CN103428680A - Method and device for enabling subordination base station to provide service - Google Patents
Method and device for enabling subordination base station to provide service Download PDFInfo
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- CN103428680A CN103428680A CN2012101642247A CN201210164224A CN103428680A CN 103428680 A CN103428680 A CN 103428680A CN 2012101642247 A CN2012101642247 A CN 2012101642247A CN 201210164224 A CN201210164224 A CN 201210164224A CN 103428680 A CN103428680 A CN 103428680A
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Abstract
The invention discloses a method and device for enabling a subordination base station to provide service. The method comprises: information sent by a terminal may be received by the subordination base station, wherein the subordination base station or other network elements related with the subordination base station determines whether to allow the subordination base station to provide service to the terminal according to the receiving situation of the information; a reference signal may be sent also by the subordination base station; and the terminal, after receiving the reference signal, gives a feedback about information and/or location information obtained based on the reference signal to the subordination base station or the other network elements related with the subordination base station. By using the method and device provided by the invention, the coverage scope of the terminal in the subordination base station can be discovered in a rapid and high-efficient manner.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind ofly realize that slave base stations provides the method and apparatus of service.
Background technology
Along with the development of mobile Internet and popularizing of smart mobile phone, the Mobile data traffic demand rapidly increases, and the data service of rapid growth has proposed severe challenge to the transmittability of mobile communications network.
For meeting the need of market, LTE (the Long Term Evolution that 3GPP standardization body (Third Generation Partnership Project third generation collaborative project) formulates, Long Term Evolution) standard is constantly introduced Enhanced Technology so that version is upgraded, heterogeneous network (heterogeneous network) technology of for example introducing for improving network capacity in R10 and R11 version, increase network capacity by the mode that increases website density, improve indoor or focus covering.Heterogeneous network is comprised of macro base station, micro-base station, femto base station, Home eNodeB, relay station, the first-class dissimilar website of remote radio frequency, generally, these websites are distinguished by cell ID, this just causes between base station existing the interference problem of synchronizing channel, control channel, Traffic Channel, reference signal, when terminal moves between these base stations, need to switch, also can affect user's service experience.
In order to address the above problem, introduced the concept of slave base stations, such base station (for example micro-base station, femto base station, Home eNodeB, remote radio frequency are first-class) does not have the cell ID of oneself, be subordinated to a main control base station (for example macro base station) that coverage is larger, share the cell ID of this main control base station, system information or control information with broadcast nature are generally also sent by this main control base station, and terminal is unaware of the existence of slave base stations usually.In the time of in fast mobile terminal arrives the slave base stations coverage, main control base station or other network elements relevant to this slave base stations can allow described slave base stations provide service for terminal, and it is that slave base stations provides service for it that terminal generally is unaware of.At present, also can't find quickly and efficiently that terminal is positioned at the coverage of slave base stations.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of and realizes that slave base stations provides the method and apparatus of service, to find quickly and efficiently terminal, is positioned at the coverage of slave base stations.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind ofly realize that slave base stations provides the method for service, the method comprises:
The information that the slave base stations receiving terminal sends; Described slave base stations or other network elements reception condition based on described information relevant to this slave base stations determine whether allow described slave base stations provide service for described terminal.
The method also comprises:
Described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
The main control base station of described slave base stations or described other network elements determine whether to allow described slave base stations receive the information that described terminal sends according to described neighboring BS information.
The method also comprises:
The main control base station of described slave base stations or described other network elements send indication information to described slave base stations in advance, and this indication information is used to indicate described slave base stations and receives the information that described terminal sends; Or described terminal is sent to the location information notification of moment of described information and/or frequency domain resource to described slave base stations.
The described information that described terminal sends be following one of at least: uplink reference signals, uplink business data, ascending control information.
When described information is uplink reference signals, the received signal to noise ratio that described reception condition is described uplink reference signals or Signal to Interference plus Noise Ratio;
When described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than threshold value, described slave base stations provides service for described terminal.
When described information is uplink business data or ascending control information, the received signal to noise ratio that described reception condition is described business datum or control information or Signal to Interference plus Noise Ratio or no can successfully the decoding;
When described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than threshold value, or while successfully decoding described business datum or control information, described slave base stations provides service for described terminal;
It is one of following that described uplink business data at least comprises: the transmission power information of terminal, the positional information of terminal, the identification information of terminal.
The method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends downlink reference signal, and described terminal is obtained channel quality information according to described downlink reference signal, and feeds back to described slave base stations.
The method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
Described Downlink Control Information is the clean culture Downlink Control Information relevant with described terminal.
When described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the resource on the carrier frequency of described slave base stations being worked by described Downlink Control Information is distributed to described terminal.
The method also comprises:
If determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
The method also comprises:
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
The method also comprises:
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control to the uplink business data sent.
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
When described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
The resource location used when described terminal sends described information or content, relevant with the cell ID of the main control base station that service is provided for described terminal.
A kind ofly realize that slave base stations provides the method for service, the method comprises:
Slave base stations sends reference signal; After terminal receives described reference signal, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements relevant to this slave base stations.
The described information obtained based on described reference signal be following one of at least: the subordinate cell identity information of slave base stations, channel information, channel quality information.
The method also comprises:
Described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
The main control base station of described slave base stations or other network elements determine whether to allow described terminal receive the described reference signal sent by described slave base stations according to described neighboring BS information.
The method also comprises:
The described slave base stations of the main control base station of described slave base stations or other network element prior notices sends the moment or resource or the signal format of reference signal.
The method also comprises:
The main control base station of described slave base stations or other network elements send described slave base stations in advance moment of reference signal or resource or signal format and notify to described terminal.
The method also comprises:
The main control base station of described slave base stations or the described terminal of other network element prior notices receive described reference signal.
The running time-frequency resource that described slave base stations sends reference signal is default configuration.
Described slave base stations sends the running time-frequency resource of reference signal, relevant with the cell ID of the main control base station of described slave base stations.
The method also comprises:
When described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the main control base station of described slave base stations or described other network elements notify the carrier frequency of described slave base stations work to described terminal.
The method also comprises:
Described slave base stations or other network elements determine whether by described slave base stations, for described terminal, provide service according to the feedback information of described terminal.
When described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
The method also comprises:
If determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
The method also comprises:
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
The method also comprises:
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control to the uplink business data sent.
The method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
The method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations or other network elements notify described terminal to receive the Downlink Control Information that described slave base stations sends.
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
The running time-frequency resource used when described slave base stations sends reference signal, the running time-frequency resource used when the main control base station that is different from described slave base stations sends synchronizing signal.
A kind ofly realize that slave base stations provides the device of service, this device is used for:
The information that receiving terminal sends; And the reception condition based on described information determines whether allow slave base stations provide service for described terminal.
This device is slave base stations or other network elements relevant to this slave base stations.
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
When whether this device determines to allow described slave base stations provide service for described terminal, loading condition and/or the disturbed condition for considering described slave base stations also.
A kind ofly realize that slave base stations provides the device of service, this device is used for:
Receive the reference signal that slave base stations sends, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements relevant to this slave base stations.
Described slave base stations or other network elements are for determining whether by described slave base stations, for terminal, provide service according to described device institute feedack.
When whether described slave base stations or other network elements determine to allow described slave base stations provide service for described terminal, loading condition and/or the disturbed condition for considering described slave base stations also.
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
This device is terminal.
The present invention realizes that slave base stations provides the method and apparatus of service, the information that can be sent by the slave base stations receiving terminal; Described slave base stations or other network elements reception condition based on described information relevant to this slave base stations determine whether allow described slave base stations provide service for described terminal.Also can send reference signal by slave base stations; After terminal receives described reference signal, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements relevant to this slave base stations.The inventive method and device, can find that terminal is positioned at the coverage of slave base stations quickly and efficiently.
The accompanying drawing explanation
The slave base stations that realizes that Fig. 1 is one embodiment of the invention provides the general flow chart of service;
The specific implementation flow chart that Fig. 2 a to Fig. 2 c is Fig. 1;
The slave base stations that realizes that Fig. 3 is another embodiment of the present invention provides the general flow chart of service;
The specific implementation flow chart that Fig. 4 a to Fig. 4 g is Fig. 3.
Embodiment
In actual applications, the information that can be sent by the slave base stations receiving terminal, described slave base stations or other network elements (hereinafter to be referred as other network element) relevant to this slave base stations can the reception condition based on described information determine whether allow described slave base stations provide service for described terminal.
Further, described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
Preferably, the main control base station of described slave base stations or described other network elements determine whether to allow described slave base stations receive the information that described terminal sends according to described neighboring BS information.
Further, the main control base station of described slave base stations or described other network elements send indication information to described slave base stations in advance, and this indication information is used to indicate described slave base stations and receives the information that described terminal sends; Or described terminal is sent to the location information notification of moment of described information and/or frequency domain resource to described slave base stations.
Further, the described information that described terminal sends can for following one of at least: uplink reference signals, uplink business data, ascending control information.
Preferably, when described information is uplink reference signals, the received signal to noise ratio that described reception condition is described uplink reference signals or Signal to Interference plus Noise Ratio.
Preferably, when described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than a threshold value, described slave base stations provides service for described terminal.
Preferably, when described information is uplink business data or ascending control information, the received signal to noise ratio that described reception condition is described business datum or control information or Signal to Interference plus Noise Ratio or no can successfully the decoding.
Preferably, when described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than a threshold value, or while successfully decoding described business datum or control information, described slave base stations provides service for described terminal.
Preferably, described uplink business data at least comprises one of following: the transmission power information of terminal, the positional information of terminal, the identification information of terminal.
Further, if determine that described slave base stations provides service for described terminal, described slave base stations sends downlink reference signal, and described terminal is obtained channel quality information according to described downlink reference signal, and feeds back to described slave base stations.
Further, if determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
Preferably, described Downlink Control Information is the clean culture Downlink Control Information relevant with described terminal.
Preferably, when described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the resource on the carrier frequency of described slave base stations being worked by described Downlink Control Information is distributed to described terminal.
Further, if determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
Further, if determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
Further, if determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
Preferably, to uplink business data, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control.
Further, the main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
Further, when described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
Further, the resource location used when described terminal sends described information or content, relevant with the cell ID of the main control base station that service is provided for described terminal.
In actual applications, can also send reference signal by slave base stations, after terminal receives described reference signal, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements.
Further, the described information obtained based on described reference signal can for following one of at least: the subordinate cell identity information of slave base stations, channel information, channel quality information.
Further, described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
Preferably, the main control base station of described slave base stations or other network elements determine whether to allow described terminal receive the described reference signal sent by described slave base stations according to described neighboring BS information.
Further, the described slave base stations of the main control base station of described slave base stations or other network element prior notices sends the moment or resource or the signal format of reference signal.
Further, the main control base station of described slave base stations or other network elements send described slave base stations in advance moment of reference signal or resource or signal format and notify to described terminal.
Further, the main control base station of described slave base stations or the described terminal of other network element prior notices receive described reference signal.
Further, the running time-frequency resource of described slave base stations transmission reference signal is default configuration.
Further, described slave base stations sends the running time-frequency resource of reference signal, relevant with the cell ID of the main control base station of described slave base stations.
Further, when described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the main control base station of described slave base stations or described other network elements notify the carrier frequency of described slave base stations work to described terminal.
Further, described slave base stations or other network elements determine whether by described slave base stations, for described terminal, provide service according to the feedback information of described terminal.
Preferably, when described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
Preferably, if determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
Preferably, if determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
Preferably, if determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
Preferably, to uplink business data, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control.
Preferably, if determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
Preferably, if determine that described slave base stations provides service for described terminal, described slave base stations or other network elements notify described terminal to receive the Downlink Control Information that described slave base stations sends.
Further, the main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
Further, the running time-frequency resource used when described slave base stations sends reference signal, the running time-frequency resource used when the main control base station that is different from described slave base stations sends synchronizing signal.
Referring to Fig. 1, shown in Fig. 1, flow process comprises the following steps:
Further illustrate the flow process of Fig. 1 below in conjunction with embodiment 1 to embodiment 11.
Embodiment 1
As shown in Figure 2 a, in communication system, terminal sends neighboring BS information main control base station or described other network elements to slave base stations.
The main control base station of described slave base stations or described other network elements determine whether to allow described slave base stations receive the information that described terminal sends according to described neighboring BS information and/or other system information (such as up-downgoing channel quality, terminal positional information etc.), for example, when the base station of describing in described slave base stations and described neighboring BS information is adjacent, the main control base station of described slave base stations or other network elements notify described slave base stations to receive the information that described terminal sends.
If determine and allow described slave base stations receive the information that described terminal sends, the information that described slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
Embodiment 2
In communication system, the main control base station of slave base stations or described other network elements send indication information, and this indication information is used to indicate described slave base stations and receives the information (as reference signal) that described terminal sends.
The information that described slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
Embodiment 3
As shown in Figure 2 b, in communication system, the main control base station of slave base stations or described other network elements send the location information notification of moment of reference signal or data and/or frequency domain resource to described slave base stations by described terminal.
The information that described slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
Embodiment 4
In communication system, the uplink reference signals that the slave base stations receiving terminal sends.
Described slave base stations or other network elements received signal to noise ratio or the Signal to Interference plus Noise Ratio based on described uplink reference signals determines whether allow described slave base stations provide service for described terminal.
For example, if, when described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than certain threshold level (0dB), described slave base stations provides service for described terminal.
Embodiment 5
In communication system, uplink business data or ascending control information that the slave base stations receiving terminal sends.
Received signal to noise ratio based on described uplink reference signals of described slave base stations or other network elements or Signal to Interference plus Noise Ratio or no can successfully the decoding determines whether allow described slave base stations provide service for described terminal.
For example, if described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than certain threshold level (0dB) or described slave base stations can successfully decode relevant information the time, described slave base stations provides service for described terminal.
Preferably, described uplink business data can at least comprise one of following: the transmission power information of terminal, the positional information of terminal, the identification information of terminal.
Embodiment 6
In communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
If determine that described slave base stations provides service for described terminal, described slave base stations sends downlink reference signal, and described terminal is obtained channel quality information according to described downlink reference signal, and by the channel quality information feedback obtained to described slave base stations.
Embodiment 7
As shown in Figure 2 c, in communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
Preferably, described Downlink Control Information is the clean culture Downlink Control Information relevant with described terminal.
Preferably, when described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the resource on the carrier frequency of described slave base stations being worked by described Downlink Control Information is distributed to described terminal.
Embodiment 8
In communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
If determine that described slave base stations provides service for described terminal, described terminal sends uplink reference signals or ascending control information, and use the reference signal (public reference signal for example of main control base station based on described slave base stations or described other network elements, or channel state information reference signals, or synchronizing signal) circuit loss value measured is carried out uplink power control.
Embodiment 9
In communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations (public reference signal for example, or channel state information reference signals, or synchronizing signal) carry out the path loss measurement.
Embodiment 10
In communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
If determine that described slave base stations provides service for described terminal, the main control base station of described slave base stations or described slave base stations or described other network elements are notified the signal of described terminal based on being sent by described slave base stations (public reference signal for example, or channel state information reference signals, or synchronizing signal) circuit loss value obtained is carried out uplink power control.
Preferably, to uplink business data, the circuit loss value that the signal of described terminal based on being sent by described slave base stations obtains is carried out uplink power control.
Embodiment 11
In communication system, the information that the slave base stations receiving terminal sends.
Described slave base stations or other network elements reception condition based on described information determines whether allow described slave base stations provide service for described terminal.
Preferably, the resource location used when described terminal sends described information or content, relevant with the cell ID of the main control base station that service is provided for described terminal, as for example, to use when terminal is determined the described information of transmission according to the cell ID of the main control base station for its service time domain OFDM character position; For example terminal is determined and is needed the reference signal sent according to the cell ID that is the main control base station of its service.
Referring to Fig. 3, shown in Fig. 3, flow process comprises the following steps:
Further illustrate the flow process of Fig. 3 below in conjunction with embodiment 12 to embodiment 26.
Embodiment 12
As shown in Fig. 4 a, in communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 13
As shown in Figure 4 b, in communication system, terminal sends neighboring BS information main control base station or described other network elements to slave base stations.
The main control base station of described slave base stations or described other network elements determine whether to allow described terminal receive the described reference signal that described slave base stations sends according to described neighboring BS information, for example described main control base station or described other network elements judge that by neighboring BS information while showing that described terminal is positioned near described slave base stations, the main control base station of described slave base stations or described other network elements notify described terminal to receive the reference signal that described slave base stations sends.
Slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 14
As shown in Fig. 4 c, in communication system, the main control base station of slave base stations or described other network elements notify described slave base stations to send the moment or resource or the signal format of reference signal.
Described slave base stations sends reference signal according to the requirement of described notice.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 15
As shown in Fig. 4 d, in communication system, the main control base station of slave base stations or described other network elements send moment of reference signal or resource or signal format by described slave base stations and notify to terminal.
Described slave base stations sends reference signal.
After described terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 16
As shown in Fig. 4 e, in communication system, the main control base station of slave base stations or described other network element notification terminals receive described reference signal.
Slave base stations sends reference signal.
After described terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 17
In communication system, slave base stations sends reference signal, wherein, the running time-frequency resource that described slave base stations sends reference signal is default configuration, or relevant with the cell ID of the main control base station of described slave base stations, for example the different districts of main control base station identifies the different OFDM symbols that use when corresponding slave base stations sends reference signal, or different sub-carrier resources on corresponding identical OFDM symbol.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 18
In communication system, when slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the main control base station of described slave base stations or described other network elements notify the carrier frequency fs of described slave base stations work to terminal.
Described slave base stations sends reference signal at described carrier frequency fs.
Described terminal is after described carrier frequency fs receives described reference signal, and the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Embodiment 19
In communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Described slave base stations or other network elements determine whether by described slave base stations, for described terminal, provide service according to the feedback information of described terminal.
Embodiment 20
In communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
Described slave base stations or other network elements determine whether by described slave base stations, for described terminal, provide service according to the feedback information of described terminal, for example for example,, when the described feedback information channel quality information that is the downlink reference signal that receives of described terminal and described channel quality information are greater than certain threshold level (0dB), described slave base stations provides service for described terminal; And for example, when cell identity information that described feedback information is described slave base stations, described slave base stations provides service for described terminal; And for example when the described feedback information positional information that is described terminal, and when by this positional information, judging described terminal and be positioned near described subordinate community, described slave base stations provides service for described terminal.
Embodiment 21
In communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
If determine that described slave base stations provides service for described terminal, described terminal sends uplink reference signals or ascending control information, and uses the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
Embodiment 22
In communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
Embodiment 23
In communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
If determine that described slave base stations provides service for described terminal, the main control base station of described slave base stations or described slave base stations or described other network elements notify the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations to carry out uplink power control.
Preferably, to uplink business data, the circuit loss value of the signal acquisition that described terminal sends based on described slave base stations is carried out uplink power control.
Embodiment 24
As shown in Fig. 4 f, in communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
Embodiment 25
As shown in Fig. 4 g, in communication system, slave base stations sends reference signal.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
If determine that described slave base stations provides service for described terminal, described slave base stations or other network elements notify described terminal to receive the Downlink Control Information that described slave base stations sends.
Embodiment 26
In communication system, slave base stations sends reference signal, wherein, described slave base stations sends the running time-frequency resource that reference signal is used, the main control base station that is different from described slave base stations sends the running time-frequency resource that synchronizing signal is used, for example, there are corresponding relation in the reference signal that slave base stations sends and the subordinate cell ID of described slave base stations, the OFDM symbol used when the main control base station that the OFDM symbol used when described slave base stations sends described reference signal is different from described slave base stations sends synchronizing signal, the OFDM symbol that the OFDM symbol used when perhaps described slave base stations sends described reference signal is used while with the main control base station of described slave base stations, sending synchronizing signal is identical, but the sub-carrier resources of using is different.
After terminal receives described reference signal, the information that will obtain based on described reference signal and/or the positional information of described terminal feed back to described slave base stations or other network elements.
It should be noted that, in embodiment 12 to embodiment 26, the described information obtained based on described reference signal can for following one of at least: the subordinate cell identity information of slave base stations, channel information, channel quality information.
It should be noted that, in embodiment 1 to embodiment 11 and embodiment 20 to embodiment 25, when whether described slave base stations or other network elements determine to allow described slave base stations provide service for described terminal, it is also conceivable that loading condition and/or the disturbed condition of described slave base stations or other network elements, the reference signal quality that for example described slave base stations receives described terminal meets and imposes a condition but the duty ratio of described slave base stations when heavier, does not select this slave base stations to provide service for described terminal; For example, when terminal is positioned at cell edge, its transmitting power is usually higher, uplink receiving to other base stations produces larger interference, therefore selective reception meets to the reference signal of described terminal the slave base stations imposed a condition provides service for described terminal, now described terminal can send uplink information with lower transmitting power, thereby reduces the uplink interference to other base stations.
It should be noted that, in embodiment 1 to embodiment 26, the main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
It should be noted that the slave base stations of using in the present invention also can be called soft community or soft cell base station; Described subordinate cell ID, also can be called soft cell ID.
Visible in sum, no matter be method or device, the present invention realizes that slave base stations provides the technology of service, can find quickly and efficiently that terminal is positioned at the coverage of slave base stations, meets better the data user of high speed development and the needs of wireless communication industry future development.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (47)
1. realize that slave base stations provides the method for service for one kind, it is characterized in that, the method comprises:
The information that the slave base stations receiving terminal sends; Described slave base stations or other network elements reception condition based on described information relevant to this slave base stations determine whether allow described slave base stations provide service for described terminal.
2. method according to claim 1, is characterized in that, the method also comprises:
Described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
3. method according to claim 2, is characterized in that,
The main control base station of described slave base stations or described other network elements determine whether to allow described slave base stations receive the information that described terminal sends according to described neighboring BS information.
4. method according to claim 1, is characterized in that, the method also comprises:
The main control base station of described slave base stations or described other network elements send indication information to described slave base stations in advance, and this indication information is used to indicate described slave base stations and receives the information that described terminal sends; Or described terminal is sent to the location information notification of moment of described information and/or frequency domain resource to described slave base stations.
5. method according to claim 1, is characterized in that,
The described information that described terminal sends be following one of at least: uplink reference signals, uplink business data, ascending control information.
6. method according to claim 5, is characterized in that,
When described information is uplink reference signals, the received signal to noise ratio that described reception condition is described uplink reference signals or Signal to Interference plus Noise Ratio;
When described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than threshold value, described slave base stations provides service for described terminal.
7. method according to claim 5, is characterized in that,
When described information is uplink business data or ascending control information, the received signal to noise ratio that described reception condition is described business datum or control information or Signal to Interference plus Noise Ratio or no can successfully the decoding;
When described received signal to noise ratio or Signal to Interference plus Noise Ratio are greater than threshold value, or while successfully decoding described business datum or control information, described slave base stations provides service for described terminal;
It is one of following that described uplink business data at least comprises: the transmission power information of terminal, the positional information of terminal, the identification information of terminal.
8. according to the described method of claim 1 to 7 any one, it is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends downlink reference signal, and described terminal is obtained channel quality information according to described downlink reference signal, and feeds back to described slave base stations.
9. according to the described method of claim 1 to 7 any one, it is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
10. method according to claim 9, is characterized in that, described Downlink Control Information is the clean culture Downlink Control Information relevant with described terminal.
11. method according to claim 9, it is characterized in that, when described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the resource on the carrier frequency of described slave base stations being worked by described Downlink Control Information is distributed to described terminal.
12. according to the described method of claim 1 to 7 any one, it is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
13. according to the described method of claim 1 to 7 any one, it is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
14. according to the described method of claim 1 to 7 any one, it is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
15. method according to claim 1, is characterized in that,
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control to the uplink business data sent.
16. method according to claim 1, is characterized in that,
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
17. method according to claim 1, is characterized in that,
When described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
18. method according to claim 1, is characterized in that,
The resource location used when described terminal sends described information or content, relevant with the cell ID of the main control base station that service is provided for described terminal.
19. realize that slave base stations provides the method for service for one kind, it is characterized in that, the method comprises:
Slave base stations sends reference signal; After terminal receives described reference signal, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements relevant to this slave base stations.
20. method according to claim 19, is characterized in that,
The described information obtained based on described reference signal be following one of at least: the subordinate cell identity information of slave base stations, channel information, channel quality information.
21. method according to claim 19, is characterized in that, the method also comprises:
Described terminal sends neighboring BS information main control base station or described other network elements to described slave base stations in advance.
22. method according to claim 21, is characterized in that,
The main control base station of described slave base stations or other network elements determine whether to allow described terminal receive the described reference signal sent by described slave base stations according to described neighboring BS information.
23. method according to claim 19, is characterized in that, the method also comprises:
The described slave base stations of the main control base station of described slave base stations or other network element prior notices sends the moment or resource or the signal format of reference signal.
24. method according to claim 19, is characterized in that, the method also comprises:
The main control base station of described slave base stations or other network elements send described slave base stations in advance moment of reference signal or resource or signal format and notify to described terminal.
25. method according to claim 19, is characterized in that, the method also comprises:
The main control base station of described slave base stations or the described terminal of other network element prior notices receive described reference signal.
26. method according to claim 19, is characterized in that,
The running time-frequency resource that described slave base stations sends reference signal is default configuration.
27. method according to claim 19, is characterized in that,
Described slave base stations sends the running time-frequency resource of reference signal, relevant with the cell ID of the main control base station of described slave base stations.
28. method according to claim 19, is characterized in that, the method also comprises:
When described slave base stations is operated on different carrier frequency from the main control base station of described slave base stations, the main control base station of described slave base stations or described other network elements notify the carrier frequency of described slave base stations work to described terminal.
29. according to claim 19 to the described method of 28 any one, it is characterized in that, the method also comprises:
Described slave base stations or other network elements determine whether by described slave base stations, for described terminal, provide service according to the feedback information of described terminal.
30. method according to claim 29, is characterized in that,
When described slave base stations or other network elements determine whether to allow described slave base stations provide service for described terminal, also consider loading condition and/or the disturbed condition of described slave base stations.
31. method according to claim 29, is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, when described terminal sends uplink reference signals or ascending control information, use the circuit loss value that the reference signal of main control base station based on described slave base stations or described other network elements measures to carry out uplink power control.
32. method according to claim 29, is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, the signal that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send described slave base stations carries out the path loss measurement.
33. method according to claim 29, is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition that main control base station of described slave base stations or described slave base stations or described other network elements notify described terminal to send based on described slave base stations is carried out uplink power control.
34. method according to claim 29, is characterized in that,
If determine that described slave base stations provides service for described terminal, the circuit loss value of the signal acquisition of described terminal based on being sent by described slave base stations is carried out uplink power control to the uplink business data sent.
35. method according to claim 29, is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations sends the Downlink Control Information relevant with described terminal.
36. method according to claim 29, is characterized in that, the method also comprises:
If determine that described slave base stations provides service for described terminal, described slave base stations or other network elements notify described terminal to receive the Downlink Control Information that described slave base stations sends.
37. method according to claim 19, is characterized in that,
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
38. method according to claim 19, is characterized in that,
The running time-frequency resource used when described slave base stations sends reference signal, the running time-frequency resource used when the main control base station that is different from described slave base stations sends synchronizing signal.
39. realize that slave base stations provides the device of service for one kind, it is characterized in that, this device is used for:
The information that receiving terminal sends; And the reception condition based on described information determines whether allow slave base stations provide service for described terminal.
40. according to the described device of claim 39, it is characterized in that, this device is slave base stations or other network elements relevant to this slave base stations.
41. according to the described device of claim 40, it is characterized in that,
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
42. according to the described device of claim 39 to 41 any one, it is characterized in that, when whether this device determines to allow described slave base stations provide service for described terminal, loading condition and/or the disturbed condition for considering described slave base stations also.
43. realize that slave base stations provides the device of service for one kind, it is characterized in that, this device is used for:
Receive the reference signal that slave base stations sends, information and/or the positional information that will obtain based on described reference signal feed back to described slave base stations or other network elements relevant to this slave base stations.
44. according to the described device of claim 43, it is characterized in that, described slave base stations or other network elements are for determining whether by described slave base stations, for terminal, provide service according to described device institute feedack.
45. according to the described device of claim 44, it is characterized in that,
When whether described slave base stations or other network elements determine to allow described slave base stations provide service for described terminal, loading condition and/or the disturbed condition for considering described slave base stations also.
46. according to the described device of claim 43 to 45 any one, it is characterized in that,
The main control base station that described other network elements are described slave base stations, or the slave base stations adjacent with described slave base stations, or baseband pool, or mobile management entity, or service data gateway.
47. according to the described device of claim 43, it is characterized in that, this device is terminal.
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