CN103581868A - Method, device and system for perceiving quiet period configuration - Google Patents
Method, device and system for perceiving quiet period configuration Download PDFInfo
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- CN103581868A CN103581868A CN201210250376.9A CN201210250376A CN103581868A CN 103581868 A CN103581868 A CN 103581868A CN 201210250376 A CN201210250376 A CN 201210250376A CN 103581868 A CN103581868 A CN 103581868A
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Abstract
The invention discloses a method, a device and a system for perceiving quiet period configuration. The method for perceiving quiet period configuration comprises steps that a single frequency network multicast broadcast MBSFN subframe is configured to carry a perception quiet period; perception is carried out within the perception quiet period; and the MBSFN subframe is a transmission mode employed by multimedia multicast broadcast service MBMS session. The invention further discloses the device and the system for perceiving quiet period configuration. According to the method, the device and the system, a certain subframe is needed to be flexibly configured to be an MBSFN subframe according to present perception demands, not any multimedia broadcast multicast data is sent to the MBSFN subframe, the MBSFN subframe is configured to carry the perception quiet period, and perception is carried out within the perception quiet period.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of perception quiet period collocation method, Apparatus and system.
Background technology
Current frequency spectrum Distursement is fixed allocation, be that government is that specific user's specific transactions distributes fixing resource, as fixing frequency is all used in TV, broadcast, radar, navigation etc., some of them frequency is not to use always, neither use everywhere, so just exist some time period and some frequency of some geographical position not to obtain situation about fully using, especially, the in the situation that of current frequency spectrum resource anxiety, caused the significant wastage of frequency spectrum resource.Cognitive radio (Cognitive Radio, CR) be the most promising technology that solves at present frequency spectrum resource anxiety, this technology is by cognitive radio spectrum environment, can find the vacant frequency range that those occur whenever and wherever possible, and under the prerequisite of interfere with primary users not (Primary User, PU are used the specific user of the frequency of fixed allocation) these vacant frequency ranges of dynamic access, realization is to the seize every opportunity use of formula of frequency range, thereby improves the availability of frequency spectrum.
Cognitive radio is when carrying out frequency spectrum perception, conventionally adopt the aware scheme of quiet period, perception quiet period is in order to prevent the interference of the signal of subsystem to perception itself, in perception quiet period, subsystem does not send any signal, and the frequency of perception, perception duration and perception cycle are called the configuration of quiet period.In prior art; how by timesharing Long Term Evolution (Time Division Long Term Evolution; TD-LTE) protection time slot (the Guard Period between descending sub frame and sub-frame of uplink in system; GP), as the quiet period of frequency spectrum perception, can reduce and introduce the impact on TD-LTE system after frequency spectrum perception.But the time of this scheme quiet period is shorter, possibly cannot in quiet period, receives the useful information of primary user's signal, so that affect perceptual performance; And in order to guarantee enough detecting periods; protection time slot need to be forced to be configured to maximum; so not only the flexibility meeting of TD-LTE system protection time slot configuration is greatly affected, and quiet period configuration is also dumb, can not be according to current demand flexible configuration.
In prior art, also adopt the mode of choosing continuous several subframes long quiet period of composition or choosing a discrete quiet period of several discontinuous subframes composition to carry out frequency spectrum perception, but can have a great impact the continuity of business, and can affect common LTE subscriber equipment (User Equipment, UE) work, LTE UE that cannot be completely compatible common.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of perception quiet period collocation method, Apparatus and system, can neatly some sub-frame configuration be become to single frequency network multicast broadcast (Multicast/Broadcast over Single Frequency Network according to current perception demand, MBSFN) subframe, and do not send any multimedia broadcast multi-broadcasting business (Multimedia Broadcast and Multicast Service in this MBSFN subframe, MBMS) data, by this MBSFN sub-frame configuration for carrying perception quiet period.
For with 3GPP LTE operating such, the quiet period configuration of the embodiment of the present invention adopts the flow process identical with the MBMS session initiation of 3GPP TS36.300, quiet period adopts the frame structure identical with MBSFN subframe, be divided into clean culture part and MBSFN part, wherein MBSFN part is as perception quiet period.
The embodiment of the present invention provides a kind of perception quiet period collocation method, and described method comprises:
Single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period;
In described perception quiet period, carry out perception;
Wherein, described MBSFN subframe is the transmission means that multimedia broadcast multicast service MBMS session adopts.
Wherein, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, specifically comprises:
Receive the quiet period configuration request message that network element sends;
To described network element, send the acknowledge message to described quiet period configuration request message;
A MBMS session initiation request to the transmission of multimedia broadcast multicast service MBMS coordination entity MCE after expansion, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE;
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
Wherein, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, also comprises:
Receive the MBMS session initiation request after expansion that mobile management entity MME sends;
Judge that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period;
If so, according to a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting.
Wherein, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, also comprises:
Receive the 2nd MBMS session initiation request after expansion that MCE sends;
To described MCE, send the response message to described the 2nd MBMS session initiation request;
According to described the 2nd MBMS session initiation request, ask the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request;
Wherein, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
Correspondingly, the embodiment of the present invention also provides a kind of perception quiet period inking device, is applied in MME, and described device comprises:
Receiver module, the quiet period configuration request message sending for receiving network element;
The first sending module, for sending the acknowledge message to described quiet period configuration request message to described network element;
The second sending module is that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting for sending the MBMS session initiation request after expansion to MCE, triggering described MCE;
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
Correspondingly, the embodiment of the present invention also provides a kind of perception quiet period inking device, is applied in MCE, and described device comprises:
Receiver module, the MBMS session initiation request after expansion sending for receiving MME;
Judge module, for judging that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period;
Set up module, while asking the MBMS session of startup to be perception quiet period for judge a described MBMS session initiation request when described judge module, according to a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting.
Correspondingly, the embodiment of the present invention also provides a kind of perception quiet period inking device, is applied in eNB, and described device comprises:
Receiver module, the 2nd MBMS session initiation request after expansion sending for receiving MCE;
Sending module, for sending the response message to described the 2nd MBMS session initiation request to described MCE;
Configuration module, for according to described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described MBMS session initiation request;
Sensing module, for carrying out perception in described perception quiet period;
Wherein, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
Accordingly, the embodiment of the present invention also provides a kind of perception quiet period configuration-system, and described perception quiet period configuration-system comprises perception quiet period inking device and at least one terminal that the embodiment of the present invention provides.
Implement the embodiment of the present invention, there is following beneficial effect:
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of perception quiet period configuration-system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of the perception quiet period inking device in Fig. 1;
Fig. 3 is the structural representation of the second embodiment of the perception quiet period inking device in Fig. 1;
Fig. 4 is the structural representation of the 3rd embodiment of the perception quiet period inking device in Fig. 1;
The flow chart of a kind of perception quiet period collocation method that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is a kind of flow chart that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry the first embodiment of perception quiet period provided by the invention;
A kind of flow chart that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry the second embodiment of perception quiet period that Fig. 7 provides for the embodiment of the present invention;
A kind of flow chart that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry the 3rd embodiment of perception quiet period that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the structural representation of a kind of perception quiet period configuration-system providing for the embodiment of the present invention.Described system comprises: perception quiet period inking device 01-03, at least one terminal 04.
Concrete, described perception quiet period inking device 01 is applied in mobile management entity (Mobility Management Entity, MME);
Described perception quiet period inking device 02 is applied in MBMS coordination entity (Multi-cell/multicast Coordination Entity, MCE);
Described perception quiet period inking device 02 is applied in evolved base station (evolvedNode B, eNB);
Described at least one terminal 04 is carried out data communication with described eNB.
Referring to Fig. 2, is the structural representation of the perception quiet period inking device 01 in Fig. 1.Described perception quiet period inking device 01 is applied to, in MME, comprising: receiver module 011, the first sending module 012 and the second sending module 013, wherein:
Described receiver module 011, the quiet period configuration request message sending for receiving network element.
Concrete, described network element includes but not limited to: database or webmaster or eNB.Suppose in embodiments of the present invention, described network element is eNB, when eNB need to carry out frequency spectrum perception, to described perception quiet period inking device 01, sends quiet period configuration request message, and described receiver module 011 receives the quiet period configuration request message that eNB sends.
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period.
Concrete, described quiet period offset information indication specifically from which subframe starts using this subframe as perception quiet period, is also the time started of perception quiet period.
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period.
Concrete, the duration of described quiet period Duration Information indication perception quiet period, by indicating the number of subframes of described perception quiet period can control the length of the duration of carrying out frequency spectrum perception.
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
Concrete, how long described quiet period cycle information indication carries out frequency spectrum perception one time.
Described the first sending module 012, for sending the acknowledge message to described quiet period configuration request message to described network element.
Concrete, when described receiver module 011 receives after the quiet period configuration request message of eNB transmission, described the first sending module 012 responds to eNB, sends the acknowledge message to described quiet period configuration request message.
Described the second sending module 013, be used for the MBMS session initiation request after expansion to MCE transmission, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE.
Concrete, at third generation partner program (The 3rd Generation Partnership Project, 3GPP) in technical specification, adopt MBSFN transmission mode to support evolution type multimedia broadcast multicast service (Evolved Multimedia Broadcast and Multicast Service, E-MBMS), adopt MBSFN transmission mode not only can save frequency resource, improve the availability of frequency spectrum, can also improve the receptivity of cell edge MBMS service-user.MBSFN subframe is divided into clean culture part and MBSFN part.Clean culture is partly for transmitting descending L1/L2 (Layerl, layer 1/Layer2, layer 2) control channel, specifically comprise physical control channel (Physical Downlink Control Channel, PDCCH), Physical Control Format Indicator Channel (Physical Control Format Indicator Channel, PCFICF) and Physical HARQ Indicator Channel (Physical HARQ Indicator Channel, PHICH), MBSFN is partly for transmitting physical multicasting channel (Physical Multicast Channel, PMCH).
Therefore, when described the second sending module 013 sends after the MBMS session initiation request (MBMS session start request) after expansion to described MCE, can trigger described MCE and send the 2nd MBMS session initiation request after expansion and ask for a described MBMS session initiation request MBMS session establishment radio bearer starting to evolved base station eNB, described MBMS session specifically adopts MBSFN subframe to carry out transfer of data.
Further, a described MBMS session initiation request and described the 2nd MBMS session initiation request after expansion includes control word and described configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period.
Concrete, in 3GPP TS36.300 agreement, MBMS session initiation request comprises IP (Internet Protocol, the agreement interconnecting between network) multicast address, the attribute of session, the information such as minimum latency that transmission needs for the first time.Need in embodiments of the present invention described MBMS session initiation request to expand, be specially and in described MBMS session initiation request, increase control word and described configuration information.
Wherein, the MBMS session initiation request of described control word indication asks whether the MBMS session starting is described perception quiet period; Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information.
If it is described perception quiet period that the MBMS session initiation request of described control word indication is asked the MBMS session starting, described MCE is directly for described MBMS session initiation request is asked the MBMS session establishment radio bearer starting, and the MBSFN subframe that becomes described MBMS session to adopt some sub-frame configuration according to described configuration information, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.
Further, the response message to described MBMS session initiation request that described receiver module 011 also sends for receiving described MCE.
Concrete, described the second sending module 013 sends after the MBMS session initiation request after expansion to MCE, described MCE need send to described MME the response message to a described MBMS session initiation request---multimedia broadcast multicast service session starts response message (MBMS session start response).The response message to described MBMS session initiation request that described receiver module 011 also sends for receiving described MCE.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Referring to Fig. 3, is the structural representation of the perception quiet period inking device 02 in Fig. 1.Described perception quiet period inking device 02 is applied to, in MCE, comprising: receiver module 021, judge module 022 and set up module 023, wherein:
Described receiver module 021, the MBMS session initiation request after expansion sending for receiving MME.
Concrete, after the MBMS session initiation request that MME sends after expansion to described perception quiet period inking device 02, described receiver module 021 receives a described MBMS session initiation request after expansion.
A described MBMS session initiation request after expansion comprises control word and configuration information.Wherein, described control word indicates a described MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period; Described configuration information is for being configured to described perception quiet period by described MBMS session.
Described judge module 022, for judging that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period.
Concrete, described judge module 022 is specifically according to the indication of the described control word in a described MBMS session initiation request, also be the content of described control word, judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period.
Certainly, described judge module 022 also can judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period according to other information, such as according to whether comprising that described configuration information judges in a described MBMS session initiation request.
The described module 023 of setting up, while asking the MBMS session of startup to be perception quiet period for judge a described MBMS session initiation request when described judge module, according to a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting.
Concrete, when described judge module 022 is judged MBMS session that a described MBMS session initiation request asks to start and is perception quiet period, described 023 of the module set up is according to the configuration information in a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting, the MBSFN subframe that specifically becomes described MBMS session to adopt some sub-frame configuration according to described configuration information, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.
If described judge module 022 is judged a described MBMS session initiation request, to ask the MBMS session starting be not described perception quiet period, because general MBMS session-specific is in the larger business of some data volume, need first to check whether have enough resources, to determine whether the MBMS session establishment radio bearer of asking for a described MBMS session initiation request.The MBMS session herein having embodied as perception quiet period has priority.
Further, as shown in Figure 3, the described module 023 of setting up specifically comprises:
The first transmitting element 0231, for sending the response message to a described MBMS session initiation request to described MME.
Concrete, when described receiver module 021 receives after the MBMS session initiation request after expansion, described the first transmitting element 0231 sends the response message to a described MBMS session initiation request to described MME.
The second transmitting element 0232, for sending the 2nd MBMS session initiation request after expansion to eNB, notifies described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request.
Concrete, the 2nd MBMS session initiation request after expansion that described the second transmitting element 0232 sends to eNB, though the content comprising with a described MBMS session initiation request is not quite similar, but comprise equally described control word and described configuration information, described the second transmitting element 0232 notifies described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request, according to the configuration information in described the 2nd MBMS session initiation request, the MBSFN subframe that becomes described MBMS session to adopt some sub-frame configuration, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.
Further, the response message to described the 2nd MBMS session initiation request that described receiver module 021 also sends for receiving described eNB.
Concrete, when described the second transmitting element 0232 sends to described eNB after described the 2nd MBMS session initiation request, described eNB responds described the 2nd MBMS session initiation request, the response message to described the 2nd MBMS session initiation request that described receiver module 021 also sends for receiving described eNB.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Referring to Fig. 4, is the structural representation of the perception quiet period inking device 03 in Fig. 1, and described perception quiet period inking device 03 is applied to, in eNB, comprising: receiver module 031, sending module 032, configuration module 033 and sensing module 034, wherein:
Described receiver module 031, the 2nd MBMS session initiation request after expansion sending for receiving MCE.
Concrete, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
After the 2nd MBMS session initiation request that MCE sends after expansion to described perception quiet period inking device 03, described receiver module 031 receives this 2nd MBMS session initiation request after expansion.
Described sending module 032, for sending the response message to described the 2nd MBMS session initiation request to described MCE.
Concrete, when described receiver module 031 receives after the 2nd MBMS session initiation request after expansion, described sending module 032 sends the response message to described the 2nd MBMS session initiation request to described MCE.
Described configuration module 033, for according to described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request.
Concrete, described configuration module 033, according to the configuration information in described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request.
Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period.
Concrete, described quiet period offset information indication specifically from which subframe starts using this subframe as perception quiet period, is also the time started of perception quiet period.
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period.
Concrete, the duration of described quiet period Duration Information indication perception quiet period, by indicating the number of subframes of described perception quiet period can control the length of the duration of carrying out frequency spectrum perception.
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
Concrete, how long described quiet period cycle information indication carries out frequency spectrum perception one time.
The MBSFN subframe that described configuration module 033 becomes described MBMS session to adopt some sub-frame configuration according to described configuration information, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.Can control flexibly the time length of described perception quiet period, to reach good frequency spectrum perception effect simultaneously.
Described sensing module 034, for carrying out perception in described perception quiet period.
Concrete, described sensing module 034 carries out perception in described perception quiet period, to find in time the vacant frequency range in wireless frequency spectrum environment.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Refer to Fig. 5, the flow chart of a kind of perception quiet period collocation method providing for the embodiment of the present invention, described method comprises:
S101, becomes to carry perception quiet period by single frequency network multicast broadcast MBSFN sub-frame configuration.
Concrete, described MBSFN subframe is the transmission means that multimedia broadcast multicast service MBMS session adopts.In 3GPP technical specification, adopt MBSFN transmission mode to support E-MBMS, adopt MBSFN transmission mode not only can save frequency resource, improve the availability of frequency spectrum, can also improve the receptivity of cell edge MBMS service-user.MBSFN subframe is divided into clean culture part and MBSFN part.Clean culture partly, for transmitting descending L1/L2 control channel, specifically comprises PDCCH, PCFICF and PHICH, and MBSFN is partly for transmitting PMCH.
By single frequency network multicast broadcast MBSFN sub-frame configuration, be perception quiet period, the controlled advantage of flexible configuration, time that can utilize described MBSFN subframe transmission mode to possess is carried out perception in perception quiet period.
Described S101 specifically comprises the steps:
Step 1: receive the quiet period configuration request message that network element sends;
Step 2: send the acknowledge message to described quiet period configuration request message to described network element;
Step 3: the MBMS session initiation request to the transmission of MBMS coordination entity MCE after expansion, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE;
Step 4: receive the MBMS session initiation request after expansion that mobile management entity MME sends;
Step 5: judge that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period;
Step 6: send the response message to a described MBMS session initiation request to described MME:
Step 7: send the 2nd MBMS session initiation request after expansion to eNB, notify described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request;
Step 8: receive the 2nd MBMS session initiation request after expansion that MCE sends;
Step 9: send the response message to described the 2nd MBMS session initiation request to described MCE;
Step 10: according to described the 2nd MBMS session initiation request, ask the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request;
Concrete, will be described in detail above-mentioned steps 1-10 hereinafter.
S102 carries out perception in described perception quiet period.
Concrete, described perception quiet period inking device carries out perception in described perception quiet period, to find in time the vacant frequency range in wireless frequency spectrum environment.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Referring to Fig. 6, is a kind of flow chart that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry the first embodiment of perception quiet period provided by the invention, and described method comprises:
S1011, receives the quiet period configuration request message that network element sends.
Concrete, described network element includes but not limited to: database or webmaster or eNB.Suppose in embodiments of the present invention, described network element is eNB, when eNB need to carry out frequency spectrum perception, to MME, sends quiet period configuration request message, and MME receives the quiet period configuration request message that eNB sends.
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period.
Concrete, described quiet period offset information indication specifically from which subframe starts using this subframe as perception quiet period, is also the time started of perception quiet period.
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period.
Concrete, the duration of described quiet period Duration Information indication perception quiet period, by indicating the number of subframes of described perception quiet period can control the length of the duration of carrying out frequency spectrum perception.
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
Concrete, how long described quiet period cycle information indication carries out frequency spectrum perception one time.
S1012, sends the acknowledge message to described quiet period configuration request message to described network element.
Concrete, when MME receives after the quiet period configuration request message of eNB transmission, to eNB, respond, send the acknowledge message to described quiet period configuration request message.
S1013, a MBMS session initiation request to MCE transmission after expansion, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE.
Concrete, in 3GPP technical specification, adopt MBSFN transmission mode to support E-MBMS, adopt MBSFN transmission mode not only can save frequency resource, improve the availability of frequency spectrum, can also improve the receptivity of cell edge MBMS service-user.MBSFN subframe is divided into clean culture part and MBSFN part.Clean culture partly, for transmitting descending L1/L2 control channel, specifically comprises PDCCH, PCFICF and PHICH, and MBSFN is partly for transmitting PMCH.
Further, a described MBMS session initiation request and described the 2nd MBMS session initiation request after expansion includes control word and described configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period.
Concrete, in 3GPP TS36.300 agreement, MBMS session initiation request comprises ip multicast address, the attribute of session, the information such as minimum latency that transmission needs for the first time.Need in embodiments of the present invention described MBMS session initiation request to expand, be specially and in described MBMS session initiation request, increase control word and described configuration information.
Wherein, the MBMS session initiation request of described control word indication asks whether the MBMS session starting is described perception quiet period; Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information.
If it is described perception quiet period that the MBMS session initiation request of described control word indication is asked the MBMS session starting, described MCE is directly for described MBMS session initiation request is asked the MBMS session establishment radio bearer starting, and the MBSFN subframe that becomes described MBMS session to adopt some sub-frame configuration according to described configuration information, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.
Therefore, when MME sends after the MBMS session initiation request after expansion to MBMS coordination entity MCE, can trigger described MCE and send the 2nd MBMS session initiation request after expansion and ask for described MBMS session initiation request the MBMS session establishment radio bearer starting to evolved base station eNB, described MBMS session specifically adopts MBSFN subframe to carry out transfer of data.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Referring to Fig. 7, is a kind of flow chart that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry the second embodiment of perception quiet period provided by the invention, and described method comprises:
S1014, receives the MBMS session initiation request after expansion that mobile management entity MME sends.
Concrete, when MME sends after the MBMS session initiation request after expansion to MCE, MCE receives a described MBMS session initiation request after expansion.
A described MBMS session initiation request after expansion comprises control word and configuration information.Wherein, described control word indicates a described MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period; Described configuration information is for being configured to described perception quiet period by described MBMS session.
S1015, judges that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period, if so, carries out S303.
Concrete, MCE is specifically according to the indication of the described control word in a described MBMS session initiation request, also be the content of described control word, judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period.
Certainly, MCE also can judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period according to other information, such as according to whether comprising that described configuration information judges in a described MBMS session initiation request.
If MCE judges a described MBMS session initiation request, to ask the MBMS session starting be not described perception quiet period, because general MBMS session-specific is in the larger business of some data volume, need first to check whether have enough resources, to determine whether the MBMS session establishment radio bearer of asking for a described MBMS session initiation request.The MBMS session herein having embodied as perception quiet period has priority.
S1016, sends the response message to a described MBMS session initiation request to described MME.
Concrete, when MCE receives after the MBMS session initiation request after expansion, to described MME, send the response message to a described MBMS session initiation request.
S1017, sends the 2nd MBMS session initiation request after expansion to eNB, notifies described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request.
Concrete, the 2nd MBMS session initiation request after expansion that MCE sends to eNB, though the content comprising with a described MBMS session initiation request is not quite similar, but comprise equally described control word and described configuration information, perception quiet period inking device notifies described eNB that described MBMS session is configured to described perception quiet period, according to the configuration information in described the 2nd MBMS session initiation request, the MBSFN subframe that becomes described MBMS session to adopt some sub-frame configuration, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Refer to Fig. 8, the flow chart of the 4th embodiment of a kind of perception quiet period collocation method providing for the embodiment of the present invention.Described method comprises:
S1018, receives the 2nd MBMS session initiation request after expansion that MCE sends, and described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
Concrete, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.When MCE sends after the 2nd MBMS session initiation request after expansion to eNB, described eNB receives this MBMS session initiation request after expansion.
S1019, sends the response message to described the 2nd MBMS session initiation request to described MCE.
Concrete, when eNB receives after the 2nd MBMS session initiation request after expansion, to described MCE, send the response message to described the 2nd MBMS session initiation request.
S10110, according to described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request.
Concrete, eNB, according to the configuration information in described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request.
Described configuration information comprises but is not limited to: quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period.
Concrete, described quiet period offset information indication specifically from which subframe starts using this subframe as perception quiet period, is also the time started of perception quiet period.
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period.
Concrete, the duration of described quiet period Duration Information indication perception quiet period, by indicating the number of subframes of described perception quiet period can control the length of the duration of carrying out frequency spectrum perception.
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
Concrete, how long described quiet period cycle information indication carries out frequency spectrum perception one time.
The MBSFN subframe that eNB becomes described MBMS session to adopt some sub-frame configuration according to described configuration information, and do not send any data in these MBSFN subframes, using these MBSFN subframes as perception quiet period, to realize the flexible configuration to perception quiet period.Can control flexibly the time length of described perception quiet period, to reach good frequency spectrum perception effect simultaneously.
The embodiment of the present invention becomes MBSFN subframe by some sub-frame configuration, and does not send any multimedia broadcast multicast data in this MBSFN subframe, by this MBSFN sub-frame configuration for carrying perception quiet period.Because MBSFN subframe is divided into clean culture part and MBSFN part, if only using a unicast symbols as perception quiet period, the duration of perception quiet period is 928 μ s, so the quiet period time is longer, is beneficial to perception.And perception quiet period can configure flexibly according to current demand, little to the modification of agreement when carrying out quiet period configuration, can the common LTE UE of backward compatibility.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, and can certainly all by hardware, implement.Understanding based on such, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the claims in the present invention, still belong to the scope that invention is contained.
Claims (24)
1. a perception quiet period collocation method, is characterized in that, comprising:
Single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period;
In described perception quiet period, carry out perception;
Wherein, described MBSFN subframe is the transmission means that multimedia broadcast multicast service MBMS session adopts.
2. the method for claim 1, is characterized in that, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, specifically comprises:
Receive the quiet period configuration request message that network element sends;
To described network element, send the acknowledge message to described quiet period configuration request message;
A MBMS session initiation request to the transmission of MBMS coordination entity MCE after expansion, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE;
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
3. method as claimed in claim 2, is characterized in that, a described MBMS session initiation request and described the 2nd MBMS session initiation request after expansion include control word and described configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period.
4. the method for claim 1, is characterized in that, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, also comprises:
Receive the MBMS session initiation request after expansion that mobile management entity MME sends;
Judge that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period;
If so, according to a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting.
5. method as claimed in claim 4, is characterized in that, the described MBMS session initiation request after expansion comprises control word and configuration information;
Wherein, described control word indicates a described MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period;
Described configuration information is for being configured to described perception quiet period by described MBMS session.
6. method as claimed in claim 5, is characterized in that, describedly judges that a described MBMS session initiation request asks whether the MBMS session starting is the step of perception quiet period, is specially:
According to the indication of the described control word in a described MBMS session initiation request, or
According to whether comprising described configuration information in a described MBMS session initiation request,
Judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period.
7. method as claimed in claim 5, is characterized in that, described according to a described MBMS session initiation request, for a described MBMS session initiation request, asks the step of the MBMS session establishment radio bearer that starts, comprising:
To described MME, send the response message to a described MBMS session initiation request;
To evolved base station eNB, send the 2nd MBMS session initiation request after expansion, notify described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request;
Wherein, described the 2nd MBMS session initiation request comprises described control word and described configuration information.
8. the method for claim 1, is characterized in that, the described step that single frequency network multicast broadcast MBSFN sub-frame configuration is become to carry perception quiet period, also comprises:
Receive the 2nd MBMS session initiation request after expansion that MCE sends;
To described MCE, send the response message to described the 2nd MBMS session initiation request;
According to described the 2nd MBMS session initiation request, ask the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request;
Wherein, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
9. method as claimed in claim 8, is characterized in that, in the described MBMS session initiation request after expansion and described the 2nd MBMS session initiation request, includes control word and configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period;
Described configuration information is for being configured to described perception quiet period by described MBMS session.
10. method as claimed in claim 2, is characterized in that, described network element comprises database or webmaster or described eNB.
11. methods as described in claim 2 or 5 or 9, is characterized in that, described configuration information comprises quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period;
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period;
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
12. 1 kinds of perception quiet period inking devices, are applied to, in MME, it is characterized in that, comprising:
Receiver module, the quiet period configuration request message sending for receiving network element;
The first sending module, for sending the acknowledge message to described quiet period configuration request message to described network element;
The second sending module, be used for the MBMS session initiation request after expansion to MCE transmission, the 2nd MBMS session initiation request after expansion is also that a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting to evolved base station eNB transmission to trigger described MCE;
Wherein, described quiet period configuration request message comprises the configuration information that described MBMS session is configured to perception quiet period.
13. devices as claimed in claim 12, is characterized in that, a described MBMS session initiation request and described the 2nd MBMS session initiation request after expansion include control word and described configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period.
14. devices as claimed in claim 12, is characterized in that, the response message to a described MBMS session initiation request that described receiver module also sends for receiving described MCE.
15. 1 kinds of perception quiet period inking devices, are applied to, in MCE, it is characterized in that, comprising:
Receiver module, the MBMS session initiation request after expansion sending for receiving MME;
Judge module, for judging that a described MBMS session initiation request asks whether the MBMS session starting is perception quiet period;
Set up module, while asking the MBMS session of startup to be perception quiet period for judge a described MBMS session initiation request when described judge module, according to a described MBMS session initiation request, for a described MBMS session initiation request is asked the MBMS session establishment radio bearer starting.
16. devices as claimed in claim 15, the described MBMS session initiation request after expansion comprises control word and configuration information;
Wherein, described control word indicates a described MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period;
Described configuration information is for being configured to described perception quiet period by described MBMS session.
17. devices as claimed in claim 16, is characterized in that:
Described judge module is specifically according to the indication of the described control word in a described MBMS session initiation request, or
In a described MBMS session initiation request, whether comprise described configuration information,
Judge that a described MBMS session initiation request asks whether the MBMS session starting is described perception quiet period.
18. devices as claimed in claim 16, is characterized in that, the described module of setting up specifically comprises:
The first transmitting element, for sending the response message to a described MBMS session initiation request to described MME;
The second transmitting element, for sending the 2nd MBMS session initiation request after expansion to eNB, notifies described eNB to ask the MBMS session starting to be configured to described perception quiet period described the 2nd MBMS session initiation request;
Wherein, described the 2nd MBMS session initiation request comprises described control word and described configuration information.
19. devices as claimed in claim 18, is characterized in that, the response message to described the 2nd MBMS session initiation request that described receiver module also sends for receiving described eNB.
20. 1 kinds of perception quiet period inking devices, are applied to, in eNB, it is characterized in that, comprising:
Receiver module, the 2nd MBMS session initiation request after expansion sending for receiving MCE;
Sending module, for sending the response message to described the 2nd MBMS session initiation request to described MCE;
Configuration module, for according to described the 2nd MBMS session initiation request, asks the MBMS session starting to be configured to perception quiet period described the 2nd MBMS session initiation request;
Sensing module, for carrying out perception in described perception quiet period;
Wherein, described the 2nd MBMS session initiation request is that described MCE sends after the MBMS session initiation request after expansion being sent by MME receiving.
21. devices as claimed in claim 20, is characterized in that, a described MBMS session initiation request and described the 2nd MBMS session initiation request after expansion include control word and configuration information;
Wherein, described control word indicates corresponding MBMS session initiation request to ask whether the MBMS session starting is described perception quiet period;
Described configuration information is for being configured to described perception quiet period by described MBMS session.
22. devices as claimed in claim 12, is characterized in that, described network element comprises database or webmaster or described eNB.
23. devices as described in claim 12 or 16 or 21, is characterized in that, described configuration information comprises quiet period offset information, quiet period Duration Information and quiet period cycle information, wherein:
Described quiet period offset information is used to indicate the beginning subframe of described perception quiet period;
Described quiet period Duration Information is used to indicate the number of subframes of described perception quiet period;
Described quiet period cycle information is used to indicate the frequency spectrum perception cycle of described perception quiet period.
24. 1 kinds of perception quiet period configuration-systems, is characterized in that, comprise perception quiet period inking device and at least one terminal described in claim 12-21 any one.
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| CN201210250376.9A CN103581868B (en) | 2012-07-19 | 2012-07-19 | One kind perceives quiet period collocation method, apparatus and system |
| PCT/CN2013/074616 WO2014012388A1 (en) | 2012-07-19 | 2013-04-24 | Method, device and system for sensing silent period configuration |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036170A (en) * | 2009-09-29 | 2011-04-27 | 华为技术有限公司 | Method and device for processing subframes |
| CN102045711A (en) * | 2009-10-22 | 2011-05-04 | 中国移动通信集团公司 | Inter-base-station null interface synchronization tracking method and base station equipment in LTE system |
| CN102164348A (en) * | 2010-02-22 | 2011-08-24 | 中国移动通信集团公司 | Method, system and device for supporting eMBMS (evolved multimedia broadcast multicast service) service in relay network |
| US20110256833A1 (en) * | 2010-04-19 | 2011-10-20 | Telefonaktiebolaget Lm Ericsson | Interference-free neighbor cell measurements |
| CN102281541A (en) * | 2010-06-13 | 2011-12-14 | 华为技术有限公司 | Silent period synchronization method and device |
| CN102474364A (en) * | 2009-07-02 | 2012-05-23 | 高通股份有限公司 | Transmitter quieting and null data encoding |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394586B (en) * | 2007-09-20 | 2012-11-21 | 华为技术有限公司 | Uplink system resource sharing method, apparatus and system |
| CN101150871B (en) * | 2007-10-17 | 2010-10-13 | 华为技术有限公司 | A method, device and system for sensing channels |
| US8031693B2 (en) * | 2007-11-20 | 2011-10-04 | Research In Motion Limited | System and method for timing synchronization |
| CN101635991A (en) * | 2008-07-25 | 2010-01-27 | 中兴通讯股份有限公司 | Method for switching discontinuous transmission state of user equipment |
| CN101677257B (en) * | 2008-09-19 | 2013-09-11 | 华为技术有限公司 | Method, device and system for obtaining silent period parameters |
| CN102334371B (en) * | 2009-02-27 | 2015-11-25 | 皇家飞利浦电子股份有限公司 | For scheduling and the protection of the quiet period in the quiet zone of existing input |
-
2012
- 2012-07-19 CN CN201210250376.9A patent/CN103581868B/en active Active
-
2013
- 2013-04-24 WO PCT/CN2013/074616 patent/WO2014012388A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474364A (en) * | 2009-07-02 | 2012-05-23 | 高通股份有限公司 | Transmitter quieting and null data encoding |
| CN102036170A (en) * | 2009-09-29 | 2011-04-27 | 华为技术有限公司 | Method and device for processing subframes |
| CN102045711A (en) * | 2009-10-22 | 2011-05-04 | 中国移动通信集团公司 | Inter-base-station null interface synchronization tracking method and base station equipment in LTE system |
| CN102164348A (en) * | 2010-02-22 | 2011-08-24 | 中国移动通信集团公司 | Method, system and device for supporting eMBMS (evolved multimedia broadcast multicast service) service in relay network |
| US20110256833A1 (en) * | 2010-04-19 | 2011-10-20 | Telefonaktiebolaget Lm Ericsson | Interference-free neighbor cell measurements |
| CN102281541A (en) * | 2010-06-13 | 2011-12-14 | 华为技术有限公司 | Silent period synchronization method and device |
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