CN105636178A - Unlicensed carrier occupation method and device - Google Patents

Unlicensed carrier occupation method and device Download PDF

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Publication number
CN105636178A
CN105636178A CN201410624147.8A CN201410624147A CN105636178A CN 105636178 A CN105636178 A CN 105636178A CN 201410624147 A CN201410624147 A CN 201410624147A CN 105636178 A CN105636178 A CN 105636178A
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CN
China
Prior art keywords
described
laa
channel
website
symbol
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Application number
CN201410624147.8A
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Chinese (zh)
Inventor
彭佛才
苟伟
戴博
韩翠红
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中兴通讯股份有限公司
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Priority to CN201410624147.8A priority Critical patent/CN105636178A/en
Publication of CN105636178A publication Critical patent/CN105636178A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/10Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT]
    • Y02D70/14Techniques for reducing energy consumption in wireless communication networks according to the Radio Access Technology [RAT] in Institute of Electrical and Electronics Engineers [IEEE] networks

Abstract

The present invention provides an unlicensed carrier occupation method and device, wherein the method comprises the steps of using a licensed-assisted access (LAA) terminal or an LAA station to emit a signal and/or a channel to enable an LAA station/a WiFi access point (AP)/a WiFi station/other LAA terminals which are nearby the LAA terminal or LAA station to obtain, wherein the signal and/or channel is used to indicate the channel occupation time information of the time of the unlicensed carrier resources occupied by the LAA terminal or LAA station. According to the present invention, the problem that the duration of the LAA station occupied resources can not be known, so that the surrounding LAA stations carry out the clear channel assessment continuously to thereby cause the waste is solved, thereby saving the energy consumption.

Description

A kind of unauthorized carrier occupancy method and device

Technical field

The present invention relates to the communications field, in particular to a kind of unauthorized carrier occupancy method and device.

Background technology

Unauthorized carrier wave (exempt from authorize frequency spectrum) refer to meet government department (as, State Radio Regulatory Commission) under pertinent regulations (radio control), it is not necessary to authorize the frequency spectrum (or carrier wave) that just can directly use. In our daily life, microwave oven, remote toy aircraft, wireless mouse, Wireless Keyboard, high-fidelity wireless Internet access (WirelessFidelity; Hereinafter referred to as WiFi; WiFi is based on IEEE's IEEE802.11 serial protocols, such as 802.11a/b/g/n/ac etc.), authorize photocarrier method access LTE (hereinafter referred to as LAA) etc. all employ unauthorized carrier wave.

One website (or equipment; AP/STA) before using certain unauthorized carrier wave, (perception) lower channel (that is, " channel " here refers to this unauthorized carrier wave) should first be measured. The process of channel perception is called clear channel assessment (CCA) (ClearChannelAssessment, referred to as CCA). For example, it is assumed that the power that website measures channel is not less than-62dBm, then this website thinks that channel is busy; It is then idle lower than-62dBm.

If a website is ceaselessly CCA, then it can consume certain energy.

The acquisition (right to use) of unauthorized carrier wave may be by competing and obtains.

As shown in Figure 1, if a LAA website (e.g., LAA-eNB1) has got resource, LAA website around or WiFiAP or WiFiSTA do not know how long it takies, consequently, it is possible to need ceaselessly to be CCA, and then add energy resource consumption. The problem it addition, if LAA website around or WiFiAP or WiFiSTA can not directly hear the signal/energy of this LAA website, also bringing along " hiding website ".

Make the LAA website of surrounding ceaselessly carry out clear channel assessment (CCA) in prior art cause the problem of the wasting of resources owing to LAA website cannot be known to take the duration of resource, not yet propose effective solution at present.

Summary of the invention

Present invention is primarily targeted at a kind of unauthorized carrier occupancy method of offer and device, to solve above-mentioned problem.

According to an aspect of the present invention, provide a kind of unauthorized carrier occupancy method, including: authorize auxiliary to access LAA terminal or LAA website launches signal and/or channel, obtain for the LAA website near described LAA terminal or described LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals; Wherein, the Channel holding time information of the time of the unauthorized carrier resource that described signal and/or channel take for indicating described LAA terminal or described LAA website.

Alternatively, at signal described in described LAA terminal transmission and/or before channel, described method also includes: described LAA terminal decides the described signal of transmitting and/or channel in its sole discretion.

Alternatively, described LAA terminal or described LAA website launch described signal and/or channel includes: described LAA terminal or described LAA website, after competition to described unauthorized carrier resource, launch described signal and/or channel immediately.

Alternatively, at signal described in described LAA terminal transmission and/or before channel, described method also includes: described LAA terminal receives the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal; Described LAA terminal is according to described instruction order, it is determined that launch described signal and/or channel.

Alternatively, described signal and/or channel are additionally operable to represent that the channel taken discharges in advance.

Alternatively, described method also includes: the LAA website servicing described LAA terminal receives described signal and/or channel; Service the LAA website of described LAA terminal according to the Channel holding time information of instruction in described signal and/or channel, confirm that described LAA terminal succeeds in sending up described signal and/or channel.

Alternatively, described LAA terminal or the described LAA website described channel of transmitting include the mode of one below: described LAA terminal or described LAA website launch the detection reference signal SRS of full bandwidth or fractional bandwidth to indicate described Channel holding time information on first symbol of a subframe; Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol of a subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth in a subframe or multiple subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched media access control MAC control element CE in a subframe or multiple subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched the detection reference signal SRS of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated described Channel holding time information; Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last two symbols of a subframe and are indicated described Channel holding time information.

Alternatively, described LAA terminal or the described LAA website described signal of transmitting include: described LAA terminal or described LAA website launch network allocation vector NAV to indicate described Channel holding time information.

Alternatively, described NAV is the NAV of WiFi form.

Alternatively, described NAV includes the channel booking information of WiFi.

Alternatively, described NAV is carried on and asks transmission RTS or channel idle can send CTS.

Alternatively, described LAA terminal or the described LAA website described signal of transmitting include the mode of one below: described LAA terminal or described LAA website launch described NAV to indicate described Channel holding time information on first symbol of a subframe; Described LAA terminal or described LAA website launch described NAV to indicate described Channel holding time information on first symbol and second symbol of a subframe.

Alternatively, random access guiding described in described detection reference signal SRS//described MAC control element CE is authorizing transmitting on carrier wave.

Alternatively, random access guiding described in described detection reference signal SRS//described MAC control element CE launches on unauthorized carrier wave.

Alternatively, described NAV launches on unauthorized carrier wave.

Alternatively, described LAA terminal or the described LAA website described signal of transmitting and/or channel include the mode of one below: launch described NAV on first symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave, and then launch described detection reference signal SRS; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described detection reference signal SRS; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave launches described NAV, and then launches described random access guiding; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described random access guiding; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave launches described random access guiding, and then launches described NAV; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described random access guiding, and then launches described NAV; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave is launched described NAV, and on last symbol of this subframe, launches described random access guiding; First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol are launched described NAV, and launches described random access guiding on last two symbols of this subframe.

Alternatively, when described LAA terminal or described LAA website launch described random access guiding, described method also includes: described LAA terminal or described LAA website indicate described Channel holding time information by the targeting sequencing of described random access guiding.

Alternatively, when described LAA terminal or described LAA website launch described detection reference signal SRS, described method also includes: described LAA terminal or described LAA website indicate described Channel holding time information by the sequence of described detection reference signal SRS.

Alternatively, described method also includes: when described NAV abutted to transmitting in a symbol or two symbols with described random access guiding, and the fractional-sample point of described random access guiding is punched by described LAA terminal or described LAA website; Or, when described NAV and described detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of described detection reference signal SRS is punched by described LAA terminal or described LAA website.

Alternatively, described LAA terminal or the described LAA website described signal of transmitting and/or channel also include: described LAA terminal or described LAA website utilize the sampled point being perforated to launch described NAV.

Alternatively, the targeting sequencing of described random access guiding is produced by Zadoff-Chu sequence.

Alternatively, described targeting sequencing by selecting different root Zadoff-Chu sequence to produce, or, described targeting sequencing produces by selecting different circulation skew Zadoff-Chu sequence.

Alternatively, the length of described targeting sequencing is the prime number between 139 to 2633.

Alternatively, the length of described targeting sequencing is one below: 139,839,1117,1193.

Alternatively, launch the channel resource of described random access guiding to be taken by one of following mode: when the length of described targeting sequencing is 139, described random access guiding takies 6 �� 2i Resource Block, and subcarrier spacing is 7.5 �� 2ikHz, wherein, the span of i is the integer of 0 to 4; When the length of described targeting sequencing is 839, described random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16; When the length of described targeting sequencing is 1117, described random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz; When the length of described targeting sequencing is 1193, described random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.

Alternatively, described Resource Block comprises 12 sub-intercarriers and is divided into the Resource Block of 15kHz.

Alternatively, the described LAA website described signal of transmitting and/or channel include: described LAA website extends the sampling number of the part less than a symbol by cyclic prefix CP.

Alternatively, described LAA website indicates signal and/or channel described in described LAA terminal transmission by one of following mode: described LAA website sends described instruction order by last symbol of a subframe; Described LAA website sends described instruction order by last P the symbol of a subframe, and wherein, the span of P is the integer of 2 to 14; Described LAA website sends described instruction order by last symbol of a time slot; Described LAA website sends described instruction order by last Q the symbol of a time slot, and wherein, the span of Q is the integer of 2 to 7.

Alternatively, described instruction order includes: Downlink Control Information DCI.

Alternatively, described Downlink Control Information DCI transmits on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.

Alternatively, described LAA terminal receives the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal, according to described instruction order, described LAA terminal determines that the described signal of transmitting and/or channel include: described LAA terminal receives the described instruction order that described LAA website is sent by n-th subframe; Described LAA terminal determines that wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4 at the N+M subframe described signal of transmitting and/or channel.

Alternatively, when launching described signal and/or channel at described LAA website, described method also includes: other LAA terminals receive described signal and/or channel; Other LAA decoding terminals described obtain the Channel holding time information indicated by described signal and/or channel; Described Channel holding time information is fed back to LAA website by authorizing carrier wave by other LAA terminals described.

Alternatively, other LAA terminals described are by authorizing carrier wave described Channel holding time information is fed back to LAA website to include: other LAA terminals described use RACH/detection reference signal SRS/ media access control MAC control element CE/ network allocation vector MAV to feed back described Channel holding time information to LAA website.

According to another aspect of the present invention, additionally provide a kind of unauthorized carrier occupancy device, it is arranged in mandate auxiliary and accesses LAA terminal or LAA website, including: transmitter module, for launching signal and/or channel, obtain for the LAA website near described LAA terminal or described LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals; Wherein, the Channel holding time information of the time of the unauthorized carrier resource that described signal and/or channel take for indicating described LAA terminal or described LAA website.

Alternatively, when described device is arranged in LAA terminal, described device also includes: decision module, for according to pre-conditioned, determining to launch described signal and/or channel.

Alternatively, described transmitter module comprises determining that unit, is used for determining that LAA terminal or described LAA website compete described unauthorized carrier resource; Transmitter unit, for when determining competition to described unauthorized carrier resource, launching described signal and/or channel immediately.

Alternatively, when described device is arranged in LAA terminal, described device also includes: receiver module, for receiving the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal; Determine module, for according to described instruction order, it is determined that launch described signal and/or channel.

Alternatively, described signal and/or channel are additionally operable to represent that the channel taken discharges in advance.

Alternatively, described transmitter module is additionally operable to the mode by one below and launches described channel: the detection reference signal SRS launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates described Channel holding time information; The random access guiding launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates described Channel holding time information; The random access guiding launching full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe indicates described Channel holding time information; The random access guiding launching full bandwidth or fractional bandwidth in a subframe or multiple subframe indicates described Channel holding time information; A subframe or multiple subframe are launched media access control MAC control element CE and indicates described Channel holding time information; The detection reference signal SRS launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates described Channel holding time information; The random access guiding launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates described Channel holding time information; The random access guiding launching full bandwidth or fractional bandwidth on last two symbols of a subframe indicates described Channel holding time information.

Alternatively, described transmitter module, it is used for launching network allocation vector NAV to indicate described Channel holding time information.

Alternatively, described NAV is the NAV of WiFi form.

Alternatively, described NAV is carried on and asks transmission RTS or channel idle can send CTS.

Alternatively, described transmitter module is additionally operable to the mode by one below and launches described signal: launches described NAV on first symbol of a subframe and indicates described Channel holding time information; First symbol and second symbol of a subframe are launched described NAV to indicate described Channel holding time information.

Alternatively, random access guiding described in described detection reference signal SRS//described MAC control element CE is authorizing transmitting on carrier wave.

Alternatively, random access guiding described in described detection reference signal SRS//described MAC control element CE launches on unauthorized carrier wave.

Alternatively, described NAV launches on unauthorized carrier wave.

Alternatively, described transmitter module is additionally operable to the mode by one below and launches described signal and/or channel: launches described NAV on first symbol of a subframe on unauthorized carrier wave, and then launches described detection reference signal SRS; First symbol of a subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described detection reference signal SRS; First symbol of a subframe on unauthorized carrier wave launches described NAV, and then launches described random access guiding; First symbol of a subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described random access guiding; First symbol of a subframe on unauthorized carrier wave launches described random access guiding, and then launches described NAV; First symbol of a subframe on unauthorized carrier wave and second symbol launch described random access guiding, and then launches described NAV; First symbol of a subframe on unauthorized carrier wave is launched described NAV, and on last symbol of this subframe, launches described random access guiding; First symbol of a subframe on unauthorized carrier wave and second symbol are launched described NAV, and launches described random access guiding on last two symbols of this subframe.

Alternatively, when described transmitter module launches described random access guiding, the targeting sequencing of described random access guiding is used for indicating described Channel holding time information.

Alternatively, when described transmitter module launches described detection reference signal SRS, the sequence of described detection reference signal SRS is used for indicating described Channel holding time information.

Alternatively, described device also includes: perforating module, for when described NAV abutted to transmitting in a symbol or two symbols with described random access guiding, the fractional-sample point of described random access guiding is punched by described LAA terminal or described LAA website; Or, when described NAV and described detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of described detection reference signal SRS is punched by described LAA terminal or described LAA website.

Alternatively, described transmitter module is additionally operable to: utilize the sampled point being perforated to launch described NAV.

Alternatively, described device also includes: targeting sequencing generation module, for being produced the targeting sequencing of described random access guiding by Zadoff-Chu sequence.

Alternatively, described targeting sequencing generation module is additionally operable to: by selecting different root Zadoff-Chu sequence to produce described targeting sequencing, or, by selecting different circulation skew Zadoff-Chu sequence to produce described targeting sequencing.

Alternatively, the length of described targeting sequencing is the prime number between 139 to 2633.

Alternatively, the length of described targeting sequencing is one below: 139,839,1117,1193.

Alternatively, described device also includes: channel resource determines module, for determining the channel resource launching described random access guiding according to the mode of one below: when the length of described targeting sequencing is 139, described random access guiding takies 6 �� 2i Resource Block, and subcarrier spacing is 7.5 �� 2ikHz, wherein, the span of i is the integer of 0 to 4; When the length of described targeting sequencing is 839, described random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16; When the length of described targeting sequencing is 1117, described random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz; When the length of described targeting sequencing is 1193, described random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.

Alternatively, described Resource Block comprises 12 sub-intercarriers and is divided into the Resource Block of 15kHz.

Alternatively, when described device is arranged in LAA website, described transmitter module also includes: expanding element, for being extended the sampling number of the part less than a symbol by cyclic prefix CP.

Alternatively, described instruction order includes: Downlink Control Information DCI.

Alternatively, described Downlink Control Information DCI transmits on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.

Alternatively, described receiver module, for receiving the described instruction order that described LAA website is sent by n-th subframe; Described determining module, be used for determining and launch described signal and/or channel the N+M subframe, wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4.

By the present invention, adopt LAA terminal or LAA website to launch signal and/or channel and obtain for the LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA near LAA terminal or LAA website/other LAA terminals; Wherein, the mode of the Channel holding time information of the time of the unauthorized carrier resource that signal and/or channel take for indicating LAA terminal or LAA website, solve and make the LAA website of surrounding ceaselessly carry out clear channel assessment (CCA) cause the problem of the wasting of resources owing to LAA website cannot be known to take the duration of resource, thus having saved energy consumption.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:

Fig. 1 is the schematic network structure according to correlation technique;

Fig. 2 is the preferred flow schematic diagram of unauthorized carrier occupancy method according to embodiments of the present invention;

Fig. 3 is the preferred structure schematic diagram one of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 4 is the preferred structure schematic diagram two of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 5 is the preferred structure schematic diagram three of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 6 is the preferred structure schematic diagram four of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 7 is the preferred structure schematic diagram five of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 8 is the preferred structure schematic diagram six of unauthorized carrier occupancy device according to embodiments of the present invention;

Fig. 9 is the preferred structure schematic diagram seven of unauthorized carrier occupancy device according to embodiments of the present invention;

Figure 10 is the schematic diagram of LAA website instruction LAA terminal transmission signal/channel according to the preferred embodiment of the invention;

Figure 11 is that LAA terminal is launched with the signal taking duration information/channel schematic diagram on mandate carrier wave according to the preferred embodiment of the invention;

Figure 12 is that LAA terminal is launched with the NAV and the signal/channel schematic diagram that take duration information on unauthorized carrier wave according to the preferred embodiment of the invention;

Figure 13 is that LAA terminal is launched with the signal/channel and the NAV schematic diagram that take duration information on unauthorized carrier wave according to the preferred embodiment of the invention;

Figure 14 is that LAA terminal is launched with the NAV (on first symbol) taking duration information and signal/channel (in the end on a symbol) schematic diagram on unauthorized carrier wave according to the preferred embodiment of the invention;

Figure 15 is that LAA terminal is launched with the NAV and signal/channel (in the end on a symbol) schematic diagram that take duration information on unauthorized carrier wave according to the preferred embodiment of the invention.

Detailed description of the invention

Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments. It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.

Can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although illustrate logical order in flow charts, but in some cases, it is possible to perform shown or described step with the order being different from herein.

Present embodiments providing a kind of unauthorized carrier occupancy method, the method includes:

Step S202, authorizes auxiliary to access LAA terminal or LAA website launches signal and/or channel, obtain for the LAA website near LAA terminal or LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals; Wherein, the Channel holding time information of the time of the unauthorized carrier resource that signal and/or channel take for indicating LAA terminal or LAA website.

Pass through above-mentioned steps, due in LAA terminal, LAA website, WiFiAP, LAA terminal or LAA website can be known by Channel holding time information between WiFiSTA or other LAA terminals, WiFiAP, WiFiSTA etc. take the duration information of unauthorized carrier resource, so that this unauthorized carrier resource no longer ceaselessly can be carried out clear channel assessment (CCA) by other LAA website or LAA terminal, solve and make the LAA website of surrounding ceaselessly carry out the problem that clear channel assessment (CCA) causes the wasting of resources owing to LAA website cannot be known to take the duration of resource, thus having reached the effect of energy efficient.

It should be noted that it will be understood by those skilled in the art that the LAA website of above-mentioned transmitting signal and/or channel can also be considered or be replaced by WiFiAP/WiFiSTA etc., and apply the unauthorized carrier occupancy method described in the embodiment of the present invention.

Alternatively, LAA terminal and/or LAA website can decide transmitting signal and/or channel in its sole discretion, and LAA terminal can also launch signal and/or channel according to the instruction of the LAA website providing service for it.

Such as, LAA terminal or LAA website, after competition to unauthorized carrier resource, launch signal and/or channel immediately.

Again such as, when LAA terminal launches signal and/or channel according to the instruction of LAA website, LAA terminal receives the instruction order launching signal and/or channel of the LAA website from service LAA terminal; LAA terminal can according to instruction order, it is determined that launch signal and/or channel.

Alternatively, LAA terminal or LAA website can repeatedly send this signal and/or channel, it is also possible to only send once. Further, in the signal repeatedly sent and/or channel, the Channel holding time information of instruction can be identical, it is also possible to different. Some preferred embodiment in, LAA terminal or LAA website by this signal and/or channel indicate unauthorized carrier wave take duration after, if taking duration to occur to change or take duration to need to discharge in advance, then can pass through again to send the mode of signal and/or channel, to indicate the change taking duration of unauthorized carrier wave, or the channel that instruction takies needs to discharge in advance.

Alternatively, send this signal and/or channel in LAA terminal after, the LAA website servicing this LAA terminal receives signal and/or channel; Service the LAA website of this LAA terminal according to the Channel holding time information of instruction in signal and/or channel, confirm that LAA terminal succeeds in sending up signal and/or channel.

Alternatively, the LAA terminal in step S202 or LAA website transmitting channel include but not limited to the mode of one below:

LAA terminal or LAA website are launched the detection reference signal SRS of full bandwidth or fractional bandwidth on first symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the random access guiding of full bandwidth or fractional bandwidth in a subframe or multiple subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched media access control MAC control element CE in a subframe or multiple subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the detection reference signal SRS of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last two symbols of a subframe and are indicated Channel holding time information.

Alternatively, LAA terminal or LAA website are except launching channel by SRS and random access guiding, can also by indicating Channel holding time information by the mode of transmitting signal, for instance, LAA terminal or LAA website are launched network allocation vector NAV and are indicated Channel holding time information.

Alternatively, above-mentioned NAV is the NAV of WiFi form, for instance, it is possible to for the channel booking information of WiFi.

Alternatively, NAV is carried on and asks transmission RTS or channel idle can send on CTS.

Alternatively, the mode of LAA terminal or LAA website transmitting NAV includes but not limited to the mode of one below:

LAA terminal or LAA website are launched NAV on first symbol of a subframe and are indicated Channel holding time information;

LAA terminal or LAA website are launched NAV on first symbol and second symbol of a subframe and are indicated Channel holding time information.

Alternatively, detection reference signal SRS/ random access guiding/MAC control element CE can authorize transmitting on carrier wave, it is also possible to launches on unauthorized carrier wave.

Alternatively, above-mentioned NAV launches on unauthorized carrier wave.

Alternatively, LAA terminal or LAA website can also launch signal and channel simultaneously, and when not only launching signal but also launch channel to indicate Channel holding time information, the mode of transmitting can include but not limited to the mode of one below:

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave is launched NAV, and then emission detection reference signal SRS;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave and second symbol are launched NAV, and then emission detection reference signal SRS;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave is launched NAV, and then launches random access guiding;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave and second symbol are launched NAV, and then launches random access guiding;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave is launched random access guiding, and then launches NAV;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave and second symbol are launched random access guiding, and then launches NAV;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave is launched NAV, and on last symbol of this subframe, launches random access guiding;

First symbol of a LAA terminal or LAA website subframe on unauthorized carrier wave and second symbol are launched NAV, and on last two symbols of this subframe, launches random access guiding.

Alternatively, when LAA terminal or LAA website launch random access guiding, LAA terminal or LAA website indicate Channel holding time information by the targeting sequencing of random access guiding.

Alternatively, when LAA terminal or LAA website emission detection reference signal SRS, LAA terminal or LAA website indicate Channel holding time information by the sequence of detection reference signal SRS.

Fig. 2 is the preferred flow schematic diagram of unauthorized carrier occupancy method according to embodiments of the present invention, as in figure 2 it is shown, alternatively, before step S202, the method can also include:

Step S200, when NAV abutted to transmitting in a symbol or two symbols with random access guiding, the fractional-sample point of random access guiding is punched by LAA terminal or LAA website; Or, when NAV and detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of detection reference signal SRS is punched by LAA terminal or LAA website;

Wherein, in step S202, LAA terminal or LAA website utilize the sampled point being perforated to launch NAV.

Alternatively, the targeting sequencing of above-mentioned random access guiding is produced by Zadoff-Chu sequence.

Alternatively, above-mentioned targeting sequencing by selecting different root Zadoff-Chu sequence to produce, or, targeting sequencing produces by selecting different circulation skew Zadoff-Chu sequence.

Alternatively, the length of targeting sequencing is the prime number between 139 to 2633, for instance: 139,839,1117,1193.

Alternatively, the channel resource launching random access guiding is taken by one of following mode:

When the length of targeting sequencing is 139, random access guiding takies 6 �� 2i Resource Block, and subcarrier spacing is 7.5 �� 2ikHz, and wherein, the span of i is the integer of 0 to 4;

When the length of targeting sequencing is 839, random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16;

When the length of targeting sequencing is 1117, random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz;

When the length of targeting sequencing is 1193, random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.

Such as, when the length of above-mentioned targeting sequencing is 139, this is leading occupies 6 Resource Block, and subcarrier spacing is 7.5kHz. When the length of above-mentioned targeting sequencing is 139, this is leading occupies 12 Resource Block, and subcarrier spacing is 15kHz. When the length of above-mentioned targeting sequencing is 139, this is leading occupies 24 Resource Block, and subcarrier spacing is 30kHz. When the length of above-mentioned targeting sequencing is 139, this is leading occupies 48 Resource Block, and subcarrier spacing is 60kHz. When the length of above-mentioned targeting sequencing is 139, this is leading occupies 96 Resource Block, and subcarrier spacing is 120kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 6 Resource Block, and subcarrier spacing is 1.25kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 12 Resource Block, and subcarrier spacing is 2.5kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 18 Resource Block, and subcarrier spacing is 3.75kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 24 Resource Block, and subcarrier spacing is 5kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 36 Resource Block, and subcarrier spacing is 7.5kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 48 Resource Block, and subcarrier spacing is 10kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 72 Resource Block, and subcarrier spacing is 15kHz. When the length of above-mentioned targeting sequencing is 839, this is leading occupies 96 Resource Block, and subcarrier spacing is 20kHz. When the length of above-mentioned targeting sequencing is 1117, this is leading occupies 96 Resource Block, and subcarrier spacing is 15kHz. When the length of above-mentioned targeting sequencing is 1193, this is leading occupies 100 Resource Block, and subcarrier spacing is 15kHz.

Alternatively, the Resource Block that random access guiding takies is comprise 12 sub-intercarriers to be divided into the Resource Block of 15kHz.

Alternatively, in step S202, LAA website extends the sampling number of the part less than a symbol by cyclic prefix CP.

Alternatively, launching signal and/or when channel in LAA terminal according to the instruction of LAA website, the mode of LAA website instruction LAA terminal transmission signal and/or channel includes but not limited to one of following:

LAA website sends instruction order by last symbol of a subframe;

LAA website sends instruction order by last P the symbol of a subframe, and wherein, the span of P is the integer of 2 to 14;

LAA website sends instruction order by last symbol of a time slot;

LAA website sends instruction order by last Q the symbol of a time slot, and wherein, the span of Q is the integer of 2 to 7.

Alternatively, the instruction order that LAA website sends includes: Downlink Control Information DCI, wherein, Downlink Control Information DCI can transmit on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.

Alternatively, when LAA terminal launches signal and/or channel according to the instruction of LAA website, the reception of LAA terminal is from the instruction order launching signal and/or channel of the LAA website of service LAA terminal, and according to instruction order, LAA terminal determines that transmitting signal and/or channel can adopt following mode: LAA terminal receives the instruction order that LAA website is sent by n-th subframe; LAA terminal determines that wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4 at the N+M subframe transmitting signal and/or channel. Pass through which, it is possible to achieve according to negotiation in advance, it is determined that the subframe position of LAA terminal transmission signal and/or channel.

Alternatively, in step S202, this signal and/or channel can be sent to other LAA terminals by LAA website, for instance, after LAA website (or WiFiAP/WiFiSTA) launches signal and/or channel, other LAA terminal received signals and/or channels. Further, other LAA decoding terminals obtain the Channel holding time information indicated by signal and/or channel; Channel holding time information is fed back to LAA website by authorizing carrier wave by other LAA terminals. With reference to which, it is possible to achieve the transmission between LAA terminal, LAA website/WiFi website/WiFi access point etc. of the Channel holding time information.

Alternatively, in the above-described embodiment, by authorizing carrier wave that Channel holding time information feeds back to LAA website, other LAA terminals may include that other LAA terminals use RACH/detection reference signal SRS/ media access control MAC control element CE/ network allocation vector MAV feedback channel holding time information to LAA website.

The present embodiment additionally provides a kind of unauthorized carrier occupancy device, is arranged in mandate auxiliary and accesses LAA terminal or LAA website, and this device is used for realizing above-mentioned unauthorized carrier occupancy method, has be carried out repeating no more of explanation.

Above-mentioned African full carrier takies device and includes: transmitter module 32, is used for launching signal and/or channel, obtains for the LAA website near LAA terminal or LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals; Wherein, the Channel holding time information of the time of the unauthorized carrier resource that signal and/or channel take for indicating LAA terminal or LAA website.

It should be noted that module involved in embodiments of the invention, unit can be realized by the mode of software, it is also possible to realized by the mode of hardware. Described module, unit in the present embodiment can also be arranged within a processor, for instance, it is possible to it is described as: a kind of processor includes transmitter module 32. Wherein, the title of these modules is not intended that the restriction to this module itself under certain conditions, for instance, transmitter module 32 is also described as " for launching the module of signal and/or channel ".

Fig. 3 is the preferred structure schematic diagram one of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, when device is arranged in LAA terminal, device also includes: decision module 34 coupled to transmitter module 32, for according to pre-conditioned, determining to launch signal and/or channel.

Fig. 4 is the preferred structure schematic diagram two of unauthorized carrier occupancy device according to embodiments of the present invention, and alternatively, transmitter module 32 may include that determines unit 322, is used for determining that LAA terminal or LAA website compete unauthorized carrier resource; Transmitter unit 324 coupled to determines unit 322, for when determining competition to unauthorized carrier resource, launching signal and/or channel immediately.

Fig. 5 is the preferred structure schematic diagram three of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, when device is arranged in LAA terminal, device can also include: receiver module 52, for receiving the instruction order launching signal and/or channel of the LAA website from service LAA terminal; Determine that module 54 coupled to receiver module 52 and transmitter module 32, for according to instruction order, it is determined that launch signal and/or channel.

Alternatively, signal and/or channel are additionally operable to represent that the channel taken discharges in advance.

Alternatively, the mode that transmitter module 32 is additionally operable to by one below launches channel:

The detection reference signal SRS launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates Channel holding time information;

The random access guiding launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates Channel holding time information;

The random access guiding launching full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe indicates Channel holding time information;

The random access guiding launching full bandwidth or fractional bandwidth in a subframe or multiple subframe indicates Channel holding time information;

A subframe or multiple subframe are launched media access control MAC control element CE and indicates Channel holding time information;

The detection reference signal SRS launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates Channel holding time information;

The random access guiding launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates Channel holding time information;

The random access guiding launching full bandwidth or fractional bandwidth on last two symbols of a subframe indicates Channel holding time information.

Alternatively, transmitter module 32, it is used for launching network allocation vector NAV to indicate Channel holding time information.

Alternatively, NAV is the NAV of WiFi form.

Alternatively, NAV is carried on and asks transmission RTS or channel idle can send CTS.

Alternatively, the mode that transmitter module 32 is additionally operable to by one below launches signal: launches NAV on first symbol of a subframe and indicates Channel holding time information; Or on first symbol and second symbol of a subframe, launch NAV indicate Channel holding time information.

Alternatively, detection reference signal SRS/ random access guiding/MAC control element CE is authorizing transmitting on carrier wave.

Alternatively, detection reference signal SRS/ random access guiding/MAC control element CE can also launch on unauthorized carrier wave.

Alternatively, NAV launches on unauthorized carrier wave.

Alternatively, transmitter module 32 is additionally operable to the mode by one below and launches signal and/or channel:

First symbol of a subframe on unauthorized carrier wave is launched NAV, and then emission detection reference signal SRS;

First symbol of a subframe on unauthorized carrier wave and second symbol are launched NAV, and then emission detection reference signal SRS;

First symbol of a subframe on unauthorized carrier wave is launched NAV, and then launches random access guiding;

First symbol of a subframe on unauthorized carrier wave and second symbol are launched NAV, and then launches random access guiding;

First symbol of a subframe on unauthorized carrier wave is launched random access guiding, and then launches NAV;

First symbol of a subframe on unauthorized carrier wave and second symbol are launched random access guiding, and then launches NAV;

First symbol of a subframe on unauthorized carrier wave is launched NAV, and on last symbol of this subframe, launches random access guiding;

First symbol of a subframe on unauthorized carrier wave and second symbol are launched NAV, and on last two symbols of this subframe, launches random access guiding.

Alternatively, when transmitter module 32 launches random access guiding, the targeting sequencing of random access guiding is used for indicating Channel holding time information.

Alternatively, when transmitter module 32 emission detection reference signal SRS, the sequence of detection reference signal SRS is used for indicating Channel holding time information.

Fig. 6 is the preferred structure schematic diagram four of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, device can also include: perforating module 62 coupled to transmitter module 32, for when NAV abutted to transmitting in a symbol or two symbols with random access guiding, the fractional-sample point of random access guiding is punched by LAA terminal or LAA website; Or, when NAV and detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of detection reference signal SRS is punched by LAA terminal or LAA website.

Alternatively, transmitter module 32 is additionally operable to: utilize the sampled point being perforated to launch NAV.

Fig. 7 is the preferred structure schematic diagram five of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, device also includes: targeting sequencing generation module 72 coupled to transmitter module 32, for being produced the targeting sequencing of random access guiding by Zadoff-Chu sequence.

Alternatively, targeting sequencing generation module is additionally operable to: by selecting different root Zadoff-Chu sequence to produce targeting sequencing, or, by selecting different circulation skew Zadoff-Chu sequence to produce targeting sequencing.

Alternatively, the length of targeting sequencing is the prime number between 139 to 2633.

Alternatively, the length of targeting sequencing is one below: 139,839,1117,1193.

Fig. 8 is the preferred structure schematic diagram six of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, this device also includes: channel resource determines that module 82 coupled to transmitter module 32, for determining the channel resource launching random access guiding according to the mode of one below:

When the length of targeting sequencing is 139, random access guiding takies 6 �� 2i Resource Block, and subcarrier spacing is 7.5 �� 2ikHz, and wherein, the span of i is the integer of 0 to 4;

When the length of targeting sequencing is 839, random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16;

When the length of targeting sequencing is 1117, random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz;

When the length of targeting sequencing is 1193, random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.

Alternatively, above-mentioned Resource Block comprises 12 sub-intercarriers and is divided into the Resource Block of 15kHz.

Fig. 9 is the preferred structure schematic diagram seven of unauthorized carrier occupancy device according to embodiments of the present invention, alternatively, when device is arranged in LAA website, transmitter module 32 also includes: expanding element 326, for being extended the sampling number of the part less than a symbol by cyclic prefix CP.

Alternatively, above-mentioned instruction order includes: Downlink Control Information DCI.

Alternatively, Downlink Control Information DCI transmits on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.

Alternatively, receiver module 52, for receiving the instruction order that LAA website is sent by n-th subframe; Determining module 54, be used for determining and launch signal and/or channel the N+M subframe, wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4.

Below in conjunction with alternative embodiment of the present invention, the present invention is further illustrated.

The method that this preferred embodiment relates to carrying out channel reservation between advanced Long Term Evolution LTE-A base stations in mobile communication system and base station (or access point), cause the problem of energy resource consumption solving unauthorized resource occupation duration, solve " hiding website " problem simultaneously.

In order to solve above-mentioned technical problem, the technical scheme that the preferred embodiment of the present invention adopts is: LAA terminal indicates " Channel holding time " information by launching signal/channel, and website around understands the active situation of channel busy situation and ambient stations by receiving above-mentioned " Channel holding time " information.

Specific embodiment one:

As shown in Fig. 1, Figure 10 and Figure 11.

LAA website (LAA-eNB1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then LAA-eNB1 indicates LAA terminal (UE1) to go to launch with the signal/channel taking duration information at last symbol of subframe N by PDCCH.

UE1 launches random access guiding at first symbol of subframe N+2 on unauthorized carrier wave. The length of targeting sequencing is 1193, and this is leading occupies 100 Resource Block, and subcarrier spacing is 15kHz.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB2 and LAA-eNB3) around receives above-mentioned random access guiding at first symbol of subframe N+2 on unauthorized carrier wave. These LAA website (LAA-eNB2 and LAA-eNB3) are after having successfully received above-mentioned random access guiding, be known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB2 and LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that oneself is to whether the UE1 instruction order sent has successfully received.

Visible, the LAA website of adjacent LAA website instruction service oneself can be needed the busy channel how long time by the method that proposes in the present embodiment, solves " hiding website " problem simultaneously.

Specific embodiment two:

As shown in Fig. 1, Figure 10 and Figure 12.

LAA website (LAA-eNB1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then LAA-eNB1 indicates LAA terminal (UE1) to go to launch network allocation vector NAV and with the signal/channel taking duration information at last symbol of subframe N by PDCCH.

UE1 launches network allocation vector NAV and random access guiding at first symbol of subframe N+2 on unauthorized carrier wave. The length of targeting sequencing is 1117, and this is leading occupies 96 Resource Block, and subcarrier spacing is 15kHz.

UE1 punches (such as, destroying some sampled points above) the fractional-sample point of above-mentioned random access guiding. The sampled point that punching is fallen is for loading network allocation vector NAV.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB3) around receives above-mentioned random access guiding at first symbol of subframe N+2 on unauthorized carrier wave. These LAA websites (LAA-eNB3), after having successfully received above-mentioned random access guiding, have been known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

WiFi website (AP/STA) around receives above-mentioned network allocation vector NAV. These WiFi websites (AP/STA), after having successfully received above-mentioned network allocation vector NAV, have been known that around there is a WiFi website (UE1), and this website (UE1) take duration information. Know this website (UE1) take duration information after, WiFi website (AP/STA) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that oneself is to whether the UE1 instruction order sent has successfully received.

Visible, adjacent LAA website and WiFi website (AP/STA) can be indicated the LAA website of service oneself need the busy channel how long time by the method that proposes in the present embodiment, solve " hiding website " problem simultaneously.

Specific embodiment three:

As shown in Fig. 1 and Figure 13.

LAA terminal (UE1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then UE1 launches immediately with the signal/channel and the network allocation vector NAV that take duration information on unauthorized carrier wave. Leading above launching, and then NAV launches below.

The transmitting of above-mentioned signal/channel and NAV may be repeated, until the 2nd sign-off of subframe N+1.

UE1 is when launching random access guiding, and the length of targeting sequencing is 839, and this is leading occupies 96 Resource Block, and subcarrier spacing is 20kHz.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB3) 2 symbols before whole symbols and subframe N+1 of subframe N around receive above-mentioned random access guiding on unauthorized carrier wave. These LAA websites (LAA-eNB3), after having successfully received above-mentioned random access guiding, have been known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

WiFi website (AP/STA) around receives above-mentioned network allocation vector NAV. These WiFi websites (AP/STA), after having successfully received above-mentioned network allocation vector NAV, have been known that around there is a WiFi website (UE1), and this website (UE1) take duration information. Know this website (UE1) take duration information after, WiFi website (AP/STA) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that whether successful contention has arrived unauthorized carrier wave to UE1.

Visible, adjacent LAA website and WiFi website (AP/STA) can be indicated the LAA website of service oneself need the busy channel how long time by the method that proposes in the present embodiment, solve " hiding website " problem simultaneously.

Specific embodiment four:

As shown in Figure 10, Fig. 1 and Figure 14.

LAA website (LAA-eNB1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then LAA-eNB1 indicates LAA terminal (UE1) to go to launch network allocation vector NAV and with the signal/channel taking duration information at last symbol of subframe N by PDCCH.

UE1 launches network allocation vector NAV at first symbol of subframe N+2 on unauthorized carrier wave. The repeatable transmitting of NAV is it is known that first sign-off.

UE1 launches random access guiding at last 2 symbols of subframe N+2 on unauthorized carrier wave. The length of targeting sequencing is 839, and this is leading occupies 72 Resource Block, and subcarrier spacing is 15kHz.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB3) around receives above-mentioned random access guiding at last 2 symbols of subframe N+2 on unauthorized carrier wave. These LAA websites (LAA-eNB3), after having successfully received above-mentioned random access guiding, have been known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

WiFi website (AP/STA) around receives above-mentioned network allocation vector NAV. These WiFi websites (AP/STA), after having successfully received above-mentioned network allocation vector NAV, have been known that around there is a WiFi website (UE1), and this website (UE1) take duration information. Know this website (UE1) take duration information after, WiFi website (AP/STA) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that oneself is to whether the UE1 instruction order sent has successfully received.

Visible, adjacent LAA website and WiFi website (AP/STA) can be indicated the LAA website of service oneself need the busy channel how long time by the method that proposes in the present embodiment, solve " hiding website " problem simultaneously.

Specific embodiment five:

As shown in Figure 10, Fig. 1 and Figure 15.

LAA website (LAA-eNB1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then LAA-eNB1 indicates LAA terminal (UE1) to go to launch network allocation vector NAV and with the signal/channel taking duration information at last symbol of subframe N by PDCCH.

UE1 launches network allocation vector NAV and random access guiding at last 2 symbols of subframe N+2 on unauthorized carrier wave. The length of targeting sequencing is 839, and this is leading occupies 48 Resource Block, and subcarrier spacing is 10kHz.

UE1 punches (such as, destroying some sampled points above) the fractional-sample point of above-mentioned random access guiding. The sampled point that punching is fallen is for loading network allocation vector NAV.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB3) around receives above-mentioned random access guiding at first symbol of subframe N+2 on unauthorized carrier wave. These LAA websites (LAA-eNB3), after having successfully received above-mentioned random access guiding, have been known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

WiFi website (AP/STA) around receives above-mentioned network allocation vector NAV. These WiFi websites (AP/STA), after having successfully received above-mentioned network allocation vector NAV, have been known that around there is a WiFi website (UE1), and this website (UE1) take duration information. Know this website (UE1) take duration information after, WiFi website (AP/STA) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that oneself is to whether the UE1 instruction order sent has successfully received.

Visible, adjacent LAA website and WiFi website (AP/STA) can be indicated the LAA website of service oneself need the busy channel how long time by the method that proposes in the present embodiment, solve " hiding website " problem simultaneously.

Specific embodiment six:

As shown in figs. 1 and 12.

LAA terminal (UE1) has arrived unauthorized carrier wave in the competition sometime of subframe N, then UE1 launches network allocation vector NAV and immediately with the signal/channel taking duration information on unauthorized carrier wave. NAV is above launching, and leading and then launches below.

The transmitting of NAV and above-mentioned signal/channel may be repeated, until the 3rd sign-off of subframe N+1.

UE1 is when launching random access guiding, and the length of targeting sequencing is 1193, and this is leading occupies 100 Resource Block, and subcarrier spacing is 15kHz.

UE1 root is 1, circulation skew is that the Zadoff-Chu sequence of zero is to produce this targeting sequencing.

LAA website (LAA-eNB3) 2 symbols before whole symbols and subframe N+1 of subframe N around receive above-mentioned random access guiding on unauthorized carrier wave. These LAA websites (LAA-eNB3), after having successfully received above-mentioned random access guiding, have been known that around there is a LAA website (LAA-eNB1), and this website (LAA-eNB1) take duration information. Know this website (LAA-eNB1) take duration information after, LAA website (LAA-eNB3) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

WiFi website (AP/STA) around receives above-mentioned network allocation vector NAV. These WiFi websites (AP/STA), after having successfully received above-mentioned network allocation vector NAV, have been known that around there is a WiFi website (UE1), and this website (UE1) take duration information. Know this website (UE1) take duration information after, WiFi website (AP/STA) around just can avoid unnecessary CCA to check, thus reducing energy consumption.

The LAA website (LAA-eNB1) of service UE1, after being successfully received above-mentioned random access guiding, has been known that whether successful contention has arrived unauthorized carrier wave to UE1.

Visible, adjacent LAA website and WiFi website (AP/STA) can be indicated the LAA website of service oneself need the busy channel how long time by the method that proposes in the present embodiment, solve " hiding website " problem simultaneously.

In sum, by the above embodiment of the present invention or preferred embodiment, embodiment, it is possible to the LAA website of adjacent WiFi and LAA website instruction service oneself is needed the busy channel how long time, also solves " hiding website " problem simultaneously.

Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize. so, the present invention is not restricted to the combination of any specific hardware and software.

These are only optional embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (61)

1. a unauthorized carrier occupancy method, it is characterised in that including:
Authorize auxiliary to access LAA terminal or LAA website launches signal and/or channel, obtain for the LAA website near described LAA terminal or described LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals;
Wherein, the Channel holding time information of the time of the unauthorized carrier resource that described signal and/or channel take for indicating described LAA terminal or described LAA website.
2. method according to claim 1, it is characterised in that at signal described in described LAA terminal transmission and/or before channel, described method also includes:
Described LAA terminal decides the described signal of transmitting and/or channel in its sole discretion.
3. method according to claim 2, it is characterised in that described LAA terminal or described LAA website launch described signal and/or channel includes:
Described LAA terminal or described LAA website, after competition to described unauthorized carrier resource, launch described signal and/or channel immediately.
4. method according to claim 1, it is characterised in that at signal described in described LAA terminal transmission and/or before channel, described method also includes:
Described LAA terminal receives the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal;
Described LAA terminal is according to described instruction order, it is determined that launch described signal and/or channel.
5. method according to claim 1, it is characterised in that described signal and/or channel are additionally operable to represent that the channel taken discharges in advance.
6. method according to claim 4, it is characterised in that described method also includes:
The LAA website servicing described LAA terminal receives described signal and/or channel;
Service the LAA website of described LAA terminal according to the Channel holding time information of instruction in described signal and/or channel, confirm that described LAA terminal succeeds in sending up described signal and/or channel.
7. method according to any one of claim 1 to 6, it is characterised in that described LAA terminal or described LAA website are launched described channel and included the mode of one below:
Described LAA terminal or described LAA website are launched the detection reference signal SRS of full bandwidth or fractional bandwidth on first symbol of a subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol of a subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth in a subframe or multiple subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched media access control MAC control element CE in a subframe or multiple subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the detection reference signal SRS of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last symbol of a subframe and are indicated described Channel holding time information;
Described LAA terminal or described LAA website are launched the random access guiding of full bandwidth or fractional bandwidth on last two symbols of a subframe and are indicated described Channel holding time information.
8. method according to any one of claim 1 to 6, it is characterised in that described LAA terminal or described LAA website are launched described signal and included:
Described LAA terminal or described LAA website are launched network allocation vector NAV and are indicated described Channel holding time information.
9. method according to claim 8, it is characterised in that described NAV is the NAV of WiFi form.
10. method according to claim 8, it is characterised in that described NAV includes the channel booking information of WiFi.
11. method according to claim 8, it is characterised in that described NAV is carried on request transmission RTS or channel idle can send CTS.
12. method according to claim 8, it is characterised in that described LAA terminal or described LAA website are launched described signal and included the mode of one below:
Described LAA terminal or described LAA website launch described NAV to indicate described Channel holding time information on first symbol of a subframe;
Described LAA terminal or described LAA website launch described NAV to indicate described Channel holding time information on first symbol and second symbol of a subframe.
13. method according to claim 7, it is characterised in that random access guiding described in described detection reference signal SRS//described MAC control element CE is authorizing transmitting on carrier wave.
14. method according to claim 7, it is characterised in that random access guiding described in described detection reference signal SRS//described MAC control element CE launches on unauthorized carrier wave.
15. method according to claim 8, it is characterised in that described NAV launches on unauthorized carrier wave.
16. the method according to claim 7 or 8, it is characterised in that described LAA terminal or the described LAA website described signal of transmitting and/or channel include the mode of one below:
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave launches described NAV, and then launches described detection reference signal SRS;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described detection reference signal SRS;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave launches described NAV, and then launches described random access guiding;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described random access guiding;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave launches described random access guiding, and then launches described NAV;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol launch described random access guiding, and then launches described NAV;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave is launched described NAV, and on last symbol of this subframe, launches described random access guiding;
First symbol of described LAA terminal or a described LAA website subframe on unauthorized carrier wave and second symbol are launched described NAV, and launches described random access guiding on last two symbols of this subframe.
17. method according to claim 7, it is characterised in that when described LAA terminal or described LAA website launch described random access guiding, described method also includes:
Described LAA terminal or described LAA website indicate described Channel holding time information by the targeting sequencing of described random access guiding.
18. method according to claim 7, it is characterised in that when described LAA terminal or described LAA website launch described detection reference signal SRS, described method also includes:
Described LAA terminal or described LAA website indicate described Channel holding time information by the sequence of described detection reference signal SRS.
19. method according to claim 16, it is characterised in that described method also includes:
When described NAV abutted to transmitting in a symbol or two symbols with described random access guiding, the fractional-sample point of described random access guiding is punched by described LAA terminal or described LAA website; Or,
When described NAV and described detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of described detection reference signal SRS is punched by described LAA terminal or described LAA website.
20. method according to claim 19, it is characterised in that described LAA terminal or described LAA website launch described signal and/or channel also includes:
Described LAA terminal or described LAA website utilize the sampled point being perforated to launch described NAV.
21. method according to claim 17, it is characterised in that the targeting sequencing of described random access guiding is produced by Zadoff-Chu sequence.
22. the method according to claim 21, it is characterised in that described targeting sequencing by selecting different root Zadoff-Chu sequence to produce, or, described targeting sequencing produces by selecting different circulation skew Zadoff-Chu sequence.
23. the method according to claim 21, it is characterised in that the length of described targeting sequencing is the prime number between 139 to 2633.
24. the method according to claim 23, it is characterised in that the length of described targeting sequencing is one below: 139,839,1117,1193.
25. the method according to claim 24, it is characterised in that launch the channel resource of described random access guiding and taken by one of following mode:
When the length of described targeting sequencing is 139, described random access guiding takies 6 �� 2iIndividual Resource Block, and subcarrier spacing is 7.5 �� 2iKHz, wherein, the span of i is the integer of 0 to 4;
When the length of described targeting sequencing is 839, described random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16;
When the length of described targeting sequencing is 1117, described random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz;
When the length of described targeting sequencing is 1193, described random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.
26. the method according to claim 25, it is characterised in that described Resource Block comprises 12 sub-intercarriers and is divided into the Resource Block of 15kHz.
27. the method according to claim 1, it is characterised in that described LAA website launches described signal and/or channel includes:
Described LAA website extends the sampling number of the part less than a symbol by cyclic prefix CP.
28. the method according to claim 4, it is characterised in that described LAA website indicates signal and/or channel described in described LAA terminal transmission by one of following mode:
Described LAA website sends described instruction order by last symbol of a subframe;
Described LAA website sends described instruction order by last P the symbol of a subframe, and wherein, the span of P is the integer of 2 to 14;
Described LAA website sends described instruction order by last symbol of a time slot;
Described LAA website sends described instruction order by last Q the symbol of a time slot, and wherein, the span of Q is the integer of 2 to 7.
29. the method according to claim 4, it is characterised in that described instruction order includes: Downlink Control Information DCI.
30. the method according to claim 29, it is characterised in that described Downlink Control Information DCI transmits on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.
31. the method according to claim 4, it is characterized in that, described LAA terminal receives the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal, according to described instruction order, described LAA terminal determines that the described signal of transmitting and/or channel include:
Described LAA terminal receives the described instruction order that described LAA website is sent by n-th subframe;
Described LAA terminal determines that wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4 at the N+M subframe described signal of transmitting and/or channel.
32. the method according to claim 1, it is characterised in that when launching described signal and/or channel at described LAA website, described method also includes:
Other LAA terminals receive described signal and/or channel;
Other LAA decoding terminals described obtain the Channel holding time information indicated by described signal and/or channel;
Described Channel holding time information is fed back to LAA website by authorizing carrier wave by other LAA terminals described.
33. the method according to claim 32, it is characterised in that other LAA terminals described include by authorizing carrier wave that described Channel holding time information is fed back to LAA website:
Other LAA terminals described use RACH/detection reference signal SRS/ media access control MAC control element CE/ network allocation vector MAV to feed back described Channel holding time information to LAA website.
34. a unauthorized carrier occupancy device, it is arranged in mandate auxiliary and accesses LAA terminal or LAA website, it is characterised in that including:
Transmitter module, is used for launching signal and/or channel, obtains for the LAA website near described LAA terminal or described LAA website/Wireless Fidelity WiFi access point AP/WiFi site STA/other LAA terminals;
Wherein, the Channel holding time information of the time of the unauthorized carrier resource that described signal and/or channel take for indicating described LAA terminal or described LAA website.
35. device according to claim 34, it is characterised in that when described device is arranged in LAA terminal, described device also includes:
Decision module, for according to pre-conditioned, determining to launch described signal and/or channel.
36. according to the device that claim 35 is stated, it is characterised in that described transmitter module includes:
Determine unit, be used for determining that LAA terminal or described LAA website compete described unauthorized carrier resource;
Transmitter unit, for when determining competition to described unauthorized carrier resource, launching described signal and/or channel immediately.
37. device according to claim 34, it is characterised in that when described device is arranged in LAA terminal, described device also includes:
Receiver module, for receiving the instruction order launching described signal and/or channel from the LAA website servicing described LAA terminal;
Determine module, for according to described instruction order, it is determined that launch described signal and/or channel.
38. device according to claim 34, it is characterised in that described signal and/or channel are additionally operable to represent that the channel taken discharges in advance.
39. the device according to any one of claim 34 to 38, it is characterised in that described transmitter module is additionally operable to the mode by one below and launches described channel:
The detection reference signal SRS launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates described Channel holding time information;
The random access guiding launching full bandwidth or fractional bandwidth on first symbol of a subframe indicates described Channel holding time information;
The random access guiding launching full bandwidth or fractional bandwidth on first symbol and second symbol of a subframe indicates described Channel holding time information;
The random access guiding launching full bandwidth or fractional bandwidth in a subframe or multiple subframe indicates described Channel holding time information;
A subframe or multiple subframe are launched media access control MAC control element CE and indicates described Channel holding time information;
The detection reference signal SRS launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates described Channel holding time information;
The random access guiding launching full bandwidth or fractional bandwidth on last symbol of a subframe indicates described Channel holding time information;
The random access guiding launching full bandwidth or fractional bandwidth on last two symbols of a subframe indicates described Channel holding time information.
40. the device according to any one of claim 34 to 38, it is characterised in that
Described transmitter module, is used for launching network allocation vector NAV to indicate described Channel holding time information.
41. device according to claim 40, it is characterised in that described NAV is the NAV of WiFi form.
42. device according to claim 40, it is characterised in that described NAV is carried on request transmission RTS or channel idle can send CTS.
43. device according to claim 40, it is characterised in that described transmitter module is additionally operable to the mode by one below and launches described signal:
First symbol of a subframe is launched described NAV to indicate described Channel holding time information;
First symbol and second symbol of a subframe are launched described NAV to indicate described Channel holding time information.
44. device according to claim 40, it is characterised in that random access guiding described in described detection reference signal SRS//described MAC control element CE is authorizing transmitting on carrier wave.
45. device according to claim 40, it is characterised in that random access guiding described in described detection reference signal SRS//described MAC control element CE launches on unauthorized carrier wave.
46. device according to claim 41, it is characterised in that described NAV launches on unauthorized carrier wave.
47. the device according to claim 40 or 41, it is characterised in that described transmitter module is additionally operable to the mode by one below and launches described signal and/or channel:
First symbol of a subframe on unauthorized carrier wave launches described NAV, and then launches described detection reference signal SRS;
First symbol of a subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described detection reference signal SRS;
First symbol of a subframe on unauthorized carrier wave launches described NAV, and then launches described random access guiding;
First symbol of a subframe on unauthorized carrier wave and second symbol launch described NAV, and then launches described random access guiding;
First symbol of a subframe on unauthorized carrier wave launches described random access guiding, and then launches described NAV;
First symbol of a subframe on unauthorized carrier wave and second symbol launch described random access guiding, and then launches described NAV;
First symbol of a subframe on unauthorized carrier wave is launched described NAV, and on last symbol of this subframe, launches described random access guiding;
First symbol of a subframe on unauthorized carrier wave and second symbol are launched described NAV, and launches described random access guiding on last two symbols of this subframe.
48. device according to claim 40, it is characterised in that when described transmitter module launches described random access guiding, the targeting sequencing of described random access guiding is used for indicating described Channel holding time information.
49. device according to claim 40, it is characterised in that when described transmitter module launches described detection reference signal SRS, the sequence of described detection reference signal SRS is used for indicating described Channel holding time information.
50. device according to claim 47, it is characterised in that described device also includes:
Perforating module, for when described NAV abutted to transmitting in a symbol or two symbols with described random access guiding, the fractional-sample point of described random access guiding is punched by described LAA terminal or described LAA website; Or, when described NAV and described detection reference signal SRS abutted to and launches in a symbol, the fractional-sample point of described detection reference signal SRS is punched by described LAA terminal or described LAA website.
51. device according to claim 50, it is characterised in that described transmitter module is additionally operable to:
The sampled point being perforated is utilized to launch described NAV.
52. device according to claim 48, it is characterised in that described device also includes:
Targeting sequencing generation module, for being produced the targeting sequencing of described random access guiding by Zadoff-Chu sequence.
53. the device according to claim 52, it is characterised in that described targeting sequencing generation module is additionally operable to:
By selecting different root Zadoff-Chu sequence to produce described targeting sequencing, or, by selecting different circulation skew Zadoff-Chu sequence to produce described targeting sequencing.
54. the device according to claim 52, it is characterised in that the length of described targeting sequencing is the prime number between 139 to 2633.
55. the device according to claim 54, it is characterised in that the length of described targeting sequencing is one below: 139,839,1117,1193.
56. the device according to claim 55, it is characterised in that described device also includes: channel resource determines module, determine, for the mode according to one below, the channel resource launching described random access guiding:
When the length of described targeting sequencing is 139, described random access guiding takies 6 �� 2iIndividual Resource Block, and subcarrier spacing is 7.5 �� 2iKHz, wherein, the span of i is the integer of 0 to 4;
When the length of described targeting sequencing is 839, described random access guiding takies 6 �� j Resource Block, and subcarrier spacing is 1.25 �� jkHz, and wherein, the span of j is the integer of 1 to 16;
When the length of described targeting sequencing is 1117, described random access guiding takies 96 Resource Block, and subcarrier spacing is 15kHz;
When the length of described targeting sequencing is 1193, described random access guiding takies 100 Resource Block, and subcarrier spacing is 15kHz.
57. the device according to claim 56, it is characterised in that described Resource Block comprises 12 sub-intercarriers and is divided into the Resource Block of 15kHz.
58. the device according to claim 34, it is characterised in that when described device is arranged in LAA website, described transmitter module also includes:
Expanding element, for extending the sampling number of the part less than a symbol by cyclic prefix CP.
59. the device according to claim 37, it is characterised in that described instruction order includes: Downlink Control Information DCI.
60. the device according to claim 59, it is characterised in that described Downlink Control Information DCI transmits on the Physical Downlink Control Channel EPDCCH of physical downlink control channel PDCCH or enhancing.
61. the device according to claim 37, it is characterised in that
Described receiver module, for receiving the described instruction order that described LAA website is sent by n-th subframe;
Described determining module, be used for determining and launch described signal and/or channel the N+M subframe, wherein, the span of N is positive integer, and the span of M is the integer of 0 to 4.
CN201410624147.8A 2014-11-07 2014-11-07 Unlicensed carrier occupation method and device CN105636178A (en)

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