CN104936264A - Method and device for transmitting and detecting cell identity - Google Patents

Method and device for transmitting and detecting cell identity Download PDF

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Publication number
CN104936264A
CN104936264A CN201510336999.1A CN201510336999A CN104936264A CN 104936264 A CN104936264 A CN 104936264A CN 201510336999 A CN201510336999 A CN 201510336999A CN 104936264 A CN104936264 A CN 104936264A
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China
Prior art keywords
frequency resource
running time
secondary synchronization
synchronization sequences
main synchronizing
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CN104936264B (en
Inventor
赵慧
张思思
郑侃
王鹏
左永锋
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Beijing University of Posts and Telecommunications
CETC 41 Institute Qingdao Branch
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Beijing University of Posts and Telecommunications
CETC 41 Institute Qingdao Branch
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses a method and a device for transmitting and detecting cell identity. The method comprises the steps as follows: network side equipment determines cell cluster identity of a cell cluster where the cell is located, and corresponding time-frequency resource, and a time-frequency mapping sequence which uniquely expresses that a synchronous sequence of the cell cluster occupies the time-frequency resource and which corresponds to the time-frequency resource; the time-frequency mapping sequence defines the time-frequency resource of the synchronous sequence of the cell cluster; the network side equipment adds corresponding cell cluster identity or the time-frequency mapping sequence in a broadcast message of the cell and adds a sector identity and a cell group identity in the determined time-frequency resource of the broadcast message, and transmits the broadcast message; terminal equipment detects the cell cluster identity, the sector identity and the cell group identity in turn so as to determine the cell identity. In the embodiment of the invention, the method and the device for transmitting and detecting the cell identity could ensure the broadcast messages of different cell clusters use synchronous sequences carried by different time-frequency resources to relieve the interference among cells by a condition that the different cell clusters correspond to the time-frequency mapping sequences of different cell cluster identities or time-frequency resources.

Description

A kind of transmission of cell ID and the method and apparatus of detection
Technical field
The present invention relates to communication technical field, particularly a kind of transmission of cell ID and the method and apparatus of detection.
Background technology
Mobile communication develop the extensive growth bringing number of users rapidly, user experience quality to be ensured under new business demand, need to dispose a large amount of network equipment, and the number of cells in network rolls up, super-intensive network (UDN) is a kind of typical apply scene comprising a large amount of community in future mobile communication system.
Cell searching is the first step of terminal equipment access community, when terminal equipment has just been started shooting or carried out cell merge, all needs first to carry out Cell searching, to obtain the basic configuration information of peripheral cell, and then carries out community and has accessed transfer of data.Further, in order to complete Cell searching, terminal equipment needs the cell ID obtaining community.Wherein, cell ID is made up of sector mark and cell group identification.
Cell ID is obtained in order to make terminal equipment, network equipment adds PSS (Primary Synchronization Sequence on the running time-frequency resource of broadcast, main synchronizing sequence) and SSS (SecondSynchronization Sequence, secondary synchronization sequences), PSS is for representing sector mark, and SSS is for representing cell group identification.Terminal equipment, after receiving this broadcast, detects PSS and SSS of running time-frequency resource, obtains sector mark and cell group identification, and obtain cell ID based on sector mark and cell group identification.
PSS and SSS is detected in order to enable terminal equipment, running time-frequency resource for carrying PSS and SSS in broadcast needs to be fixing, namely PSS and SSS is all carried in all communities in this fixing running time-frequency resource (as running time-frequency resource 1), and terminal equipment is provided with the information of running time-frequency resource 1 in advance, therefore, terminal equipment can direct-detection running time-frequency resource 1, to obtain PSS and SSS from running time-frequency resource 1.
Based on aforesaid way, because different communities uses identical running time-frequency resource to carry PSS and SSS, therefore interference can be caused to PSS and SSS transmitted under neighbor cell in each community.If there is a large amount of communities in network, then more serious to the interference of PSS and SSS transmitted under neighbor cell.
Summary of the invention
The embodiment of the invention discloses a kind of transmission of cell ID and the method and apparatus of detection, to alleviate the interference of each community to PSS and SSS transmitted under neighbor cell.
For achieving the above object, in the embodiment of the present invention, provide following technical scheme:
The embodiment of the invention discloses a kind of transmission method of cell ID, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, said method comprising the steps of:
Network equipment determines the cell cluster mark of the cell cluster at place, community, and utilizes the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determines the running time-frequency resource that described cell cluster mark is corresponding;
Described network equipment adds described cell cluster mark or time-frequency sequence of mapping in the broadcast that described community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast; Wherein, described time-frequency sequence of mapping is the time-frequency sequence of mapping that described running time-frequency resource is corresponding;
Described network equipment sends described broadcast.
Preferably, described network equipment adds the process of sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, specifically comprises:
When adding time-frequency sequence of mapping in described broadcast, described network equipment adds main synchronizing sequence in the described running time-frequency resource determined of described broadcast, and utilize the running time-frequency resource of the described running time-frequency resource determination secondary synchronization sequences determined, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, described network equipment adds secondary synchronization sequences in the described running time-frequency resource determined of described broadcast, and utilize the described running time-frequency resource determined to determine the running time-frequency resource of main synchronizing sequence, and add main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast; Or,
When adding described cell cluster mark in described broadcast, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences, then described network equipment adds main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and adds secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence, then described network equipment adds main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of secondary synchronization sequences, then described network equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast;
Wherein, described main synchronizing sequence is for representing described sector mark, and described secondary synchronization sequences is for representing described cell group identification.
The embodiment of the invention discloses a kind of detection method of cell ID, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, said method comprising the steps of:
The broadcast that the community that terminal equipment reception network equipment sends is corresponding;
Described terminal equipment obtains cell cluster mark corresponding to described community or time-frequency sequence of mapping from described broadcast, described time-frequency sequence of mapping is the corresponding relation that network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource;
Described terminal equipment utilizes described cell cluster to identify or described time-frequency sequence of mapping obtains sector mark and cell group identification from described broadcast, and utilizes described sector mark and cell group identification to generate cell ID.
Preferably, described terminal equipment utilizes described cell cluster mark or described time-frequency sequence of mapping from described broadcast, obtain the process of sector mark and cell group identification, specifically comprises:
Described terminal equipment utilizes described time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilizes the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences to obtain sector mark and cell group identification from described broadcast; Or,
Described terminal equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark that described terminal equipment utilizes described cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that described cell cluster mark is corresponding, and the running time-frequency resource utilizing described cell cluster to identify correspondence obtains sector mark and cell group identification from described broadcast.
Preferably, described terminal equipment utilizes the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences from described broadcast, obtain the process of sector mark and cell group identification, specifically comprises:
Described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or,
Described terminal equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
Preferably, the running time-frequency resource that described cell cluster mark is corresponding comprises the running time-frequency resource of main synchronizing sequence and/or the running time-frequency resource of secondary synchronization sequences; The running time-frequency resource that described terminal equipment utilizes described cell cluster to identify correspondence obtains the process of sector mark and cell group identification from described broadcast, specifically comprises:
If the described cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences, described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
If the running time-frequency resource of the corresponding main synchronizing sequence of described cell cluster mark, described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
If described cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences, described terminal equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
The embodiment of the invention discloses a kind of network equipment, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, described network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, described network equipment specifically comprises:
Determination module, for determining the cell cluster mark of the cell cluster at place, community, and utilizing the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determining the running time-frequency resource that described cell cluster mark is corresponding;
Processing module, for adding described cell cluster mark or time-frequency sequence of mapping in the broadcast that described community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast; Wherein, described time-frequency sequence of mapping is the time-frequency sequence of mapping that described running time-frequency resource is corresponding;
Sending module, for sending described broadcast.
Preferably, described processing module, specifically for adding in the process of sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, when adding time-frequency sequence of mapping in described broadcast, main synchronizing sequence is added in the described running time-frequency resource determined of described broadcast, and utilize the running time-frequency resource of the described running time-frequency resource determination secondary synchronization sequences determined, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, secondary synchronization sequences is added in the described running time-frequency resource determined of described broadcast, and utilize the described running time-frequency resource determined to determine the running time-frequency resource of main synchronizing sequence, and add main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast; Or,
When adding described cell cluster mark in described broadcast, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence, main synchronizing sequence is added in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of secondary synchronization sequences, the running time-frequency resource of described secondary synchronization sequences is utilized to determine the running time-frequency resource of main synchronizing sequence, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast;
Wherein, described main synchronizing sequence is for representing described sector mark, and described secondary synchronization sequences is for representing described cell group identification.
The embodiment of the invention discloses a kind of terminal equipment, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, described terminal equipment specifically comprises:
Receiver module, the broadcast that the community for receiving network equipment transmission is corresponding;
Obtaining module, for obtaining cell cluster mark corresponding to described community or time-frequency sequence of mapping from described broadcast, and utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain sector mark and cell group identification from described broadcast; Wherein, described time-frequency sequence of mapping is the corresponding relation that described network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the described cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource;
Generation module, generates cell ID for utilizing described sector mark and cell group identification.
Preferably, described acquisition module, specifically for utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain from described broadcast in the process of sector mark and cell group identification, utilize described time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilize the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences to obtain sector mark and cell group identification from described broadcast; Or, when described terminal equipment being provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark utilizing described cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that described cell cluster mark is corresponding, and the running time-frequency resource utilizing described cell cluster to identify correspondence obtains sector mark and cell group identification from described broadcast;
Wherein, described acquisition module obtains in the process of sector mark and cell group identification utilizing the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences from described broadcast, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Main synchronizing sequence is detected from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
Wherein, the running time-frequency resource that described cell cluster mark is corresponding comprises the running time-frequency resource of main synchronizing sequence and/or the running time-frequency resource of secondary synchronization sequences; The running time-frequency resource that described acquisition module is utilizing described cell cluster to identify correspondence obtains in the process of sector mark and cell group identification from described broadcast, if the described cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences, detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if the running time-frequency resource of the corresponding main synchronizing sequence of described cell cluster mark, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if described cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
Based on technique scheme, compared with prior art, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, by dividing multiple cell cluster, and the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, make different cell clusters adopt different running time-frequency resource transmission cell IDs.The corresponding relation between running time-frequency resource is identified by pre-configured cell cluster, thus can determine that the synchronizing sequence of unique this cell cluster of expression that cell cluster mark is corresponding with this running time-frequency resource takies the time-frequency sequence of mapping of running time-frequency resource, then transmit cell ID by the running time-frequency resource that different time-frequency sequences of mapping is corresponding.Based on aforesaid way, ensure that the broadcast that the community of corresponding same cells bunch sends uses identical running time-frequency resource to carry synchronizing sequence, the broadcast that the community of corresponding different districts bunch sends uses different running time-frequency resources to carry synchronizing sequence, when the community of a cell cluster sends broadcast, interference can not be caused to the synchronizing sequence of the cell transmission of other cell clusters, alleviate the interference of each community to the synchronizing sequence transmitted under neighbor cell.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the transmission method schematic flow sheet of the cell ID proposed in the embodiment of the present invention one;
Fig. 2 A and 2B is the schematic diagram of the community distribution proposed in the embodiment of the present invention one;
Fig. 3 is the transmission method schematic flow sheet of the cell ID proposed in the embodiment of the present invention two;
Fig. 4 is the transmission method schematic flow sheet of the cell ID proposed in the embodiment of the present invention three;
Fig. 5 is the structural representation of the network equipment proposed in the embodiment of the present invention four;
Fig. 6 is the structural representation of the terminal equipment proposed in the embodiment of the present invention five.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
For problems of the prior art, a kind of transmission of cell ID and the method for detection are proposed in the embodiment of the present invention one, under the method can be applied to the application scenarios comprising a large amount of community, as super-intensive network (UDN).Wherein, due to developing rapidly of mobile communication, number of users increases on a large scale, data business volume and mobile device quantity all roll up, and therefore, traditional cellular cell is also changing, in current mobile communication system, the quantity of network equipment rolls up, and number of cells is also in continuous increase, and super-intensive network will be a kind of typical apply scene comprising multiple community in future mobile communication system.
In the embodiment of the present invention, a large amount of microzonations in network are divided into multiple cell cluster.Such as, in network, there is 1-community, community 10, can dividing cell clusters 1, cell cluster 2 and cell cluster 3, comprise 1-community, community 3 in cell cluster 1, in cell cluster 2, comprise 4-community, community 6, in cell cluster 3, comprise 7-community, community 10.
In the embodiment of the present invention, different cell clusters adopts different running time-frequency resource transmission cell IDs, and identical cell cluster adopts identical running time-frequency resource transmission cell ID.Such as, cell cluster 1 adopts running time-frequency resource 1 to transmit cell ID, and cell cluster 2 adopts running time-frequency resource 2 to transmit cell ID, and cell cluster 3 adopts running time-frequency resource 3 to transmit cell ID.Wherein, this running time-frequency resource is used for carrying sector mark and cell group identification.
Further, running time-frequency resource is that specific time-domain symbol is (as OFDM (Orthogonal FrequencyDivision Multiplexing, OFDM) symbol) and frequency domain carriers (as subcarrier), this running time-frequency resource transmits specific sequence (i.e. synchronizing sequence).In 4G communication system, the synchronizing sequence of transmission bearer cell ID on specific OFDM symbol and subcarrier.In WLAN (Wireless Local AreaNetworks, WLAN) system, the beacon frame of transmission bearer SSID (Service SetIdentifier, service set) on specific running time-frequency resource.For the running time-frequency resource of other communication systems, as long as it is for carrying sector mark and cell group identification, do not repeat them here.
In the embodiment of the present invention, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance.Wherein, running time-frequency resource can be the running time-frequency resource of main synchronizing sequence, or the running time-frequency resource of secondary synchronization sequences, or the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences.Such as, network equipment is provided with the corresponding relation between cell cluster 1 (cell cluster mark) and the running time-frequency resource 1 of main synchronizing sequence in advance, or the corresponding relation between the running time-frequency resource 2 of cell cluster 1 and secondary synchronization sequences, or the running time-frequency resource 1 of cell cluster 1 and main synchronizing sequence, secondary synchronization sequences running time-frequency resource 2 between corresponding relation.
Wherein, in 4G communication system, network equipment can be Macro (macro base station), Pico femto base station), the base station equipment such as Femto (Home eNodeB), also can be eNB (Evolved Node B, enode b), DeNB (Donor Evolved Node B, alms giver's enode b).At WLAN (WirelessLocal Area Networks; WLAN) in system; network equipment can be AP (AccessPoint; WAP (wireless access point)) etc. equipment; certain network equipment is not limited thereto; all equipment being positioned at network side, all within the protection range of the embodiment of the present invention, to be follow-uply described for network equipment.
Under above-mentioned application scenarios, as shown in Figure 1, the transmission of this cell ID and the method for detection can comprise the following steps:
Step 101, network equipment determines the cell cluster mark of the cell cluster at place, community, and utilizes the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determines the running time-frequency resource that cell cluster mark is corresponding.
Wherein, network equipment is provided with in advance community and cell cluster identify between corresponding relation, for the network equipment that community is corresponding, this network equipment can utilize community and cell cluster identify between corresponding relation, determine the cell cluster at place, community cell cluster mark.Such as, for the network equipment of community 1 correspondence, network equipment can determine that the cell cluster of community 1 correspondence is designated cell cluster 1.
Based on the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, network equipment can determine the running time-frequency resource that cell cluster mark is corresponding.Such as, when cell cluster is designated cell cluster 1, when then network equipment inquires about the corresponding relation between cell cluster mark and running time-frequency resource by cell cluster 1, can determine that the running time-frequency resource of cell cluster 1 correspondence is the running time-frequency resource 1 of the running time-frequency resource 1 of main synchronizing sequence or the running time-frequency resource 2 of secondary synchronization sequences or main synchronizing sequence, the running time-frequency resource 2 of secondary synchronization sequences.
Step 102, network equipment adds cell cluster mark or time-frequency sequence of mapping in the broadcast that community is corresponding, adds sector mark and cell group identification in the running time-frequency resource of the determination of broadcast.Wherein, this time-frequency sequence of mapping is the time-frequency sequence of mapping that running time-frequency resource that this is determined is corresponding.
Such as, network equipment adds cell cluster 1 or time-frequency sequence of mapping in the broadcast of community 1 correspondence, this time-frequency sequence of mapping is the time-frequency sequence of mapping that the running time-frequency resource of this cell cluster 1 correspondence is corresponding, and this time-frequency sequence of mapping uniquely illustrates this running time-frequency resource.
Step 103, network equipment sends broadcast, as periodically sent broadcast.
Step 104, the broadcast that the community that terminal equipment reception network equipment sends is corresponding.
Step 105, terminal equipment obtains cell cluster mark corresponding to community or time-frequency sequence of mapping from broadcast.Wherein, this time-frequency sequence of mapping is the corresponding relation that network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource.
Step 106, terminal equipment utilizes cell cluster to identify or time-frequency sequence of mapping obtains sector mark and cell group identification from broadcast, and utilizes sector mark and cell group identification to generate cell ID.
In the embodiment of the present invention, terminal equipment utilizes cell cluster mark or time-frequency sequence of mapping from broadcast, obtain the process of sector mark and cell group identification, specifically include but not limited to as under type: terminal equipment utilizes time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilizes the running time-frequency resource of the running time-frequency resource of main synchronizing sequence or secondary synchronization sequences from broadcast, obtain sector mark and cell group identification.Or, terminal equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark that terminal equipment utilizes cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that cell cluster mark is corresponding, and the running time-frequency resource utilizing cell cluster to identify correspondence obtains sector mark and cell group identification from broadcast.
Wherein, cell ID is determined jointly by sector mark and cell group identification, and main synchronizing sequence defines the sector mark in cell ID, and secondary synchronization sequences defines the cell group identification in cell ID.
Terminal equipment is after generation cell ID, cell ID can be utilized to complete Cell searching, Cell searching is the first step of terminal equipment access community, when terminal equipment has just been started shooting or has carried out cell merge, all need first to carry out Cell searching, to obtain the basic configuration information of peripheral cell, and then carry out community and accessed transfer of data.Suppose community distribution situation as shown in Figure 2 A, when terminal equipment carries out Cell searching, owing to being divided into cell cluster to each microzonation, therefore first cell cluster search can be carried out, then in cell cluster, Cell searching is carried out further, as shown in Figure 2 B, the community distribution schematic diagram for thinking when terminal equipment carries out the first step of Cell searching.
In current cell ID distributes, each independently community uses a different cell ID, and the sequence corresponding to the mark of different districts takies identical running time-frequency resource and transmits.Under super-intensive network design, when using identical running time-frequency resource to carry PSS and SSS, along with rolling up of number of cells, presence of intercell interference is strong, will bring larger interference at identical running time-frequency resource transmission PSS and SSS.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, subcarrier 6-subcarrier 58 is wherein for Signal transmissions, then all communities take the information of the running time-frequency resource transmission cell ID of subcarrier 6-subcarrier 58 all completely, therefore between different districts, produce strong presence of intercell interference.
In the embodiment of the present invention, adjacent cells is merged into a cell cluster, different districts bunch uses different running time-frequency resources to carry PSS and SSS, and each cell cluster independently carries out the distribution of cell ID to the community in this cell cluster.Under super-intensive network design, can ensure that the community in same cells bunch uses identical running time-frequency resource to carry PSS and SSS, the community in different districts bunch uses different running time-frequency resources to carry PSS and SSS, alleviates presence of intercell interference.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, community in cell cluster 1 takies the information of the running time-frequency resource transmission cell ID of subcarrier 1-subcarrier 53, community in cell cluster 2 takies the information of the running time-frequency resource transmission cell ID of subcarrier 3-subcarrier 55, and the community in cell cluster 3 takies the information of the running time-frequency resource transmission cell ID of subcarrier 5-subcarrier 57.Presence of intercell interference can not be there is between community in community in each cell cluster and other cell cluster.
Embodiment two
A kind of transmission of cell ID and the method for detection are proposed, under the method can be applied to the application scenarios comprising a large amount of community, as being applied in super-intensive network (UDN) in the embodiment of the present invention two.
In the embodiment of the present invention, a large amount of microzonations in network are divided into multiple cell cluster.Such as, in network, there is 1-community, community 10, can dividing cell clusters 1, cell cluster 2 and cell cluster 3, comprise 1-community, community 3 in cell cluster 1, in cell cluster 2, comprise 4-community, community 6, in cell cluster 3, comprise 7-community, community 10.
In the embodiment of the present invention, different cell clusters adopts different running time-frequency resource transmission cell IDs, and identical cell cluster adopts identical running time-frequency resource transmission cell ID.Such as, cell cluster 1 adopts running time-frequency resource 1 to transmit cell ID, and cell cluster 2 adopts running time-frequency resource 2 to transmit cell ID, and cell cluster 3 adopts running time-frequency resource 3 to transmit cell ID.Wherein, this running time-frequency resource is used for carrying sector mark and cell group identification.
In the embodiment of the present invention, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance.Wherein, running time-frequency resource can be the running time-frequency resource of main synchronizing sequence, or the running time-frequency resource of secondary synchronization sequences.Such as, the corresponding relation between the running time-frequency resource 1 network equipment being provided with cell cluster 1 and main synchronizing sequence in advance, or the corresponding relation between the running time-frequency resource 2 of cell cluster 1 and secondary synchronization sequences.
Under above-mentioned application scenarios, as shown in Figure 3, the transmission of this cell ID and the method for detection can comprise the following steps:
Step 301, network equipment determines the cell cluster mark of the cell cluster at place, community, and utilizes the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determines the running time-frequency resource that cell cluster mark is corresponding.
Wherein, network equipment is provided with in advance community and cell cluster identify between corresponding relation, for the network equipment that community is corresponding, this network equipment can utilize community and cell cluster identify between corresponding relation, determine the cell cluster at place, community cell cluster mark.Such as, for the network equipment of community 1 correspondence, network equipment can determine that the cell cluster of community 1 correspondence is designated cell cluster 1.
Based on the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, network equipment can determine the running time-frequency resource that cell cluster mark is corresponding.Such as, when cell cluster is designated cell cluster 1, when then network equipment inquires about the corresponding relation between cell cluster mark and running time-frequency resource by cell cluster 1, can determine that the running time-frequency resource of cell cluster 1 correspondence is the running time-frequency resource 1 of main synchronizing sequence or the running time-frequency resource 2 of secondary synchronization sequences.
Step 302, network equipment determines the time-frequency sequence of mapping that this running time-frequency resource is corresponding.
Wherein, time-frequency sequence of mapping is defined the running time-frequency resource of main synchronizing sequence of this cell cluster or the running time-frequency resource of secondary synchronization sequences, the running time-frequency resource of main synchronizing sequence/secondary synchronization sequences that different time-frequency sequences of mapping is corresponding different, this time-frequency sequence of mapping uniquely illustrates the running time-frequency resource of this main synchronizing sequence/secondary synchronization sequences.Such as, 64 subcarriers are comprised altogether on the frequency domain of WLAN, when the running time-frequency resource of main synchronizing sequence/secondary synchronization sequences is subcarrier 6-subcarrier 58, then the 1st to the 5th of time-frequency sequence of mapping is the first mark (as 0), 6th to the 58th is the second mark (as 1), and the 59th to the 64th is the first mark (as 0).
Step 303, network equipment adds time-frequency sequence of mapping corresponding to running time-frequency resource in the broadcast that community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of broadcast.
In the embodiment of the present invention, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of main synchronizing sequence, then the time-frequency sequence of mapping added in broadcast represents the running time-frequency resource of main synchronizing sequence.In the case, network equipment adds main synchronizing sequence in the running time-frequency resource (i.e. the running time-frequency resource of the main synchronizing sequence that cell cluster mark is corresponding) of broadcast.Afterwards, network equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence, and adds secondary synchronization sequences in the running time-frequency resource of the secondary synchronization sequences of broadcast.Wherein, network equipment utilizes the mode of the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence to be prior art, does not repeat them here.
In the embodiment of the present invention, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of secondary synchronization sequences, then the time-frequency sequence of mapping added in broadcast represents the running time-frequency resource of secondary synchronization sequences.In the case, network equipment adds secondary synchronization sequences in the running time-frequency resource (i.e. the running time-frequency resource of the secondary synchronization sequences that cell cluster mark is corresponding) of broadcast.Afterwards, network equipment utilizes the running time-frequency resource of secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and adds main synchronizing sequence in the running time-frequency resource of the main synchronizing sequence of broadcast.Wherein, network equipment utilize the running time-frequency resource of secondary synchronization sequences to determine the mode of the running time-frequency resource of main synchronizing sequence is for prior art, does not repeat them here.
Wherein, main synchronizing sequence is for representing sector mark, and secondary synchronization sequences is for representing cell group identification.
Step 304, network equipment sends broadcast, as periodically sent broadcast.
Step 305, the broadcast that the community that terminal equipment reception network equipment sends is corresponding.
Step 306, terminal equipment obtains time-frequency sequence of mapping from broadcast.
Wherein, this time-frequency sequence of mapping is the corresponding relation that network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource.
Step 307, terminal equipment utilizes time-frequency sequence of mapping from broadcast, obtain sector mark and cell group identification, and utilizes sector mark and cell group identification to generate cell ID.
In the embodiment of the present invention, terminal equipment utilizes time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilizes the running time-frequency resource of the running time-frequency resource of main synchronizing sequence or secondary synchronization sequences from broadcast, obtain sector mark and cell group identification.
Wherein, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of main synchronizing sequence, then the time-frequency sequence of mapping added in broadcast represents the running time-frequency resource of main synchronizing sequence.In the case, terminal equipment utilizes the time-frequency sequence of mapping carried in broadcast to determine the running time-frequency resource of main synchronizing sequence, and detects main synchronizing sequence from the running time-frequency resource of the main synchronizing sequence of broadcast; If main synchronizing sequence detected, then from main synchronizing sequence, obtain sector mark.Afterwards, terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the secondary synchronization sequences of broadcast; If secondary synchronization sequences detected, then from secondary synchronization sequences, obtain cell group identification.Wherein, network equipment utilizes the mode of the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence to be prior art, does not repeat them here.
Wherein, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of secondary synchronization sequences, then the time-frequency sequence of mapping added in broadcast represents the running time-frequency resource of secondary synchronization sequences.In the case, terminal equipment utilizes the running time-frequency resource of the time-frequency sequence of mapping determination secondary synchronization sequences carried in broadcast, and utilizes the running time-frequency resource of secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence.Afterwards, terminal equipment detects main synchronizing sequence from the running time-frequency resource of the main synchronizing sequence of broadcast; If main synchronizing sequence detected, then from main synchronizing sequence, obtain sector mark.Terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the secondary synchronization sequences of broadcast; If secondary synchronization sequences detected, then from secondary synchronization sequences, obtain cell group identification.Wherein, network equipment utilize the running time-frequency resource of secondary synchronization sequences to determine the mode of the running time-frequency resource of main synchronizing sequence is for prior art, does not repeat them here.
Wherein, cell ID is determined jointly by sector mark and cell group identification, and main synchronizing sequence defines the sector mark in cell ID, and secondary synchronization sequences defines the cell group identification in cell ID.
In the embodiment of the present invention, terminal equipment is in the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then next broadcast corresponding with the respective cell received for current broadcast is superposed, and detect main synchronizing sequence from the broadcast after superposition.Terminal equipment is in the process detected secondary synchronization sequences, if secondary synchronization sequences do not detected, then next broadcast corresponding with the respective cell received for current broadcast is superposed, and detect secondary synchronization sequences from the broadcast after superposition.Wherein, in the process that main synchronizing sequence or secondary synchronization sequences are detected, do not detect that the reason of main synchronizing sequence or secondary synchronization sequences may be that the received power of broadcast is too little, cause main synchronizing sequence or secondary synchronization sequences being detected.Based on this, in the embodiment of the present invention, current broadcast superposed with next broadcast, then the received power of the broadcast after superposition can become large, thus makes terminal equipment main synchronizing sequence or secondary synchronization sequences likely be detected.The mode that the next broadcast corresponding with the respective cell received to current broadcast superposes is prior art, does not repeat them here.
Terminal equipment, in the process detected main synchronizing sequence, if main synchronizing sequence detected, then performs the process detected secondary synchronization sequences.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then store current broadcast, and the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, to increase the received power of broadcast.Based on the broadcast after superposition, terminal equipment continues to perform the process detected secondary synchronization sequences.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then testing process failure.
Terminal equipment is in the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then store current broadcast, and the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, to increase the received power of broadcast.Based on the broadcast after superposition, terminal equipment continues to perform the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then and testing process failure.If main synchronizing sequence detected, then direct based on superposition after broadcast perform the process that secondary synchronization sequences is detected.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then testing process failure.
Based on aforesaid way, if main synchronizing sequence or secondary synchronization sequences do not detected based on current broadcast, be not directly determine testing process failure in the embodiment of the present invention, but the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, thus improve the received power of broadcast, and improve the success rate detected.
In current cell ID distributes, each independently community uses a different cell ID, and the sequence corresponding to the mark of different districts takies identical running time-frequency resource and transmits.Under super-intensive network design, when using identical running time-frequency resource to carry PSS and SSS, along with rolling up of number of cells, presence of intercell interference is strong, will bring larger interference at identical running time-frequency resource transmission PSS and SSS.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, subcarrier 6-subcarrier 58 is wherein for Signal transmissions, then all communities take the information of the running time-frequency resource transmission cell ID of subcarrier 6-subcarrier 58 all completely, therefore between different districts, produce strong presence of intercell interference.
In the embodiment of the present invention, adjacent cells is merged into a cell cluster, different districts bunch uses different running time-frequency resources to carry PSS and SSS, and each cell cluster independently carries out the distribution of cell ID to the community in this cell cluster.Under super-intensive network design, can ensure that the community in same cells bunch uses identical running time-frequency resource to carry PSS and SSS, the community in different districts bunch uses different running time-frequency resources to carry PSS and SSS, alleviates presence of intercell interference.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, community in cell cluster 1 takies the information of the running time-frequency resource transmission cell ID of subcarrier 1-subcarrier 53, community in cell cluster 2 takies the information of the running time-frequency resource transmission cell ID of subcarrier 3-subcarrier 55, and the community in cell cluster 3 takies the information of the running time-frequency resource transmission cell ID of subcarrier 5-subcarrier 57.Presence of intercell interference can not be there is between community in community in each cell cluster and other cell cluster.
Embodiment three
A kind of transmission of cell ID and the method for detection are proposed, under the method can be applied to the application scenarios comprising a large amount of community, as being applied in super-intensive network (UDN) in the embodiment of the present invention three.
In the embodiment of the present invention, a large amount of microzonations in network are divided into multiple cell cluster.Such as, in network, there is 1-community, community 10, can dividing cell clusters 1, cell cluster 2 and cell cluster 3, comprise 1-community, community 3 in cell cluster 1, in cell cluster 2, comprise 4-community, community 6, in cell cluster 3, comprise 7-community, community 10.
In the embodiment of the present invention, different cell clusters adopts different running time-frequency resource transmission cell IDs, and identical cell cluster adopts identical running time-frequency resource transmission cell ID.Such as, cell cluster 1 adopts running time-frequency resource 1 to transmit cell ID, and cell cluster 2 adopts running time-frequency resource 2 to transmit cell ID, and cell cluster 3 adopts running time-frequency resource 3 to transmit cell ID.Wherein, this running time-frequency resource is used for carrying sector mark and cell group identification.
In the embodiment of the present invention, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, and corresponding relation terminal equipment is provided with in advance between cell cluster mark and running time-frequency resource, cell cluster mark pre-configured on network equipment is identical with the corresponding relation that cell cluster pre-configured on the corresponding relation between running time-frequency resource and terminal equipment identifies between running time-frequency resource.In specific implementation, by network equipment, the corresponding relation that cell cluster identifies between running time-frequency resource can be informed to terminal equipment, store the corresponding relation between cell cluster mark with running time-frequency resource by terminal equipment; Also can by the user's directly corresponding relation of allocating cell bunch between mark with running time-frequency resource on the terminal device.For the configuration mode of the corresponding relation between cell cluster mark and running time-frequency resource, repeat no longer in detail in the embodiment of the present invention.
Wherein, running time-frequency resource can be the running time-frequency resource of main synchronizing sequence, or the running time-frequency resource of secondary synchronization sequences, or the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences.Such as, corresponding relation between the running time-frequency resource 1 network equipment being provided with cell cluster 1 and main synchronizing sequence in advance, or the corresponding relation between the running time-frequency resource 2 of cell cluster 1 and secondary synchronization sequences, or the running time-frequency resource 1 of cell cluster 1 and main synchronizing sequence, secondary synchronization sequences running time-frequency resource 2 between corresponding relation.
Under above-mentioned application scenarios, as shown in Figure 4, the transmission of this cell ID and the method for detection can comprise the following steps:
Step 401, network equipment determines the cell cluster mark of the cell cluster at place, community, and utilizes the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determines the running time-frequency resource that cell cluster mark is corresponding.
Wherein, network equipment is provided with in advance community and cell cluster identify between corresponding relation, for the network equipment that community is corresponding, this network equipment can utilize community and cell cluster identify between corresponding relation, determine the cell cluster at place, community cell cluster mark.Such as, for the network equipment of community 1 correspondence, network equipment can determine that the cell cluster of community 1 correspondence is designated cell cluster 1.
Based on the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, network equipment can determine the running time-frequency resource that cell cluster mark is corresponding.Such as, when cell cluster is designated cell cluster 1, when then network equipment inquires about the corresponding relation between cell cluster mark and running time-frequency resource by cell cluster 1, can determine that the running time-frequency resource of cell cluster 1 correspondence is the running time-frequency resource 1 of the running time-frequency resource 1 of main synchronizing sequence or the running time-frequency resource 2 of secondary synchronization sequences or main synchronizing sequence and the running time-frequency resource 2 of secondary synchronization sequences.
Step 402, network equipment adds cell cluster mark in the broadcast that community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of this broadcast.
In the embodiment of the present invention, if on network equipment the running time-frequency resource of pre-configured cell cluster mark and main synchronizing sequence, secondary synchronization sequences running time-frequency resource between corresponding relation, then network equipment adds main synchronizing sequence in the running time-frequency resource of the main synchronizing sequence of broadcast, and adds secondary synchronization sequences in the running time-frequency resource of the secondary synchronization sequences of broadcast.Or if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of main synchronizing sequence, then network equipment adds main synchronizing sequence in the running time-frequency resource of the main synchronizing sequence of broadcast; Network equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence, and adds secondary synchronization sequences in the running time-frequency resource of the secondary synchronization sequences of broadcast.Or if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of secondary synchronization sequences, then network equipment utilizes the running time-frequency resource of secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Network equipment adds main synchronizing sequence in the running time-frequency resource of the main synchronizing sequence of broadcast, and adds secondary synchronization sequences in the running time-frequency resource of the secondary synchronization sequences of broadcast.
Wherein, network equipment utilizes the mode of the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence to be prior art, does not repeat them here.Network equipment utilizes the running time-frequency resource of secondary synchronization sequences to determine, and the mode of the running time-frequency resource of main synchronizing sequence is for prior art, does not repeat them here.
Wherein, main synchronizing sequence is for representing sector mark, and secondary synchronization sequences is for representing cell group identification.
Step 403, network equipment sends broadcast, as periodically sent broadcast.
Step 404, the broadcast that the community that terminal equipment reception network equipment sends is corresponding.
Step 405, terminal equipment obtains cell cluster mark from broadcast.
Step 406, terminal equipment utilizes cell cluster to identify from broadcast, obtains sector mark and cell group identification, and utilizes sector mark and cell group identification to generate cell ID.
In the embodiment of the present invention, corresponding relation between the cell cluster mark that terminal equipment utilizes cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that cell cluster mark is corresponding, and the running time-frequency resource utilizing cell cluster to identify correspondence obtains sector mark and cell group identification from broadcast.
Wherein, if on network equipment the running time-frequency resource of pre-configured cell cluster mark and main synchronizing sequence, secondary synchronization sequences running time-frequency resource between corresponding relation, corresponding relation between the running time-frequency resource of the running time-frequency resource of pre-configured cell cluster mark and main synchronizing sequence, secondary synchronization sequences on the terminal device, when the cell cluster that then terminal equipment utilizes cell cluster identified query pre-configured identifies the corresponding relation between running time-frequency resource, determine the cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences.Afterwards, terminal equipment detects main synchronizing sequence from the running time-frequency resource of the main synchronizing sequence of broadcast; If main synchronizing sequence detected, then from main synchronizing sequence, obtain sector mark.Terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the secondary synchronization sequences of broadcast; If secondary synchronization sequences detected, then from secondary synchronization sequences, obtain cell group identification.
Wherein, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of main synchronizing sequence, corresponding relation on the terminal device between pre-configured cell cluster mark and the running time-frequency resource of main synchronizing sequence, when the cell cluster that then terminal equipment utilizes cell cluster identified query pre-configured identifies the corresponding relation between running time-frequency resource, determine the running time-frequency resource of the corresponding main synchronizing sequence of cell cluster mark.Afterwards, terminal equipment detects main synchronizing sequence from the running time-frequency resource of the main synchronizing sequence of broadcast; If main synchronizing sequence detected, then from main synchronizing sequence, obtain sector mark.Terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the secondary synchronization sequences of broadcast; If secondary synchronization sequences detected, then from secondary synchronization sequences, obtain cell group identification.Wherein, network equipment utilizes the mode of the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of main synchronizing sequence to be prior art, does not repeat them here.
In the embodiment of the present invention, if the corresponding relation on network equipment between pre-configured cell cluster mark and the running time-frequency resource of secondary synchronization sequences, corresponding relation on the terminal device between pre-configured cell cluster mark and the running time-frequency resource of secondary synchronization sequences, when the cell cluster that then terminal equipment utilizes cell cluster identified query pre-configured identifies the corresponding relation between running time-frequency resource, determine that cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences.Afterwards, terminal equipment utilizes the running time-frequency resource of secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detects main synchronizing sequence from the running time-frequency resource of the main synchronizing sequence of broadcast; If main synchronizing sequence detected, then from main synchronizing sequence, obtain sector mark.Terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the secondary synchronization sequences of broadcast; If secondary synchronization sequences detected, then from secondary synchronization sequences, obtain cell group identification.Wherein, network equipment utilize the running time-frequency resource of secondary synchronization sequences to determine the mode of the running time-frequency resource of main synchronizing sequence is for prior art, does not repeat them here.
Wherein, cell ID is determined jointly by sector mark and cell group identification, and main synchronizing sequence defines the sector mark in cell ID, and secondary synchronization sequences defines the cell group identification in cell ID.
In the embodiment of the present invention, terminal equipment is in the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then next broadcast corresponding with the respective cell received for current broadcast is superposed, and detect main synchronizing sequence from the broadcast after superposition.Terminal equipment is in the process detected secondary synchronization sequences, if secondary synchronization sequences do not detected, then next broadcast corresponding with the respective cell received for current broadcast is superposed, and detect secondary synchronization sequences from the broadcast after superposition.Wherein, in the process that main synchronizing sequence or secondary synchronization sequences are detected, do not detect that the reason of main synchronizing sequence or secondary synchronization sequences may be that the received power of broadcast is too little, cause main synchronizing sequence or secondary synchronization sequences being detected.Based on this, in the embodiment of the present invention, current broadcast superposed with next broadcast, then the received power of the broadcast after superposition can become large, thus makes terminal equipment main synchronizing sequence or secondary synchronization sequences likely be detected.The mode that the next broadcast corresponding with the respective cell received to current broadcast superposes is prior art, does not repeat them here.
Terminal equipment, in the process detected main synchronizing sequence, if main synchronizing sequence detected, then performs the process detected secondary synchronization sequences.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then store current broadcast, and the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, to increase the received power of broadcast.Based on the broadcast after superposition, terminal equipment continues to perform the process detected secondary synchronization sequences.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then testing process failure.
Terminal equipment is in the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then store current broadcast, and the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, to increase the received power of broadcast.Based on the broadcast after superposition, terminal equipment continues to perform the process detected main synchronizing sequence, if main synchronizing sequence do not detected, then and testing process failure.If main synchronizing sequence detected, then direct based on superposition after broadcast perform the process that secondary synchronization sequences is detected.If secondary synchronization sequences detected, then determine sector mark and cell group identification, and detection of end process.If secondary synchronization sequences do not detected, then testing process failure.
Based on aforesaid way, if main synchronizing sequence or secondary synchronization sequences do not detected based on current broadcast, be not directly determine testing process failure in the embodiment of the present invention, but the next broadcast of wait-receiving mode, and next broadcast corresponding with the respective cell received for current broadcast is superposed, thus improve the received power of broadcast, and improve the success rate detected.
In current cell ID distributes, each independently community uses a different cell ID, and the sequence corresponding to the mark of different districts takies identical running time-frequency resource and transmits.Under super-intensive network design, when using identical running time-frequency resource to carry PSS and SSS, along with rolling up of number of cells, presence of intercell interference is strong, will bring larger interference at identical running time-frequency resource transmission PSS and SSS.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, subcarrier 6-subcarrier 58 is wherein for Signal transmissions, then all communities take the information of the running time-frequency resource transmission cell ID of subcarrier 6-subcarrier 58 all completely, therefore between different districts, produce strong presence of intercell interference.
In the embodiment of the present invention, adjacent cells is merged into a cell cluster, different districts bunch uses different running time-frequency resources to carry PSS and SSS, and each cell cluster independently carries out the distribution of cell ID to the community in this cell cluster.Under super-intensive network design, can ensure that the community in same cells bunch uses identical running time-frequency resource to carry PSS and SSS, the community in different districts bunch uses different running time-frequency resources to carry PSS and SSS, alleviates presence of intercell interference.Such as, for the frequency domain of running time-frequency resource, for 20MHz bandwidth, the frequency domain of WLAN comprises altogether 64 subcarriers, community in cell cluster 1 takies the information of the running time-frequency resource transmission cell ID of subcarrier 1-subcarrier 53, community in cell cluster 2 takies the information of the running time-frequency resource transmission cell ID of subcarrier 3-subcarrier 55, and the community in cell cluster 3 takies the information of the running time-frequency resource transmission cell ID of subcarrier 5-subcarrier 57.Presence of intercell interference can not be there is between community in community in each cell cluster and other cell cluster.
Embodiment four
Based on the inventive concept same with said method, a kind of network equipment is additionally provided in the embodiment of the present invention, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, described network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, as shown in Figure 5, described network equipment specifically comprises: determination module 11, for determining the cell cluster mark of the cell cluster at place, community, and utilize the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determine the running time-frequency resource that described cell cluster mark is corresponding, processing module 12, for adding described cell cluster mark or time-frequency sequence of mapping in the broadcast that described community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, wherein, described time-frequency sequence of mapping is the time-frequency sequence of mapping that described running time-frequency resource is corresponding, sending module 13, for sending described broadcast.
Preferably, described processing module 12, specifically for adding in the process of sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, when adding time-frequency sequence of mapping in described broadcast, main synchronizing sequence is added in the described running time-frequency resource determined of described broadcast, and utilize the running time-frequency resource of the described running time-frequency resource determination secondary synchronization sequences determined, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, secondary synchronization sequences is added in the described running time-frequency resource determined of described broadcast, and utilize the described running time-frequency resource determined to determine the running time-frequency resource of main synchronizing sequence, and add main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast; Or,
When adding described cell cluster mark in described broadcast, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence, main synchronizing sequence is added in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of secondary synchronization sequences, the running time-frequency resource of described secondary synchronization sequences is utilized to determine the running time-frequency resource of main synchronizing sequence, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast;
Wherein, described main synchronizing sequence is for representing described sector mark, and described secondary synchronization sequences is for representing described cell group identification.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
Embodiment five
Based on the inventive concept same with said method, a kind of terminal equipment is additionally provided in the embodiment of the present invention, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, as shown in Figure 6, described terminal equipment specifically comprises:
Receiver module 21, the broadcast that the community for receiving network equipment transmission is corresponding;
Obtaining module 22, for obtaining cell cluster mark corresponding to described community or time-frequency sequence of mapping from described broadcast, and utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain sector mark and cell group identification from described broadcast; Wherein, described time-frequency sequence of mapping is the corresponding relation that described network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the described cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource;
Generation module 23, generates cell ID for utilizing described sector mark and cell group identification.
Preferably, described acquisition module 22, specifically for utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain from described broadcast in the process of sector mark and cell group identification, utilize described time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilize the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences to obtain sector mark and cell group identification from described broadcast; Or, when described terminal equipment being provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark utilizing described cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that described cell cluster mark is corresponding, and the running time-frequency resource utilizing described cell cluster to identify correspondence obtains sector mark and cell group identification from described broadcast;
Wherein, described acquisition module 22 obtains in the process of sector mark and cell group identification utilizing the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences from described broadcast, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Main synchronizing sequence is detected from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
Wherein, the running time-frequency resource that described cell cluster mark is corresponding comprises the running time-frequency resource of main synchronizing sequence and/or the running time-frequency resource of secondary synchronization sequences; The running time-frequency resource that described acquisition module 22 is utilizing described cell cluster to identify correspondence obtains in the process of sector mark and cell group identification from described broadcast, if the described cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences, detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if the running time-frequency resource of the corresponding main synchronizing sequence of described cell cluster mark, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if described cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
For systems/devices embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
One of ordinary skill in the art will appreciate that all or part of step realized in said method execution mode is that the hardware that can carry out instruction relevant by program has come, described program can be stored in computer read/write memory medium, here the alleged storage medium obtained, as: ROM/RAM, magnetic disc, CD etc.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.

Claims (10)

1. the transmission method of a cell ID, it is characterized in that, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, said method comprising the steps of:
Network equipment determines the cell cluster mark of the cell cluster at place, community, and utilizes the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determines the running time-frequency resource that described cell cluster mark is corresponding;
Described network equipment adds described cell cluster mark or time-frequency sequence of mapping in the broadcast that described community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast; Wherein, described time-frequency sequence of mapping is the time-frequency sequence of mapping that described running time-frequency resource is corresponding;
Described network equipment sends described broadcast.
2. the method for claim 1, is characterized in that, described network equipment adds the process of sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, specifically comprises:
When adding time-frequency sequence of mapping in described broadcast, described network equipment adds main synchronizing sequence in the described running time-frequency resource determined of described broadcast, and utilize the running time-frequency resource of the described running time-frequency resource determination secondary synchronization sequences determined, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, described network equipment adds secondary synchronization sequences in the described running time-frequency resource determined of described broadcast, and utilize the described running time-frequency resource determined to determine the running time-frequency resource of main synchronizing sequence, and add main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast; Or,
When adding described cell cluster mark in described broadcast, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences, then described network equipment adds main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and adds secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence, then described network equipment adds main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of secondary synchronization sequences, then described network equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast;
Wherein, described main synchronizing sequence is for representing described sector mark, and described secondary synchronization sequences is for representing described cell group identification.
3. the detection method of a cell ID, it is characterized in that, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, said method comprising the steps of:
The broadcast that the community that terminal equipment reception network equipment sends is corresponding;
Described terminal equipment obtains cell cluster mark corresponding to described community or time-frequency sequence of mapping from described broadcast, described time-frequency sequence of mapping is the corresponding relation that network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource;
Described terminal equipment utilizes described cell cluster to identify or described time-frequency sequence of mapping obtains sector mark and cell group identification from described broadcast, and utilizes described sector mark and cell group identification to generate cell ID.
4. method as claimed in claim 3, is characterized in that, described terminal equipment utilizes described cell cluster mark or described time-frequency sequence of mapping from described broadcast, obtain the process of sector mark and cell group identification, specifically comprises:
Described terminal equipment utilizes described time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilizes the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences to obtain sector mark and cell group identification from described broadcast; Or,
Described terminal equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark that described terminal equipment utilizes described cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that described cell cluster mark is corresponding, and the running time-frequency resource utilizing described cell cluster to identify correspondence obtains sector mark and cell group identification from described broadcast.
5. method as claimed in claim 4, it is characterized in that, described terminal equipment utilizes the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences from described broadcast, obtain the process of sector mark and cell group identification, specifically comprises:
Described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or,
Described terminal equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
6. method as claimed in claim 4, is characterized in that, the running time-frequency resource of described cell cluster mark correspondence comprises the running time-frequency resource of main synchronizing sequence and/or the running time-frequency resource of secondary synchronization sequences;
The running time-frequency resource that described terminal equipment utilizes described cell cluster to identify correspondence obtains the process of sector mark and cell group identification from described broadcast, specifically comprises:
If the described cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences, described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
If the running time-frequency resource of the corresponding main synchronizing sequence of described cell cluster mark, described terminal equipment detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment utilizes the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
If described cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences, described terminal equipment utilizes the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detects main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Described terminal equipment detects secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
7. a network equipment, it is characterized in that, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, described network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, described network equipment specifically comprises:
Determination module, for determining the cell cluster mark of the cell cluster at place, community, and utilizing the corresponding relation between pre-configured cell cluster mark and running time-frequency resource, determining the running time-frequency resource that described cell cluster mark is corresponding;
Processing module, for adding described cell cluster mark or time-frequency sequence of mapping in the broadcast that described community is corresponding, and adds sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast; Wherein, described time-frequency sequence of mapping is the time-frequency sequence of mapping that described running time-frequency resource is corresponding;
Sending module, for sending described broadcast.
8. network equipment as claimed in claim 7, is characterized in that,
Described processing module, specifically for adding in the process of sector mark and cell group identification in the running time-frequency resource of the determination of described broadcast, when adding time-frequency sequence of mapping in described broadcast, main synchronizing sequence is added in the described running time-frequency resource determined of described broadcast, and utilize the running time-frequency resource of the described running time-frequency resource determination secondary synchronization sequences determined, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast; Or, secondary synchronization sequences is added in the described running time-frequency resource determined of described broadcast, and utilize the described running time-frequency resource determined to determine the running time-frequency resource of main synchronizing sequence, and add main synchronizing sequence in the running time-frequency resource of the described main synchronizing sequence of described broadcast; Or,
When adding described cell cluster mark in described broadcast, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence and the running time-frequency resource of secondary synchronization sequences, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of main synchronizing sequence, main synchronizing sequence is added in the running time-frequency resource of the described main synchronizing sequence of described broadcast, and utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, in the running time-frequency resource of the described secondary synchronization sequences of described broadcast, add secondary synchronization sequences; Or, if the running time-frequency resource determined described comprises the running time-frequency resource of secondary synchronization sequences, the running time-frequency resource of described secondary synchronization sequences is utilized to determine the running time-frequency resource of main synchronizing sequence, in the running time-frequency resource of the described main synchronizing sequence of described broadcast, add main synchronizing sequence, and add secondary synchronization sequences in the running time-frequency resource of the described secondary synchronization sequences of described broadcast;
Wherein, described main synchronizing sequence is for representing described sector mark, and described secondary synchronization sequences is for representing described cell group identification.
9. a terminal equipment, it is characterized in that, be applied in the network comprising multiple cell cluster, different cell clusters adopts different running time-frequency resource transmission cell IDs, network equipment is provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, described terminal equipment specifically comprises:
Receiver module, the broadcast that the community for receiving network equipment transmission is corresponding;
Obtaining module, for obtaining cell cluster mark corresponding to described community or time-frequency sequence of mapping from described broadcast, and utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain sector mark and cell group identification from described broadcast; Wherein, described time-frequency sequence of mapping is the corresponding relation that described network equipment utilizes between pre-configured cell cluster mark and running time-frequency resource, and the described cell cluster determined identifies time-frequency sequence of mapping corresponding to corresponding running time-frequency resource;
Generation module, generates cell ID for utilizing described sector mark and cell group identification.
10. terminal equipment as claimed in claim 9, is characterized in that,
Described acquisition module, specifically for utilizing described cell cluster mark or described time-frequency sequence of mapping to obtain from described broadcast in the process of sector mark and cell group identification, utilize described time-frequency sequence of mapping to determine the running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences, and utilize the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences to obtain sector mark and cell group identification from described broadcast; Or, when described terminal equipment being provided with the corresponding relation between cell cluster mark and running time-frequency resource in advance, corresponding relation between the cell cluster mark utilizing described cell cluster identified query pre-configured and running time-frequency resource, obtain the running time-frequency resource that described cell cluster mark is corresponding, and the running time-frequency resource utilizing described cell cluster to identify correspondence obtains sector mark and cell group identification from described broadcast;
Wherein, described acquisition module obtains in the process of sector mark and cell group identification utilizing the described running time-frequency resource of main synchronizing sequence or the running time-frequency resource of secondary synchronization sequences from described broadcast, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence; Main synchronizing sequence is detected from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification;
Wherein, the running time-frequency resource that described cell cluster mark is corresponding comprises the running time-frequency resource of main synchronizing sequence and/or the running time-frequency resource of secondary synchronization sequences; The running time-frequency resource that described acquisition module is utilizing described cell cluster to identify correspondence obtains in the process of sector mark and cell group identification from described broadcast, if the described cell cluster corresponding running time-frequency resource of main synchronizing sequence of mark and the running time-frequency resource of secondary synchronization sequences, detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if the running time-frequency resource of the corresponding main synchronizing sequence of described cell cluster mark, from the running time-frequency resource of the described main synchronizing sequence of described broadcast, detect main synchronizing sequence; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Utilize the running time-frequency resource of the running time-frequency resource determination secondary synchronization sequences of described main synchronizing sequence, and detect secondary synchronization sequences from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification; Or, if described cell cluster identifies the running time-frequency resource of corresponding secondary synchronization sequences, utilize the running time-frequency resource of described secondary synchronization sequences to determine the running time-frequency resource of main synchronizing sequence, and detect main synchronizing sequence from the running time-frequency resource of the described main synchronizing sequence of described broadcast; If described main synchronizing sequence detected, then from described main synchronizing sequence, obtain described sector mark; Secondary synchronization sequences is detected from the running time-frequency resource of the described secondary synchronization sequences of described broadcast; If described secondary synchronization sequences detected, then from described secondary synchronization sequences, obtain described cell group identification.
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