WO2016004623A1 - 一种干扰协调方法和基站 - Google Patents

一种干扰协调方法和基站 Download PDF

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Publication number
WO2016004623A1
WO2016004623A1 PCT/CN2014/082049 CN2014082049W WO2016004623A1 WO 2016004623 A1 WO2016004623 A1 WO 2016004623A1 CN 2014082049 W CN2014082049 W CN 2014082049W WO 2016004623 A1 WO2016004623 A1 WO 2016004623A1
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WO
WIPO (PCT)
Prior art keywords
base station
blank subframe
allocated
blank
message
Prior art date
Application number
PCT/CN2014/082049
Other languages
English (en)
French (fr)
Inventor
张莉莉
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/082049 priority Critical patent/WO2016004623A1/zh
Priority to US15/325,482 priority patent/US10075267B2/en
Priority to CN201480078545.2A priority patent/CN106465346B/zh
Priority to EP14897017.1A priority patent/EP3154298B1/en
Publication of WO2016004623A1 publication Critical patent/WO2016004623A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0073Allocation arrangements that take into account other cell interferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10Dynamic resource partitioning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/32Hierarchical cell structures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/27Control channels or signalling for resource management between access points
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/20Interfaces between hierarchically similar devices between access points

Definitions

  • Embodiments of the present invention relate to the field of communications, and more particularly, to an interference coordination method and a base station. Background technique
  • Heterogeneous Network (English name: Heterogeneous Network, English abbreviation: HetNet) is a network type of long-term evolution (English full name: Long Term Evolution, English abbreviation: LTE) network, by deploying several micro cells in the coverage area of the macro cell Within, a heterogeneous system of the same coverage is formed.
  • the micro cell is mainly deployed in a weak coverage area or a hot spot area of the macro cell, which can increase the capacity of the network.
  • the introduction of the micro cell will also bring additional inter-cell interference to the heterogeneous network.
  • inter-cell interference coordination (English: acronym: elCIC) is mainly to set part of the subframe of the macro base station to almost blank subframe (English full name) : Almost Blank Subframe, English abbreviation: ABS ).
  • the embodiment of the invention provides an interference coordination method and a base station, which can eliminate resource collision problems in interference coordination and improve resource utilization.
  • the first aspect provides an interference coordination method, the method includes: a base station allocates a first almost blank subframe for one or more first base stations interfered by the base station; and the base station sends a first message to the interference base station One or more second base stations, the first message includes information indicating the first almost blank subframe; and the base station acquires a second allocated by the one or more second base stations to the base station Almost blank subframe, the second almost blank subframe is different from the first almost blank subframe frame.
  • the first message further includes information for indicating an almost blank subframe that is prohibited from being allocated, and the almost blank subframe that is prohibited from being allocated includes The first almost blank subframe is described.
  • the sending, by the base station, the first message to the one or more second base stations that interfere with the base station includes: The base station sets an almost blank subframe information element that is forbidden to be allocated, and carries the almost blank subframe information element that is prohibited from being allocated in the first message to one or more second base stations that interfere with the base station.
  • the almost blank subframe information element forbidden to be allocated is represented in the form of a bit bitmap, each bit of the bitmap represents one subframe, and the bit is set to indicate an almost blank subframe that is prohibited from being allocated.
  • the second almost blank subframe is different from the first almost blank subframe:
  • the two almost blank subframes are different from the almost blank subframes for which the allocation is prohibited, or the second almost blank subframes are orthogonal to the almost blank subframes for which the allocation is prohibited.
  • the first message further includes information for indicating an almost blank subframe that is allowed to be allocated, and the almost blank subframe that is allowed to be allocated is not included The first almost blank subframe.
  • the sending, by the base station, the first message to the one or more second base stations that interfere with the base station includes:
  • the base station sets an almost blank subframe information element that is allowed to be allocated, and carries the almost blank information element that is allowed to be allocated in the first message to one or more second base stations that interfere with the base station, the permission
  • the allocated almost blank subframe information element is represented in the form of a bit bitmap, each bit of the bitmap represents one subframe, and the bit is set to indicate an almost blank subframe that is allowed to be allocated.
  • the second almost blank subframe is different from the first almost blank subframe:
  • the two almost blank subframes are identical to the almost blank subframes allowed to be allocated, or the second almost blank subframes are a subset of the almost blank subframes allowed to be allocated.
  • the method further includes: receiving, by the base station, a second message that is sent by the one or more first base stations, where the second message is And the base station is configured to allocate, by the base station, the first almost blank subframe to the one or more first base stations, where the base station allocates the first almost blank subframe to the one or more first base stations that are interfered by the base station, including: And the base station allocates a first almost blank subframe to the one or more first base stations interfered by the base station according to the second message sent by the one or more first base stations.
  • the second almost blank subframe is different from The first almost blank subframe includes: the second almost blank subframe is orthogonal to the first almost blank subframe.
  • the method further includes: receiving, by the base station The one or more first base stations are third almost blank subframes allocated by one or more third base stations interfered by the one or more first base stations; the base stations are one or Allocating, by the plurality of first base stations, the first almost blank subframe includes: the base station allocates a first almost blank subframe for one or more first base stations interfered by the base station, where the first almost blank subframe is different from The third almost blank subframe.
  • the one or more second base stations are The second almost blank subframe allocated by the base station is the same.
  • the base station, the first base station And the second base station is a macro base station, or the base station, the first base station, and the second base station are both micro base stations, or the base station, the first base station, and the second base station are Pico base station.
  • the first message is a request indication message
  • the request indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • the second aspect provides a base station, including: an allocating unit, configured to allocate a first almost blank subframe to one or more first base stations interfered by the base station; and a sending unit, configured to send the first message to the interference station One or more second base stations of the base station, the first message includes information for indicating the first almost blank subframe; and an acquiring unit, configured to acquire the one or more second base stations as the base station Assigning a second almost blank subframe, the second almost blank subframe being different from the first few Blank sub-frames.
  • the first message further includes information for indicating an almost blank subframe that is prohibited from being allocated, and the almost blank subframe that is prohibited from being allocated includes the The first almost blank subframe is described.
  • the method further includes: a first setting unit, configured to set an almost blank subframe information element that is prohibited from being allocated,
  • the almost blank subframe information element that is forbidden to be allocated is represented by a bit bitmap, each bit of the bit bitmap represents one subframe, and the bit is set to indicate an almost blank subframe that is prohibited from being allocated; And transmitting the almost blank subframe information element that is forbidden to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the second almost blank subframe is different from the first almost blank subframe:
  • the two almost blank subframes are different from the almost blank subframes for which the allocation is prohibited, or the second almost blank subframes are orthogonal to the almost blank subframes for which the allocation is prohibited.
  • the first message further includes information for indicating an almost blank subframe that is allowed to be allocated, and the almost blank subframe that is allowed to be allocated is not included The first almost blank subframe.
  • the method further includes:
  • a second setting unit configured to set an almost blank subframe information element that is allowed to be allocated, wherein the almost blank subframe information element that is allowed to be allocated is represented by a bitmap, and each bit of the bitmap represents one subframe , the bit is set to indicate an almost blank subframe that is allowed to be allocated;
  • the sending unit is specifically configured to: carry the almost blank information element that is allowed to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the second almost blank subframe is different from the first almost blank subframe:
  • the two almost blank subframes are identical to the almost blank subframes allowed to be allocated, or the second almost blank subframes are a subset of the almost blank subframes allowed to be allocated.
  • the method further includes: a receiving unit, configured to receive a second message sent by the one or more first base stations, where the second message is used Requesting, by the base station, to allocate, by the one or more first base stations, a first almost blank subframe;
  • the allocating unit is configured to allocate, according to the second message sent by the one or more first base stations, the first almost blank subframe to the one or more first base stations that are interfered by the base station.
  • the receiving unit is further configured to: Determining, by the one or more first base stations, a third almost blank subframe allocated by one or more third base stations interfered by the one or more first base stations; The one or more first base stations of the interference allocate a first almost blank subframe, the first almost blank subframe being different from the third almost blank subframe.
  • the second almost blank subframe is different from The first almost blank subframe includes: the second almost blank subframe is orthogonal to the first almost blank subframe.
  • the one or more second base stations are The second almost blank subframe allocated by the base station is the same.
  • the base station, the first base station And the second base station is a macro base station, or the base station, the first base station, and the second base station are both micro base stations, or the base station, the first base station, and the second base station are Pico base station.
  • the first message is a request indication message
  • the request indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • the interference coordination method and the base station in the embodiments of the present invention can eliminate resource collision problems in interference coordination and improve resource utilization.
  • FIG. 1 is a schematic diagram of an interference coordination method according to an embodiment of the present invention.
  • FIG. 2 shows a schematic block diagram of a base station according to an embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a base station according to an embodiment of the present invention. detailed description
  • the user equipment (English name: User Equipment, English abbreviation: UE) includes but is not limited to a mobile station (English full name: Mobile Station, English abbreviation: MS), and a mobile terminal (English full name: Mobile) Terminal), mobile phone (English full name: Mobile Telephone), mobile phone (English full name: handset) and portable device (English full name: portable equipment), etc.
  • the user equipment can pass the wireless access network (English full name: Radio Access Network, English Abbreviations: RAN) communicate with one or more core networks, for example, the user equipment can be a mobile phone (or "cellular" phone), a computer with wireless communication capabilities, etc., and the user device can also be portable, pocket-sized, Handheld, computer built-in or in-vehicle mobile devices.
  • the base station may be a base station in GSM or CDMA (English full name: Base Transceiver Station, English abbreviation: BTS), or may be a base station (NodeB) in WCDMA, or an evolved base station in LTE ( The English full name: evolved Node B, English abbreviation: eNB or e-NodeB), the embodiment of the present invention is not limited.
  • FIG. 1 illustrates an interference coordination method 100, which may be performed, for example, by a base station. As shown in FIG. 1, the method 100 includes:
  • the base station allocates a first almost blank subframe to the one or more first base stations that are interfered by the base station (English full name: Almost Blank Subframe, English abbreviation: ABS);
  • the interference between the base stations refers to the signal interference between the stations, and when the micro cells are densely distributed, in addition to the interference between the macro cell and each micro cell, there is mutual interference between the micro cells.
  • the macro base station for example, the macro eNB
  • the micro cell base station for example, a remote radio unit (RRH), a pico base station (Pico eNB), a home base station (Home eNB) or medium A relay cell (relay eNB) or the like also allocates an ABS to the micro cell base station interfered by it to perform interference coordination between the micro cells.
  • the base station sends a first message to one or more second base stations that interfere with the base station, where the first message includes information used to indicate the first almost blank subframe.
  • the first base station is different from the second base station, and the base station may use multiple methods to send the first almost blank subframe to one or more second base stations that interfere with the base station.
  • the information indicating almost blank subframes may also have multiple representations, and is not limited herein.
  • the base station acquires a second almost blank subframe allocated by the one or more second base stations to the base station, where the second almost blank subframe is different from the first almost blank subframe.
  • the base station may obtain multiple second blank subframes by using multiple methods, and the second almost blank subframe may have multiple representation manners different from the first almost blank subframe. This does not constitute a limitation.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • FIG. 1 is only intended to assist those skilled in the art in understanding the embodiments of the present invention, and the embodiments of the invention are not limited to the specific numerical values or specific examples illustrated.
  • a person skilled in the art will be able to make various modifications or changes in the form of the embodiment of the present invention, and such modifications or variations are also within the scope of the embodiments of the present invention.
  • the first message is a request indication (for example, an invoke The indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • a request indication for example, an invoke
  • the indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • the request indication message includes an indication indication information element (English element: English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station.
  • indication indication information element English element: English abbreviation: IE
  • the first message further includes information for indicating an almost blank subframe that is prohibited from being allocated, and the almost blank subframe that is prohibited from being allocated includes the first almost blank subframe.
  • the base station may take multiple methods to carry the almost blank subframes that are prohibited from being allocated in the first message to one or more second base stations that interfere with the base station, and is not limited herein.
  • the sending, by the base station, the first message to the one or more second base stations that interfere with the base station includes: the base station setting an almost blank subframe information element that is prohibited from being allocated, and placing the forbidden allocated almost blank
  • the frame information element is carried in the first message and sent to one or more second base stations that interfere with the base station, and the almost blank subframe information element that is prohibited from being allocated is represented by a bit bitmap, the bit bitmap Each bit represents a sub-frame, and the bit is set (i.e., the bit is assigned a value of 1) to indicate an almost blank subframe that is prohibited from being allocated.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station, except
  • the ABS information is included in the existing request indication, indicating that it is desired to allocate the ABS mode information, and the almost blank subframe information that is prohibited from being allocated is added. It is expected that the receiving base station considers the almost blank subframe information that is forbidden to be allocated when the ABS is allocated.
  • the almost blank subframe information element that is forbidden to be allocated may be represented by a bit bitmap (for example, may be 70 bits); each bit of the bit bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe has been allocated by the base station as an ABS resource.
  • the bit is not set. (ie, the bit is assigned a value of 0) is used to indicate the opposite meaning, that is, the ABS resource allocated by the second base station is allowed.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is different from the almost blank subframe that is forbidden to be allocated, or the second almost The blank subframe is orthogonal to the almost blank subframe that is forbidden to be allocated.
  • Orthogonal Frequency Division Multiplexing technique is used (English full name: Orthogonal Frequency In a communication system of Division Multiplexing, English abbreviation: OFDM, for example, in an LTE communication system, different subcarriers or subframes are orthogonal to each other.
  • the first message further includes information for indicating an almost blank subframe that is allowed to be allocated, and the almost blank subframe that is allowed to be allocated does not include the first almost blank subframe.
  • the base station may take a plurality of methods to carry the almost blank subframes that are allowed to be allocated in the first message to one or more second base stations that interfere with the base station, which is not a limitation.
  • the sending, by the base station, the first message to the one or more second base stations that interfere with the base station includes: the base station setting an almost blank subframe information element that is allowed to be allocated, and the almost blank information that is allowed to be allocated
  • the element is carried in the first message and sent to one or more second base stations that interfere with the base station, and the almost blank subframe information element that is allowed to be allocated is represented by a bit bitmap, and each bit bitmap is One bit represents one subframe, and the bit is set (ie, the bit is assigned a value of 1) to indicate an almost blank subframe that is allowed to be allocated.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station, except
  • the ABS information is included in the first message, indicating that it is desired to allocate the ABS mode information, and the almost blank subframe information allowed to be allocated is increased. It is expected that the receiving base station considers the almost blank subframe information that is allowed to be allocated when the ABS is allocated.
  • the almost blank subframe information element allowed to be allocated may be represented by a bitmap (for example, may be 70 bits); each bit of the bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe is not allocated by the base station as an ABS resource.
  • the bit is not set ( That is, the bit is assigned a value of 0) for indicating the opposite meaning, that is, the ABS resource allocated by the second base station is prohibited.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is the same as the almost blank subframe allowed to be allocated, or the second almost A blank subframe is a subset of the almost blank subframes that are allowed to be allocated.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is orthogonal to the first almost blank subframe.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the method further includes:
  • the base station Assigning, by the base station, the first almost blank subframe to the one or more first base stations that are interfered by the base station includes: the base station is configured according to the third message sent by the one or more first base stations The one or more first base stations that the base station interferes with allocate the first almost blank subframe.
  • the base station may actively allocate the ABS to the first base station, or may allocate the ABS according to the request indication message sent by the first base station.
  • the method further includes:
  • Distributing the first almost blank subframe to the one or more first base stations of the interference comprises: the base station allocating a first almost blank subframe to the one or more first base stations interfered by the base station, the first almost blank subframe The frame is different from the third almost blank subframe.
  • the base station after acquiring, by the base station, third ABS information that is allocated by the first base station to one or more third base stations that are interfered by the one or more first base stations, the base station allocates different information to the first base station.
  • the ABS resource of the third ABS can eliminate the ABS resource collision problem in the interference coordination between cells, and improve resource utilization.
  • the second almost blank subframe allocated by the one or more second base stations to the base station is the same.
  • the multiple second base stations allocate the same ABS to facilitate the user equipment to perform network measurement on the cells of multiple second base stations, which is beneficial to communication establishment, handover, etc. of the user equipment. process.
  • the base station, the first base station, and the second base station are both macro eNBs, or the base station, the first base station, and the second base station are micro base stations (micro The eNB), or the base station, the first base station, and the second base station are both pico eNBs.
  • the base station, the first base station, and the second base station in the embodiments may all be macro eNBs, all of which may be micro eNBs, or both pico eNBs;
  • the base station, the first base station, and the second base station in the embodiment may also be any one of a macro eNB, a micro eNB, and a pico eNB. Therefore, the interference coordination method provided by the embodiment of the present invention, the second almost blank subframe allocated to the base station by using the one or more second base stations is different from the base station being one or more interfered by the base station. The first almost blank subframe allocated by the first base station can eliminate resource collision problems in interference coordination and improve resource utilization.
  • FIG. 2 shows a schematic block diagram of a base station 200 in accordance with an embodiment of the present invention.
  • the base station 200 includes:
  • the allocating unit 201 is configured to allocate, for one or more first base stations that are interfered by the base station, a first almost blank subframe (English full name: Almost Blank Subframe, English abbreviation: ABS); When there is interference between the macro cell and each micro cell, there is interference between the micro cells, and not only the macro base station (for example, macro eNB). ABS, a microcell base station (for example, a remote radio unit (RRH), a pico base station (Pico eNB), a home base station (Home eNB) or a relay base station (relay eNB), etc.) ABS is also allocated to the microcells that are interfered with by it to perform interference coordination between the microcells.
  • a microcell base station for example, a remote radio unit (RRH), a pico base station (Pico eNB), a home base station (Home eNB) or a relay base station (relay eNB), etc.
  • the sending unit 202 is configured to send a first message to one or more second base stations that interfere with the base station, where the first message includes information used to indicate the first almost blank subframe;
  • the first base station is different from the second base station, and the base station may use multiple methods to send the first almost blank subframe to one or more second base stations that interfere with the base station, indicating
  • the information of the first almost blank subframe may also have multiple representations, and is not limited herein.
  • the obtaining unit 203 is configured to obtain a second almost blank subframe allocated by the one or more second base stations to the base station, where the second almost blank subframe is different from the first almost blank subframe.
  • the base station may obtain multiple second blank subframes by using multiple methods, and the second almost blank subframe may have multiple representation manners different from the first almost blank subframe. This does not constitute a limitation.
  • the first message is an invoke indication message
  • the request indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • the request indication message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station.
  • information element information element, English abbreviation: IE
  • the first message further includes information for indicating an almost blank subframe that is prohibited from being allocated, and the almost blank subframe that is prohibited from being allocated includes the first almost blank subframe.
  • the base station may use multiple methods to carry the almost blank subframes that are prohibited from being allocated in the first message to one or more second base stations that interfere with the base station, and is not limited herein.
  • the base station 200 further includes:
  • the first setting unit 204 is configured to set an almost blank subframe information element that is prohibited from being allocated, and the almost blank subframe information element that is prohibited from being allocated is represented by a bitmap, where each bit of the bitmap represents a sub- Frame, the bit is set (ie, the bit is assigned a value of 1) to indicate an almost blank subframe that is prohibited from being allocated;
  • the sending unit 202 is specifically configured to carry the almost blank subframe information element that is forbidden to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station, except
  • the ABS information is included in the existing request indication, indicating that it is desired to allocate the ABS mode information, and the almost blank subframe information that is prohibited from being allocated is added. It is expected that the receiving base station considers the almost blank subframe information that is forbidden to be allocated when the ABS is allocated.
  • the almost blank subframe information element that is forbidden to be allocated may be represented by a bit bitmap (for example, may be 70 bits); each bit of the bit bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe has been allocated by the base station as an ABS resource.
  • the bit is not set. (ie, the bit is assigned a value of 0) is used to indicate the opposite meaning, that is, the ABS resource allocated by the second base station is allowed.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is different from the almost blank subframe that is forbidden to be allocated, or the second almost The blank subframe is orthogonal to the almost blank subframe that is forbidden to be allocated.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the first message further includes information for indicating an almost blank subframe that is allowed to be allocated, and the almost blank subframe that is allowed to be allocated does not include the first almost blank subframe.
  • the base station may take a plurality of methods to carry the almost blank subframes that are allowed to be allocated in the first message to one or more second base stations that interfere with the base station, which is not a limitation.
  • the base station 200 further includes:
  • a second setting unit 205 configured to set an almost blank subframe information element that is allowed to be allocated, where the almost blank subframe information element that is allowed to be allocated is represented by a bitmap, where each bit of the bitmap represents a sub- Frame, the bit is set (ie, the bit is assigned a value of 1) to indicate an almost blank subframe that is allowed to be allocated;
  • the sending unit 202 is specifically configured to carry the almost blank information element that is allowed to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station, except
  • the ABS information is included in the first message, indicating that it is desired to allocate the ABS mode information, and the almost blank subframe information allowed to be allocated is increased. It is expected that the receiving base station considers the almost blank subframe information that is allowed to be allocated when the ABS is allocated.
  • the almost blank subframe information element allowed to be allocated may be represented by a bitmap (for example, may be 70 bits); each bit of the bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe is not allocated by the base station as an ABS resource.
  • the bit ie, the bit is assigned a value of 0
  • the bit is used to indicate the opposite meaning, that is, the ABS resource allocated by the second base station is prohibited.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is the same as the almost blank subframe allowed to be allocated, or the second almost A blank subframe is a subset of the almost blank subframes that are allowed to be allocated.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is orthogonal to the first almost blank subframe.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the base station 200 further includes:
  • the receiving unit 206 is configured to receive a third message sent by the one or more first base stations, where the third message is used to request the base station to allocate the first almost blank subframe to the one or more first base stations. ;
  • the allocating unit 201 is configured to allocate, according to the third message sent by the one or more first base stations, a first almost blank subframe to one or more first base stations that are interfered by the base station.
  • the base station may actively allocate the ABS to the first base station that is interfered by the base station, or may allocate the ABS according to the request indication message sent by the first base station.
  • the receiving unit 206 is further configured to: receive, by the one or more first base stations, a third almost blank sub-location allocated by one or more third base stations that are interfered by the one or more first base stations. frame;
  • the allocating unit 201 is specifically configured to allocate a first almost blank subframe for the one or more first base stations interfered by the base station, where the first almost blank subframe is different from the third almost blank subframe.
  • the first base station is different from the third base station, and after the base station acquires the third ABS information that is allocated by the first base station to the third base station that is interfered by the first base station, the base station allocates the first base station information. Different from the ABS resource of the third ABS, the ABS resource collision problem in interference coordination between cells can be eliminated, and resource utilization is improved.
  • the second almost blank subframe allocated by the one or more second base stations to the base station is the same.
  • the multiple second base stations allocate the same ABS to facilitate the user equipment to perform network measurement on the multiple second base stations, which is beneficial to the communication establishment, handover, and the like of the user equipment.
  • the base station, the first base station, and the second base station are both macro eNBs, or the base station, the first base station, and the second base station are micro base stations (micro eNB), Or the base station, the first base station, and the second base station are both pico eNBs.
  • the base station, the first base station, and the second base station in the embodiment may all be macro eNBs, or all of them may be micro eNBs, or all pico eNBs;
  • the base station, the first base station, and the second base station in the embodiment may also be any one of a macro eNB, a micro eNB, and a pico eNB, respectively.
  • the base station provided by the embodiment of the present invention the second almost blank subframe allocated to the base station by using the one or more second base stations is different from the base station being one or more first interfered by the base station.
  • the first almost blank subframe allocated by the base station can eliminate resource collision problems in interference coordination and improve resource utilization.
  • the embodiment of the present invention further provides a base station 300, which includes a processor 310, a memory 320, a bus system 330, a receiver 340, and a transmitter 350.
  • the processor 310, the memory 320, the receiver 340, and the transmitter 350 are connected by a bus system 330 for storing instructions, and the processor 310 is configured to execute instructions stored by the memory 320 to control the receiver 340 to receive.
  • a signal or instruction or message and controls the transmitter 350 to send a signal or signaling or message, and the like.
  • the processor 310 is configured to allocate, by the one or more first base stations that are interfered by the base station, a first almost blank subframe; the transmitter 350 is configured to send the first message to one or more of the base stations that interfere with the base station. a second base station, the first message includes information for indicating the first almost blank subframe; the receiver 340 is configured to acquire a second almost allocated by the one or more second base stations to the base station A blank subframe, the second almost blank subframe is different from the first almost blank subframe.
  • the first message is an invoke indication message
  • the request indication message is used to request the one or more second base stations to allocate a second almost blank subframe to the base station.
  • the request indication message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station.
  • information element information element, English abbreviation: IE
  • the first message further includes information for indicating an almost blank subframe that is prohibited from being allocated, and the almost blank subframe that is prohibited from being allocated includes the first almost blank subframe.
  • the base station may take multiple methods to carry the almost blank subframes that are prohibited from being allocated in the first message to one or more second base stations that interfere with the base station, and is not limited herein.
  • the processor 310 sets an almost blank subframe information element that is prohibited from being allocated, and the almost blank subframe information element that is prohibited from being allocated is represented by a bitmap, where each bit of the bitmap represents a sub-bit. Frame, the bit is set (ie, the bit is assigned a value of 1) to indicate an almost blank subframe that is prohibited from being allocated;
  • the transmitter 350 carries the almost blank subframe information element forbidden to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station,
  • the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station
  • the almost blank subframe information element that is forbidden to be allocated may be represented by a bit bitmap (for example, may be 70 bits); each bit of the bit bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe has been allocated by the base station as an ABS resource.
  • the bit is not set. (ie, the bit is assigned a value of 0) is used to indicate the opposite meaning, that is, the ABS resource allocated by the second base station is allowed.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is different from the almost blank subframe that is forbidden to be allocated, or the second almost The blank subframe is orthogonal to the almost blank subframe that is forbidden to be allocated.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the first message further includes information for indicating an almost blank subframe that is allowed to be allocated, and the almost blank subframe that is allowed to be allocated does not include the first almost blank subframe.
  • the base station may take a plurality of methods to carry the almost blank subframes that are allowed to be allocated in the first message to one or more second base stations that interfere with the base station, which is not a limitation.
  • the processor 310 sets an almost blank subframe information element that is allowed to be allocated, and the almost blank subframe information element that is allowed to be allocated is represented by a bitmap, and each bit of the bitmap represents a sub-bit. Frame, the bit is set (ie the bit is assigned a value of 1) to indicate that the allocation is almost empty White sub-frame
  • the transmitter 350 carries the almost blank information element allowed to be allocated in the first message to one or more second base stations that interfere with the base station.
  • the first message includes an information indication (information element, English abbreviation: IE), and the request indication information element indicates what kind of information the transmitting base station expects to receive from the base station,
  • the almost blank subframe information allowed to be allocated is increased, and it is expected that the receiving base station considers the almost blank subframe information that is allowed to be allocated while allocating the ABS.
  • the almost blank subframe information element allowed to be allocated may be represented by a bitmap (for example, may be 70 bits); each bit of the bitmap represents one subframe, and the bit is set ( That is, the bit is assigned a value of 1), indicating that the subframe is not allocated by the base station as an ABS resource.
  • the bit ie, the bit is assigned a value of 0
  • the bit is used to indicate the opposite meaning, that is, the ABS resource allocated by the second base station is prohibited.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is the same as the almost blank subframe allowed to be allocated, or the second almost A blank subframe is a subset of the almost blank subframes that are allowed to be allocated.
  • the second almost blank subframe is different from the first almost blank subframe: the second almost blank subframe is orthogonal to the first almost blank subframe.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the receiver 340 receives the third message sent by the one or more first base stations, where the third message is used to request the base station to allocate the first almost blank to the one or more first base stations. Subframe
  • the processor 310 allocates a first almost blank subframe to the one or more first base stations interfered by the base station according to the third message sent by the one or more first base stations.
  • the base station may actively allocate the ABS to the first base station that is interfered by the base station, or may allocate the ABS according to the request indication message sent by the first base station.
  • the receiver 340 receives, by the one or more first base stations, a third almost blank subframe allocated by one or more third base stations that are interfered by the one or more first base stations;
  • the processor 310 allocates a first almost blank subframe for the one or more first base stations interfered by the base station, the first almost blank subframe being different from the third almost blank subframe.
  • the first base station is different from the third base station, and after the base station acquires the third ABS information that is allocated by the first base station to the third base station that is interfered by the first base station, the base station allocates the first base station information. Different from the ABS resource of the third ABS, the ABS resource collision problem in interference coordination between cells can be eliminated, and resource utilization is improved.
  • the second almost blank subframe allocated by the one or more second base stations to the base station is the same.
  • the multiple second base stations allocate the same ABS to facilitate the user equipment to perform network measurement on the multiple second base stations, which is beneficial to the communication establishment, handover, and the like of the user equipment.
  • the base station, the first base station, and the second base station are both macro eNBs, or the base station, the first base station, and the second base station are micro base stations (micro The eNB), or the base station, the first base station, and the second base station are both pico eNBs.
  • the base station, the first base station, and the second base station in the embodiments may all be macro eNBs, all of which may be micro eNBs, or both pico eNBs;
  • the base station, the first base station, and the second base station in the embodiment may be any one of a macro eNB, a micro eNB, and a pico eNB, which are not limited herein.
  • the processor 310 may be a central processing unit ("CPU"), and the processor 310 may also be other general-purpose processors, digital signal processors (DSPs).
  • DSPs digital signal processors
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 320 can include read only memory and random access memory and provides instructions and data to the processor 310. A portion of memory 320 may also include non-volatile random access memory. For example, the memory 320 can also store information of the device type.
  • the bus system 330 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 330 in the figure.
  • each step of the foregoing method may be completed by using an integrated logic circuit of hardware in the processor 310 or an instruction in a form of software.
  • the steps of the method disclosed in connection with the embodiments of the present invention can be directly implemented as a hardware processor, or by a combination of hardware and software modules in the processor.
  • the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 320.
  • the processor 310 reads the information in the memory 320 and completes the steps of the above method in combination with hardware. To avoid repetition, it will not be described in detail here.
  • the base station 200 may correspond to the base station in the method for transmitting information according to the embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the base station 200 are respectively implemented to implement the respective FIG.
  • the corresponding process of the method for the sake of brevity, will not be repeated here.
  • a computer readable medium comprising computer readable instructions that, when executed, perform the operations of S110 to S130 of the method in the above embodiments.
  • a computer program product including the computer readable medium described above.
  • the base station provided by the embodiment of the present invention the second almost blank subframe allocated to the base station by using the one or more second base stations is different from the base station being one or more first interfered by the base station.
  • the first almost blank subframe allocated by the base station can eliminate resource collision problems in interference coordination and improve resource utilization.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection using some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例提供一种干扰协调方法和基站,该方法包括:基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白子帧;所述基站发送第一消息给干扰所述基站的一个或多个第二基站,所述第一消息包含用于指示所述第一几乎空白子帧的信息;所述基站获取所述一个或多个第二基站为所述基站分配的第二几乎空白子帧,所述第二几乎空白子帧不同于所述第一几乎空白子帧,可以消除干扰协调中的资源碰撞问题,提高资源利用率。

Description

一种干扰协调方法和基站 技术领域
本发明实施例涉及通信领域, 并且更具体地, 涉及一种干扰协调方法和 基站。 背景技术
异构网 (英文全称: Heterogeneous Network, 英文缩写: HetNet )是长 期演进(英文全称: Long Term Evolution, 英文缩写: LTE ) 网络的一种网 络类型, 通过部署若干个微小区在宏小区的覆盖区域内, 形成同覆盖的异构 系统。 微小区主要部署在宏小区的弱覆盖区域或热点区域, 可以提高网络的 容量。 同时, 微小区的引入也会带来额外的异构网小区间干扰。
为了解决干扰问题, 目前的加强小区间干扰协调(英文全称: enhanced inter-cell interference coordination, 英文缩写: elCIC))的解决方案主要是将宏 基站的部分子帧设置为几乎空白子帧 (英文全称: Almost Blank Subframe, 英文缩写: ABS )。
然而当微小区密集分布时, 宏小区对微小区的干扰不再是唯一干扰, 微 小区相互间的干扰不容忽视。如果在微小区之间应用目前的加强干扰协调的 解决方案, 则相互干扰的微小区的几乎空白子帧会出现资源重叠, 如果相关 微小区继续使用资源重叠的几乎空白子帧则会导致资源碰撞, 吞吐量下降, 如果相关微小区不使用资源重叠的几乎空白子帧则会导致频谱资源使用效 率下降或者重新分配几乎空白子帧所带来的额外系统开销。 发明内容
本发明实施例提供一种干扰协调方法和基站, 可以消除干扰协调中的资 源碰撞问题, 提高资源利用率。
第一方面提供了一种干扰协调方法, 该方法包括: 基站为被所述基站干 扰的一个或多个第一基站分配第一几乎空白子帧; 所述基站发送第一消息给 干扰所述基站的一个或多个第二基站, 所述第一消息包含用于指示所述第一 几乎空白子帧的信息; 所述基站获取所述一个或多个第二基站为所述基站分 配的第二几乎空白子帧, 所述第二几乎空白子帧不同于所述第一几乎空白子 帧。
结合第一方面, 在第一方面的第一种可能的实现方式中, 所述第一消息 还包含用于指示禁止分配的几乎空白子帧的信息, 所述禁止分配的几乎空白 子帧包括所述第一几乎空白子帧。
结合第一方面的第一种可能的实现方式,在第一方面的第二种可能的实 现方式中, 所述基站发送第一消息给干扰所述基站的一个或多个第二基站包 括: 所述基站设置禁止分配的几乎空白子帧信息元, 并将所述禁止分配的几 乎空白子帧信息元携带在所述第一消息中发送给干扰所述基站的一个或多 个第二基站, 所述禁止分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比特代表一个子帧, 比特被置位表示禁止分配的几乎空 白子帧。
结合第一方面的第一种可能的实现方式,在第一方面的第三种可能的实 现方式中, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所述 第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或所述第二几乎空 白子帧正交于所述禁止分配的几乎空白子帧。
结合第一方面, 在第一方面的第四种可能的实现方式中, 所述第一消息 还包含用于指示允许分配的几乎空白子帧的信息, 所述允许分配的几乎空白 子帧不包括所述第一几乎空白子帧。
结合第一方面的第四种可能的实现方式,在第一方面的第五种可能的实 现方式中, 所述基站发送第一消息给干扰所述基站的一个或多个第二基站包 括: 所述基站设置允许分配的几乎空白子帧信息元, 并将所述允许分配的几 乎空白信息元携带在所述第一消息中发送给干扰所述基站的一个或多个第 二基站, 所述允许分配的几乎空白子帧信息元以比特位图的方式表示, 所述 比特位图的每一比特代表一个子帧, 比特被置位表示允许分配的几乎空白子 帧。
结合第一方面的第四种可能的实现方式,在第一方面的第六种可能的实 现方式中, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所述 第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或所述第二几乎空 白子帧为所述允许分配的几乎空白子帧的子集。
结合第一方面, 在第一方面的第七种可能的实现方式中, 所述方法还包 括: 所述基站接收所述一个或多个第一基站发送的第二消息, 所述第二消息 用于请求所述基站为所述一个或多个第一基站分配第一几乎空白子帧; 所述 基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白子帧包括: 所述基站根据所述一个或多个第一基站发送的所述第二消息为被所述基站 干扰的一个或多个第一基站分配第一几乎空白子帧。
结合第一方面或第一方面的第一种到第七种可能的实现方式中的任意 一种, 在第一方面的第八种可能的实现方式中, 所述第二几乎空白子帧不同 于所述第一几乎空白子帧包括: 所述第二几乎空白子帧正交于所述第一几乎 空白子帧。
结合第一方面或第一方面的第一种到第七种可能的实现方式中的任意 一种, 在第一方面的第九种可能的实现方式中, 所述方法还包括: 所述基站 接收所述一个或多个第一基站为被所述一个或多个第一基站干扰的一个或 多个第三基站分配的第三几乎空白子帧; 所述基站为被所述基站干扰的一个 或多个第一基站分配第一几乎空白子帧包括: 所述基站为被所述基站干扰的 一个或多个第一基站分配第一几乎空白子帧, 所述第一几乎空白子帧不同于 所述第三几乎空白子帧。
结合第一方面或第一方面的第一种到第七种可能的实现方式中的任意 一种, 在第一方面的第十种可能的实现方式中, 所述一个或多个第二基站为 所述基站分配的第二几乎空白子帧是相同的。
结合第一方面或第一方面的第一种到第七种可能的实现方式中的任意 一种, 在第一方面的第十一种可能的实现方式中, 所述基站、 所述第一基站 和所述第二基站同为宏基站, 或所述基站、 所述第一基站和所述第二基站同 为微基站, 或所述基站、 所述第一基站和所述第二基站同为微微基站。
结合第一方面或第一方面的第一种到第七种可能的实现方式中的任意 一种, 在第一方面的第十二种可能的实现方式中, 所述第一消息为请求指示 消息, 所述请求指示消息用于请求所述一个或多个第二基站为所述基站分配 第二几乎空白子帧。
第二方面提供了一种基站, 包括: 分配单元, 用于为被所述基站干扰的 一个或多个第一基站分配第一几乎空白子帧; 发送单元, 用于发送第一消息 给干扰所述基站的一个或多个第二基站, 所述第一消息包含用于指示所述第 一几乎空白子帧的信息; 获取单元, 用于获取所述一个或多个第二基站为所 述基站分配的第二几乎空白子帧, 所述第二几乎空白子帧不同于所述第一几 乎空白子帧。
结合第二方面, 在第二方面的第一种可能的实现方式中, 所述第一消息 还包含用于指示禁止分配的几乎空白子帧的信息, 所述禁止分配的几乎空白 子帧包括所述第一几乎空白子帧。
结合第二方面的第一种可能的实现方式,在第二方面的第二种可能的实 现方式中, 还包括: 第一设置单元, 用于设置禁止分配的几乎空白子帧信息 元, 所述禁止分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特 位图的每一比特代表一个子帧, 比特被置位表示禁止分配的几乎空白子帧; 所述发送单元具体用于,将所述禁止分配的几乎空白子帧信息元携带在所述 第一消息中发送给干扰所述基站的一个或多个第二基站。
结合第二方面的第一种可能的实现方式,在第二方面的第三种可能的实 现方式中, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所述 第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或所述第二几乎空 白子帧正交于所述禁止分配的几乎空白子帧。
结合第二方面, 在第二方面的第四种可能的实现方式中, 所述第一消息 还包含用于指示允许分配的几乎空白子帧的信息, 所述允许分配的几乎空白 子帧不包括所述第一几乎空白子帧。
结合第二方面的第四种可能的实现方式,在第二方面的第五种可能的实 现方式中, 还包括:
第二设置单元, 用于设置允许分配的几乎空白子帧信息元, 所述允许分 配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比特 代表一个子帧, 比特被置位表示允许分配的几乎空白子帧;
所述发送单元具体用于,将所述允许分配的几乎空白信息元携带在所述 第一消息中发送给干扰所述基站的一个或多个第二基站。
结合第二方面的第四种可能的实现方式,在第二方面的第六种可能的实 现方式中, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所述 第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或所述第二几乎空 白子帧为所述允许分配的几乎空白子帧的子集。
结合第二方面, 在第二方面的第七种可能的实现方式中, 还包括: 接收 单元, 用于接收所述一个或多个第一基站发送的第二消息, 所述第二消息用 于请求所述基站为所述一个或多个第一基站分配第一几乎空白子帧; 所述分 配单元具体用于,根据所述一个或多个第一基站发送的所述第二消息为被所 述基站干扰的一个或多个第一基站分配第一几乎空白子帧。
结合第二方面或第二方面的第一种到第七种可能的实现方式中的任意 一种, 在第二方面的第八种可能的实现方式中, 所述接收单元还用于, 接收 所述一个或多个第一基站为被所述一个或多个第一基站干扰的一个或多个 第三基站分配的第三几乎空白子帧; 所述分配单元具体用于, 为被所述基站 干扰的一个或多个第一基站分配第一几乎空白子帧, 所述第一几乎空白子帧 不同于所述第三几乎空白子帧。
结合第二方面或第二方面的第一种到第七种可能的实现方式中的任意 一种, 在第二方面的第九种可能的实现方式中, 所述第二几乎空白子帧不同 于所述第一几乎空白子帧包括: 所述第二几乎空白子帧正交于所述第一几乎 空白子帧。
结合第二方面或第二方面的第一种到第七种可能的实现方式中的任意 一种, 在第二方面的第十种可能的实现方式中, 所述一个或多个第二基站为 所述基站分配的第二几乎空白子帧是相同的。
结合第二方面或第二方面的第一种到第七种可能的实现方式中的任意 一种, 在第二方面的第十一种可能的实现方式中, 所述基站、 所述第一基站 和所述第二基站同为宏基站, 或所述基站、 所述第一基站和所述第二基站同 为微基站, 或所述基站、 所述第一基站和所述第二基站同为微微基站。
结合第二方面或第二方面的第一种到第七种可能的实现方式中的任意 一种, 在第二方面的第十二种可能的实现方式中, 所述第一消息为请求指示 消息, 所述请求指示消息用于请求所述一个或多个第二基站为所述基站分配 第二几乎空白子帧。
综上所述, 本发明实施例的干扰协调方法和基站, 可以消除干扰协调中 的资源碰撞问题, 提高资源利用率。 附图说明
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例或现有技 术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图 仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造 性劳动性的前提下, 还可以根据这些附图获得其他的附图。 图 1示出了本发明实施例提供的一种干扰协调方法的示意图。
图 2示出了本发明实施例的基站的示意性框图。
图 3示出了本发明实施例提供的基站的示意性框图。 具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是 全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作出创 造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。
应理解, 本发明的技术方案可以应用于各种通信系统, 例如: 全球移动 通讯 (英文全称: Global System of Mobile communication, 英文缩写: GSM ) 系统、码分多址(英文全称: Code Division Multiple Access,英文缩写: CDMA ) 系统、 宽带码分多址(英文全称: Wideband Code Division Multiple Access , 英文缩写: WCDMA ) 系统、 通用分组无线业务(英文全称: General Packet Radio Service, 英文缩写: GPRS )、 LTE系统、 先进的长期演进(英文全称: Advanced Long Term Evolution, 英文缩写: LTE- A ) 系统、 通用移动通信系 统(英文全称: Universal Mobile Telecommunication System,英文缩写: UMTS ) 等。
应理解, 在本发明实施例中, 用户设备(英文全称: User Equipment, 英文缩写: UE )包括但不限于移动台(英文全称: Mobile Station, 英文缩写: MS )、移动终端(英文全称: Mobile Terminal )、移动电话(英文全称: Mobile Telephone ), 手机(英文全称: handset )及便携设备(英文全称: portable equipment ) 等, 该用户设备可以经无线接入网 (英文全称: Radio Access Network , 英文缩写: RAN ) 与一个或多个核心网进行通信, 例如, 用户设 备可以是移动电话(或称为 "蜂窝" 电话)、 具有无线通信功能的计算机等, 用户设备还可以是便携式、 袖珍式、 手持式、 计算机内置的或者车载的移动 装置。
本发明实施例中, 基站可以是 GSM或 CDMA中的基站(英文全称: Base Transceiver Station, 英文缩写: BTS ), 也可以是 WCDMA 中的基站 ( NodeB ), 还可以是 LTE中的演进型基站(英文全称: evolved Node B , 英 文缩写: eNB或 e-NodeB ), 本发明实施例并不限定。 图 1示出一种干扰协调方法 100, 该方法 100例如可以由基站执行, 如 图 1所示, 该方法 100包括:
S110 ,基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白 子帧 (英文全称: Almost Blank Subframe, 英文缩写: ABS );
应理解, 基站之间的干扰指的^^站之间的信号干扰, 在微小区密集分 布时, 除了宏小区与各个微小区之间存在干扰外, 微小区之间也存在相互间 的干扰, 这时不仅宏基站(例如 macro eNB )会为受其干扰的微小区基站分 配 ABS, 微小区基站(例如, 远程射频单元 (RRH)、 微微基站 (Pico eNB), 家庭基站 (Home eNB) 或中继基站 (relay eNB)等)也会为受其干扰的微小区 基站分配 ABS以进行微小区之间的干扰协调。
S120, 所述基站发送第一消息给干扰所述基站的一个或多个第二基站, 所述第一消息包含用于指示所述第一几乎空白子帧的信息;
需要说明的是: 所述第一基站不同于所述第二基站, 所述基站可以釆取 多种方法将所述第一几乎空白子帧发送给干扰所述基站的一个或多个第二 基站, 指示几乎空白子帧的信息也可以具有多种表示方式, 这里并不构成限 制。
S130 ,所述基站获取所述一个或多个第二基站为所述基站分配的第二几 乎空白子帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧。
需要说明的是: 所述基站可以釆取多种方法获取所述第二几乎空白子 帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧也可以具有多种表 示方式, 这里并不构成限制。
应理解, 在本发明的各种实施例中, 上述各过程的序号的大小并不意味 着执行顺序的先后, 各过程的执行顺序应以其功能和内在逻辑确定, 而不应 对本发明实施例的实施过程构成任何限定。
上文中结合图 1 , 详细描述了根据本发明实施例的干扰协调方法。
下面结合具体例子, 更加详细地描述本发明实施例。 应注意, 图 1的例 子仅仅是为了帮助本领域技术人员理解本发明实施例, 而非要将本发明实施 例限于所例示的具体数值或具体场景。 本领域技术人员根据所给出的图 1例 子, 显然可以进行各种等价的修改或变化, 这样的修改或变化也落入本发明 实施例的范围内。
根据本发明的实施例, 所述第一消息为请求指示 (例如, invoke indication )消息, 所述请求指示消息用于请求所述一个或多个第二基站为所 述基站分配第二几乎空白子帧。
需要说明的是: 所述请求指示消息包含请求指示 (invoke indication)信息 元(英文全称: information element, 英文缩写: IE ), 该请求指示信息元指 示发送基站期望接收基站发回何种信息。
可选的, 所述第一消息还包含用于指示禁止分配的几乎空白子帧的信 息, 所述禁止分配的几乎空白子帧包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将禁止分配的几乎空白子帧携带 在该第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构成 限制。
可选的, 所述基站发送第一消息给干扰所述基站的一个或多个第二基站 包括: 所述基站设置禁止分配的几乎空白子帧信息元, 并将所述禁止分配的 几乎空白子帧信息元携带在所述第一消息中发送给干扰所述基站的一个或 多个第二基站, 所述禁止分配的几乎空白子帧信息元以比特位图的方式表 示, 所述比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示禁止分配的几乎空白子帧。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 该请求指示信息元指示 发送基站期望接收基站发回何种信息, 除了在现有请求指示中包含 ABS信 息, 表明期望分配 ABS模式信息外, 增加禁止分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该禁止分配的几乎空白子帧信息。
需要说明的是: 所述禁止分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧已经被基站分配作为 ABS资源, 为避免第二基站的干扰, 因此期望第二基站禁止分配该子帧做为第二基站的 ABS资源; 比特未置位(即比特被赋值为 0 )用于表示相反意义, 即允许第 二基站分配的 ABS资源。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或所述第二几乎 空白子帧正交于所述禁止分配的几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 所述第一消息还包含用于指示允许分配的几乎空白子帧的信 息, 所述允许分配的几乎空白子帧不包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将允许分配的几乎空白子帧携带 在所述第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构 成限制。
可选的, 所述基站发送第一消息给干扰所述基站的一个或多个第二基站 包括: 所述基站设置允许分配的几乎空白子帧信息元, 并将所述允许分配的 几乎空白信息元携带在所述第一消息中发送给干扰所述基站的一个或多个 第二基站, 所述允许分配的几乎空白子帧信息元以比特位图的方式表示, 所 述比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表 示允许分配的几乎空白子帧。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 该请求指示信息元指示 发送基站期望接收基站发回何种信息, 除了在所述第一消息中包含 ABS信 息, 表明期望分配 ABS模式信息外, 增加允许分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该允许分配的几乎空白子帧信息。
需要说明的是: 所述允许分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧没有被基站分配作为 ABS资源, 为避免第二基站的干扰,因此期望第二基站分配该子帧做为第二基站的 ABS 资源; 比特未置位(即比特被赋值为 0 )用于表示相反意义, 即禁止第二基 站分配的 ABS资源。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或所述第二几乎 空白子帧为所述允许分配的几乎空白子帧的子集。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧正交于所述第一几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 所述方法还包括:
所述基站接收所述一个或多个第一基站发送的第三消息,所述第三消息 用于请求所述基站为所述一个或多个第一基站分配第一几乎空白子帧;
所述基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白 子帧包括: 所述基站根据所述一个或多个第一基站发送的所述第三消息为被 所述基站干扰的一个或多个第一基站分配第一几乎空白子帧。
需要说明的是,基站可以主动为第一基站分配 ABS,也可以根据第一基 站发送的请求指示消息来分配 ABS。
可选的, 所述方法还包括:
所述基站接收所述一个或多个第一基站为被所述一个或多个第一基站 干扰的一个或多个第三基站分配的第三几乎空白子帧; 所述基站为被所述基 站干扰的一个或多个第一基站分配第一几乎空白子帧包括: 所述基站为被所 述基站干扰的一个或多个第一基站分配第一几乎空白子帧, 所述第一几乎空 白子帧不同于所述第三几乎空白子帧。
可理解, 所述基站在获取第一基站为被所述一个或多个第一基站干扰的 一个或多个第三基站分配的第三 ABS信息后, 所述基站为第一基站分配不 同于所述第三 ABS的 ABS资源, 可以消除小区之间干扰协调中的 ABS资 源碰撞问题, 提高了资源利用率。
可选的, 所述一个或多个第二基站为所述基站分配的第二几乎空白子帧 是相同的。
应理解, 由于用户设备需要在 ABS上对小区进行测量, 因此多个第二 基站分配相同的 ABS方便用户设备对多个第二基站所在小区进行网络测量, 有利于用户设备的通信建立、 切换等过程。
可选的, 所述基站、 所述第一基站和所述第二基站同为宏基站 (macro eNB ) ,或所述基站、所述第一基站和所述第二基站同为微基站( micro eNB ), 或所述基站、 所述第一基站和所述第二基站同为微微基站(pico eNB )。
应理解, 实施例中的所述基站、 所述第一基站和所述第二基站可以都是 macro eNB, 也可以都是 micro eNB , 或都是 pico eNB;
实施例中的所述基站、 所述第一基站和所述第二基站也可以分别是 macro eNB、 micro eNB 和 pico eNB中的任意一种。 因此, 本发明实施例提供的干扰协调方法, 利用所述一个或多个第二基 站为所述基站分配的第二几乎空白子帧不同于所述基站为被所述基站干扰 的一个或多个第一基站分配的第一几乎空白子帧可以消除干扰协调中的资 源碰撞问题, 提高资源利用率。
上文中结合图 1详细描述了根据本发明实施例的干扰协调方法, 下面将 结合图 2, 详细描述根据本发明实施例的基站。
图 2示出了根据本发明实施例的基站 200的示意性框图。 如图 2所示, 该基站 200包括:
分配单元 201 , 用于为被所述基站干扰的一个或多个第一基站分配第一 几乎空白子帧 (英文全称: Almost Blank Subframe, 英文缩写: ABS ); 应理解, 基站之间的干扰指的^^站之间的信号干扰, 在微小区密集分 布时, 除了宏小区与各个微小区之间存在干扰外, 微小区之间也存在相互间 的干扰, 这时不仅宏基站(例如 macro eNB )会为受其干扰的微小区基站分 配 ABS, 微小区基站(例如, 远程射频单元 (RRH)、 微微基站 (Pico eNB), 家庭基站 (Home eNB) 或中继基站 (relay eNB)等), 也会为受其干扰的微小区 分配 ABS以进行微小区之间的干扰协调。
发送单元 202 , 用于发送第一消息给干扰所述基站的一个或多个第二基 站, 所述第一消息包含用于指示所述第一几乎空白子帧的信息;
需要说明的是: 所述第一基站不同于所述第二基站, 所述基站可以釆取 多种方法将第一几乎空白子帧发送给干扰所述基站的一个或多个第二基站, 指示第一几乎空白子帧的信息也可以具有多种表示方式, 这里并不构成限 制。
获取单元 203 , 用于获取所述一个或多个第二基站为所述基站分配的第 二几乎空白子帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧。
需要说明的是: 所述基站可以釆取多种方法获取所述第二几乎空白子 帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧也可以具有多种表 示方式, 这里并不构成限制。
上文中结合图 2, 从详细描述了根据本发明实施例的基站。
下面结合具体例子, 更加详细地描述本发明实施例。 应注意, 图 2的例 子仅仅是为了帮助本领域技术人员理解本发明实施例, 而非要将本发明实施 例限于所例示的具体数值或具体场景。 本领域技术人员根据所给出的图 2例 子, 显然可以进行各种等价的修改或变化, 这样的修改或变化也落入本发明 实施例的范围内。
根据本发明的实施例, 所述第一消息为请求指示( invoke indication )消 息, 所述请求指示消息用于请求所述一个或多个第二基站为所述基站分配第 二几乎空白子帧。
需要说明的是: 所述请求指示消息包含请求指示 (invoke indication)信息 元(英文全称: information element, 英文缩写: IE ), 所述请求指示信息元 指示发送基站期望接收基站发回何种信息。
可选的, 所述第一消息还包含用于指示禁止分配的几乎空白子帧的信 息, 所述禁止分配的几乎空白子帧包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将禁止分配的几乎空白子帧携带 在所述第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构 成限制。
可选的, 所述基站 200还包括:
第一设置单元 204, 用于设置禁止分配的几乎空白子帧信息元, 所述禁 止分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一 比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示禁止分配的几乎 空白子帧;
所述发送单元 202具体用于,将所述禁止分配的几乎空白子帧信息元携 带在所述第一消息中发送给干扰所述基站的一个或多个第二基站。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 该请求指示信息元指示 发送基站期望接收基站发回何种信息, 除了在现有请求指示中包含 ABS信 息, 表明期望分配 ABS模式信息外, 增加禁止分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该禁止分配的几乎空白子帧信息。
需要说明的是: 所述禁止分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧已经被基站分配作为 ABS资源, 为避免第二基站的干扰, 因此期望第二基站禁止分配该子帧做为第二基站的 ABS资源; 比特未置位(即比特被赋值为 0 )用于表示相反意义, 即允许第 二基站分配的 ABS资源。 可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或所述第二几乎 空白子帧正交于所述禁止分配的几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 所述第一消息还包含用于指示允许分配的几乎空白子帧的信 息, 所述允许分配的几乎空白子帧不包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将允许分配的几乎空白子帧携带 在所述第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构 成限制。
可选的, 所述基站 200还包括:
第二设置单元 205 , 用于设置允许分配的几乎空白子帧信息元, 所述允 许分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一 比特代表一个子帧, 比特被置位 (即比特被赋值为 1 )表示允许分配的几乎 空白子帧;
所述发送单元 202具体用于,将所述允许分配的几乎空白信息元携带在 所述第一消息中发送给干扰所述基站的一个或多个第二基站。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 该请求指示信息元指示 发送基站期望接收基站发回何种信息, 除了在所述第一消息中包含 ABS信 息, 表明期望分配 ABS模式信息外, 增加允许分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该允许分配的几乎空白子帧信息。
需要说明的是: 所述允许分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧没有被所述基站分配作为 ABS 资源, 为避免第二基站的干扰, 因此期望第二基站分配该子帧做为第二基站 的 ABS资源; 比特未置位 (即比特被赋值为 0 )用于表示相反意义, 即禁止 第二基站分配的 ABS资源。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或所述第二几乎 空白子帧为所述允许分配的几乎空白子帧的子集。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧正交于所述第一几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 所述基站 200还包括:
接收单元 206, 用于接收所述一个或多个第一基站发送的第三消息, 所 述第三消息用于请求所述基站为所述一个或多个第一基站分配第一几乎空 白子帧;
所述分配单元 201具体用于,根据所述一个或多个第一基站发送的所述 第三消息为被所述基站干扰的一个或多个第一基站分配第一几乎空白子帧。
需要说明的是, 基站可以主动为被所述基站干扰的第一基站分配 ABS, 也可以根据第一基站发送的请求指示消息来分配 ABS。
可选的, 所述接收单元 206还用于, 接收所述一个或多个第一基站为被 所述一个或多个第一基站干扰的一个或多个第三基站分配的第三几乎空白 子帧;
所述分配单元 201具体用于, 为被所述基站干扰的一个或多个第一基站 分配第一几乎空白子帧, 所述第一几乎空白子帧不同于所述第三几乎空白子 帧。
可理解, 第一基站不同于第三基站, 所述基站在获取第一基站为被所述 第一基站干扰的第三基站分配的第三 ABS信息后, 所述基站为所述第一基 站分配不同于所述第三 ABS的 ABS资源, 可以消除小区之间干扰协调中的 ABS资源碰撞问题, 提高了资源利用率。
可选的, 所述一个或多个第二基站为所述基站分配的第二几乎空白子帧 是相同的。
应理解, 由于用户设备需要在 ABS上对小区进行测量, 因此多个第二 基站分配相同的 ABS方便用户设备对多个第二基站进行网络测量, 有利于 用户设备的通信建立、 切换等过程。
可选的, 所述基站、 所述第一基站和所述第二基站同为宏基站 (macro eNB ) ,或所述基站、所述第一基站和所述第二基站同为微基站( micro eNB ), 或所述基站、 所述第一基站和所述第二基站同为微微基站(pico eNB )。 应理解, 实施例中的所述基站、 所述第一基站和所述第二基站可以都是 macro eNB , 也可以都是 micro eNB , 或都是 pico eNB;
实施例中的所述基站、 所述第一基站和所述第二基站也可以分别是 macro eNB、 micro eNB 和 pico eNB中的任意一种。
因此, 本发明实施例提供的基站, 利用所述一个或多个第二基站为所述 基站分配的第二几乎空白子帧不同于所述基站为被所述基站干扰的一个或 多个第一基站分配的第一几乎空白子帧可以消除干扰协调中的资源碰撞问 题, 提高资源利用率。
从另一种实现方式来看, 如图 3所示, 本发明实施例还提供了一种基站 300, 该基站 300包括处理器 310、 存储器 320、 总线系统 330、 接收器 340 和发送器 350。 其中, 处理器 310、 存储器 320、 接收器 340和发送器 350 利用总线系统 330相连, 该存储器 320用于存储指令, 该处理器 310用于执 行该存储器 320存储的指令, 以控制接收器 340接收信号或指令或消息, 并 控制发送器 350发送信号或信令或消息等。 其中, 该处理器 310, 用于为被 所述基站干扰的一个或多个第一基站分配第一几乎空白子帧; 该发送器 350 用于发送第一消息给干扰所述基站的一个或多个第二基站, 所述第一消息包 含用于指示所述第一几乎空白子帧的信息; 该接收器 340用于获取所述一个 或多个第二基站为所述基站分配的第二几乎空白子帧, 所述第二几乎空白子 帧不同于所述第一几乎空白子帧。
可选的, 所述第一消息为请求指示( invoke indication )消息, 所述请求 指示消息用于请求所述一个或多个第二基站为所述基站分配第二几乎空白 子帧。
需要说明的是: 所述请求指示消息包含请求指示 (invoke indication)信息 元(英文全称: information element, 英文缩写: IE ), 所述请求指示信息元 指示发送基站期望接收基站发回何种信息。
可选的, 所述第一消息还包含用于指示禁止分配的几乎空白子帧的信 息, 所述禁止分配的几乎空白子帧包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将禁止分配的几乎空白子帧携带 在所述第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构 成限制。 可选的, 该处理器 310设置禁止分配的几乎空白子帧信息元, 所述禁止 分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比 特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示禁止分配的几乎空 白子帧;
该发送器 350将所述禁止分配的几乎空白子帧信息元携带在所述第一消 息中发送给干扰所述基站的一个或多个第二基站。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 所述请求指示信息元指 示发送基站期望接收基站发回何种信息, 除了在现有请求指示中包含 ABS 信息, 表明期望分配 ABS模式信息外, 增加禁止分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该禁止分配的几乎空白子帧信息。
需要说明的是: 所述禁止分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧已经被基站分配作为 ABS资源, 为避免第二基站的干扰, 因此期望第二基站禁止分配该子帧做为第二基站的 ABS资源; 比特未置位(即比特被赋值为 0 )用于表示相反意义, 即允许第 二基站分配的 ABS资源。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或所述第二几乎 空白子帧正交于所述禁止分配的几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 所述第一消息还包含用于指示允许分配的几乎空白子帧的信 息, 所述允许分配的几乎空白子帧不包括所述第一几乎空白子帧。
需要说明的是: 基站可以釆取多种方法将允许分配的几乎空白子帧携带 在所述第一消息中发送给干扰所述基站的一个或多个第二基站, 这里并不构 成限制。
可选的, 该处理器 310设置允许分配的几乎空白子帧信息元, 所述允许 分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比 特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示允许分配的几乎空 白子帧;
该发送器 350将所述允许分配的几乎空白信息元携带在所述第一消息中 发送给干扰所述基站的一个或多个第二基站。
需要说明的是: 所述第一消息包括请求指示(invoke indication)信息元 (英文全称: information element, 英文缩写: IE ), 所述请求指示信息元指 示发送基站期望接收基站发回何种信息, 除了在所述第一消息中包含 ABS 信息, 表明期望分配 ABS模式信息外, 增加允许分配的几乎空白子帧信息, 期望接收基站在分配 ABS时, 同时考虑该允许分配的几乎空白子帧信息。
需要说明的是: 所述允许分配的几乎空白子帧信息元可以用比特位图 (例如可以是 70比特)的方式表示; 该比特位图的每一比特代表一个子帧, 比特被置位(即比特被赋值为 1 )表示该子帧没有被所述基站分配作为 ABS 资源, 为避免第二基站的干扰, 因此期望第二基站分配该子帧做为第二基站 的 ABS资源; 比特未置位 (即比特被赋值为 0 )用于表示相反意义, 即禁止 第二基站分配的 ABS资源。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或所述第二几乎 空白子帧为所述允许分配的几乎空白子帧的子集。
可选的, 所述第二几乎空白子帧不同于所述第一几乎空白子帧包括: 所 述第二几乎空白子帧正交于所述第一几乎空白子帧。
应理解, 在釆用正交频分复用技术(英文全称: Orthogonal Frequency Division Multiplexing , 英文缩写: OFDM )的通信系统中, 例如 LTE通信系 统中, 不同的子载波或子帧之间是互相正交的。
可选的, 该接收器 340接收所述一个或多个第一基站发送的第三消息, 所述第三消息用于请求所述基站为所述一个或多个第一基站分配第一几乎 空白子帧;
该处理器 310根据所述一个或多个第一基站发送的所述第三消息为被所 述基站干扰的一个或多个第一基站分配第一几乎空白子帧。
需要说明的是, 基站可以主动为被所述基站干扰的第一基站分配 ABS, 也可以根据第一基站发送的请求指示消息来分配 ABS。
可选的, 该接收器 340接收所述一个或多个第一基站为被所述一个或多 个第一基站干扰的一个或多个第三基站分配的第三几乎空白子帧; 该处理器 310为被所述基站干扰的一个或多个第一基站分配第一几乎空 白子帧, 所述第一几乎空白子帧不同于所述第三几乎空白子帧。
可理解, 第一基站不同于第三基站, 所述基站在获取第一基站为被所述 第一基站干扰的第三基站分配的第三 ABS信息后, 所述基站为所述第一基 站分配不同于所述第三 ABS的 ABS资源, 可以消除小区之间干扰协调中的 ABS资源碰撞问题, 提高了资源利用率。
可选的, 所述一个或多个第二基站为所述基站分配的第二几乎空白子帧 是相同的。
应理解, 由于用户设备需要在 ABS上对小区进行测量, 因此多个第二 基站分配相同的 ABS方便用户设备对多个第二基站进行网络测量, 有利于 用户设备的通信建立、 切换等过程。
可选的, 所述基站、 所述第一基站和所述第二基站同为宏基站 (macro eNB ) ,或所述基站、所述第一基站和所述第二基站同为微基站( micro eNB ), 或所述基站、 所述第一基站和所述第二基站同为微微基站(pico eNB )。
应理解, 实施例中的所述基站、 所述第一基站和所述第二基站可以都是 macro eNB, 也可以都是 micro eNB , 或都是 pico eNB;
实施例中的所述基站、 所述第一基站和所述第二基站也可以分别是 macro eNB, micro eNB 和 pico eNB中的任意一种, 这里不做为限定。
应理解,在本发明实施例中,该处理器 310可以是中央处理单元( Central Processing Unit, 简称为 "CPU" ), 该处理器 310还可以是其他通用处理器、 数字信号处理器(DSP )、专用集成电路(ASIC )、现成可编程门阵列(FPGA ) 或者其他可编程逻辑器件、 分立门或者晶体管逻辑器件、 分立硬件组件等。 通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器 320可以包括只读存储器和随机存取存储器, 并向处理器 310 提供指令和数据。存储器 320的一部分还可以包括非易失性随机存取存储器。 例如, 存储器 320还可以存储设备类型的信息。
该总线系统 330除包括数据总线之外, 还可以包括电源总线、 控制总线 和状态信号总线等。 但是为了清楚说明起见, 在图中将各种总线都标为总线 系统 330。
在实现过程中,上述方法的各步骤可以利用处理器 310中的硬件的集成 逻辑电路或者软件形式的指令完成。 结合本发明实施例所公开的方法的步骤 可以直接体现为硬件处理器执行完成, 或者用处理器中的硬件及软件模块组 合执行完成。 软件模块可以位于随机存储器, 闪存、 只读存储器, 可编程只 读存储器或者电可擦写可编程存储器、 寄存器等本领域成熟的存储介质中。 该存储介质位于存储器 320, 处理器 310读取存储器 320中的信息, 结合其 硬件完成上述方法的步骤。 为避免重复, 这里不再详细描述。
应理解,根据本发明实施例的基站 200可对应于本发明实施例的传输信 息的方法中的基站,并且基站 200中的各个模块的上述和其它操作和 /或功能 分别为了实现图 1的各个方法的相应流程, 为了简洁, 在此不再赘述。
此外, 还提供一种计算可读媒体(或介质), 包括在被执行时进行以下 操作的计算机可读指令: 执行上述实施例中的方法的 S110至 S130的操作。
另外, 还提供一种计算机程序产品, 包括上述计算机可读介质。
因此, 本发明实施例提供的基站, 利用所述一个或多个第二基站为所述 基站分配的第二几乎空白子帧不同于所述基站为被所述基站干扰的一个或 多个第一基站分配的第一几乎空白子帧可以消除干扰协调中的资源碰撞问 题, 提高资源利用率。
需要说明的是: 全文中提及的信息包括但不限于: 指示, 信号, 信令或 消息等, 此处不做限定。
应理解, 本文中术语 "和 /或", 仅仅是一种描述关联对象的关联关系, 表示可以存在三种关系, 例如, A和 /或 B, 可以表示: 单独存在 A, 同时存 在 A和 B, 单独存在 B这三种情况。 另外, 本文中字符 "/" , 一般表示前后 关联对象是一种 "或" 的关系。
应理解, 在本发明的各种实施例中, 上述各过程的序号的大小并不意味 着执行顺序的先后, 各过程的执行顺序应以其功能和内在逻辑确定, 而不应 对本发明实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各 示例的单元及算法步骤, 能够以电子硬件、 或者计算机软件和电子硬件的结 合来实现。 这些功能究竟以硬件还是软件方式来执行, 取决于技术方案的特 定应用和设计约束条件。 专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能, 但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到, 为描述的方便和简洁, 上述描 述的系统、 装置和单元的具体工作过程, 可以参考前述方法实施例中的对应 过程, 在此不再赘述。
在本申请所提供的几个实施例中, 应该理解到, 所揭露的系统、 装置和 方法, 可以利用其它的方式实现。 例如, 以上所描述的装置实施例仅仅是示 意性的, 例如, 所述单元的划分, 仅仅为一种逻辑功能划分, 实际实现时可 以有另外的划分方式, 例如多个单元或组件可以结合或者可以集成到另一个 系统, 或一些特征可以忽略, 或不执行。 另一点, 所显示或讨论的相互之间 的耦合或直接耦合或通信连接可以是利用一些接口, 装置或单元的间接耦合 或通信连接, 可以是电性, 机械或其它的形式。 为单元显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或 者全部单元来实现本实施例方案的目的。
另外, 在本发明各个实施例中的各功能单元可以集成在一个处理单元 中, 也可以是各个单元单独物理存在, 也可以两个或两个以上单元集成在一 个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使 用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发明 的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部 分可以以软件产品的形式体现出来, 该计算机软件产品存储在一个存储介质 中, 包括若干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。 而前 述的存储介质包括: U盘、移动硬盘、只读存储器( ROM, Read-Only Memory )、 随机存取存储器(RAM, Random Access Memory ), 磁碟或者光盘等各种可 以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限 于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护 范围应以所述权利要求的保护范围为准。

Claims

权利要求
1、 一种干扰协调方法, 其特征在于, 包括:
基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白子帧; 所述基站发送第一消息给干扰所述基站的一个或多个第二基站, 所述第 一消息包含用于指示所述第一几乎空白子帧的信息;
所述基站获取所述一个或多个第二基站为所述基站分配的第二几乎空 白子帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧。
2、 根据权利要求 1 所述的方法, 其特征在于, 所述第一消息还包含用 于指示禁止分配的几乎空白子帧的信息, 所述禁止分配的几乎空白子帧包括 所述第一几乎空白子帧。
3、 根据权利要求 2所述的方法, 其特征在于, 所述基站发送第一消息 给干扰所述基站的一个或多个第二基站包括:
所述基站设置禁止分配的几乎空白子帧信息元, 并将所述禁止分配的几 乎空白子帧信息元携带在所述第一消息中发送给干扰所述基站的一个或多 个第二基站, 所述禁止分配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比特代表一个子帧, 比特被置位表示禁止分配的几乎空 白子帧。
4、 根据权利要求 2所述的方法, 其特征在于, 所述第二几乎空白子帧 不同于所述第一几乎空白子帧包括:
所述第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或 所述第二几乎空白子帧正交于所述禁止分配的几乎空白子帧。
5、 根据权利要求 1 所述的方法, 其特征在于, 所述第一消息还包含用 于指示允许分配的几乎空白子帧的信息, 所述允许分配的几乎空白子帧不包 括所述第一几乎空白子帧。
6、 根据权利要求 5所述的方法, 其特征在于, 所述基站发送第一消息 给干扰所述基站的一个或多个第二基站包括:
所述基站设置允许分配的几乎空白子帧信息元, 并将所述允许分配的几 乎空白信息元携带在所述第一消息中发送给干扰所述基站的一个或多个第 二基站, 所述允许分配的几乎空白子帧信息元以比特位图的方式表示, 所述 比特位图的每一比特代表一个子帧, 比特被置位表示允许分配的几乎空白子 帧。
7、 根据权利要求 5所述的方法, 其特征在于, 所述第二几乎空白子帧 不同于所述第一几乎空白子帧包括:
所述第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或 所述第二几乎空白子帧为所述允许分配的几乎空白子帧的子集。
8、 根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 所述基站接收所述一个或多个第一基站发送的第二消息, 所述第二消息 用于请求所述基站为所述一个或多个第一基站分配第一几乎空白子帧; 所述基站为被所述基站干扰的一个或多个第一基站分配第一几乎空白 子帧包括:
所述基站根据所述一个或多个第一基站发送的所述第二消息为被所述 基站干扰的一个或多个第一基站分配第一几乎空白子帧。
9、 根据权利要求 1-8 中任一项所述的方法, 其特征在于, 所述第一消 息为请求指示消息, 所述请求指示消息用于请求所述一个或多个第二基站为 所述基站分配第二几乎空白子帧。
10、 一种基站, 其特征在于, 包括:
分配单元, 用于为被所述基站干扰的一个或多个第一基站分配第一几乎 空白子帧;
发送单元, 用于发送第一消息给干扰所述基站的一个或多个第二基站, 所述第一消息包含用于指示所述第一几乎空白子帧的信息;
获取单元, 用于获取所述一个或多个第二基站为所述基站分配的第二几 乎空白子帧, 所述第二几乎空白子帧不同于所述第一几乎空白子帧。
11、 根据权利要求 10所述的基站, 其特征在于, 所述第一消息还包含 用于指示禁止分配的几乎空白子帧的信息, 所述禁止分配的几乎空白子帧包 括所述第一几乎空白子帧。
12、 根据权利要求 11所述的基站, 其特征在于, 还包括:
第一设置单元, 用于设置禁止分配的几乎空白子帧信息元, 所述禁止分 配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比特 代表一个子帧, 比特被置位表示禁止分配的几乎空白子帧;
所述发送单元具体用于,将所述禁止分配的几乎空白子帧信息元携带在 所述第一消息中发送给干扰所述基站的一个或多个第二基站。
13、 根据权利要求 11 所述的基站, 其特征在于, 所述第二几乎空白子 帧不同于所述第一几乎空白子帧包括:
所述第二几乎空白子帧不同于所述禁止分配的几乎空白子帧, 或 所述第二几乎空白子帧正交于所述禁止分配的几乎空白子帧。
14、 根据权利要求 10所述的基站, 其特征在于, 所述第一消息还包含 用于指示允许分配的几乎空白子帧的信息, 所述允许分配的几乎空白子帧不 包括所述第一几乎空白子帧。
15、 根据权利要求 14所述的基站, 其特征在于, 还包括:
第二设置单元, 用于设置允许分配的几乎空白子帧信息元, 所述允许分 配的几乎空白子帧信息元以比特位图的方式表示, 所述比特位图的每一比特 代表一个子帧, 比特被置位表示允许分配的几乎空白子帧;
所述发送单元具体用于,将所述允许分配的几乎空白信息元携带在所述 第一消息中发送给干扰所述基站的一个或多个第二基站。
16、 根据权利要求 14所述的基站, 其特征在于, 所述第二几乎空白子 帧不同于所述第一几乎空白子帧包括:
所述第二几乎空白子帧与所述允许分配的几乎空白子帧相同, 或 所述第二几乎空白子帧为所述允许分配的几乎空白子帧的子集。
17、 根据权利要求 10所述的基站, 其特征在于, 还包括
接收单元, 用于接收所述一个或多个第一基站发送的第二消息, 所述第 二消息用于请求所述基站为所述一个或多个第一基站分配第一几乎空白子 帧;
所述分配单元具体用于,根据所述一个或多个第一基站发送的所述第二 消息为被所述基站干扰的一个或多个第一基站分配第一几乎空白子帧。
18、 根据权利要求 10-17中任一项所述的基站, 其特征在于, 所述第一 消息为请求指示消息, 所述请求指示消息用于请求所述一个或多个第二基站 为所述基站分配第二几乎空白子帧。
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