WO2016091032A1 - 一种实现小区标识处理的方法及装置 - Google Patents

一种实现小区标识处理的方法及装置 Download PDF

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WO2016091032A1
WO2016091032A1 PCT/CN2015/093438 CN2015093438W WO2016091032A1 WO 2016091032 A1 WO2016091032 A1 WO 2016091032A1 CN 2015093438 W CN2015093438 W CN 2015093438W WO 2016091032 A1 WO2016091032 A1 WO 2016091032A1
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node
type
conflict
cell identifier
identifier
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PCT/CN2015/093438
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English (en)
French (fr)
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毕峰
苟伟
赵亚军
戴博
彭佛才
李新彩
杨玲
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中兴通讯股份有限公司
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Publication of WO2016091032A1 publication Critical patent/WO2016091032A1/zh

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    • 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

Definitions

  • the present application relates to, but is not limited to, mobile communication technologies, and in particular, to a method and apparatus for implementing cell identity processing.
  • LTE LTE is evolving and evolving.
  • the LTE Rel-13 version begins to be researched.
  • One of the important items in Rel-13 is that the LTE system works with unlicensed carriers. This technology will enable LTE systems to use existing unlicensed carriers, greatly increasing the potential spectrum resources of LTE systems, enabling LTE systems to achieve lower spectrum costs.
  • Unlicensed carriers have the advantages of zero cost, low admission requirements, and resource sharing. At the same time, there are many features such as multiple wireless access technologies, multiple wireless access sites, and many applications, which brings problems such as system cooperation and management overhead.
  • the LTE system deploys the LTE system in the same geographical location to use the unlicensed carrier, and the LTE system uses the authorized carrier in the same geographical location as the multiple carriers.
  • the former causes the interference between the LTE systems to become very serious. This is because when the unlicensed carrier is used, the same carrier frequency may be used in the same coverage area of the operator. In particular, when the physical cell identifier corresponding to the cell deployed by multiple operators is the same, the physical cell identifier is generated. Conflicts lead to more serious interference.
  • the embodiments of the present invention provide a method and system for implementing cell identity processing to solve the technical problem of how to avoid effective physical cell identity conflict.
  • An embodiment of the present application provides a method for implementing cell identity processing, including:
  • the corresponding cell identifier is used to avoid the conflict by re-determining the cell identifier;
  • the new cell identifier is another physical cell identifier or a virtual cell identifier that does not conflict with the physical cell.
  • the method further includes: determining, by using a pre-agreed rule, a corresponding physical cell identifier of each operator when the network deployment or the first type of node is powered on.
  • the first type of node includes: a base station, an access point, a relay station, a micro base station Pico or a home base station HeNB.
  • the determining, by the re-determination of the cell identifier, the corresponding new cell identifier for avoiding the conflict includes:
  • the cell identity re-determination is performed by the first type of node, or the cell identity re-determination is performed by the second type of node assistance mode, and a corresponding new cell identity for avoiding the conflict is determined.
  • the first type of node includes: a base station, an access point, a relay station, a Pico, or an HeNB;
  • the second type of node includes: a user equipment or a terminal.
  • the method further includes: the new cell identifier notifying the second type of node by using an authorized carrier or other unlicensed carrier that has been occupied by the first type of node, and/or the second type of node.
  • the re-determination of the carrier to avoid PCI collisions includes:
  • re-acquiring other available unlicensed carriers comprises: notifying or confirming as an available unlicensed carrier by an authorized carrier or other unlicensed carrier that has been occupied by the first type of node, and/or the second type of node.
  • other available unlicensed carriers are different in carrier frequency, and/or are not flushed with the PCI Unexplained unlicensed carrier.
  • increasing the range of available physical cell identifiers includes:
  • R is a positive integer.
  • determining, by using a pre-agreed rule, the corresponding available physical cell identifier of each operator includes:
  • the M operators can respectively use X m available physical cell identifiers
  • N ⁇ X m , m ⁇ 0,1,2,...,M-1 ⁇ .
  • performing cell identity re-determination by the first type of node includes:
  • the cell identity re-determination is performed to determine a corresponding new cell identifier for avoiding the conflict.
  • performing cell identity re-determination by using the second type of node assistance manner includes:
  • the second type of node When the second type of node identifies a PCI conflict with the neighboring first type of node, the information of the feedback conflict is sent to the neighboring first type of node, and the neighboring first type of node performs cell identification redetermination according to the feedback conflict information. Determine the corresponding new cell identity to avoid collisions.
  • performing cell identity re-determination by using the second type of node assistance manner includes:
  • the virtual cell identifier VCI configured in advance by the neighboring first type of node is determined as a new cell identifier for avoiding conflict
  • the new cell identity is used to generate a random sequence, or to modulate data, or to modulate a signal.
  • the re-determination by the cell identity includes:
  • the first type of node randomly generates a new cell identifier by using a time index according to the identifier corresponding to the operator; or, the OAM reconfigures the new cell identifier;
  • the new cell identifier is another physical cell identifier or a virtual cell identifier that does not conflict with the physical cell.
  • the application further provides a system for implementing cell identity processing, including: identifying a conflict processing device;
  • the identifier conflict processing device is configured to: when the physical cell identifier PCI conflicts, determine, by using a re-determination of the cell identifier, a corresponding new cell identifier for avoiding the conflict; or
  • the new cell identifier is another physical cell identifier or a virtual cell identifier that does not conflict with the physical cell.
  • the system further includes a contract identifying device configured to determine, according to a pre-agreed rule, a corresponding physical cell identifier of each operator when performing network deployment or powering on the first type of node.
  • a contract identifying device configured to determine, according to a pre-agreed rule, a corresponding physical cell identifier of each operator when performing network deployment or powering on the first type of node.
  • system further includes conflict determination means, configured to determine whether the PCI conflicts;
  • PCI conflicts include: PCI conflicts between different operators.
  • the identification conflict processing device is set to,
  • the first type node or the second type node is set to be set to the first type of node, and is set to perform cell identification re-determination by the first type of node when the PCI conflict occurs, and determine a corresponding new one for avoiding conflict.
  • a cell identifier when it is set in the second type of node, when the physical cell identifier PCI conflicts, the cell identity re-determination is performed by the second type of node assistance mode, and the corresponding new cell identifier for avoiding the conflict is determined; or ,
  • the first type of node includes: a base station, an access point, a relay station, a micro base station Pico or a home base station HeNB;
  • the second type of node includes: a user equipment or a terminal.
  • the system further comprises a notification device, configured to: when the identification conflict processing device determines the corresponding new cell identifier for avoiding conflict by the re-determination of the cell identifier,
  • the new cell identity passes the authorized carrier or other has been described by the first type of node, and/or the second class
  • the unlicensed carrier occupied by the node notifies the second type of node.
  • the identification conflict processing device is set to,
  • the corresponding cell identifier is used to avoid the conflict by re-determining the cell identifier;
  • the identification conflict processing device is set to,
  • the corresponding cell identifier is used to avoid the conflict by re-determining the cell identifier;
  • unlicensed carriers having different carrier frequencies and/or not colliding with the PCI.
  • the identification conflict processing device is set to,
  • the corresponding cell identifier is used to avoid the conflict by re-determining the cell identifier;
  • R is a positive integer.
  • the appointment identification device is set to,
  • N ⁇ X m , m ⁇ 0,1,2,...,M-1 ⁇ .
  • the identification conflict processing device is set to,
  • the first type node or the second type node is set to be set to the first type of node, and is configured to identify a PCI conflict with the neighboring first type node when the network is deployed or powered on by the first type of node.
  • the first type of node performs cell identification re-determination
  • the corresponding new cell identifier for avoiding conflict is determined
  • the second type of node is set to identify and neighbor the first type of node.
  • the PCI conflicts the information of the feedback conflict is sent to the neighboring first type of node, and the neighboring first type of node performs cell identity redetermination according to the feedback conflict information, and determines a corresponding new cell identifier for avoiding the conflict. ;or,
  • the identifier conflict processing device is configured to
  • the first type node or the second type node is set to be set to the first type of node, and is set to perform cell identification re-determination by the first type of node when the PCI conflict occurs, and determine a corresponding new one for avoiding conflict.
  • the cell identifier is determined when the second type of node is configured to identify a PCI conflict with the neighboring first type of node, and the virtual cell identifier VCI configured in advance by the neighboring first type of node is determined. a new cell identity for avoiding collisions; the new cell identity is used to generate a random sequence, or to modulate data, or to modulate a signal; or,
  • the identifier conflict processing device is configured to: when the physical cell identifier PCI conflicts,
  • the first type of node randomly generates a new cell identifier by using a time index according to the identifier corresponding to the operator; or, the OAM reconfigures a new cell identifier; the new cell identifier is another physics that does not conflict with the physical cell.
  • An embodiment of the present invention further provides a computer storage medium, where the computer storage medium is stored Computer executable instructions are stored for performing the methods described above.
  • the technical solution provided by the embodiment of the present invention includes: when a physical cell identifier (PCI) conflicts, determining, by using a cell identifier, a corresponding new cell identifier for avoiding a conflict; or Re-determination of the carrier to avoid collision of the PCI; or, by increasing the range of available physical cell identifiers, to avoid collision of PCI; the new cell identifier is another physical cell identifier or virtual cell that does not conflict with the physical cell Logo.
  • PCI physical cell identifier
  • the embodiment of the present invention avoids the conflict of the PCI according to the method of generating a new cell identifier or the reselection of the carrier when the physical cell identifier conflict occurs, and the interference caused by the PCI conflict when the unlicensed spectrum resource is utilized.
  • the problem is dealt with and is beneficial to the application of unlicensed spectrum resources.
  • FIG. 1 is a flowchart of a method for implementing cell identity processing according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a system for implementing cell identity processing according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a first application example implementing cell identity processing
  • FIG. 4 is a schematic diagram of a second application example implementing cell identity processing
  • FIG. 5 is a schematic diagram of network interaction for implementing cell identity processing in a second application example
  • FIG. 6 is a schematic diagram of another network interaction for implementing cell identity processing in a second application example.
  • FIG. 1 is a flowchart of a method for implementing cell identity processing according to an embodiment of the present invention. As shown in FIG. 1 , the method includes:
  • Step 100 When the physical cell identifier PCI conflicts, determine, by using a re-determination of the cell identifier, a corresponding new cell identifier for avoiding the conflict; or
  • the conflict of the physical cell identifier refers to the physical cell identifier conflict between different operators.
  • determining a corresponding new cell identity for avoiding the collision includes:
  • the cell identity re-determination is performed by the first type of node, or the cell identity re-determination is performed by the second type of node assistance mode, and a corresponding new cell identity for avoiding the conflict is determined.
  • the first type of node includes: a base station, an access point, a relay station, a micro base station (Pico) or a home base station (HeNB); and the second type of node includes: a user equipment or a terminal.
  • performing cell identity re-determination by using the first type of node includes:
  • the cell identity is re-determined, and a corresponding new cell identifier for avoiding the conflict is determined.
  • first type of nodes adjacent refers to the first type of nodes physically adjacent to the first type of nodes on the network.
  • the cell identity re-determination by the second type of node assistance mode includes:
  • the second type of node When the second type of node identifies a conflict with the physical cell identifier of the neighboring first type of node, the information of the feedback conflict is sent to the neighboring first type of node, and the neighboring first type of node performs cell identification according to the feedback conflict information. Re-determine to determine the corresponding new cell identity to avoid collisions.
  • the determined process is a process of selecting other physical cell identifiers or virtual cell identifiers that do not conflict with the physical cell identifier.
  • performing cell identity re-determination by the second type of node assistance mode includes:
  • the virtual cell identifier VCI configured in advance by the neighboring first type of node is determined as a new cell identifier for avoiding conflict
  • the new cell identity is used to generate a random sequence, or to modulate data, or to modulate a signal.
  • determining, by the re-determination of the cell identifier, the corresponding new cell identifier for avoiding the conflict may further include:
  • the first type of node randomly generates a new cell identifier by using a time index according to the identifier corresponding to the operator; or, the OAM reconfigures the new cell identifier;
  • the new cell identity is another physical cell identity or virtual cell identity that does not conflict with the physical cell.
  • the carrier is re-determined to avoid PCI collisions including:
  • the interference between the unlicensed carriers can be avoided by selecting the available unlicensed carriers in other frequency bands and reacquiring the unlicensed carriers.
  • Re-acquiring other available unlicensed carriers includes notifying or acknowledging that an unlicensed carrier is available through an authorized carrier or other unlicensed carrier that has been occupied by the first type of node, and/or the second type of node.
  • the method of the embodiment of the present invention further includes: the new cell identifier notifying the second type of node by using an authorized carrier or other unlicensed carrier that has been occupied by the first type of node and/or the second type of node.
  • other available unlicensed carriers are unlicensed carriers with different carrier frequency points and/or cell identifiers not conflicting.
  • R is a positive integer.
  • the method of the embodiment of the present invention further includes: determining, by using a pre-agreed rule, the corresponding available physical cell identifier of each operator, including:
  • the operator has a total of N available physical cell identifiers, and M operators can respectively use X m available physical cell identifiers;
  • N ⁇ X m , m ⁇ 0,1,2,...,M-1 ⁇ .
  • the embodiment of the present invention avoids the conflict of the PCI according to the method of generating a new cell identifier or the reselection of the carrier when the physical cell identifier conflict occurs, and the interference caused by the PCI conflict when the unlicensed spectrum resource is utilized.
  • the problem is dealt with and is beneficial to the application of unlicensed spectrum resources.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • FIG. 2 is a structural block diagram of a system for implementing cell identity processing according to an embodiment of the present invention. As shown in FIG. 2, the method includes: an identifier conflict processing device;
  • the identifier conflict processing device is configured to: when the physical cell identifier PCI conflicts, determine, by using a re-determination of the cell identifier, a corresponding new cell identifier for avoiding the conflict; or
  • the first type node or the second type node is set to be set to the first type of node, and is set to perform cell identification re-determination by the first type of node when the PCI conflict occurs, and determine a corresponding new one for avoiding conflict.
  • a cell identifier when it is set in the second type of node, when the physical cell identifier PCI conflicts, the cell identity re-determination is performed by the second type of node assistance mode, and the corresponding new cell identifier for avoiding the conflict is determined; or ,
  • the identifier conflict processing device is configured to determine, by the re-determination of the cell identifier, a corresponding new cell identifier for avoiding conflict when the physical cell identifier PCI conflicts; or
  • the identification conflict handling device is set to,
  • the corresponding cell identifier is used to avoid the conflict by re-determining the cell identifier;
  • R is a positive integer.
  • the identification conflict handling device is set to,
  • the first type of node performs cell identity re-determination, and determines a corresponding new cell identifier for avoiding conflict; when set to the second type of node, the second type of node identifies a PCI conflict with the neighboring first-type node. And feeding back the conflicting information to the neighboring first type of node, where the neighboring first type of node performs cell identity redetermination according to the feedback conflict information, and determines a corresponding new cell identifier for avoiding the conflict; or
  • the first type node or the second type node is set to be set to the first type of node, and is set to perform cell identification re-determination by the first type of node when the PCI conflict occurs, and determine a corresponding new one for avoiding conflict.
  • the cell identifier is determined when the second type of node is configured to identify a PCI conflict with the neighboring first type of node, and the virtual cell identifier VCI configured in advance by the neighboring first type of node is determined. a new cell identity for avoiding collisions; the new cell identity is used to generate a random sequence, or to modulate data, or to modulate a signal; or,
  • the identification conflict processing device is configured to, when the physical cell identifier PCI conflicts,
  • the first type of node randomly generates a new cell identifier by using a time index according to the identifier corresponding to the operator; or, the OAM reconfigures a new cell identifier; the new cell identifier is another physics that does not conflict with the physical cell.
  • a new cell identity is added by adding an available physical cell identity to avoid PCI collisions.
  • the system of the embodiment of the present invention further includes an agreement identifying device, configured to determine, according to a pre-agreed rule, a corresponding physical cell identifier of each operator when performing network deployment or powering on the first type of node;
  • the new cell identifier is another physical cell identifier or virtual cell identifier that does not conflict with the physical cell.
  • the system of the embodiment of the present invention further includes a conflict judging device, configured to determine whether a PCI conflict occurs;
  • PCI conflicts include: PCI conflicts between different operators.
  • the appointment identification device is set to,
  • N ⁇ X m , m ⁇ 0,1,2,...,M-1 ⁇ .
  • the system of the embodiment of the present invention further includes the system further comprising: a notification device, configured to: when the identification conflict processing device determines the corresponding new cell identifier for avoiding conflict by the re-determination of the cell identifier,
  • the new cell identity informs the second type of node by an authorized carrier or other available unlicensed carrier.
  • the first type of node includes: a base station, an access point, a relay station, a Pico or a HeNB;
  • the second type of node includes: a user equipment or a terminal.
  • This application example performs physical cell identification (PCI) determination for each operator through pre-agreed rules.
  • the operator has a total of N available physical cell identifiers, and the M operators can respectively use X m physical cell identifiers;
  • N ⁇ X m , m ⁇ 0,1,2,...,M-1 ⁇ . Specifically, the following are included:
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “03”.
  • the available 504 physical cell identifiers are divided into three groups, and the agreed carrier identifier “00” corresponds to the available physical cell identifier is Group 1 and the operator identifier “01” corresponds to the available physical cell identifier.
  • the operator ID "03" corresponds to the available physical cell ID as Group3.
  • N 504 physical cell identifiers
  • the corresponding identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is "03".
  • FIG. 4 is a schematic diagram of the second application example implementing the cell identity processing.
  • the base station of the operator A is initially deployed. Or, when the power-on operation is performed, the base station of the operator B is identified as having a physical cell identity conflict. At this time, the base station of the operator A performs the cell identity re-determination;
  • the user equipment a of the operator A identifies that the base station of the operator B has a physical cell identity conflict, and the user equipment a feeds back the conflict information to the base station of the operator A where the user equipment a is located, and the base station of the operator A receives the conflict feedback.
  • Figure 5 is a schematic diagram of network interaction for implementing cell identity processing in the second application example. As shown in FIG. 5, after the user equipment a determines that the physical cell identity conflicts, the user equipment a is located in the base station. A corresponding new cell identity for avoiding collision is determined by the interaction information.
  • FIG. 6 is a schematic diagram of another network interaction for implementing cell identity processing according to the second application example.
  • the user equipment a of the operator A identifies that the base station of the operator B has a physical cell identity conflict, and the user equipment a is used in advance.
  • the virtual cell identifier configured by the base station of the carrier A of the user equipment a is used as a new cell identifier, and is used to generate a random sequence, a modulated data, and a modulated signal; that is, the base station of the operator A uses the configured virtual cell identifier to generate a random sequence.
  • demodulate data demodulate signals.
  • the base station of the operator A avoids the collision of the physical cell identity at this time by using the foregoing process.
  • the base station also uses the virtual cell identifier to generate a random sequence, a modulated data, and a modulated signal;
  • the user equipment a of the operator A uses the virtual cell identifier to generate a random sequence, demodulate data, and demodulate the signal.
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “03”.
  • the base station of the operator A randomly generates a new cell identifier, including a new physical cell identifier or a virtual cell identifier, according to the operator identifier and with a time index.
  • the time index t belongs to the count set S, and one time index corresponds to the agreed time length.
  • the count set S is ⁇ 0, 1, 2, . . . , 1023 ⁇
  • one time index in the set S corresponds to one subframe time length. That is, each subframe physical cell identifier will be randomly generated.
  • X 2 (n+31) (X 2 (n+3)+X 2 (n+2)+X 2 (n+1)+X 2 (n)) mod2
  • Nc represents the removal of the length of the random sequence
  • O id indicates the operator ID
  • c init represents a random sequence initialization value
  • t represents the agreed time index
  • N represents the number of available physical cell identifiers
  • c represents a random sequence generated by c init initialization
  • Mod represents the modulo operation.
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding specific identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “ 03”.
  • the base station of the operator A randomly generates the physical cell identifier or the virtual cell identifier according to the operator identifier and the time index.
  • the time index t belongs to the count set S, and one time index corresponds to the agreed time length.
  • the count set S is ⁇ 0, 1, 2, . . . , 1023 ⁇
  • one time index in the set S corresponds to one subframe time length. That is, each subframe physical cell identifier will be randomly generated.
  • X 2 (n+31) (X 2 (n+3)+X 2 (n+2)+X 2 (n+1)+X 2 (n)) mod2
  • Nc represents the removal of the length of the random sequence
  • O id indicates the operator ID
  • c init represents a random sequence initialization value
  • t represents the agreed time index
  • N represents the number of available physical cell identifiers
  • c represents a random sequence generated by c init initialization
  • Mod represents the modulo operation
  • L represents the length of the count set S
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “03”.
  • the base station of the operator A and the base station of the operator B select one of the frequency points, for example, C1, and the physical cell identifier used on the C1 is the same, then
  • the base station of the operator A re-acquires other available unlicensed carrier frequency points such as C3 through carrier selection. That is, the base station of the operator A uses the unlicensed carrier frequency point C3, and the base station of the operator B uses the unlicensed carrier frequency point C1. Since the C1 and C3 unlicensed carrier frequencies are different, there is no significant interference even if the physical cell identifiers on C1 and C3 are the same.
  • the base station of the operator A still uses the unlicensed carrier frequency point C1
  • the The process of avoiding cell identity conflict is performed in the manner described in examples one, two, three, and four. Because the cell identifiers of the carrier A and the carrier B on the C1 are different, the interference is randomized, and the user equipment can identify which carrier is accessed.
  • the base station of the operator A re-acquires other available unlicensed carrier frequency points, for example, C3, by using the carrier selection, and the cell identification conflict may be processed by using the first, second, third, and fourth modes. .
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding specific identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “ 03”.
  • the unlicensed carrier frequency selected by the operator A and the operator B is the same at this time, and the physical cell identifier used at the frequency point is also the same, and after the cell identifier or the carrier frequency is re-determined,
  • the re-determined cell identifier is notified by using an authorized carrier or other available unlicensed carrier, and the specific notification manner includes: a reference signal, a synchronization signal scrambling mode notification, or a physical layer and a high layer signaling manner notification.
  • the re-determined carrier frequency is notified or confirmed by the authorized carrier or other available unlicensed carriers.
  • the specific notification manner includes: physical layer, high layer signaling mode notification.
  • Whether the specific confirmation is available includes: the user equipment re-determines the carrier frequency point and feeds back to the base station, and the base station finally confirms whether the carrier frequency point is available.
  • N 504 physical cell identifiers
  • M 3 operators
  • the corresponding specific identifier is the carrier identifier
  • the mobile operator identifier is “00”
  • the Unicom carrier identifier is “01”
  • the telecom carrier identifier is “ 03”.
  • S represents the number of bits corresponding to all available cell identifiers
  • 2 s represents the power of 2 to the power of S
  • T represents The number of elements included, Indicates a rounding down operation.
  • the system adopts a scheme of increasing the number of available cell identifiers based on the application example seven, and is a CRS (Cell-specific Reference Signal), a PRS (Positioning reference signals), and a CSI RS (Channel State Information Reference).
  • CRS Cell-specific Reference Signal
  • PRS Physical reference signals
  • CSI RS Channel State Information Reference
  • l represents an OFDM symbol index
  • n s represents a slot index
  • N cp is equal to 1 for normal cyclic prefix and equal to 0 for extended cyclic prefix.
  • the computer program can be implemented in a computer readable storage medium, the computer program being executed on a corresponding hardware platform (such as a system, device, device, device, etc.), when executed, including One or a combination of the steps of the method embodiments.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the foregoing technical solution can avoid conflicts of PCI, and the interference problem caused by the PCI conflict is processed, which is beneficial to the application of unlicensed spectrum resources.

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Abstract

一种实现小区标识处理的方法及系统,包括:当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,通过载波的重新确定,以避免PCI发生冲突;或,通过增加可用物理小区标识的范围,以避免PCI发生冲突;新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。上述技术方案通过确定在发生物理小区标识冲突时,根据生成新的小区标识,或采用载波的重新选定的方法避免了PCI的冲突,使非授权频谱资源利用时,由于PCI冲突造成的干扰问题得到处理,有利于非授权频谱资源的应用。

Description

一种实现小区标识处理的方法及装置 技术领域
本申请涉及但不限于移动通信技术,尤指一种实现小区标识处理的方法及装置。
背景技术
LTE在不断的演进发展,LTE Rel-13版本开始立项研究,其中Rel-13中一个重要的立项内容是LTE系统使用非授权载波工作。这项技术将使得LTE系统能够使用目前存在的非授权载波,大大提升LTE系统的潜在频谱资源,使得LTE系统能够获得更低的频谱成本。
非授权载波具有零成本、准入要求低、资源共享等优点,同时存在无线接入技术多、无线接入站点多和应用多等特点,带来了系统协作难、管理开销大等问题。其中,多个运营商在同一地理位置部署LTE系统使用非授权载波、与多个运营商在同一地理位置仅部署LTE系统使用授权载波相比,前者会使得LTE系统之间的干扰变得非常严重,这是因为在使用非授权载波时,运营商相同的覆盖区域内可能使用相同的载波频点,尤其是当多个运营商所部署的小区对应的物理小区标识相同时,会造成物理小区标识冲突,导致更加严重地干扰。
由于不同运营商在非授权载波资源使用上是共享的,跨运营商进行邻运营商的基站的物理小区标识的实测、或通过接口交互方式获取邻运营商的基站的物理小区标识是非常复杂的,因此,对于如何避免物理小区标识冲突以及一旦发生物理小区标识冲突,如何进行处理,目前仍没有有效地解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供一种实现小区标识处理的方法及系统,以解决如何避免有效的物理小区标识冲突的技术问题。
本申请实施例提供一种实现小区标识处理的方法;包括:
当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突;
所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
可选地,该方法还包括:进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商相应的可用物理小区标识。
可选地,第一类节点包括:基站、接入点、中继站、微基站Pico或家庭基站HeNB。
可选地,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识包括:
通过第一类节点进行小区标识重新确定、或通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
可选地,第一类节点包括:基站、接入点、中继站、Pico、或HeNB;
所述第二类节点包括:用户设备或终端。
可选地,该方法还包括:所述新的小区标识通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知所述第二类节点。
可选地,通过载波的重新确定,以避免PCI发生冲突包括:
通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突。
可选地,重新获取其他可用的非授权载波包括:通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波。
可选地,其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲 突的非授权载波。
可选地,增加可用物理小区标识的范围包括:
增加
Figure PCTCN2015093438-appb-000001
个可用的物理小区标识;
其中,
Figure PCTCN2015093438-appb-000002
其中,R为正整数。
可选地,通过预先约定的规则确定每个运营商相应的可用物理小区标识包括:
通过预先约定运营商共有N个所述可用物理小区标识,M个运营商分别可使用Xm个可用物理小区标识;
其中,N=ΣXm,m∈{0,1,2,...,M-1}。
可选地,通过第一类节点进行小区标识重新确定包括:
所述第一类节点在进行网络部署或是上电运行时,识别出与邻近第一类节点的PCI冲突时,进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
可选地,通过第二类节点辅助方式进行小区标识重新确定包括:
第二类节点识别出与邻近的第一类节点的PCI冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
可选地,通过第二类节点辅助方式进行小区标识重新确定包括:
第二类节点识别出与邻近的第一类节点的物理小区标识冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;
所述新的小区标识用于生成随机序列、或调制数据、或调制信号。
可选地,通过小区标识的重新确定包括:
第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,由OAM重新配置新的小区标识;
所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
另一方面,本申请还提供一种实现小区标识处理的系统,包括:标识冲突处理装置;
标识冲突处理装置,设置为当物理小区标识PCI发生冲突时,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
可选地,该系统还包括约定标识装置,设置为在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商相应的可用物理小区标识。
可选地,该系统还包括冲突判断装置,设置为判断PCI是否发生冲突;
PCI发生冲突包括:不同运营商之间的PCI冲突。
可选地,标识冲突处理装置是设置为,
设置于第一类节点或第二类节点,当设置于第一类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为当物理小区标识PCI发生冲突时,通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
可选地,第一类节点包括:基站、接入点、中继站、微基站Pico或家庭基站HeNB;
所述第二类节点包括:用户设备或终端。
可选地,该系统还包括通知装置,设置为在标识冲突处理装置通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识时,
新的小区标识通过授权载波或其他已被所述第一类节点、和/或第二类 节点占用的非授权载波通知所述第二类节点。
可选地,标识冲突处理装置是设置为,
当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突;或,
通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突。
可选地,标识冲突处理装置是设置为,
当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
设置于第一类节点或第二类节点,通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突:通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
可选地,其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲突的非授权载波。
可选地,标识冲突处理装置是设置为,
当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
增加
Figure PCTCN2015093438-appb-000003
个可用的物理小区标识,以避免PCI发生冲突;
其中,
Figure PCTCN2015093438-appb-000004
其中,R为正整数。
可选地,约定标识装置是设置为,
在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商之间共有N个可用物理小区标识,M个运营商分别可使用Xm个所述可用物理小区标识;
其中,N=ΣXm,m∈{0,1,2,...,M-1}。
可选地,标识冲突处理装置是设置为,
设置于第一类节点或第二类节点,当设置于第一类节点时,设置为通过第一类节点在进行网络部署或是上电运行时,识别出与邻近第一类节点的PCI冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为第二类节点识别出与邻近的第一类节点的PCI冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
可选地,所述标识冲突处理装置是设置为,
设置于第一类节点或第二类节点,当设置于第一类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为第二类节点识别出与邻近的第一类节点的PCI冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;所述新的小区标识用于生成随机序列、或调制数据、或调制信号;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
可选地,标识冲突处理装置设置为,当物理小区标识PCI发生冲突时,
第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,由OAM重新配置新的小区标识;所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
本发明实施例还提供了一种计算机存储介质,所述计算机存储介质中存 储有计算机可执行指令,所述计算机可执行指令用于执行上述的方法。
与相关技术相比,本发明实施例提供的技术方案,包括:当物理小区标识(PCI)发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,通过载波的重新确定,以避免PCI发生冲突;或,通过增加可用物理小区标识的范围,以避免PCI发生冲突;新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。本发明实施例通过确定在发生物理小区标识冲突时,根据生成新的小区标识,或采用载波的重新选定的方法避免了PCI的冲突,使非授权频谱资源利用时,由于PCI冲突造成的干扰问题得到处理,有利于非授权频谱资源的应用。
在阅读并理解了附图和详细描述后,可以明白其他方面。
附图概述
图1为本发明实施例实现小区标识处理的方法的流程图;
图2为本发明实施例实现小区标识处理的系统的结构框图;
图3为第一应用示例实现小区标识处理的示意图;
图4为第二应用示例实现小区标识处理的示意图;
图5为第二应用示例实现小区标识处理的网络交互示意图;
图6为第二应用示例另一实现小区标识处理的网络交互示意图。
本发明的实施方式
下文中将结合附图对本申请的实施例进行详细说明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互任意组合。
图1为本发明实施例实现小区标识处理的方法的流程图,如图1所示,包括:
步骤100、当物理小区标识PCI发生冲突时,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
本步骤中,物理小区标识发生冲突是指不同运营商之间的物理小区标识冲突。
一方面,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识包括:
通过第一类节点进行小区标识重新确定、或通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
这里,第一类节点包括:基站、接入点、中继站、微基站(Pico)或家庭基站(HeNB);第二类节点包括:用户设备或终端。
可选的,通过第一类节点进行小区标识重新确定包括:
第一类节点在进行网络部署或是上电运行,识别出与邻近第一类节点的PCI冲突时,进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
需要说明的是,这里邻近的第一类节点是指与第一类节点在网络上物理紧邻的第一类节点。
通过第二类节点辅助方式进行小区标识重新确定包括:
第二类节点识别出与邻近的第一类节点的物理小区标识冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。这里,确定的过程就是选择与物理小区标识不冲突的其他物理小区标识、或虚拟小区标识的过程。
或者,通过第二类节点辅助方式进行小区标识重新确定包括:
第二类节点识别出与邻近的第一类节点的物理小区标识冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;
新的小区标识用于生成随机序列、或调制数据、或调制信号。
另一方面,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识,还可以包括:
第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,由OAM重新配置新的小区标识;
新的小区标识为与物理小区不冲突的其他物理小区标识、或虚拟小区标识。
可选的,通过载波的重新确定,以避免PCI发生冲突包括:
通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突。
需要说明的是,如果发生PCI冲突,则通过选择其他频段的可用的非授权载波,通过重新获取的非授权载波,可以避免非授权载波之间的干扰。
重新获取其他可用的非授权载波包括:通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波。
其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲突的非授权载波。
本发明实施例方法还包括:新的小区标识通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知所述第二类节点。
本发明实施例方法中,其他可用的非授权载波为载波频点不同、和/或小区标识不冲突的非授权载波。
可选的,增加可用物理小区标识的范围,以避免PCI发生冲突,包括:
增加
Figure PCTCN2015093438-appb-000005
个可用的物理小区标识;
其中,
Figure PCTCN2015093438-appb-000006
其中,R为正整数。
进行网络部署或第一类节点上电运行时,本发明实施例方法还包括:通过预先约定的规则确定每个运营商相应的可用物理小区标识,包括:
预先约定运营商共有N个可用物理小区标识,M个运营商分别可使用Xm个可用物理小区标识;
其中,N=ΣXm,m∈{0,1,2,...,M-1}。
本发明实施例通过确定在发生物理小区标识冲突时,根据生成新的小区标识,或采用载波的重新选定的方法避免了PCI的冲突,使非授权频谱资源利用时,由于PCI冲突造成的干扰问题得到处理,有利于非授权频谱资源的应用。
本发明实施例还提供了一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行上述的方法。
图2为本发明实施例实现小区标识处理的系统的结构框图,如图2所示,包括:标识冲突处理装置;
标识冲突处理装置,设置为当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
标识冲突处理装置,
设置于第一类节点或第二类节点,当设置于第一类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为当物理小区标识PCI发生冲突时,通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
标识冲突处理装置是设置为当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
设置于第一类节点或第二类节点,通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突:通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波; 或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲突的非授权载波。
标识冲突处理装置是设置为,
当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
增加
Figure PCTCN2015093438-appb-000007
个可用物理小区标识,以避免PCI发生冲突;
其中,
Figure PCTCN2015093438-appb-000008
其中,R为正整数。
标识冲突处理装置是设置为,
设置于第一类节点或第二类节点,当设置于第一类节点时,第一类节点在进行网络部署或是上电运行时,识别出与邻近第一类节点的PCI冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,用于第二类节点识别出与邻近的第一类节点的PCI冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
标识冲突处理装置,
设置于第一类节点或第二类节点,当设置于第一类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为第二类节点识别出与邻近的第一类节点的PCI冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;所述新的小区标识用于生成随机序列、或调制数据、或调制信号;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用物理小区标识的范围,以避免PCI发生冲突。
标识冲突处理装置是设置为,当物理小区标识PCI发生冲突时,
第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,由OAM重新配置新的小区标识;所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识;或,
通过载波的重新确定,以避免PCI发生冲突;或,
通过增加可用的物理小区标识作为的新的小区标识,以避免PCI发生冲突。
本发明实施例系统还包括约定标识装置,设置为在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商相应可用物理小区标识;
新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
本发明实施例系统还包括冲突判断装置,设置为判断PCI是否发生冲突;
PCI发生冲突包括:不同运营商之间的PCI冲突。
约定标识装置是设置为,
在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商之间共有N个可用物理小区标识,M个运营商分别可使用Xm个所述可用物理小区标识;
其中,N=ΣXm,m∈{0,1,2,...,M-1}。
本发明实施例系统还包括系统还包括通知装置,设置为在标识冲突处理装置通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识时,
新的小区标识通过授权载波或其他可用的非授权载波通知所述第二类节点。
第一类节点包括:基站、接入点、中继站、Pico或HeNB;
第二类节点包括:用户设备或终端。
为清楚陈述本发明实施例,以下通过应用示例,对本发明实施例进行详细说明,应用示例只为清楚说明本发明实施例,并不用于限制本发明的保护内容。
应用示例1
本应用示例通过预先约定的规则对每个运营商进行物理小区标识(PCI)确定。可选的,预先约定运营商共有N个可用物理小区标识,M个运营商分别可用Xm个物理小区标识;
其中,N=ΣXm,m∈{0,1,2,...,M-1}。具体的包括以下内容:
假设有N=504个物理小区标识,M=3个运营商,对应的标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
可选地,把可用的504个物理小区标识分为3组,并且约定运营商标识“00”对应可用的物理小区标识为组(Group)1,运营商标识“01”对应可用的物理小区标识为Group2,运营商标识“03”对应可用的物理小区标识为Group3。
可选地,图3为第一应用示例实现小区标识处理的示意图;如图3所示,运营商标识“00”对应可用的物理小区标识为{0,1,2,…,167},物理小区标识数量X1=168;运营商标识“01”对应可用的物理小区标识为{168,169,170,…,335},物理小区标识数量X2=168;运营商标识“03”对应可用的物理小区标识为{336,337,338,…,503},物理小区标识数量X3=168。即N=X1+X2+X3。
应用示例二:
假设有N=504个物理小区标识,运营商个数为M=3,对应的标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设确定运营商可用的物理小区标识均为{0,1,2,…,503}。
假设运营商A的基站和运营商B的基站对应的物理小区标识存在冲突时,图4为第二应用示例实现小区标识处理的示意图,如图4所示,运营商A的基站在初始部署网络或是上电运行时识别出运营商B的基站发生物理小区标识冲突,此时运营商A的基站进行小区标识重新确定;
可选地,运营商A的用户设备a识别出运营商B的基站发生物理小区标识冲突,用户设备a把冲突信息反馈给用户设备a所在运营商A的基站,运营商A的基站接收冲突反馈的信息后,进行小区标识重新确定;图5为第二应用示例实现小区标识处理的网络交互示意图,如图5所示,通过用户设备a确定出物理小区标识发生冲突后,用户设备a所在基站通过交互信息确定相应的用于避免冲突的新的小区标识。
图6为第二应用示例另一实现小区标识处理的网络交互示意图,如图6所示,运营商A的用户设备a识别出运营商B的基站发生物理小区标识冲突,用户设备a使用事先被用户设备a所在运营商A的基站配置的虚拟小区标识作为新的小区标识,用于生成随机序列、调制数据、调制信号;即,运营商A的基站使用配置的虚拟小区标识用于生成随机序列、解调数据、解调信号。运营商A的基站通过上述过程避免了此时物理小区标识发生冲突,可选地,对于反向传输,基站也使用所述虚拟小区标识,用于生成随机序列、调制数据、调制信号;即,运营商A的用户设备a使用所述虚拟小区标识用于生成随机序列、解调数据、解调信号。
应用示例三:
假设有N=504个物理小区标识,M=3个运营商,对应的标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设上述运营商可用的物理小区标识均为{0,1,2,…,503}。
假设基于应用示例二,得知运营商A的基站侧需要重新确定物理小区标识或虚拟小区标识,或是运营商A的基站侧需要事先生成并配置给用户设备虚拟小区标识,则,
可选地,运营商A的基站根据运营商标识并以时间索引随机生成新的小区标识,包括新的物理小区标识或虚拟小区标识。时间索引t属于计数集合S,1个时间索引对应约定的时间长度,例如计数集合S为{0,1,2,…,1023},集合S中的1个时间索引对应1个子帧时间长度,即每个子帧物理小区标识都将随机生成。
可选地,假设此时,
Nc=1600
Oid=03
cinit=Oid
t=5
N=504
则,随机生成序列如下,
c(n)=(X1(n+Nc)+X2(n+Nc))mod2
X1(n+31)=(X1(n+3)+X1(n))mod2
X2(n+31)=(X2(n+3)+X2(n+2)+X2(n+1)+X2(n))mod2
X1(0)=1,X1(n)=0,n=1,2,......30
Figure PCTCN2015093438-appb-000009
得到X2(n),n=1,2,......30
代入上述参数,得到新的小区标识为:
Figure PCTCN2015093438-appb-000010
对应的二进制为“101000001”
其中,Nc表示去除随机序列长度;
Oid表示运营商标识;
cinit表示随机序列初始化值;
t表示约定的时间索引;
N表示可用物理小区标识数量;
c表示由cinit初始化产生的随机序列;
Figure PCTCN2015093438-appb-000011
表示物理小区标识;
mod表示求模运算。
应用示例四:
假设有N=504个物理小区标识,M=3个运营商,对应的特定标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设上述运营商可用的物理小区标识均为{0,1,2,…,503}。
假设基于应用示例二,得知运营商A的基站侧需要重新确定物理小区标识或虚拟小区标识,或是运营商A的基站侧需要事先生成并配置给用户设备虚拟小区标识,则,
可选地,运营商A的基站根据运营商标识并以时间索引随机生成物理小区标识或虚拟小区标识。时间索引t属于计数集合S,1个时间索引对应约定的时间长度,例如计数集合S为{0,1,2,…,1023},集合S中的1个时间索引对应1个子帧时间长度,即每个子帧物理小区标识都将随机生成。
可选地,假设此时,
Nc=1600
Oid=03
cinit=t*2q+Oid
t=8
q=31-p
Figure PCTCN2015093438-appb-000012
N=504
则,随机生成序列如下,
c(n)=(X1(n+Nc)+X2(n+Nc))mod2
X1(n+31)=(X1(n+3)+X1(n))mod2
X2(n+31)=(X2(n+3)+X2(n+2)+X2(n+1)+X2(n))mod2
X1(0)=1,X1(n)=0,n=1,2,......30
Figure PCTCN2015093438-appb-000013
得到X2(n),n=1,2,......30
代入上述参数,得到新的小区标识为:
Figure PCTCN2015093438-appb-000014
对应的二进制为“000111110”
其中,
其中,Nc表示去除随机序列长度;
Oid表示运营商标识;
cinit表示随机序列初始化值;
t表示约定的时间索引;
N表示可用物理小区标识数量;
c表示由cinit初始化产生的随机序列;
Figure PCTCN2015093438-appb-000015
表示物理小区标识;
mod表示求模运算;
L表示计数集合S的长度;
Figure PCTCN2015093438-appb-000016
表示向上取整运算。
应用示例五
假设有N=504个物理小区标识,M=3个运营商,对应的标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设上述运营商可用的物理小区标识均为{0,1,2,…,503}。
假设非授权载波频点分别为C1、C2、C3、C4,运营商A的基站和运营商B的基站选择其中某个频点例如C1,并且在C1上所使用的物理小区标识相同,则,
可选地,此时运营商A的基站通过载波选择重新获取其他可用的非授权载波频点例如C3。即运营商A的基站使用非授权载波频点C3,运营商B的基站使用非授权载波频点C1。由于C1和C3非授权载波频点不同,即使在C1和C3上的物理小区标识相同也不会有明显的干扰。
可选地,如果运营商A的基站仍然使用非授权载波频点C1,可采用应 用示例一、二、三、四所述的方式进行避免小区标识冲突的处理。由于C1上的运营商A、运营商B的基站的小区标识不同,起到了对干扰进行随机化的作用,同时用户设备是可以识别出接入了哪个运营商。
或,可选地,此时运营商A的基站通过载波选择重新获取其他可用的非授权载波频点例如C3,同时也可采用应用示例一、二、三、四的方式进行小区标识冲突的处理。
应用示例六:
假设有N=504个物理小区标识,M=3个运营商,对应的特定标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设上述运营商可用的物理小区标识均为{0,1,2,…,503}。
假设此时运营商A和运营商B所选择的非授权载波频点相同,在频点上所使用的物理小区标识也相同,并且已完成小区标识或载波频点重新确定后,则,
可选地,重新确定的小区标识通过授权载波或其他可用的非授权载波通知,具体的通知方式包括:参考信号、同步信号加扰方式通知,或物理层、高层信令方式通知。
可选地,重新确定的载波频点通过授权载波或其他可用的非授权载波通知或确认是否可用,具体的通知方式包括:物理层、高层信令方式通知。具体的确认是否可用包括:由用户设备重新确定载波频点后反馈给基站,由基站最终确认载波频点是否可用。
应用示例七:
假设有N=504个物理小区标识,M=3个运营商,对应的特定标识为运营商标识,移动运营商标识为“00”,联通运营商标识为“01”,电信运营商标识为“03”。
并假设上述运营商可用的物理小区标识均为{0,1,2,…,503}。
可选地,增加的
Figure PCTCN2015093438-appb-000017
其中
Figure PCTCN2015093438-appb-000018
S表 示所有可用小区标识所对应的比特数,2s表示2的S次幂,T表示
Figure PCTCN2015093438-appb-000019
所包含的元素个数,
Figure PCTCN2015093438-appb-000020
表示向下取整运算。
例如,根据上述之前共有可用的小区标识为168*3=504个,对应的
Figure PCTCN2015093438-appb-000021
此时系统需要使用9比特来表示504个小区标识。如果系统增加1比特,则现在有S=10比特,
Figure PCTCN2015093438-appb-000022
所包含的元素个数T=3,则此时R的最大值等于
Figure PCTCN2015093438-appb-000023
R的可取范围为R∈{168,169,170...340}。可用的物理小区标识数量为341*3=1026,计算公式为
Figure PCTCN2015093438-appb-000024
这里,
Figure PCTCN2015093438-appb-000025
表示可用的物理小区标识数量。
应用示例八:
假设系统是采用基于应用示例七的增加小区标识可用数量的方案,则对于CRS(Cell-specific Reference Signal,公共参考符号)、PRS(Positioning reference signals,定位参考符号)、CSI RS(Channel State Information reference signals,信道状态指示参考符号)的随机序列的初始化值需要进行修改,随机序列初始化值如下:
Figure PCTCN2015093438-appb-000026
Figure PCTCN2015093438-appb-000027
其中,
Figure PCTCN2015093438-appb-000028
l表示OFDM符号索引;
ns表示时隙索引;
Figure PCTCN2015093438-appb-000029
表示可用的物理小区标识数量,这里,如果采用的是虚拟小区标识作为物理小区标识,则公式中的
Figure PCTCN2015093438-appb-000030
通过虚拟小区标识数量
Figure PCTCN2015093438-appb-000031
Ncp对于正常循环前缀时等于1,对于扩展循环前缀时等于0。
以上内容是结合具体的实施方式对本发明所作的进一步详细说明,不能认定本发明的具体实施只局限于这些说明。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计 算机程序流程来实现,所述计算机程序可以存储于一计算机可读存储介质中,所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行,在执行时,包括方法实施例的步骤之一或其组合。
可选地,上述实施例的全部或部分步骤也可以使用集成电路来实现,这些步骤可以被分别制作成一个个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的各装置/功能模块/功能单元可以采用通用的计算装置来实现,它们可以集中在单个的计算装置上,也可以分布在多个计算装置所组成的网络上。
上述实施例中的各装置/功能模块/功能单元以软件功能模块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。上述提到的计算机可读取存储介质可以是只读存储器,磁盘或光盘等。
工业实用性
上述技术方案可避免PCI发生冲突,使由于PCI冲突造成的干扰问题得到处理,有利于非授权频谱资源的应用。

Claims (30)

  1. 一种实现小区标识处理的方法,包括:
    当物理小区标识PCI发生冲突时,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突;
    所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
  2. 根据权利要求1所述的方法,该方法还包括:
    进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商相应的可用物理小区标识。
  3. 根据权利要求2所述的方法,其中,
    所述第一类节点包括:基站、接入点、中继站、微基站Pico或家庭基站HeNB。
  4. 根据权利要求1所述的方法,其中,所述通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识包括:
    通过第一类节点进行小区标识重新确定、或通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
  5. 根据权利要求4所述的方法,其中,
    所述第一类节点包括:基站、接入点、中继站、微基站Pico或家庭基站HeNB;
    所述第二类节点包括:用户设备或终端。
  6. 根据权利要求5所述的方法,该方法还包括:
    所述新的小区标识通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知所述第二类节点。
  7. 根据权利要求1所述的方法,其中,所述通过载波的重新确定,以 避免PCI发生冲突包括:
    通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突。
  8. 根据权利要求7所述的方法,其中,所述重新获取其他可用的非授权载波包括:
    通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波。
  9. 根据权利要求7或8任一项所述的方法,其中,所述其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲突的非授权载波。
  10. 根据权利要求1所述的方法,其中,所述增加可用物理小区标识的范围包括:
    增加
    Figure PCTCN2015093438-appb-100001
    个可用的物理小区标识;
    其中,
    Figure PCTCN2015093438-appb-100002
    Figure PCTCN2015093438-appb-100003
    其中,R为正整数。
  11. 根据权利要求2所述的方法,其中,所述通过预先约定的规则确定每个运营商相应的可用物理小区标识包括:
    通过预先约定运营商共有N个所述可用物理小区标识,M个运营商分别可使用Xm个可用物理小区标识;
    其中,N=ΣXm,m∈{0,1,2,…,M-1}。
  12. 根据权利要求4所述的方法,其中,所述通过第一类节点进行小区标识重新确定包括:
    所述第一类节点在进行网络部署或是上电运行时,识别出与邻近第一类节点的PCI冲突时,进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
  13. 根据权利要求4所述的方法,其中,所述通过第二类节点辅助方式进行小区标识重新确定包括:
    第二类节点识别出与邻近的第一类节点的PCI冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识。
  14. 根据权利要求4所述的方法,其中,所述通过第二类节点辅助方式进行小区标识重新确定包括:
    第二类节点识别出与邻近的第一类节点的物理小区标识冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;
    所述新的小区标识用于生成随机序列、或调制数据、或调制信号。
  15. 根据权利要求1所述的方法,其中,所述通过小区标识的重新确定包括:
    第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,由OAM重新配置新的小区标识;
    所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
  16. 一种实现小区标识处理的系统,包括:标识冲突处理装置;
    标识冲突处理装置,设置为当物理小区标识PCI发生冲突时,通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突;
    所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识。
  17. 根据权利要求16所述的系统,该系统还包括:
    约定标识装置,设置为在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商相应的可用物理小区标识。
  18. 根据权利要求16所述的系统,该系统还包括:
    冲突判断装置,设置为判断PCI是否发生冲突;
    所述PCI发生冲突包括:不同运营商之间的PCI冲突。
  19. 根据权利要求18所述的系统,其中,
    所述标识冲突处理装置设置于第一类节点或第二类节点,当设置于第一 类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为当物理小区标识PCI发生冲突时,通过第二类节点辅助方式进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  20. 根据权利要求19所述的系统,其中,
    所述第一类节点包括:基站、接入点、中继站、微基站Pico或家庭基站HeNB;
    所述第二类节点包括:用户设备或终端。
  21. 根据权利要求16、18或19任一项所述的系统,该系统还包括:
    通知装置,设置为在标识冲突处理装置通过小区标识的重新确定,确定相应的用于避免冲突的新的小区标识时,将新的小区标识通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知所述第二类节点。
  22. 根据权利要求16所述的系统,其中,
    所述标识冲突处理装置是设置为,当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
    通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  23. 根据权利要求22所述的系统,其中,
    所述标识冲突处理装置是设置为,当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
    设置于第一类节点或第二类节点,通过载波选择重新获取其他可用的非授权载波,以避免PCI发生冲突:通过授权载波或其他已被所述第一类节点、和/或第二类节点占用的非授权载波通知或确认为可用的非授权载波; 或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  24. 根据权利要求22或23任一项所述的系统,其中,所述其他可用的非授权载波为载波频点不同、和/或与所述PCI不冲突的非授权载波。
  25. 根据权利要求16所述的系统,其中,
    标识冲突处理装置是设置为,当物理小区标识PCI发生冲突时,通过小区标识的重新确定、确定相应的用于避免冲突的新的小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    增加
    Figure PCTCN2015093438-appb-100004
    个可用的物理小区标识,以避免PCI发生冲突;
    其中,
    Figure PCTCN2015093438-appb-100005
    Figure PCTCN2015093438-appb-100006
    其中,R为正整数。
  26. 根据权利要求17所述的系统,其中,
    所述约定标识装置是设置为,在进行网络部署或第一类节点上电运行时,通过预先约定的规则确定每个运营商之间共有N个可用物理小区标识,M个运营商分别可使用Xm个所述可用物理小区标识;
    其中,N=ΣXm,m∈{0,1,2,…,M-1}。
  27. 根据权利要求19所述的系统,其中,
    所述标识冲突处理装置,设置于第一类节点或第二类节点,当设置于第一类节点时,设置为通过第一类节点在进行网络部署或是上电运行时,识别出与邻近第一类节点的PCI冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为通过第二类节点识别出与邻近的第一类节点的PCI冲突时,反馈冲突的信息给所述邻近的第一类节点,所述邻近的第一类节点根据反馈的冲突信息进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  28. 根据权利要求19所述的系统,其中,
    所述标识冲突处理装置,设置于第一类节点或第二类节点,当设置于第 一类节点时,设置为当PCI发生冲突时,通过第一类节点进行小区标识重新确定,确定相应的用于避免冲突的新的小区标识;当设置于第二类节点时,设置为通过第二类节点识别出与邻近的第一类节点的PCI冲突时,使用所述邻近的第一类节点事先配置的虚拟小区标识VCI,确定为用于避免冲突的新的小区标识;所述新的小区标识用于生成随机序列、或调制数据、或调制信号;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  29. 根据权利要求16所述的系统,其中,
    所述标识冲突处理装置是设置为,当物理小区标识PCI发生冲突时,通过第一类节点根据所在运营商对应的标识、以时间索引随机生成新的小区标识;或,通过操作管理维护OAM重新配置新的小区标识;所述新的小区标识为与所述物理小区不冲突的其他物理小区标识、或虚拟小区标识;或,
    通过载波的重新确定,以避免PCI发生冲突;或,
    通过增加可用物理小区标识的范围,以避免PCI发生冲突。
  30. 一种计算机存储介质,所述计算机存储介质中存储有计算机可执行指令,所述计算机可执行指令用于执行权利要求1~15中任一项所述的方法。
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