WO2016184331A1

WO2016184331A1 - Method and device for processing unauthorized carrier

Info

Publication number: WO2016184331A1
Application number: PCT/CN2016/081611
Authority: WO
Inventors: 苟伟; 赵亚军; 彭佛才; 毕峰
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-05-15
Filing date: 2016-05-10
Publication date: 2016-11-24

Abstract

A method and device for processing an unauthorized carrier. The method comprises: a site executes clear channel assessment (CCA) and/or evolved clear channel assessment (eCCA); and the site occupies an unauthorized carrier in reserved granularity, and/or occupies the unauthorized carrier in asserted time length. Through the embodiments of the present invention, occupation of an unauthorized carrier is realized.

Description

Method and device for unlicensed carrier processing

Technical field

This document relates to, but is not limited to, the field of communications, and in particular, to a method and apparatus for unlicensed carrier processing.

Background technique

Up to now, Long Term Evolution (LTE) is deployed in licensed carriers. With the evolution of LTE, in the second half of 2013, some companies (such as Qualcomm of the United States) proposed to study the topic of LTE deployment in unlicensed carriers. However, it has not been accepted and approved by LTE until now.

The reasons given by Qualcomm include: With the rapid growth of data services, in the near future, the licensed spectrum will no longer be able to withstand such a huge amount of data. Therefore, it is recommended to consider deploying LTE in the unlicensed spectrum to share the data traffic in the authorized carrier through the unlicensed spectrum.

In addition, there are many advantages for unlicensed spectrum. For example, the unlicensed spectrum has the following characteristics and advantages:

Free/low cost (no need to purchase non-spectrum, spectrum resources are zero cost);

Low access requirements and low cost (individuals and enterprises can participate in the deployment, and the equipment of the equipment manufacturer can be arbitrarily);

Shared resources (when multiple different systems are operating or when different operators of the same system are operating, you can consider some ways of sharing resources to improve spectrum efficiency);

There are many wireless access technologies (cross-communication standards, difficult collaboration, and diverse network topologies);

There are many wireless access sites (large number of users, difficult collaboration, and centralized management overhead);

There are many applications (from the data point of view, multi-services are mentioned to be able to operate therein, such as Machine to Machine (M2M, Vehicle to Vehicle, V2V for short).

The above characteristics determine that the unlicensed carrier may be an important evolution direction of the wireless communication system, but at the same time there are also many problems. For example, there will be a variety of wireless systems in the unlicensed carrier. These wireless systems are difficult to coordinate and have serious interference.

If the LTE system is operating in an unlicensed carrier, how does the LTE base station cooperate with the subframe scheduling of the LTE when the LTE base station preempts the unlicensed carrier resources, avoiding resource waste, and under the constraint of the competitive fallback mechanism suitable for LTE, How to consider the length of time is more reasonable and is a problem that needs to be solved.

For the problem that the occupation of the unlicensed carrier cannot be realized in the related art, an effective solution has not been proposed yet.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a method and a device for processing an unlicensed carrier, which can implement occupation of an unlicensed carrier.

According to an aspect of an embodiment of the present invention, a method for unlicensed carrier processing is provided, comprising: a station performing an idle channel assessment CCA and/or an evolved idle channel assessment eCCA; the station occupying an unlicensed carrier with a predetermined granularity, And/or occupying an unlicensed carrier in the claimed duration.

Optionally, the station occupies the unlicensed carrier with a predetermined granularity, at least one of the following manners: the station occupies the unlicensed carrier in a granularity of a subframe; the station is occupied by a granularity in a scheduling unit. The unlicensed carrier, wherein the scheduling unit comprises at least one of: a long term evolution LTE slot, one or more orthogonal frequency division multiplexing OFDM symbols.

Optionally, the method further includes: when the station occupies an unlicensed carrier, the station determines a duration of the unlicensed carrier that needs to be occupied.

Optionally, the station determines that the duration of the unlicensed carrier that needs to be occupied includes at least one of the following: if the last subframe in the subframe within the duration of the unlicensed carrier is a non-complete subframe, Determining, by the station, the last subframe within the duration of deleting or not using the unlicensed carrier;

The duration of the unlicensed carrier is a complete subframe except that the first subframe may be a non-complete subframe;

If the last scheduling unit in the scheduling unit within the duration of the unlicensed carrier is incomplete When scheduling the unit, the station determines the last scheduling unit within the duration of deleting or not using the unlicensed carrier;

The duration of the unlicensed carrier is the complete scheduling unit except that the first scheduling unit can be a non-complete scheduling unit.

Optionally, the station determines that the duration of the unlicensed carrier that needs to be occupied includes at least one of the following:

When the last subframe in the subframe within the duration of the unlicensed carrier is a non-complete subframe, if all the durations of the last subframe are included in the duration of the unlicensed carrier, and When the duration of the unlicensed carrier does not exceed the maximum duration specified by the regulation or protocol, the station determines the duration of all subframes occupying and using all the durations of the last subframe;

When the last scheduling unit in the scheduling unit of the duration of the unlicensed carrier is a non-complete scheduling unit, if the entire duration of the last scheduling unit is included in the duration of the unlicensed carrier, and the unauthorized When the duration of the carrier does not exceed the maximum duration specified by the regulation or protocol, the station determines the duration of all scheduling units that occupy and use all the durations of the last scheduling unit.

Optionally, when the claimed duration is at least one of a time amount, a fixed time length, and a pre-configured time length, the claimed duration includes:

After the first subframe of the claimed duration or the actual occupied duration of the first scheduling unit is removed, the remaining occupied duration is obtained, and the remaining occupied duration is divided by the subframe duration or the scheduling unit duration to obtain a quotient value, and the obtained quotient value is obtained. The sub-frame or scheduling unit corresponding to the actual occupied duration obtained by rounding up or up.

Optionally, the method further includes at least one of the following:

When the station occupies the unlicensed carrier, the station has priority usage rights for the unlicensed carrier;

When the station occupies the unlicensed carrier, the station can authorize other stations to use the unlicensed carrier, wherein when the other station needs to use the unlicensed carrier, the other site is at the site Using CCA and/or eCCA within the duration of occupying the unlicensed carrier to obtain the use right of using the unlicensed carrier;

The CCA and/or eCCA executed by the other site during the occupation time of the site is a preemptive summary. The rate is greater than the high priority CCA and/or eCCA of the CCA and/or eCCA that the station preempts the unlicensed carrier.

Optionally, the duration parameter that occupies the duration of the unlicensed carrier includes at least one of the following:

The station continuously occupies a subframe from a subframe in which CCA and/or eCCA success is performed, wherein a subframe in which the CCA and/or eCCA is successfully performed is included or not included in a duration of the unlicensed carrier;

The station starts a continuously occupied scheduling unit from a scheduling unit that performs CCA and/or eCCA success, wherein a scheduling unit that performs the CCA and/or eCCA success includes or is not included in the duration of the unlicensed carrier;

Determining, by the station, an OFDM symbol that is occupied from an OFDM symbol that performs CCA and/or eCCA success;

Determining, by the station, a subframe that needs to be occupied relative to the current subframe;

Determining, by the station, a scheduling unit that needs to be occupied relative to the current scheduling unit;

The OFDM symbol determined by the station to be occupied relative to the current OFDM symbol;

Determining, by the station, a subframe number of a last subframe within a duration of occupying an unlicensed carrier after the current subframe;

The station determines the number of the last scheduling unit within the duration of the unoccupied carrier after the current scheduling unit.

Optionally, the method further includes at least one of the following:

When the duration parameter includes a subframe that the station continuously occupies from a subframe that performs CCA and/or eCCA success, the duration parameter further includes: a last subframe of the consecutive occupied subframes The occupied OFDM symbol;

When the duration parameter includes a scheduling unit that is continuously occupied by the station from a scheduling unit that performs CCA and/or eCCA success, the duration parameter further includes: a last scheduling unit of the continuously occupied scheduling units. The occupied OFDM symbol;

When the duration parameter includes the station determining that the remaining needs of the current subframe are occupied The duration parameter further includes: an OFDM symbol occupied in a last subframe of the remaining subframes that need to be occupied;

When the duration parameter includes that the station determines a scheduling unit that needs to be occupied with respect to the current scheduling unit, the duration parameter further includes: the remaining one of the remaining scheduling units that need to be occupied. Occupied OFDM symbol;

When the duration parameter includes the subframe number of the last subframe in the duration of the occupant of the unlicensed carrier after the current subframe is determined, the duration parameter further includes: the last subframe is occupied. OFDM symbol;

When the duration parameter includes the number of the last scheduling unit within the duration of the time that the station determines the relative unoccupied carrier after the current scheduling unit, the duration parameter further includes: the occupied OFDM in the last scheduling unit. symbol.

Optionally, the performing CCA and/or eCCA by the station comprises: the station performing the CCA and/or eCCA in a pre-predetermined number of OFDM symbols in a subframe in which the CCA and/or eCCA are performed.

Optionally, when the station determines the last subframe within the duration of deleting or not using the unlicensed carrier; and/or, the station determines the last schedule within the duration of deleting or not using the unlicensed carrier. In units of units, the performing CCA and/or eCCA includes:

The station or the other station performs the CCA and/or eCCA in the last subframe and/or last scheduling unit; and/or,

The station authorized by the station performs the CCA and/or eCCA in the last subframe and/or the last scheduling unit.

Optionally, the method further includes:

When the station determines the last subframe within the duration of the deletion or non-use of the unlicensed carrier; and/or, the station determines to delete or not use the last scheduling unit within the duration of the unlicensed carrier,

The station does not use the last subframe and/or the last scheduling unit to transmit data.

Optionally, the method further includes: when the CCAS and/or eCCA successful subframe and/or scheduling unit is included in the duration,

Calculating the duration of the unlicensed carrier by using the entire subframe and/or scheduling unit that performs the CCA and/or eCCA success as one subframe or scheduling unit; and/or,

a subframe and/or a scheduling unit that will perform the CCA and/or eCCA success, from the time when the CCA and/or eCCA is executed until the subframe and/or the scheduling unit ends. Calculated in the duration of the unlicensed carrier.

Optionally, the end time of the duration of the unlicensed carrier is an end boundary time of a predetermined subframe and/or a scheduling unit.

Optionally, the method further includes:

The station, when occupying the unlicensed carrier, allows other stations to use resources on the unlicensed carrier in a multiplexed manner with the station; or the station allows the other station to separately use the unlicensed carrier And the multiplexing method, where the multiplexing manner includes at least one of: frequency division multiplexing, time division multiplexing, space division multiplexing, code division multiplexing, when the other station uses the multiplexing manner by using the When the resources on the unlicensed carrier are not required, the other sites need to perform CCA and/or eCCA first, and after performing the CCA and/or eCCA successfully, the resources are reused;

The performing, by the other station, the CCA and/or the eCCA includes: the other station performing the CCA and/or eCCA according to an agreed frequency resource pattern, where the agreed frequency resource pattern includes at least one of the following: Physical resource block PRB, agreed resource unit RE, agreed subcarrier.

Optionally, the obtained subframe or scheduling unit corresponding to the actual occupied duration includes at least one of the following:

If the obtained quotient value is rounded up, and the actual occupation time does not exceed the maximum duration specified by the regulation and/or the agreement, the station determines the length of the claim by adopting rounding up;

If the obtained quotient value is rounded up and the actual occupation time exceeds the maximum duration specified by the regulation and/or the protocol, the station determines the duration of the declaration by taking a rounding down.

Optionally, the time amount includes: a value of a duration of the unlicensed carrier in the signaling describing the duration of the unlicensed carrier, where the value is a time in a time unit. the amount.

Optionally, the fixed length of time includes the site specified in the protocol and/or regulation The length of time that the unlicensed carrier is claimed.

Optionally, the pre-configured time length comprises a semi-statically configured time length and/or a dynamically configured time length.

Optionally, the usage right of the unlicensed carrier acquired by the other station is valid within a duration that the site occupies the unlicensed carrier;

The valid period of time that the site occupies the unlicensed carrier includes:

Valid in one or more subframes within the duration in which the site occupies the unlicensed carrier; or in one or more scheduling units within the duration of the site occupying the unlicensed carrier.

Optionally, the method further includes: when the site occupies the unlicensed carrier, and the subframe and/or scheduling unit that is not used by the site is used by the other site, if the site needs to be reused Referring to the subframe and/or scheduling unit, the station does not need to perform the CCA and/or eCCA, but directly uses the subframe and/or scheduling unit.

Optionally, the method further includes that the station occupies an unlicensed carrier with a predetermined granularity, and/or, after occupying the unlicensed carrier for a claimed duration,

The station notifies other stations by using an occupation time that includes the duration of occupying the unlicensed carrier.

Optionally, the station notifies the other stations to the occupied duration by at least one of the following manners:

Sending, by the station, the occupation duration signaling by using a subframe in which the CCA and/or eCCA is successful;

Sending, by the station, the occupation duration signaling by using a scheduling unit that performs the CCA and/or eCCA success;

The station transmits the occupied duration signaling by using a pre-agreed next subframe of a subframe in which the CCA and/or eCCA is successful;

The station sends the occupied duration signaling by using a pre-agreed next scheduling unit that performs the CCA and/or eCCA successful scheduling unit;

Sending, by the station, the occupied duration by using each of the durations of the unlicensed carriers Signaling

The station transmits the occupation duration signaling by using each scheduling unit of the duration of the unlicensed carrier.

Optionally, the sending, by the station, the occupation duration signaling by using each of the durations of the unlicensed carriers includes:

The station transmits the occupied duration signaling by using a public wireless network temporary authentication RNTI assistance by using the agreed resource location in each of the subframes.

Optionally, the method further includes: after performing the CCA and/or eCCA, the station determines at least one of the following frequency domain resources:

The frequency domain of the physical resource block PRB where there is no signal energy;

The frequency domain of the resource unit RE without signal energy;

The frequency domain of the subcarrier where there is no signal energy.

Optionally, the method further includes:

After determining the frequency domain resource, the site

Determining a site attribute occupying an unlicensed carrier according to a pattern of the frequency domain resource in which no signal energy exists, wherein the site attribute includes at least one of: operator information of the site, whether the site supports frequency reuse, and/or complex use.

Optionally, the method further includes:

After performing the CCA and/or eCCA, the station determines at least one of the following frequency domain resources:

a frequency domain of a physical resource block PRB in which signal energy is present;

a frequency domain of a resource unit RE in which signal energy is present;

The frequency domain of the subcarrier in which the signal energy is present.

Optionally, the method further includes:

After determining the frequency domain resource, the site

Determining a site occupying an unlicensed carrier based on a pattern of the frequency domain resource in which signal energy is present An attribute, wherein the site attribute comprises at least one of: operator information to which the site belongs, whether the site supports frequency reuse and/or multiplexing.

According to another aspect of an embodiment of the present invention, there is provided an apparatus for unlicensed carrier processing, the apparatus being applied to a station, comprising: an execution module configured to perform a clear channel assessment CCA and/or an evolved idle channel assessment eCCA The occupancy module is configured to occupy an unlicensed carrier with a predetermined granularity and/or to occupy an unlicensed carrier for a declared duration.

Optionally, the occupancy module is set to:

Taking the subframe as a granularity, occupying the unlicensed carrier with a predetermined granularity; and/or,

Using the scheduling unit as the granularity, occupying the unlicensed carrier with a predetermined granularity, where the scheduling unit includes at least one of: a long-term evolution LTE time slot, one or more orthogonal frequency division multiplexing OFDM symbols; and / or,

The unlicensed carrier is occupied by the claimed duration.

According to another aspect of an embodiment of the present invention, a method for unlicensed carrier processing is provided, the method comprising:

The station performs an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

The station occupies an unlicensed carrier with a predetermined granularity, and/or occupies the unlicensed carrier with a claimed duration;

The station configures signaling according to the duration of occupying the unlicensed carrier, and sends the signaling;

The signaling includes: describing an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in a duration in which the station occupies the unlicensed carrier.

Optionally, the occupying, by the predetermined granularity, the unlicensed carrier by the station includes at least one of the following manners:

The station occupies the unlicensed carrier in a granularity of a subframe;

The station occupies an unlicensed carrier in granularity in a scheduling unit, where the scheduling unit includes at least one of the following: a long term evolution LTE time slot, one or more orthogonal frequency division multiplexing OFDM symbols.

Optionally, the sending, by the station, the signaling includes:

The station transmits the letter by using one or more subframes within a duration of the unlicensed carrier Order; and/or,

The station transmits the signaling in each subframe within the duration of the unlicensed carrier.

Optionally, the sending, by the station, the signaling includes:

The station sends the signaling after the agreed resource location in the subframe within the duration of the unlicensed carrier is assisted by a public wireless network temporary authentication RNTI.

Optionally, the sending, by the station, the signaling includes:

The station sends the signaling in a subframe within a duration of the unlicensed carrier using a physical search space of a physical downlink control channel PDCCH or an enhanced physical downlink control channel ePDCCH.

Optionally, the method further includes: when the last subframe is a complete subframe in the subframe within the duration of the unlicensed carrier, the signaling describes that all OFDM symbols of the last subframe are occupied. .

Optionally, when the subframes in the duration of the unlicensed carrier include an uplink subframe and a downlink subframe, the subframe occupied by the site includes only the downlink subframe, or only the uplink subframe, or includes the uplink. The sum of the subframe and the downlink subframe.

Optionally, in a subframe in a duration of the unlicensed carrier, when the last subframe is a non-complete subframe, the signaling describes an OFDM symbol occupied in the last subframe.

Receiving and parsing signaling of the duration of the unlicensed carrier sent by the station;

Determining, according to the parsed signaling, an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in the duration;

The signaling includes: describing an OFDM symbol occupied in a last subframe in a duration in which the station occupies the unlicensed carrier.

According to another aspect of an embodiment of the present invention, an apparatus for unlicensed carrier processing is provided, where the apparatus is applied to a site, including:

The execution module is configured to perform an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

The carrier occupation module is configured to occupy an unlicensed carrier with a predetermined granularity;

The sending module is configured to: configure signaling according to the duration of occupying the unlicensed carrier, and send the signaling;

According to another aspect of an embodiment of the present invention, an apparatus for unlicensed carrier processing is provided, including:

The receiving module is configured to receive and parse signaling sent by the station that occupies an unlicensed carrier;

The determining module is configured to determine, according to the parsed signaling, an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in the duration;

With the embodiment of the present invention, the site performs CCA and/or eCCA; the station occupies the unlicensed carrier with a predetermined granularity, and/or occupies the unlicensed carrier with the claimed duration, thereby realizing the occupation of the unlicensed carrier.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a flow chart of a method of unlicensed carrier processing in accordance with an embodiment of the present invention;

2 is a structural block diagram of an apparatus for unlicensed carrier processing according to an embodiment of the present invention;

3 is a flowchart of a method for unlicensed carrier processing according to another embodiment of the present invention;

4 is a flowchart of a method for unlicensed carrier processing according to still another embodiment of the present invention;

FIG. 5 is a structural block diagram of an apparatus for processing unlicensed carriers according to another embodiment of the present invention; FIG.

6 is a structural block diagram of an apparatus for unlicensed carrier processing according to still another embodiment of the present invention;

7 is a schematic diagram of an LTB design in accordance with an embodiment of the present invention;

FIG. 8 is a schematic diagram of occupation time and occupied resources according to an embodiment of the present invention.

Embodiments of the invention

Embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

In this embodiment, an unlicensed carrier occupation method is provided. FIG. 1 is a flowchart of a method for unlicensed carrier processing according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:

Step 102: The station performs a clear channel assessment (CCA) and/or an evolved idle channel assessment (eCCA);

It should be noted that the site performs CCA and/or eCCA in order to obtain the use right of using the unlicensed carrier in step 104;

Step 104: The station occupies an unlicensed carrier with a predetermined granularity, and/or occupies an unlicensed carrier for a declared duration.

It should be noted that occupying an unlicensed carrier with a predetermined granularity includes occupying an unlicensed carrier with a preset granularity. Similarly, occupying the unlicensed carrier by the claimed duration includes occupying the unlicensed carrier by the claimed duration.

After the CCA and/or the eCCA are performed, the unlicensed carrier is occupied by the predetermined granularity and/or the claimed duration, and the unlicensed carrier is occupied, which solves the problem that the unlicensed carrier cannot be implemented in the related art. The problem of occupancy.

In an optional embodiment, the foregoing site occupying the unlicensed carrier with a predetermined granularity may include at least one of the following: the station occupies an unlicensed carrier in a granularity of the subframe; the station uses the scheduling unit as the granularity. An authorized carrier; wherein the scheduling unit comprises at least one of: a Long Term Evolution (LTE) time slot, one or more orthogonal frequency division multiplexing (OFDM) symbols.

Optionally, when the station occupies the unlicensed carrier with a predetermined granularity, and/or when the unlicensed carrier is occupied by the claimed duration, the method further includes: determining, by the station, the duration of the unlicensed carrier that needs to be occupied. The duration of the claim may be less than or equal to the determined length of time required to occupy the unlicensed carrier.

If the last subframe in the subframe within the duration of the unlicensed carrier is a non-complete subframe, the station determines the last subframe in the duration of deleting or not using the unlicensed carrier; that is, the station determines not to The last subframe that occupies or occupies but does not use the unlicensed carrier; the duration of the unlicensed carrier is the complete subframe except that the first subframe can be a non-complete subframe; here, the first The subframes may be non-complete subframes or complete subframes. If the last scheduling unit in the scheduling unit within the duration of the unlicensed carrier is a non-complete scheduling unit, the station determines the last scheduling unit in the duration of deleting or not using the unlicensed carrier; that is, the site is not occupied or occupied but not The last scheduling unit of the unlicensed carrier is used; except for the first scheduling unit, which may be a non-complete scheduling unit, the remaining scheduling units are complete scheduling units; here, the first scheduling unit may be A non-complete scheduling unit, or a complete scheduling unit.

When the last subframe in the subframe in the foregoing duration is a non-complete subframe, if the duration of the last subframe is included in the duration of the unlicensed carrier, and the duration of the unlicensed carrier does not exceed the control duration Or the maximum duration specified by the protocol, the foregoing station determines the duration of all subframes occupying and using all the durations of the last subframe; when the last scheduling unit in the scheduling unit within the duration of the unlicensed carrier is a non-complete scheduling In the unit, if the duration of the last scheduling unit is included in the above duration, and the duration of the unlicensed carrier does not exceed the maximum duration specified by the regulation or protocol, the station determines to occupy and use the entire duration including the last scheduling unit. The duration of all scheduling units.

In an optional embodiment, when the claimed duration may be at least one of a time amount, a fixed time length, and a pre-configured time length, the claimed duration includes:

After the first subframe of the claimed duration or the actual occupied duration of the first scheduling unit is removed, the remaining occupied duration is obtained, and the remaining occupied duration is divided by the subframe duration or the scheduling unit duration to obtain the quotient value, and the obtained quotient value is downward. Or round up the sub-frame or scheduling unit corresponding to the actual occupied duration.

In an optional embodiment, the method of the embodiment of the present invention further includes at least one of the following:

When the above site occupies an unlicensed carrier, the above site has priority use rights for the unlicensed carrier;

When the above site occupies an unlicensed carrier, the foregoing site can authorize other sites to use the unlicensed carrier. When other sites need to use the unlicensed carrier, the other sites perform CCA and/or within the unlicensed carrier duration occupied by the site. Or eCCA to obtain the right to use the unlicensed carrier;

It should be noted that other sites herein may include subordinate user equipments (UEs) of the site;

The CCA and/or eCCA performed by the other stations in the occupied duration of the foregoing station is a high priority CCA and/or eCCA with a preemption probability greater than the CCA and/or eCCA of the unlicensed carrier.

In an optional embodiment, the duration parameter that occupies the duration of the unlicensed carrier includes at least one of the following: a subframe that is continuously occupied by the station from a subframe that performs CCA and/or eCCA success, where the CCA is executed. And/or the eCCA successful subframe includes or is not included in the duration of the above-mentioned unlicensed carrier; the station starts to be continuously occupied by the scheduling unit that performs CCA and/or eCCA success, wherein the CCA and/or eCCA is executed. The successful scheduling unit includes or is not included in the duration of the above-mentioned unlicensed carrier; the station determines the OFDM symbol occupied from the OFDM symbol that performs CCA and/or eCCA success; the station determines that the remaining needs with respect to the current subframe are occupied Subframe; the station determines the remaining scheduling units to be occupied relative to the current scheduling unit; the OFDM symbols determined by the station to be occupied relative to the current OFDM symbol; the station determines to occupy the non-authorization after the current subframe The subframe number of the last subframe within the duration of the carrier; the station determines that the unlicensed carrier is occupied after the current scheduling unit Finally, a number of units scheduled in the long.

Wherein, when the duration parameter includes a subframe that is continuously occupied by the station from a subframe in which the CCA and/or the eCCA is successful, the duration parameter further includes: the occupied one of the last subframe in the continuously occupied subframe. OFDM symbol; when the duration parameter includes a scheduling unit that is continuously occupied by the station from a scheduling unit that performs CCA and/or eCCA success, the duration parameter further includes: the last scheduling unit in the continuously occupied scheduling unit is occupied. OFDM symbol; when the duration parameter includes a station determining a subframe that needs to be occupied relative to the current subframe, the duration parameter further includes: the remaining one of the remaining subframes that need to be occupied is occupied. The OFDM symbol; when the duration parameter includes the station determining the remaining scheduling unit to be occupied relative to the current scheduling unit, the duration parameter further includes: the remaining one of the remaining scheduling units that need to be occupied is occupied. OFDM symbol; when the duration parameter includes a station determining to occupy an unlicensed carrier after the current subframe When the subframe number of the last subframe is included, the duration parameter further includes: an OFDM symbol occupied in the last subframe; when the duration parameter includes a duration in which the station determines to occupy the unlicensed carrier after the current scheduling unit At last When the number of a scheduling unit is numbered, the duration parameter further includes: an OFDM symbol occupied in the last scheduling unit.

In an optional embodiment, the performing the CCA and/or the eCCA by the station comprises: the station performing CCA and/or eCCA in a predetermined number of OFDM symbols in a subframe in which the CCA and/or eCCA are performed.

In an optional embodiment, when the station determines the last subframe within the duration of deleting or not using the unlicensed carrier; and/or, the station determines the last schedule within the duration of deleting or not using the unlicensed carrier. In the case of units, the above-mentioned implementation of CCA and / or eCCA includes:

The site or other site (eg, a subordinate UE of the site) performs CCA and/or eCCA in the last subframe and/or the last scheduling unit; and/or, the site authorized by the site is in the last subframe and/or Or perform CCA and/or eCCA in the last scheduling unit.

In an optional embodiment, the method of the embodiment of the present invention further includes:

When the station determines the last subframe within the duration of the deletion or non-use of the unlicensed carrier; and/or, when the station determines to delete or not use the last scheduling unit within the duration of the unlicensed carrier,

The site does not use the last subframe and/or the last scheduling unit to send data.

In an optional embodiment, when the subframe and/or scheduling unit that performs CCA and/or eCCA success is included in the above duration; the subframe and/or scheduling unit that performs CCA and/or eCCA success is used as a whole. One subframe or scheduling unit, calculated in the duration of the above unlicensed carrier; and/or, in a subframe and/or scheduling unit that will perform CCA and/or eCCA success, from the moment when CCA and/or eCCA is executed until The subframe and/or the scheduling unit ending the subframe and/or the scheduling unit are calculated in the duration of the above-mentioned unlicensed carrier.

In an optional embodiment, the end time of the duration of the unlicensed carrier is the end boundary time of the predetermined subframe and/or the scheduling unit.

In an optional embodiment, when the site occupies an unlicensed carrier, the other site allows the other site to use the resource on the unlicensed carrier in a multiplexed manner, or the site allows the other site to use the unlicensed carrier separately. The foregoing multiplexing method includes at least one of the following: frequency division multiplexing, time division multiplexing, space division multiplexing, code division multiplexing, when other stations use resources on an unlicensed carrier by using the foregoing multiplexing manner , the other sites need to first perform CCA and / or eCCA, in the implementation After the CCA and/or the eCCA succeeds, the resource multiplexing is performed; wherein the performing the CCA and/or the eCCA by the other stations includes: the other station performing the CCA and/or the eCCA according to the agreed frequency resource pattern, the agreed frequency resource pattern At least one of the following includes: an agreed physical resource block (PRB), an agreed resource unit (RE), and an agreed subcarrier.

When the unlicensed carrier is occupied by the claimed duration, and the claimed duration includes: the remaining occupied duration is obtained after removing the first subframe of the claimed duration or the actual occupied duration of the first scheduling unit, and the remaining occupied duration is divided by The sub-frame duration or the scheduling unit duration obtains the quotient value, and the obtained quotient value is rounded down or up to the sub-frame or scheduling unit corresponding to the actual occupied duration; if the quotient value obtained is rounded up, the actual occupation is occupied. If the duration does not exceed the maximum length specified by the regulation and/or agreement, the site shall determine the length of the claim by rounding up; if the obtained quotient is rounded up, the actual occupation exceeds the control and/or agreement. At the maximum duration, the site takes a rounding down to determine the length of the claim.

The foregoing amount of time includes a value of a duration in which the station includes the unlicensed carrier in the signaling describing the duration of occupying the unlicensed carrier, and the value is an amount of time in a time unit.

The fixed length of time described above includes the length of time each site occupies an unlicensed carrier as specified in the protocol and/or regulation.

The length of the pre-configured time described above includes the length of time of the semi-static configuration and/or the length of time of the dynamic configuration.

In an optional embodiment, the usage rights of the unlicensed carrier acquired by the other stations are valid for the duration of the site occupying the unlicensed carrier;

The validity of the duration of occupying the unlicensed carrier by the site includes:

Valid in one or more subframes within the duration of the site occupying the unlicensed carrier; or within one or more scheduling units within the duration of the site occupying the unlicensed carrier.

In an optional embodiment, when the above-mentioned site occupies an unlicensed carrier, and the subframe and/or scheduling unit that the station does not use is used by other sites, if the site needs to reuse the subframe and/or the scheduling unit, The site does not need to perform CCA and/or eCCA, but directly uses subframes and/or scheduling units.

In an alternative embodiment, the station occupies an unlicensed carrier with a predetermined granularity, and/or, After the unlicensed carrier is occupied by the claimed duration, the method further includes: the station notifying other stations by using an occupation duration that includes the duration of occupying the unlicensed carrier.

Optionally, the foregoing station may notify the other station by using the occupied duration in at least one of the following manners: the station sends the occupation duration signaling by using a subframe that performs CCA and/or eCCA success; the site utilizes performing CCA and/or eCCA The successful scheduling unit sends the occupancy duration signaling; the station transmits the occupancy duration signaling using the pre-agreed next subframe of the subframe in which the CCA and/or eCCA is successful; the site utilizes a pre-agreed CCA and/or The next scheduling unit of the eCCA successful scheduling unit sends the occupation duration signaling; the station uses each subframe in the duration of the unlicensed carrier to transmit the occupation duration signaling; the station utilizes each scheduling unit of the duration of the unlicensed carrier. Send occupancy time signaling.

Optionally, when the foregoing station uses the duration of the unlicensed carrier to send the occupation duration signaling, the station uses the public resource pre-authentication (RNTI) assistance after using the agreed resource location in each subframe. Send occupancy time signaling.

In an optional embodiment, after performing CCA and/or eCCA, the foregoing station may determine at least one of the following frequency domain resources: a frequency domain of a physical resource block PRB in which no signal energy exists; a resource unit RE in which no signal energy exists Frequency domain; the frequency domain of subcarriers where there is no signal energy.

Optionally, after determining the frequency domain resource that does not have the signal energy, the foregoing station further includes: determining, according to a pattern of the frequency domain resource that does not have the signal energy, a site attribute that occupies an unlicensed carrier, where the site attribute includes the following: At least one of: the carrier information to which the site belongs, whether the site supports frequency reuse and/or multiplexing.

In an optional embodiment, the foregoing station may further determine at least one of the following frequency domain resources after performing CCA and/or eCCA: a frequency domain of a PRB having signal energy; a frequency domain of an RE having signal energy; a presence signal The frequency domain of the subcarriers of energy.

Optionally, after determining the frequency domain resource that has the energy signal, the foregoing station further includes: determining, according to a pattern of the frequency domain resource with the signal energy, a site attribute that occupies an unlicensed carrier, where the site attribute includes at least the following One: The operator information of the site, whether the site supports frequency reuse and/or reuse.

Optionally, when the foregoing site needs to pass the attribute information of the site of the unlicensed carrier, The attribute information of the station occupying the unlicensed carrier is transmitted by performing CCA and/or eCCA detection.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the method of each embodiment of the present invention.

In this embodiment, a device for accommodating the carrier is also provided, and the device is used to implement the foregoing embodiments and the optional embodiments, and details are not described herein. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the method for occupying the unlicensed carrier.

2 is a structural block diagram of an apparatus for unlicensed carrier processing according to an embodiment of the present invention. The apparatus may be applied to a station. As shown in FIG. 2, the apparatus includes an execution module 22 and an occupancy module 24. Description.

The execution module 22 is configured to perform a clear channel assessment (CCA) and/or an evolved clear channel assessment (eCCA); the occupancy module 24 is coupled to the execution module 22, configured to occupy an unlicensed carrier with a predetermined granularity, and/or The unlicensed carrier is occupied by the claimed duration. .

In an alternative embodiment, the occupancy module is set to:

The unlicensed carrier is occupied by a predetermined granularity in a scheduling unit, wherein the scheduling unit includes at least one of: a Long Term Evolution (LTE) time slot, one or more orthogonalities. Frequency division multiplexing (OFDM) symbols; and/or,

The unlicensed carrier is occupied by the claimed duration.

The station occupies an unlicensed carrier with a predetermined granularity, and/or when the unlicensed carrier is occupied by the claimed duration, the method further includes: determining, by the station, the duration of the unlicensed carrier that needs to be occupied. The duration of the claim may be less than or equal to the determined length of time required to occupy the unlicensed carrier.

If the last subframe in the subframe in the duration of the unlicensed carrier is a non-complete subframe, the station determines the last subframe in the duration of deleting or not using the unlicensed carrier; that is, the site determines that it is not occupied or occupied. The last subframe of the unlicensed carrier is not used; the duration of the unlicensed carrier may be a complete subframe except that the first subframe may be a non-complete subframe; here, the first subframe may be It can be a complete sub-frame or a complete sub-frame. If the last scheduling unit in the scheduling unit within the duration of the unlicensed carrier is a non-complete scheduling unit, the station determines the last scheduling unit in the duration of deleting or not using the unlicensed carrier; that is, the site is not occupied or occupied but not The last scheduling unit of the unlicensed carrier is used; except for the first scheduling unit, which may be a non-complete scheduling unit, the remaining scheduling units are complete scheduling units; here, the first scheduling unit may be A non-complete scheduling unit, or a complete scheduling unit.

In an optional embodiment, the embodiment of the present invention further includes at least one of the following:

In an optional embodiment, the duration parameter that occupies the duration of the unlicensed carrier includes at least one of the following: a subframe that is continuously occupied by the station from a subframe that performs CCA and/or eCCA success, where the CCA is executed. And/or the eCCA successful subframe includes or is not included in the duration of the above-mentioned unlicensed carrier; the station starts to be continuously occupied by the scheduling unit that performs CCA and/or eCCA success, wherein the CCA and/or eCCA is executed. The successful scheduling unit includes or is not included in the duration of the above-mentioned unlicensed carrier; the station determines the OFDM symbol occupied from the OFDM symbol that performs CCA and/or eCCA success; the station determines that the remaining needs with respect to the current subframe are occupied Subframe; the station determines the remaining scheduling units to be occupied with respect to the current scheduling unit; the OFDM symbols determined by the station to be occupied relative to the current OFDM symbol; the station determines to occupy the non-authorization after the current subframe The subframe number of the last subframe within the duration of the carrier; the station determines that the unlicensed carrier is occupied after the current scheduling unit Finally, a number of units scheduled in the long.

Wherein, when the duration parameter includes a subframe that is continuously occupied by the station from a subframe in which the CCA and/or the eCCA is successful, the duration parameter further includes: the occupied one of the last subframe in the continuously occupied subframe. OFDM symbol; when the duration parameter includes a scheduling unit that is continuously occupied by the station from a scheduling unit that performs CCA and/or eCCA success, the duration parameter further includes: the last scheduling unit in the continuously occupied scheduling unit is occupied. OFDM symbol; when the duration parameter includes a station determining a subframe that needs to be occupied relative to the current subframe, the duration parameter further includes: the remaining one of the remaining subframes that need to be occupied is occupied. of OFDM symbol; when the duration parameter includes a station determining a remaining scheduling unit to be occupied with respect to the current scheduling unit, the duration parameter further includes: the remaining one of the remaining scheduling units in the scheduling unit that needs to be occupied OFDM symbol; when the duration parameter includes a subframe number of a last subframe within a duration of occupying an unlicensed carrier after the current subframe, the duration parameter further includes: an OFDM symbol occupied in the last subframe When the duration parameter includes the number of the last scheduling unit within the duration of occupying the unlicensed carrier after the station determines the current scheduling unit, the duration parameter further includes: the occupied OFDM symbol in the last scheduling unit.

In an optional embodiment, the embodiment of the present invention further includes:

In an optional embodiment, the end time of the duration of the unlicensed carrier is a predetermined sub The end boundary time of the frame and/or scheduling unit.

In an optional embodiment, when the site occupies an unlicensed carrier, the other site allows the other site to use the resource on the unlicensed carrier in a multiplexed manner, or the site allows the other site to use the unlicensed carrier separately. The foregoing multiplexing method includes at least one of the following: frequency division multiplexing, time division multiplexing, space division multiplexing, code division multiplexing, when other stations use resources on an unlicensed carrier by using the foregoing multiplexing manner The other site needs to perform CCA and/or eCCA first, and then perform resource reuse after performing CCA and/or eCCA successfully; wherein, the other sites performing CCA and/or eCCA include: the other sites according to the agreed frequency resource The pattern performs CCA and/or eCCA, and the agreed frequency resource pattern includes at least one of the following: an agreed physical resource block (PRB), an agreed resource unit (RE), and an agreed subcarrier.

The foregoing amount of time includes a value of a duration in which the station includes the unlicensed carrier in signaling describing a duration of occupying an unlicensed carrier, the value being an amount of time in dimensions.

The validity of the duration when the site occupies the unlicensed carrier includes:

Valid in one or more subframes within the duration of the site occupying the unlicensed carrier; or, at the station The point is valid within one or more scheduling units within the duration of the unlicensed carrier.

In an optional embodiment, the station occupies an unlicensed carrier with a predetermined granularity, and/or after occupying the unlicensed carrier with the claimed duration, the method further includes: the duration of the station including the duration of occupying the unlicensed carrier Signaling to other sites.

Optionally, when the foregoing station uses each subframe in the duration of the transmission of the occupation duration signaling, the station uses the public resource pre-authentication (RNTI) auxiliary to send the occupation duration message by using the agreed resource location in each subframe. make.

In an optional embodiment, the foregoing station may further determine at least one of the following frequency domain resources after performing the CCA and/or the eCCA: a frequency domain of the PRB having the signal energy; and the presence of the signal energy The frequency domain of the RE; the frequency domain of the subcarrier in which the signal energy is present.

Optionally, when the foregoing site needs to pass the attribute information of the site of the unlicensed carrier, the attribute information of the site occupying the unlicensed carrier may be transmitted by performing CCA and/or eCCA detection.

FIG. 3 is a flowchart of a method for unlicensed carrier processing according to another embodiment of the present invention. As shown in FIG. 3, the method includes:

Step 302: The station performs a clear channel assessment (CCA) and/or an evolved idle channel assessment (eCCA);

Step 304: The station occupies an unlicensed carrier with a predetermined granularity;

Step 306: The station configures signaling according to the duration of occupying the unlicensed carrier, and sends signaling.

The signaling includes: describing an OFDM symbol occupied in a last subframe in a duration in which the station occupies an unlicensed carrier.

Optionally, the site occupies the unlicensed carrier with a predetermined granularity, including at least one of the following manners:

The station occupies an unlicensed carrier with a subframe as granularity;

Optionally, the station sending signaling includes:

The station transmits signaling using one or more subframes within the duration of the unlicensed carrier; and/or,

The station sends signaling in each subframe within the duration of the unlicensed carrier.

Optionally, the station sending signaling includes:

The station sends signaling after the agreed resource location in the subframe within the duration of the unlicensed carrier is assisted by the common RNTI.

Optionally, the station sending signaling includes:

The station transmits signaling using a common search space of a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (ePDCCH) in a subframe within the duration of the unlicensed carrier.

The method of the embodiment of the present invention further includes: when the last subframe is a complete subframe in the subframe within the duration of the unlicensed carrier, the signaling describes that all OFDM symbols of the last subframe are occupied.

Optionally, when the subframes in the duration of the unlicensed carrier include the uplink subframe and the downlink subframe, the subframe occupied by the site includes only the downlink subframe, or only the uplink subframe, or both the uplink subframe and the downlink. The sum of the sub-frames.

Optionally, in the subframe within the duration of the unlicensed carrier, when the last subframe is a non-complete subframe, the signaling describes the OFDM symbol occupied in the last subframe.

4 is a flowchart of a method for processing unlicensed carriers according to still another embodiment of the present invention. As shown in FIG. 4, the method includes:

Step 402: Receive and parse signaling sent by the station to occupy an unlicensed carrier.

Step 404: Determine, according to the parsed signaling, an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe of the duration;

It should be noted that the embodiment of the present invention may be implemented by other sites than the site that sends signaling that occupies the duration of the unlicensed carrier, and other sites may include subordinate UEs of the site that transmit signaling that occupies the duration of the unlicensed carrier.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the unlicensed carrier processing.

FIG. 5 is a structural block diagram of an apparatus for processing an unlicensed carrier according to another embodiment of the present invention. The apparatus of the embodiment of the present invention is applied to a station, as shown in FIG. 5,

The execution module 22 is configured to perform a clear channel assessment (CCA) and/or an evolved clear channel assessment (eCCA);

The carrier occupancy module 26 is configured to occupy an unlicensed carrier with a predetermined granularity;

The sending module 28 is configured to configure signaling and send signaling according to the duration of occupying the unlicensed carrier;

The signaling includes: describing an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in a duration in which the station occupies an unlicensed carrier.

FIG. 6 is a structural block diagram of an apparatus for processing an unlicensed carrier according to still another embodiment of the present invention. As shown in FIG. 6, the method includes:

The receiving module 62 is configured to receive and parse signaling sent by the station to occupy an unlicensed carrier;

The determining module 64 is configured to determine, according to the parsed signaling, an OFDM symbol occupied in a last subframe in the duration;

It should be noted that the apparatus of the embodiment of the present invention may be set at a site other than a station that transmits signaling that occupies the length of the unlicensed carrier, or with a site other than signaling that transmits the duration of the unlicensed carrier. Other stations are connected, and other stations may include subordinate UEs of stations that transmit signaling that occupies the length of the unlicensed carrier.

The embodiments of the present invention will be described in detail below with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and to achieve the technical effect can be fully understood and implemented.

The LTE is deployed in an unlicensed carrier. In the research and evolution of LTE, it is called a License Assisted Access (LAA) system. The present application considers a scheduling rule based on LTE subframes (1 ms duration) to define different starting points of different suitable unoccupied carrier occupation durations, and based on this, gives a signaling design for determining the occupation duration. And the way in which the occupation time is defined and described based on different starting points is different, so that the cooperation between the given LBT designs is more reasonable.

A possible LAA listen-before-talk (LBT) design reference Figure 7 is a schematic illustration of an LTB design in accordance with an embodiment of the present invention. In FIG. 3, the execution position of CCA and/or eCCA (hereinafter referred to as CCA/eCCA) is mainly solidified in the frame structure of LTE. The CCA/eCCA start execution can only be performed from the start position of the subframe, and is performed in the first few OFDM symbols in the subframe, and the CCA/eCCA detection is not allowed in the remaining time in the subframe, and each subframe Both support the above CCA/eCCA detection. This LBT design is relatively simple and easy to implement with LTE frame structure and data mapping transmission. However, there are still some problems in this mechanism that need to be improved and improved. For example, when the last one of the LAA site occupation time is a non-complete subframe, the station uses the first OFDM symbols of the previous time to transmit data, but in the subframe, other LAA stations detect that the channel corresponding to the subframe is Busy, and then wait until the next subframe to perform CCA/eCCA detection again. At this time, the OFDM symbol used by the LAA site that is not occupied by the subframe will be wasted, and it is easy to be detected by the WIFI system through the CCA/eCCA detection. Take the channel.

The design method of occupying the duration and occupying resources is given below. In addition to better matching the above LBT design, the method can still be used under other LBT designs. For an understanding of the implementation, reference may be made to FIG. 8. FIG. 8 is a schematic diagram of occupation time and occupied resources according to an embodiment of the present invention. Figure 8 contains several different ways, which are explained below:

Mode 1

After the site performs CCA and/or eCCA successfully, the station uses the subframe as the granularity, or in the scheduling unit A (where the subframe is not specifically stated below, the subframe can be replaced by the scheduling unit A, the scheme can still be implemented) as the granularity Unlicensed carriers are occupied and used. If the subframe in the occupied duration or the last subframe in the scheduling unit A or the scheduling unit A is a non-complete subframe (the time direction of the subframe is not fully occupied) or the non-complete scheduling unit A, the time passes. The protocol stipulates that the station removes the last subframe or scheduling unit A from the occupied duration; or the station occupation time is longer than the first subframe or the scheduling unit A may be a non-complete subframe or a non-complete scheduling unit A. The remaining time length can only occupy several complete LTE subframes or scheduling unit A. (Note here, in fact, several complete LTE subframes or scheduling unit A refers to the existing LTE subframe or scheduling unit A, not the rest. The duration is equal to the cumulative duration of several complete LTE subframes or scheduling unit A. For example, when the remaining duration required for site calculation cannot be exactly equal to several subframes, only an integer number of subframes or scheduling units A) can be taken down.

The station performs CCA/eCCA in the first N OFDM symbols of each subframe, and does not perform CCA/eCCA in other times. The range of the first N OFDM symbols is also dynamically or semi-statically changeable, or is adjusted by the performing CCA/eCCA station according to a preset trigger condition.

When the subframes in the duration of the station include the uplink and downlink subframes, the duration of the LAA station includes only the downlink subframes, or only the uplink subframes, or the duration of the uplink and downlink subframes.

The station does not use the last subframe or scheduling unit A, and other stations or the site may perform CCA/eCCA for resource preemption therein; or the station does not use the last subframe or scheduling unit A to send data, but can receive data. . Or the site authorized by this site performs CCA/eCCA in it.

When the station calculates the occupied duration, it is necessary to calculate the entire duration of the CCA/eCCA successful subframe or scheduling unit A in the station occupation time, that is, from the start time of the subframe or scheduling unit that performs the CCA/eCCA process. The starting point of the occupied duration. Or, when the station calculates the duration, the time when the CCA/eCCA success is performed is used as the starting point of the occupied duration; or when the station calculates the occupied duration, the entire duration of the OFDM symbol corresponding to the CCA/eCCA successful subframe is calculated. During the station occupation time, that is, the starting point of the OFDM symbol that performs CCA/eCCA success is taken as the starting point of the occupation time.

The scheduling unit A includes a slot of LTE or an OFDM symbol of LTE, and may also be a combination of several symbols into one scheduling unit A.

The station that performs CCA/eCCA successfully transmits the occupation duration signaling. The signaling can be designed as follows. For the above method, the corresponding signaling design is as follows:

When the time-consuming signaling of the station occupies the duration information of the station as the number of the subframes or the scheduling unit A, the protocol can be used to describe the number of occupied subframes including the successful execution of the CCA/eCCA successful subframe or scheduling unit A; The protocol stipulates that the number of occupied subframes of the signaling description does not include the subframe or scheduling unit A that performs CCA/eCCA success, but starts from the subsequent subframe or scheduling unit A. For the latter, the length of time that the station needs to guarantee the description of the signaling plus the subframe or scheduling unit A that performs CCA/eCCA success does not exceed the maximum duration of the single occupancy specified by the regulation or protocol.

The signaling design is:

Option 1: The signaling of the occupied duration includes the following parameters: Parameter 1, describing how many consecutive subframes are occupied from the success of the CCA and/or eCCA successful subframe; Parameter 2, describing the last subframe in the subframe in Parameter 1 The first few OFDM symbols are within the occupied duration. The parameter 2 is optional, for example, when all the OFDM symbols of the last subframe belong to the occupied duration, the parameter 2 may not be sent. The subframes in which the CCA and/or the eCCA are successfully executed are included in the occupied duration (obviously, they may not be included in the occupied duration, and the processing is similar at this time, and details are not described herein again).

Option 2: The signaling of the occupied duration includes the following parameters: Parameter 3, describing how many scheduling units A are consecutively occupied from the scheduling unit A that performs CCA and/or eCCA success; parameter 4, which is the last in the parameter 1 describing the scheduling unit. The first few OFDM symbols of a scheduling unit A belong to the occupied duration. The parameter 4 is optional, when all the OFDM symbols of the last scheduling unit belong to the occupied duration. The scheduling unit A that performs CCA and/or eCCA success is included in the occupied duration (obviously, it may not be included in the occupied duration, and the processing is similar at this time, and details are not described herein again). At this time, the scheduling unit A may be a time slot (the time slot of LTE is 0.5 ms).

Option 3: The signaling of the occupation duration includes the following parameter: Parameter 5, describing how many OFDMs are consecutively occupied from the OFDM performing CCA and/or eCCA success; wherein the OFDM performing CCA and/or eCCA success is included in the occupation time Internal (apparently, it may not be included in the occupation time, the processing is similar at this time, and will not be described here).

Option 4: The signaling of the occupied duration includes the following parameters: Parameter 6, how many subframes remain or the scheduling unit A or OFDM symbols are occupied relative to the current subframe or scheduling unit A or OFDM symbol (the current subframe is not counted) If the current subframe is counted, the processing is similar and will not be described again; parameter 7, the last subframe described in parameter 6 above or the first few OFDM symbols in scheduling unit A belong to the occupied duration (for the remaining How many OFDM symbols do not include parameter 7). The parameter 7 is optional, when all the OFDM symbols of the last subframe belong to the occupied duration. The subframe in which the CCA and/or the eCCA is successfully executed is included in the occupied duration (obviously, it may not be included in the occupied duration, and the processing is similar at this time, and details are not described herein again).

Option 5: The signaling of the occupation duration includes the following parameters: parameter 8, the subframe number of the last subframe or the number of the scheduling unit A in the current subframe or the occupation time after the scheduling unit A; parameter 9, the foregoing The last subframe described in parameter 8 or the first few OFDM symbols in scheduling unit A belong to the occupied duration. Where parameter 9 is optional, when all OFDM symbols of the last subframe belong to When the time is long. The subframe in which the CCA and/or the eCCA is successfully executed is included in the occupied duration (obviously, it may not be included in the occupied duration, and the processing is similar at this time, and details are not described herein again). The occupied subframes are continuously occupied.

The following is a description of the location of the transmit subframe or scheduling unit for occupancy duration signaling:

The signaling of the occupied duration can be transmitted in the subframe or scheduling unit A in which the CCA/eCCA is successfully executed; or is agreed to be in the subframe in which the CCA/eCCA is successful or the next subframe or scheduling unit A in the scheduling unit A. For selections 4 and 5, it can also be sent in every subframe or scheduling unit A during the occupation period, so that other stations that miss the first subframe or the previous subframe during the occupation period can also continue to receive. Optionally, the reserved resource location in each subframe is sent by using a common RNTI. A common search space, such as PDCCH or ePDCCH, is transmitted.

The site allows other stations to use the unused unlicensed carrier resources of the occupation period by multiplexing (including frequency division multiplexing, time division multiplexing, code division multiplexing, space division multiplexing) within the occupation time, or allowing other sites to be separate. Use the resources of this occupancy period.

When the time-length signaling occupied by the site describes the duration information occupied by the site as the amount of time, for example, the occupation is N milliseconds (N is not necessarily an integer), and the starting point of the occupied duration is the same as the foregoing manner. At this time, according to different starting points of the occupied duration, the station needs to calculate the actually occupied subframe or scheduling unit A in the following manner:

The duration of the occupied CCA/eCCA succession or the occupation time in the scheduling unit A (which actually needs to be treated differently according to the agreed duration), and the remaining duration is divided by the duration of the subframe or scheduling unit A. The value is rounded down as the number of subframes or scheduling units A actually occupied by the station.

After the station performs CCA and/or eCCA successfully, the station occupies and uses the unlicensed carrier with the subframe as granularity or with the scheduling unit A as granularity.

For the description of the occupation duration, a 2-level structure description is used: the first-level description of the occupied subframe condition can be adopted in the above manner. Wherein, the first level can be described using no more than 4 bits. Because different regions have different maximum occupancy durations, such as 10 milliseconds (ms) or 13 ms in Europe and 4 ms in Japan. The second level is described as the first few consecutive OFDM symbols in the last subframe of the occupied subframe are included in the occupied duration.

Alternatively, the description of the occupation duration is described by the amount of time, for example, a length of time of 4 bits (or no more than 4 bits), in milliseconds or microseconds. At this time, other receiving sites or the site are required, and the corresponding actual occupied subframe or scheduling unit A is converted according to the foregoing manner.

For the occupied station, there are two cases of the occupied duration. In one case, the occupied time of the station is converted (converted to the boundary of the subframe or the boundary of the scheduling unit A), and the occupied duration is recorded as the actual occupied duration. One is that the occupied station sends an unscaled occupancy time, at which point other sites need to be converted. At this time, other stations are required to obtain the symbol position or subframe position of their CCA/eCCA success when performing CCA/eCCA. Other sites are available through CCA/eCCA testing.

After other stations receive the occupied duration signaling sent by the occupied station, other stations can perform resource multiplexing during the occupied period, or other stations can not perform CCA/eCCA detection for the occupied duration, so that CCA is executed after the occupied duration ends. The /eCCA test captures resources, saving power and making other sites simple to design.

Mode 2

Compared with mode 1, mode 2 overcomes the problem that the site data cannot be completely transmitted, because mode 1 adopts a rounding down method, which causes the site resources to be reduced. Mode 2 adds up-rounding on the basis of mode 1, and the rest of the processing is the same as mode 1.

Within the occupation time of the station, if the subframe within the occupied duration or the last subframe or scheduling unit A in the scheduling unit A is a non-complete subframe or a non-complete scheduling unit, if the last subframe or the scheduling unit A is all When the duration is included in the occupied duration, and the occupied duration does not exceed the maximum duration specified by the regulation or protocol, the station occupies and uses the last subframe or the total duration of the scheduling unit A (that is, the last subframe or scheduling unit A is all included in Within the length of time).

For the rest of the processing methods, in the case of no conflict, the processing mode of mode 1 or similar processing is performed.

Mode 3

The duration of the site occupancy is described in terms of amount of time.

After the site performs CCA and/or eCCA successfully, the duration of the station's claimed duration is the amount of time, or the duration of the station's claimed duration is a fixed period of time (for example, each time occupied is solid) When the duration of the timeout is the length of the configured time, the actual duration of the site is: except the actual occupation time of the first subframe or scheduling unit A, the remaining occupied duration is divided by the subframe duration or scheduling. The duration of the unit A is rounded up or up to obtain the subframe or scheduling unit corresponding to the actual occupied duration.

If the actual occupation time does not exceed the maximum time specified by the regulation or agreement, the site takes rounding up. If the actual occupation time exceeds the maximum time specified by the regulation or agreement, the site takes a rounding down.

The length of the claimed time is a fixed period of time, which means that the length of time occupied by the site in the agreement or regulation is a fixed length of time; the declared length of time is that the duration of the site is semi-static or dynamic. Configuration of.

Within the duration of the claimed duration of the site, the site has the priority to use the corresponding subframe to transmit data or receive data compared to other sites. Other sites have low priority access and use. The subframe or scheduling unit corresponding to the actual occupied duration or the subframe or scheduling unit corresponding to the actual occupied duration within the claimed duration, if the station wants to use it, it needs to perform CCA/eCCA for competitive preemption. After successful, it can be used; or if other sites want to use it, if the site is authorized to use, CCA/eCCA competing preemption will not be performed; or when other sites are allowed to be frequency-multiplexed, other sites only need to be scheduled. The sub-multiplexed frequency bands perform CCA/eCCA detection for competitive preemption use; or when other stations are allowed to reuse frequency, other stations do not need to perform CCA/eCCA contention preemption.

For the remaining processing modes, in the case of no conflict, the processing mode of mode 1 or mode 2, or a similar process is performed.

Mode 4

After the site performs CCA and/or eCCA successfully, the site has priority to use the unlicensed carrier within the duration of the site's claimed duration, or the site can authorize other sites to use it. Other sites obtain the use by performing CCA/eCCA within the claimed duration, and use the unlicensed carrier when other sites acquire the usage rights.

When other sites obtain the right to use, when the unlicensed carrier is used, the usage rights acquired by other sites are valid only for the claimed duration.

When other sites obtain the right to use, when the unlicensed carrier is used, the usage rights acquired by other sites are valid only in one subframe or one scheduling unit.

The site does not need to perform CCA/eCCA and is used directly when the site needs to reuse the subframe or scheduling unit when the site does not use the subframe or the scheduling unit is used by other sites within the claimed duration.

The site is capable of allowing frequency division multiplexing or time division multiplexing or space division multiplexing or code division multiplexing of unlicensed carriers with other stations within the claimed duration. When frequency division multiplexing, other stations first perform CCA/eCCA in the multiplexed frequency resources, and then reuse them after successful.

For the remaining processing modes, in the case of no conflict, the processing manner of mode 1 or mode 2 or mode 3, or a similar process is performed.

Modes 1, 2, 3, and 4 can be used in combination without conflict.

The present invention will be described below in conjunction with specific embodiments:

Example 1

When the occupation start time is the starting point of the subframe in which CCA/eCCA is successful:

The starting point of the LAA site appointment duration is the starting point of the subframe in which the CCA/eCCA is successfully executed. After the site occupies the unlicensed carrier, the station determines the duration of the site load from the starting position of the subframe where the CCA/eCCA success is performed as the starting point of the occupied duration.

For example, the subframe in which the station starts performing CCA/eCCA detection is subframe 0, and until the subframe 1, the station performs CCA/eCCA success (ie, the station obtains the use right of the unlicensed carrier according to the agreed rules). Then, the station needs to determine the occupation duration by using the starting point of the subframe 1 as the starting point of the occupied duration.

The other station receives the signaling for resolving the duration of the station, and determines the subframe or OFDM symbol position whose end time is occupied according to the occupied duration of the signaling description. After the site is occupied, other sites are allowed to perform CCA/eCCA for resource preemption.

Example 2

When the occupation start time is the time when CCA/eCCA is successful:

The starting point of the LAA site's agreed duration is the point in time when CCA/eCCA is successfully executed. Site share After the unlicensed carrier is used, the station determines the time required for the site load to take the time from the point of time when the CCA/eCCA is successfully executed as the starting point of the occupied duration.

For example, the subframe in which the station starts performing CCA/eCCA detection is subframe 0, and the station performs CCA/eCCA success until a certain time point in subframe 1 (that is, the station obtains the use right of the unlicensed carrier according to the agreed rule). Then, the station needs to determine the occupied duration by using the time point in the subframe 1 as the starting point of the occupied duration.

Example 3

The preemptive station sends signaling that takes a long time, and the signaling design can be divided into two levels.

After the site preempts the successful resources, the station confirms the signaling of the occupied duration, generates corresponding signaling describing the subframe level and the symbol level, and sends the corresponding signaling.

The signaling parameter of the sub-frame level is that: how many subframes still exist after the current subframe is occupied (the current subframe is not included), where the current subframe is signaling for sending or receiving the occupied duration.

The symbol level signaling parameter means: how many OFDM symbols in the last subframe of the description of the subframe level signaling are occupied.

When the station occupying the unlicensed carrier in the present embodiment forms the signaling of the occupation time, it needs to ensure that the maximum duration of the single occupation does not exceed the maximum duration specified by the regulation or protocol.

Symbol level signaling can be sent as optional signaling. When the last subframe occupied by the station is a complete subframe, symbol level signaling is not sent. Similarly, when there is no symbol level parameter in the signaling received by other stations, the last one in the occupied duration is considered to be a complete subframe.

Example 4

The site within the occupation time has priority and the site is reused with other land occupation resources.

The station that preempts the unlicensed carrier succeeds, and sends the occupation duration signaling, which describes the occupied duration of the site claim, and the site has the right to use the resource preferentially within the occupied duration.

For example, after Site 1 performs CCA/eCCA preemption successfully, Site 1 sends a Declared Occupancy Duration signaling. When Site 1 allows other sites to use resources within the claimed duration by frequency division multiplexing, other sites need to be in use. Perform the corresponding CCA/eCCA detection on the frequency resource to obtain the usage right before using it.

When Site 1 allows other sites to use resources within the claimed duration by means of time division multiplexing, other sites need to use CCA/eCCA to preempt the resources of the unlicensed carrier for use. And each scheduling unit or subframe must be executed after CCA/eCCA is successful. For example, only a single CCA test can be performed.

When Site 1 allows other sites to use resources within the claimed duration by means of code division and space division multiplexing, other sites may perform the necessary CCA/eCCA later use or may use them directly. The necessary CCA/eCCA means that when other stations perform CCA/eCCA, if the channel is detected to be busy and the channel is busy due to the signal sent by station 1, other stations are still regarded as channel idle processing.

Through the foregoing embodiments, the unlicensed carrier occupation in the LTE system can be implemented, and the LTE physical channel signaling in the related art is used to the greatest extent, so that the impact on the LTE system is minimized.

It should be noted that each of the foregoing modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

Embodiments of the present invention also provide a storage medium. Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S1, the station performs an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

S2, the station occupies an unlicensed carrier with a predetermined granularity, and/or occupies an unlicensed carrier for a declared duration.

Optionally, in the embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). A medium that can store program code, such as a hard disk, a disk, or a disc.

Optionally, specific examples in this embodiment may refer to the foregoing embodiment and the optional implementation manner. The described examples are not described herein again.

Obviously, those skilled in the art should understand that the above-described modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by a computing device such that they may be stored in a storage device by a computing device and, in some cases, may be executed in a different order than herein. The steps shown or described are either made into respective integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

The above technical solution realizes occupation of an unlicensed carrier.

Claims

A method of unlicensed carrier processing, the method comprising:

The station performs an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

The station occupies an unlicensed carrier with a predetermined granularity and/or occupies an unlicensed carrier for a claimed duration.
The method of claim 1, wherein the station occupies the unlicensed carrier with a predetermined granularity comprises at least one of the following:

The station occupies the unlicensed carrier in a granularity of a subframe;

The station occupies the unlicensed carrier in a scheduling unit, wherein the scheduling unit includes at least one of the following: a long term evolution LTE time slot, one or more orthogonal frequency division multiplexing OFDM symbols.
The method of claim 1, further comprising: when the station occupies an unlicensed carrier,

The station determines the duration of the unlicensed carrier that needs to be occupied.
The method according to claim 3, wherein the station determines that the duration of the unlicensed carrier that needs to be occupied comprises at least one of the following:

If the last subframe in the subframe within the duration of the unlicensed carrier is a non-complete subframe, the station determines the last subframe in the duration of deleting or not using the unlicensed carrier;

The duration of the unlicensed carrier is a complete subframe except that the first subframe may be a non-complete subframe;

If the last scheduling unit in the scheduling unit within the duration of the unlicensed carrier is a non-complete scheduling unit, the station determines the last scheduling unit in the duration of deleting or not using the unlicensed carrier;

The duration of the unlicensed carrier is the complete scheduling unit except that the first scheduling unit can be a non-complete scheduling unit.
The method according to claim 3, wherein the station determines that the duration of the unlicensed carrier that needs to be occupied comprises at least one of the following:

When the last subframe in the subframe within the duration of the unlicensed carrier is a non-complete subframe, if all the durations of the last subframe are included in the duration of the unlicensed carrier, and When the duration of the unlicensed carrier does not exceed the maximum duration specified by the regulation or protocol, the station determines the duration of all subframes occupying and using all the durations of the last subframe;

When the last scheduling unit in the scheduling unit of the duration of the unlicensed carrier is a non-complete scheduling unit, if the entire duration of the last scheduling unit is included in the duration of the unlicensed carrier, and the unauthorized When the duration of the carrier does not exceed the maximum duration specified by the regulation or protocol, the station determines the duration of all scheduling units that occupy and use all the durations of the last scheduling unit.
The method of claim 1, wherein when the declared duration is at least one of a time amount, a fixed length of time, and a pre-configured length of time, the claimed duration comprises:

After the first subframe of the claimed duration or the actual occupied duration of the first scheduling unit is removed, the remaining occupied duration is obtained, and the remaining occupied duration is divided by the subframe duration or the scheduling unit duration to obtain a quotient value, and the obtained quotient value is obtained. The sub-frame or scheduling unit corresponding to the actual occupied duration obtained by rounding up or up.
The method of claim 1 further comprising at least one of the following:

When the station occupies the unlicensed carrier, the station has priority usage rights for the unlicensed carrier;

When the station occupies the unlicensed carrier, the station can authorize other stations to use the unlicensed carrier, wherein when the other station needs to use the unlicensed carrier, the other site is at the site Using CCA and/or eCCA within the duration of occupying the unlicensed carrier to obtain the use right of using the unlicensed carrier;

The CCA and/or eCCA performed by the other station within the duration of the station occupation is a high priority CCA and/or eCCA with a preemption probability greater than the CCA and/or eCCA of the non-authorized carrier.
The method according to claim 3, wherein the duration parameter occupying the duration of the unlicensed carrier comprises at least one of the following:

The station continuously occupies a subframe from a subframe in which CCA and/or eCCA success is performed, wherein a subframe in which the CCA and/or eCCA is successfully performed includes or is not included in the unauthorized In the duration of the carrier;

The station starts a continuously occupied scheduling unit from a scheduling unit that performs CCA and/or eCCA success, wherein a scheduling unit that performs the CCA and/or eCCA success includes or is not included in the duration of the unlicensed carrier;

Determining, by the station, an OFDM symbol that is occupied from an OFDM symbol that performs CCA and/or eCCA success;

Determining, by the station, a subframe that needs to be occupied relative to the current subframe;

Determining, by the station, a scheduling unit that needs to be occupied relative to the current scheduling unit;

The OFDM symbol determined by the station to be occupied relative to the current OFDM symbol;

Determining, by the station, a subframe number of a last subframe within a duration of occupying an unlicensed carrier after the current subframe;

The station determines the number of the last scheduling unit within the duration of the unoccupied carrier after the current scheduling unit.
The method of claim 8 further comprising at least one of the following:

When the duration parameter includes a subframe that the station continuously occupies from a subframe that performs CCA and/or eCCA success, the duration parameter further includes: a last subframe of the consecutive occupied subframes The occupied OFDM symbol;

When the duration parameter includes a scheduling unit that is continuously occupied by the station from a scheduling unit that performs CCA and/or eCCA success, the duration parameter further includes: a last scheduling unit of the continuously occupied scheduling units. The occupied OFDM symbol;

When the duration parameter includes the subframe that is determined to be occupied by the station with respect to the current subframe, the duration parameter further includes: the remaining one of the remaining subframes that need to be occupied. Occupied OFDM symbol;

When the duration parameter includes that the station determines a scheduling unit that needs to be occupied with respect to the current scheduling unit, the duration parameter further includes: the remaining one of the remaining scheduling units that need to be occupied. Occupied OFDM symbol;

When the duration parameter includes the subframe number of the last subframe in the duration of the occupant of the unlicensed carrier after the current subframe is determined, the duration parameter further includes: the last subframe is occupied. OFDM symbol;

When the duration parameter includes the number of the last scheduling unit within the duration of the time that the station determines the relative unoccupied carrier after the current scheduling unit, the duration parameter further includes: the occupied OFDM in the last scheduling unit. symbol.
The method of claim 1, wherein the performing CCA and/or eCCA by the station comprises: the station performing the CCA in a pre-predetermined number of OFDM symbols in a subframe in which the CCA and/or eCCA are performed And / or eCCA.
The method of claim 4, wherein the station determines the last subframe within the duration of the deletion or non-use of the unlicensed carrier; and/or the station determines to delete or not use the unauthorized When performing the last scheduling unit within the duration of the carrier, the performing CCA and/or eCCA includes:

The station or the other station performs the CCA and/or eCCA in the last subframe and/or last scheduling unit; and/or,

The station authorized by the station performs the CCA and/or eCCA in the last subframe and/or the last scheduling unit.
The method of claim 4, further comprising:

When the station determines the last subframe within the duration of the deletion or non-use of the unlicensed carrier; and/or, the station determines to delete or not use the last scheduling unit within the duration of the unlicensed carrier,

The station does not use the last subframe and/or the last scheduling unit to transmit data.
The method of claim 8, further comprising, when a subframe and/or a scheduling unit that performs the CCA and/or eCCA success is included in the duration,

Calculating the duration of the unlicensed carrier by using the entire subframe and/or scheduling unit that performs the CCA and/or eCCA success as one subframe or scheduling unit; and/or,

a subframe and/or a scheduling unit that will perform the CCA and/or eCCA success, from the time when the CCA and/or eCCA is executed until the subframe and/or the scheduling unit ends the subframe and/or scheduling The unit is calculated in the duration of the unlicensed carrier.
The method according to claim 3, wherein the end time of the duration of the unlicensed carrier is an end boundary time of a predetermined subframe and/or a scheduling unit.
The method of claim 1 further comprising:

The station, when occupying the unlicensed carrier, allows other stations to use resources on the unlicensed carrier in a multiplexed manner with the station; or the station allows the other station to separately use the unlicensed carrier And the multiplexing method, where the multiplexing manner includes at least one of: frequency division multiplexing, time division multiplexing, space division multiplexing, code division multiplexing, when the other station uses the multiplexing manner by using the When the resources on the unlicensed carrier are not required, the other sites need to perform CCA and/or eCCA first, and after performing the CCA and/or eCCA successfully, the resources are reused;

The performing, by the other station, the CCA and/or the eCCA includes: the other station performing the CCA and/or eCCA according to an agreed frequency resource pattern, where the agreed frequency resource pattern includes at least one of the following: Physical resource block PRB, agreed resource unit RE, agreed subcarrier.
The method according to claim 6, wherein the obtained subframe or scheduling unit corresponding to the actual occupied duration comprises at least one of the following:

If the obtained quotient value is rounded up, and the actual occupation time does not exceed the maximum duration specified by the regulation and/or the agreement, the station determines the length of the claim by adopting rounding up;

If the obtained quotient value is rounded up and the actual occupation time exceeds the maximum duration specified by the regulation and/or the protocol, the station determines the duration of the declaration by taking a rounding down.
The method according to claim 6, wherein the amount of time comprises: the value of the duration of the unlicensed carrier in the signaling describing the duration of occupying the unlicensed carrier by the station, the value is The time unit is the amount of time for the dimension.
The method of claim 6 wherein said fixed length of time comprises a declared duration of said station occupying an unlicensed carrier each time specified by the protocol and/or the regulation.
The method of claim 6, wherein the pre-configured length of time comprises a length of time of a semi-static configuration and/or a length of time of a dynamically configured.
The method of claim 7 wherein said non-licensing obtained by said other site The right to use the weight carrier is valid for the duration of the site occupying the unlicensed carrier;

The valid period of time that the site occupies the unlicensed carrier includes:

Valid in one or more subframes within the duration in which the site occupies the unlicensed carrier; or in one or more scheduling units within the duration of the site occupying the unlicensed carrier.
The method according to claim 7, further comprising: when the station occupies the unlicensed carrier, and the subframe and/or scheduling unit not used by the station is used by the other station, if The station needs to reuse the subframes and/or scheduling units that do not need to perform the CCA and/or eCCA, but use the subframes and/or scheduling units directly.
The method of claim 1 further comprising the station occupying an unlicensed carrier with a predetermined granularity and/or after occupying the unlicensed carrier for a claimed duration of time,

The station notifies other stations by using an occupation time that includes the duration of occupying the unlicensed carrier.
The method of claim 22, wherein the station signals the occupancy duration to the other sites by at least one of:

Sending, by the station, the occupation duration signaling by using a subframe in which the CCA and/or eCCA is successful;

Sending, by the station, the occupation duration signaling by using a scheduling unit that performs the CCA and/or eCCA success;

The station transmits the occupied duration signaling by using a pre-agreed next subframe of a subframe in which the CCA and/or eCCA is successful;

The station sends the occupied duration signaling by using a pre-agreed next scheduling unit that performs the CCA and/or eCCA successful scheduling unit;

Sending, by the station, the occupation duration signaling by using each of the durations of the unlicensed carriers;

The station transmits the occupation duration signaling by using each scheduling unit of the duration of the unlicensed carrier.
The method of claim 23, wherein said station utilizes said unlicensed carrier The sending of the occupation duration signaling in each of the durations includes:

The station transmits the occupied duration signaling by using a public wireless network temporary authentication RNTI assistance by using the agreed resource location in each of the subframes.
The method of claim 1, further comprising the station determining at least one of the following frequency domain resources after performing the CCA and/or eCCA:

The frequency domain of the physical resource block PRB where there is no signal energy;

The frequency domain of the resource unit RE without signal energy;

The frequency domain of the subcarrier where there is no signal energy.
The method of claim 25, the method further comprising:

After determining the frequency domain resource, the site

Determining a site attribute occupying an unlicensed carrier according to a pattern of the frequency domain resource in which no signal energy exists, wherein the site attribute includes at least one of: operator information of the site, whether the site supports frequency reuse, and/or complex use.
The method of claim 1 further comprising:

After performing the CCA and/or eCCA, the station determines at least one of the following frequency domain resources:

a frequency domain of a physical resource block PRB in which signal energy is present;

a frequency domain of a resource unit RE in which signal energy is present;

The frequency domain of the subcarrier in which the signal energy is present.
The method of claim 27, the method further comprising:

After determining the frequency domain resource, the site

Determining a site attribute occupying an unlicensed carrier according to a pattern of the frequency domain resource having a signal energy, wherein the site attribute includes at least one of: operator information of the site, whether the site supports frequency reuse, and/or multiplexing .
An apparatus for unlicensed carrier processing, the apparatus being applied to a site, comprising:

The execution module is configured to perform a clear channel assessment CCA and/or an evolved idle channel assessment eCCA;

The occupancy module is configured to occupy an unlicensed carrier with a predetermined granularity and/or to occupy an unlicensed carrier for a claimed duration.
The apparatus of claim 29, wherein the occupancy module is configured to:

Taking the subframe as a granularity, occupying the unlicensed carrier with a predetermined granularity; and/or,

Using the scheduling unit as the granularity, occupying the unlicensed carrier with a predetermined granularity, where the scheduling unit includes at least one of: a long-term evolution LTE time slot, one or more orthogonal frequency division multiplexing OFDM symbols; and / or,

The unlicensed carrier is occupied by the claimed duration.
A method of unlicensed carrier processing, the method comprising:

The station performs an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

The station occupies an unlicensed carrier with a predetermined granularity;

The station configures signaling according to the duration of occupying the unlicensed carrier, and sends the signaling;

The signaling includes: describing an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in a duration in which the station occupies the unlicensed carrier.
The method of claim 31 wherein said occupying said unlicensed carrier at a predetermined granularity comprises at least one of:

The station occupies the unlicensed carrier in a granularity of a subframe;

The station occupies the unlicensed carrier in a scheduling unit, wherein the scheduling unit includes at least one of the following: a long term evolution LTE time slot, one or more orthogonal frequency division multiplexing OFDM symbols.
The method of claim 31 or 32, wherein the transmitting the signaling by the station comprises:

The station transmits the signaling by using one or more subframes within a duration of the unlicensed carrier; and/or,

The station transmits the signaling in each subframe within the duration of the unlicensed carrier.
The method of claim 33, wherein the transmitting the signaling by the station comprises:

The station sends the signaling after the agreed resource location in the subframe within the duration of the unlicensed carrier is assisted by a public wireless network temporary authentication RNTI.
The method of claim 34, wherein the transmitting the signaling by the station comprises:

The station sends the signaling in a subframe within a duration of the unlicensed carrier using a physical search space of a physical downlink control channel PDCCH or an enhanced physical downlink control channel ePDCCH.
The method according to claim 31 or 32, further comprising: in a subframe within a duration of the unlicensed carrier, when the last subframe is a complete subframe, the signaling describes the last sub-subframe All OFDM symbols of the frame are occupied.
The method according to claim 31 or 32, wherein when the subframes within the duration of the unlicensed carrier include an uplink subframe and a downlink subframe, the subframe occupied by the station includes only downlink subframes, or only The uplink subframe is included, or includes the sum of the uplink subframe and the downlink subframe.
The method according to claim 31 or 32, wherein, in the subframe within the duration of the unlicensed carrier, when the last subframe is a non-complete subframe, the signaling describes that the last subframe is occupied. OFDM symbol.
A method of unlicensed carrier processing, the method comprising:

Receiving and parsing signaling of the duration of the unlicensed carrier sent by the station;

Determining, according to the parsed signaling, an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in the duration;

The signaling includes: describing an OFDM symbol occupied in a last subframe in a duration in which the station occupies the unlicensed carrier.
An apparatus for unlicensed carrier processing, the apparatus being applied to a site, comprising:

The execution module is configured to perform an idle channel assessment CCA and/or an evolved idle channel assessment eCCA;

The carrier occupation module is configured to occupy an unlicensed carrier with a predetermined granularity;

The sending module is configured to: configure signaling according to the duration of occupying the unlicensed carrier, and send the signaling;

The signaling includes: describing a maximum duration of the site occupying the unlicensed carrier Orthogonal Frequency Division Multiplexing OFDM symbols occupied in the latter subframe.
An apparatus for unlicensed carrier processing, comprising:

The receiving module is configured to receive and parse signaling sent by the station that occupies an unlicensed carrier;

The determining module is configured to determine, according to the parsed signaling, an orthogonal frequency division multiplexing OFDM symbol occupied in a last subframe in the duration;

The signaling includes: describing an OFDM symbol occupied in a last subframe in a duration in which the station occupies the unlicensed carrier.