ABS is sent to described the 3rd residential quarter, wherein, the information of described the 2nd ABS UE that is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described control unit configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described receiving element receives the 4th message from described second base station under the control of described control unit, wherein, described the 4th message comprises the information of the 2nd ABS that is used for described the 3rd residential quarter that described second base station is selected from the information of a described ABS, and under the control of described control unit, described transmitting element sends the information of described the 2nd ABS to described the 3rd residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises first base station, and described first base station comprises first residential quarter, and described base station comprises second residential quarter.Described receiving element receives first message and second message from described first base station under the control of described control unit, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described first base station configuration, and the UE that the information of a described ABS is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; Described control unit makes the user equipment (UE) of described first residential quarter be received by described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described receiving element also receives the 3rd message from described first base station, wherein, described the 3rd message comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

According to a still embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described control unit is selected the information for the 2nd ABS of described the 3rd residential quarter from the information of a described ABS, and controls described transmitting element sends information from described the 2nd ABS to described the 3rd residential quarter.

According to a still embodiment of the present invention, described transmitting element sends the information of described the 2nd ABS via described first base station to described the 3rd residential quarter, and perhaps described transmitting element directly sends the information of described the 2nd ABS to described the 3rd residential quarter.

In addition, according to an aspect of the present invention, can realize the present invention by a kind of execution method for saving energy in wireless communication system is provided, wherein, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, and described second base station comprises second residential quarter, and described method comprises: described first base station sends first message will enter energy saver mode to described second base station to notify described first residential quarter; Described first base station receives first response message for described first message from described second base station; When all user equipment (UE)s of determining described first residential quarter were received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode; Wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, and wherein, the UE that the information of a described ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter; And described method also comprises: described first base station receives second response message for described first message from described second base station, and wherein, described second response message comprises the information of the 2nd ABS of described second base station configuration; Described first base station sends to described the 3rd residential quarter with the information of described the 2nd ABS, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates.

According to another embodiment of the present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is Microcell and is covered by described first residential quarter, described first response message also comprises the information of the 2nd ABS of described second base station configuration, the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates, wherein, the information of the information of a described ABS and described the 2nd ABS is the indication information of bitmap form, is used to indicate the described ABS that use described ABS that the UE of described first residential quarter uses and described the 3rd residential quarter.

According to an embodiment more of the present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter; Wherein, described first response message also comprises the information of the 2nd ABS of described second base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates; Described method also comprises: described first base station sends to described the 3rd residential quarter with the information of described the 2nd ABS; Wherein, the ABS of an ABS of described first residential quarter use and the use of described second residential quarter is the described first base station Random assignment.

According to a still embodiment of the present invention, when described first message indication does not have to specify the residential quarter of the UE that receives described first residential quarter, described first response message also comprises energy-conservation designator, and described energy-conservation designator is used to indicate described second residential quarter and receives the UE of described first residential quarter.

According to a further aspect in the invention, can realize the present invention by a kind of execution method for saving energy in wireless communication system is provided, wherein, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, and described method comprises: described second base station receives first message from described first base station, and described first message is used for notifying described first residential quarter will enter energy saver mode; The power parameter of described second residential quarter is regulated in described second base station, so that all user equipment (UE)s of described first residential quarter are received by described second residential quarter; Described second base station sends first response message for described first message to described first base station, wherein, described first response message comprises first information of gap frame ABS almost of described second base station configuration, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter; And described method also comprises: described second base station sends second response message for described first message to described first base station, wherein, described second response message comprises the information of the 2nd ABS of described second base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates.

According to an embodiment more of the present invention, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is Microcell and is covered by described first residential quarter; Wherein, described first response message also comprises the information of the 2nd ABS of described second base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates; Wherein, the ABS of an ABS of described first residential quarter use and the use of described second residential quarter is by the described first base station Random assignment.

In accordance with a further aspect of the present invention, can realize the present invention by a kind of method for saving energy in wireless communication system is provided, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, described method comprises: described first base station sends first message to described second base station, and described first residential quarter of described first message informing will enter energy saver mode and specify described second residential quarter is the residential quarter of receiving the UE of described first residential quarter; Described first base station sends second message to described second base station, described second message comprises first information of gap frame ABS almost, wherein, the information of the described ABS UE that is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; When all user equipment (UE)s of determining described first residential quarter were received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode.

According to one embodiment of present invention, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is Microcell and is covered by described first residential quarter, wherein, described second message also comprises the information of the 2nd ABS, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is dispatched on the subframe corresponding with described the 2nd ABS and communicates.

According to still one side of the present invention, can realize the present invention by a kind of method for saving energy in wireless communication system is provided, wherein, described wireless communication system comprises first base station and second base station, described first base station comprises first residential quarter, described second base station comprises second residential quarter, described method comprises: described second base station receives first message from described first base station, and it is the residential quarter of receiving the UE of described first residential quarter that described first message is used for notifying described first residential quarter will enter energy saver mode and specifying described second residential quarter; Described second base station receives second message from described first base station, described second message comprises first information of gap frame ABS almost, and the UE that the information of a wherein said ABS is used for described first residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; The power parameter of described second residential quarter is regulated in described second base station, so that all user equipment (UE)s of described first residential quarter are received described second residential quarter.

As mentioned above, the base station that the embodiment of the invention provides and method use the ABS subframe to reduce interference by staggering between the residential quarter, and by enlarging the area coverage of adjacent area in logic, thereby the UE that orders about in the energy-conservation residential quarter is received by described adjacent area, and after the UE in energy-conservation residential quarter received by the adjacent area, energy-conservation residential quarter entered energy saver mode, therefore, the present invention has reduced co-channel interference, and has guaranteed the business continuance of energy-conservation residential quarter, has realized the residential quarter purpose of energy saving simultaneously.

The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.

Claims

1. execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, and described first base station comprises first residential quarter, and described second base station comprises second residential quarter, it is characterized in that, and described method comprises:

Described first base station sends first message will enter energy saver mode to described second base station to notify described first residential quarter;

Described first base station sends second message to described second base station, described second message comprises first information of gap frame ABS almost of described first base station configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates;

When the user equipment (UE) of determining described first residential quarter was received described second residential quarter, described first residential quarter, described first base station was set to energy saver mode.

2. the method for claim 1 is characterized in that, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is covered by described first residential quarter,

And described method also comprises:

Described first base station sends the 3rd message to described second base station, and wherein, described the 3rd message comprises the information of the 2nd ABS of described first base station configuration;

Described first base station sends to described the 3rd residential quarter with the information of described the 2nd ABS, wherein, the information of described the 2nd ABS UE that is used for described the 3rd residential quarter is scheduled for and communicates on the subframe corresponding with described the 2nd ABS and the information of described the 2nd ABS is not useable for described second residential quarter.

3. the method for claim 1, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described first base station configuration, wherein, the information of described the 2nd ABS UE that is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

4. the method for claim 1 is characterized in that, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is covered by described first residential quarter,

And described method also comprises:

Described first base station receives the 4th message from described second base station, and wherein, described the 4th message comprises the information of the 2nd ABS that is used for described the 3rd residential quarter that described second base station is selected from the information of a described ABS; Described second base station sends the information of described the 2nd ABS to described the 3rd residential quarter.

5. base station that the execution in wireless communication system is energy-conservation, described wireless communication system also comprises second base station, and described base station comprises first residential quarter, and described second base station comprises second residential quarter, it is characterized in that, and described base station comprises:

Transmitting element, be used under the control of control unit, sending first message and second message to described second base station, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described control unit configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates; With

Described control unit is used for configuration ABS information, and when the user equipment (UE) of determining described first residential quarter was received described second residential quarter, described first residential quarter was set to energy saver mode.

6. base station as claimed in claim 5, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, wherein said first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described transmitting element also sends the 3rd message of the information of the 2nd ABS that comprises described control unit configuration to described second base station, and the information of described the 2nd ABS is sent to described the 3rd residential quarter, wherein, the information of described the 2nd ABS UE that is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

7. base station as claimed in claim 5, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described control unit configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

8. base station as claimed in claim 5, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, and described base station also comprises: receiving element, be used under the control of described control unit, receiving the 4th message from described second base station, wherein, described the 4th message comprises the information of the 2nd ABS that is used for described the 3rd residential quarter that described second base station is selected from the information of a described ABS, and under the control of described control unit, described transmitting element sends the information of described the 2nd ABS to described the 3rd residential quarter.

9. execution method for saving energy in wireless communication system, described wireless communication system comprises first base station and second base station, and described first base station comprises first residential quarter, and described second base station comprises second residential quarter, it is characterized in that, and described method comprises:

Described second base station receives first message from described first base station, and described first message is used for notifying described first residential quarter will enter energy saver mode;

Described second base station receives second message from described first base station, described second message comprises first information of gap frame ABS almost of described first base station configuration, wherein, the information of the described ABS UE that is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates;

Described second base station makes the user equipment (UE) of described first residential quarter be received by described second residential quarter.

10. method as claimed in claim 9 is characterized in that, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is covered by described first residential quarter,

And described method also comprises:

Described second base station receives the 3rd message from described first base station, wherein, described the 3rd message comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

11. method as claimed in claim 9, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

12. method as claimed in claim 9 is characterized in that, described wireless communication system also comprises the 3rd base station, and described the 3rd base station comprises the 3rd residential quarter, and described first residential quarter and described second residential quarter are macrocells, and described the 3rd residential quarter is covered by described first residential quarter,

And described method also comprises: the information for the 2nd ABS of described the 3rd residential quarter is selected in described second base station from the information of a described ABS, and sends the information of described the 2nd ABS to described the 3rd residential quarter.

13. method as claimed in claim 12, it is characterized in that, described second base station comprises to the information that described the 3rd residential quarter sends described the 2nd ABS: described second base station sends the information of described the 2nd ABS via described first base station to described the 3rd residential quarter, perhaps described second base station directly sends the information of described the 2nd ABS to described the 3rd residential quarter.

14. the base station that the execution in wireless communication system is energy-conservation, described wireless communication system also comprises first base station, and described first base station comprises first residential quarter, and described base station comprises second residential quarter, it is characterized in that, described base station comprises:

Receiving element, be used under the control of control unit, receiving first message and second message from described first base station, wherein, described first message is used for notifying described first residential quarter will enter energy saver mode, described second message comprises first information of gap frame ABS almost of described first base station configuration, and the UE that the information of a described ABS is used for described second residential quarter is scheduled on the subframe corresponding with a described ABS and communicates;

Described control unit is used for the user equipment (UE) of described first residential quarter is received by described second residential quarter.

15. base station as claimed in claim 14, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described receiving element also receives the 3rd message from described first base station, wherein, described the 3rd message comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

16. base station as claimed in claim 14, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described second message also comprises the information of the 2nd ABS of described first base station configuration, and the UE that the information of described the 2nd ABS is used for described the 3rd residential quarter is scheduled on the subframe corresponding with described the 2nd ABS and communicates and be not useable for described second residential quarter.

17. base station as claimed in claim 14, it is characterized in that, described wireless communication system also comprises the 3rd base station, described the 3rd base station comprises the 3rd residential quarter, described first residential quarter and described second residential quarter are macrocells, described the 3rd residential quarter is covered by described first residential quarter, described base station also comprises: transmitting element, described control unit is selected the information for the 2nd ABS of described the 3rd residential quarter from the information of a described ABS, and controls described transmitting element sends information from described the 2nd ABS to described the 3rd residential quarter.

18. base station as claimed in claim 17 is characterized in that, described transmitting element sends the information of described the 2nd ABS via described first base station to described the 3rd residential quarter, and perhaps described transmitting element directly sends the information of described the 2nd ABS to described the 3rd residential quarter.