CN108882340A

CN108882340A - A kind of unlicensed band accidental access method and equipment

Info

Publication number: CN108882340A
Application number: CN201710338706.2A
Authority: CN
Inventors: 王三新
Original assignee: Shenzhen Jinli Communication Equipment Co Ltd
Current assignee: Shenzhen Jinli Communication Equipment Co Ltd
Priority date: 2017-05-14
Filing date: 2017-05-14
Publication date: 2018-11-23
Also published as: WO2018209956A1

Abstract

The invention discloses a kind of methods of unlicensed band random access, including：M user equipment is divided into M1 group of user equipments by base station, forms user equipment grouping information；Each group of user equipments corresponding activation period；The base station broadcast one broadcasts the message, activation period corresponding group of user equipments of the broadcast message for activating the base station to be currently located, to indicate that the user equipment in the group of user equipments accesses unlicensed band channel.The embodiment of the invention also provides a kind of base station and user equipmenies.The serious problem of user equipment access unlicensed band channel confliction is advantageously accounted for using the embodiment of the present invention, user equipment is enable normally to access unlicensed band channel.

Description

A kind of unlicensed band accidental access method and equipment

Technical field

The present invention relates to random access field more particularly to a kind of unlicensed band accidental access method and equipment.

Background technique

Intelligent mobile terminal rapid development, number of users sharp increase, high definition stream media business continue to bring out, mobile communication Demand of the system to frequency spectrum resource is also growing day by day, and the scarcity of frequency spectrum resource seriously constrains long term evolution (Long Term Evolution, LTE) network capacity.Largely exempt to authorize frequency spectrum currently, the whole world has opened, in this case, as can Effective use then can solve the insufficient contradiction between data requirements growth of LTE authorization frequency spectrum resource.The LTE of unlicensed band Realize the utilization of unlicensed spectrum, by carrier aggregation technology largely to exempt to authorize frequency spectrum to supplement limited LTE authorization frequency spectrum The flow pressure for increasing usable spectrum, effectively expanding wireless capacity, alleviating mobile network, improves LTE network capacity, is transported Battalion quotient and equipment vendor more and more pay attention to.

Random access is to start the mistake with access network before network communication at user equipment (User Equipment, UE) Journey.In LTE there are two types of random access procedures：Random access competition-based and based on non-competing random access procedure.Two The difference of person, which is essentially consisted in, specifies lead code in the preceding base station of random access based on non-competing random access procedure, and based on competition The preceding base station of random access procedure random access be not that UE distributes dedicated lead code.No matter the random access of which kind of mode, all It needs to undergo following process：Base station broadcast Physical Random Access Channel (Physical Random Access Channel, PRACH it) configures；UE sends lead code by PRACH configuration on prach；Base station is that user distributes ascending resource；UE is being distributed Ascending resource carry out data transmission.But there is user equipment access unlicensed band channel confliction and seriously ask in both modes Topic, causes user equipment that can not normally access unlicensed band channel.

Summary of the invention

The embodiment of the present invention provides a kind of unlicensed band accidental access method and equipment, advantageously accounts for user equipment and connects Enter the serious problem of unlicensed band channel confliction, user equipment is enable normally to access unlicensed band channel.

In a first aspect, the embodiment of the present invention provides a kind of unlicensed band accidental access method, including：

M user equipment is divided into M1 group of user equipments by base station, forms user equipment grouping information；Each user equipment A group corresponding activation period；

The base station broadcast one broadcasts the message, activation period of the broadcast message for activating the base station to be currently located Corresponding group of user equipments, to indicate that the user equipment in the group of user equipments accesses unlicensed band channel.

In a kind of feasible embodiment, the broadcast message of base station broadcast one includes：

When unlicensed band channel is accessed within each activation period in the base station for the first time, broadcasts the broadcast and disappear Breath, to indicate that the user equipment in the group of user equipments being activated in the M user equipment accesses unlicensed band channel.

In a kind of feasible embodiment, the broadcast message includes at least one of following message：The user sets Back-up group information, the group of user equipments being activated activation start time, be activated group of user equipments activation the period when The Physical Random Access Channel for the unlicensed band channel that the lead code set of long, the described group of user equipments, the base station are accessed PRACH configuration.

In a kind of feasible embodiment, the broadcast message includes that the first broadcast message and second broadcast the message,

First broadcast message includes at least one of following message：The user equipment grouping information is activated Group of user equipments activation start time, be activated group of user equipments activation the period duration；

Second broadcast message includes at least one of following message：The lead code configuration of the group of user equipments, The Physical Random Access Channel PRACH configuration of the unlicensed band channel of the base station access.

In a kind of feasible embodiment, the broadcast message further includes third broadcast message, the method also includes：

When unlicensed band channel is accessed within each activation period in the base station every time, broadcast discovery reference signal And third broadcast message, the discovery reference signal is for notifying base station described in the user equipment has been accessed to exempt from authorization frequency Duan Xindao, the third broadcast message is for notifying base station described in the user equipment this time to access shared by unlicensed band channel Duration T_L。

In a kind of feasible embodiment, the base station sent in different frequency resources it is described first broadcast message, Second broadcast message and third broadcast message；Or

The base station successively sends first broadcast message in different or identical frequency resource, the second broadcast disappears Breath and third broadcast message.

In a kind of feasible embodiment, M user equipment is divided into M1 group of user equipments by the base station, including：

The base station according to variable length subnet mask VLSM by the M user equipment according to IP address be divided into it is N number of not Same subnet, the corresponding group of user equipments of each subnet；Wherein, each user equipment in group of user equipments has unique mark Know；Or

The M user equipment is divided into M1 according to the international mobile subscriber identity IMSI of user equipment by the base station Group of user equipments.

In a kind of feasible embodiment, the blocking message of the user equipment includes at least one in following information： In the IP address of each user equipment in the VLSM of the group of user equipments, the group of user equipments, the group of user equipments Effective back-off parameter of user equipment in the IMSI of user equipment, the group of user equipments.

In a kind of feasible embodiment, after the base station broadcast one broadcasts the message, the method also includes：

The base station receives the first channel access that N1 user equipment in this group of user equipment being activated is sent and asks It asks, the channel access request allows the N1 user equipment to access unlicensed band channel for requesting；

The base station determines the number N2 for the lead code for including in the channel access request, the lead code and the use Family equipment corresponds；

When the number N2 for determining the lead code is greater than or equal to the capacity N of the base station, the base station is from the N2 N number of user equipment is randomly selected in the corresponding user equipment of a lead code；

The base station sends the first response message to N3 user equipment, and the N3 is equal to the N；

When the base station determines that the number N2 of the lead code is less than the capacity N of the base station, the base station is to described N3 user equipment sends the first response message, and the N3 is equal to the N2；

First response message, which is used to indicate, allows the N3 user equipment to access unlicensed band channel.

In a kind of feasible embodiment, the base station to the N3 user equipment send the first response message it Afterwards, the method includes：

The second channel access request that the N3 user equipment is sent is received, second request message connects for requesting Enter unlicensed band channel, the second channel access request includes customer equipment identification；

When the base station according to the customer equipment identification on a time slot of the PRACH indicated channel configured When detecting at least two customer equipment identifications, then the base station is set to the corresponding user of at least two customer equipment identification Preparation send the second response message, and second response message is for informing the corresponding user of at least two customer equipment identification Equipment accesses the unlicensed band channel failure；

When the base station according to the customer equipment identification on a time slot of the PRACH indicated channel configured When only detecting a customer equipment identification, then the base station is sent to the corresponding user equipment of one customer equipment identification Second response message, second response message is for informing that the corresponding user equipment access of one customer equipment identification is exempted from The success of authorized spectrum band channel.

Second aspect, a kind of method of unlicensed band random access provided in an embodiment of the present invention, including：

User equipment receives the broadcast message that base station is sent；

The user equipment accesses unlicensed band channel according to the broadcast message.

In a kind of feasible embodiment, the broadcast message includes that third broadcasts the message, the method also includes：

The user equipment receives the discovery reference signal and third broadcast message of the base station broadcast；

The discovery reference signal is for notifying base station described in the user equipment to access unlicensed band channel, institute Third broadcast message is stated for notifying base station described in the user equipment this time to access duration T shared by unlicensed band channel_L。

In a kind of feasible embodiment, the broadcast message includes that the first broadcast message and second broadcast the message, described First broadcast message includes user equipment grouping information, the activation start time for the group of user equipments being activated, the use that is activated The duration of the activation period of family equipment group,

The user equipment accesses unlicensed band channel according to the broadcast message：

After the user equipment receives first broadcast message, whether it is confirmed according to the user equipment grouping information It is activated；

When the user equipment determines that it is activated and its data needs to transmit, the user equipment is opened from the activation Begin the moment, in the duration of the activation period, listens to and receive second broadcast message.

In a kind of feasible embodiment, the user equipment accesses unlicensed band channel packet according to the broadcast message It includes：

The user equipment determines that it is activated and it does not have data to need to transmit according to the user equipment grouping information When, or when determining that it is not activated according to the user grouping information, start sleep function.

In a kind of feasible embodiment, the broadcast message includes that third broadcasts the message, the third broadcast message packet Include the duration T of this time base station access unlicensed band channel_L, the user equipment receives third broadcast message Afterwards, the user equipment accesses unlicensed band channel according to the broadcast message and specifically includes：

The user equipment is in the time domain by the duration T_LCorresponding unlicensed band channel is spliced into equivalent continuous letter Road.

In a kind of feasible embodiment, it is described second broadcast message include the base station access exempt from award band channels Physical Random Access Channel PRACH configuration, the user equipment access unlicensed band channel according to the broadcast message and include：

The user equipment is configured according to the PRACH, and first from the subchannel of the equivalent continuous channel is available The continuous T random access time slot that starts of random access time slot RAS in, arbitrarily choose a time slot as sending time slots；

The user equipment sends the request of the first channel access, the first channel access request by the sending time slots For requesting that the user equipment is allowed to access unlicensed band channel.

In a kind of feasible embodiment, second broadcast message includes the lead code set of group of user equipments, described User equipment sends the request of the first channel access by the sending time slots：

The user equipment is randomly chosen a lead code from the lead code set of the group of user equipments；

The user equipment sends first letter for carrying the lead code selected by the sending time slots Road access request.

In a kind of feasible embodiment, the user equipment sends the request of the first channel access by the sending time slots Later, the user equipment includes according to broadcast message access unlicensed band channel：

The user equipment starts timer；

When the base station does not access unlicensed band channel, the timer stops timing；When the base station connects again When entering unlicensed band channel, the user equipment starting timer continues timing；

When the user equipment receives the first response message that the base station is sent in the counting duration of the timer When, the user equipment sends second channel access to the base station by the indicated ascending resource of PRACH configuration and asks It asks, first response message, which is used to indicate, allows the user equipment to access unlicensed band channel, and the second channel connects Enter the customer equipment identification that request carries the user equipment.

When not receiving the first response message in the duration in the timer count, the user equipment is preset The first channel access request is retransmitted to the base station after Backoff time.

In a kind of feasible embodiment, the user equipment by the indicated ascending resource of PRACH configuration to After the base station sends second channel access request, the user equipment, which accesses unlicensed band according to the broadcast message, to be believed Road includes：

The user equipment receives the second response message that the base station is sent, and second response message is for informing institute State whether user equipment is successfully accessed the unlicensed band channel；

When not receiving the second response message that the base station is sent in preset duration, the user equipment is to described Base station retransmits the second channel access request.

The third aspect, the embodiment of the invention provides a kind of base stations, including：

Grouping module forms user equipment grouping information for M user equipment to be divided into M1 group of user equipments；Often A group of user equipments corresponding activation period；

First broadcast module, for broadcasting a broadcast message, the broadcast message is for activating the base station to be currently located Activation period corresponding group of user equipments, with indicate the user equipment in the group of user equipments access unlicensed band letter Road.

In a kind of feasible embodiment, first broadcast module is specifically used for：

In a kind of feasible embodiment, the broadcast message further includes third broadcast message, and the base station further includes：

Second broadcast module, when for accessing unlicensed band channel every time within each activation period, broadcast hair It broadcasts the message referring now to signal and third, the discovery reference signal is for notifying base station described in the user equipment to connect Enter unlicensed band channel, the third broadcast message is for notifying base station described in the user equipment is this time accessed to exempt from authorization frequency Duration T shared by Duan Xindao_L。

In a kind of feasible embodiment, the base station sends first broadcast simultaneously in different frequency resources and disappears Breath, the second broadcast message and third broadcast message；Or

In a kind of feasible embodiment, the grouping module is specifically used for：

The M user equipment is divided into N number of different subnet according to IP address according to variable length subnet mask VLSM, The corresponding group of user equipments of each subnet；Wherein, each user equipment in group of user equipments has unique identification；Or

The M user equipment is divided into M1 user equipment according to the international mobile subscriber identity IMSI of user equipment Group.

In a kind of feasible embodiment, after one broadcast message of the first broadcast module broadcast, the base station is also wrapped It includes：

First receiving module, for receiving the first letter of the transmission of N1 user equipment in this group of user equipment being activated Road access request, the channel access request allow the N1 user equipment to access unlicensed band channel for requesting；

Determining module, for determining the number N2 for the lead code for including in channel access request, the lead code with The user equipment corresponds；

Choose module, for when determine the lead code number N2 be greater than or equal to the base station capacity N when, from institute It states in the corresponding user equipment of N2 lead code and randomly selects N number of user equipment；

First sending module, for sending the first response message to N3 user equipment, the N3 is equal to the N；

First sending module is also used to determine that the number N2 of the lead code is less than the base station when the base station When capacity N, the first response message is sent to the N3 user equipment, the N3 is equal to the N2；First response message Being used to indicate allows the N3 user equipment to access unlicensed band channel.

In a kind of feasible embodiment, the first response is sent to the N3 user equipment in first sending module After message, the base station includes：

Second receiving module, the second channel access request sent for receiving the N3 user equipment, described second For request message for requesting access unlicensed band channel, the second channel access request includes customer equipment identification；

Second sending module, the meaning for being configured according to the customer equipment identification in the PRACH when the base station Show when detecting at least two customer equipment identifications on a time slot of channel, it is corresponding at least two customer equipment identification User equipment send the second response message, second response message is for informing at least two customer equipment identification pair The user equipment answered accesses the unlicensed band channel failure；

What second sending module was also used to be configured according to the customer equipment identification in the PRACH when the base station It is corresponding to one customer equipment identification when only detecting a customer equipment identification on one time slot of indicated channel User equipment sends the second response message, and second response message is for informing the corresponding use of one customer equipment identification Family equipment accesses the success of unlicensed band channel.

Fourth aspect, the embodiment of the invention provides a kind of user equipmenies, including：

First receiving module, for receiving the broadcast message of base station transmission；

AM access module, for accessing unlicensed band channel according to the broadcast message.

In a kind of feasible embodiment, the broadcast message includes that third broadcasts the message, and the user equipment further includes：

Second receiving module, for receiving the discovery reference signal and third broadcast message of the base station broadcast；

In a kind of feasible embodiment, the broadcast message includes that the first broadcast message and second broadcast the message, described First broadcast message includes user equipment grouping information, the activation start time for the group of user equipments being activated, the use that is activated The duration of the activation period of family equipment group, the AM access module include：

Determination unit, after receiving first broadcast message for first receiving module, according to the user equipment Grouping information confirms whether it is activated；

First receiving unit, for when the user equipment determines that it is activated and its data needs to transmit, from described Start time is activated, in the duration of the activation period, listens to and receives second broadcast message.

In a kind of feasible embodiment, the AM access module includes：

First start unit, for determining that it is activated and it does not have data needs according to the user equipment grouping information When transmission, or when determining that it is not activated according to the user grouping information, start sleep function.

In a kind of feasible embodiment, the broadcast message includes that third broadcasts the message, the third broadcast message packet Include the duration T of this time base station access unlicensed band channel_L, the user equipment receives third broadcast message Afterwards, the AM access module includes：

Concatenation unit, in the time domain by the duration T_LCorresponding unlicensed band channel is spliced into equivalent continuous letter Road.

In a kind of feasible embodiment, it is described second broadcast message include the base station access exempt from award band channels Physical Random Access Channel PRACH configuration, the AM access module include：

Selection unit, for being configured according to the PRACH, first from the subchannel of the equivalent continuous channel is available The continuous T random access time slot that starts of random access time slot RAS in, arbitrarily choose a time slot as sending time slots；

First transmission unit, for sending the request of the first channel access by the sending time slots, first channel is connect Enter request allows the user equipment to access unlicensed band channel for requesting.

In a kind of feasible embodiment, second broadcast message includes the lead code set of group of user equipments, described First transmission unit is specifically used for：

A lead code is randomly chosen from the lead code set of the group of user equipments；

First channel access request for carrying the lead code selected is sent by the sending time slots.

In a kind of feasible embodiment, first transmission unit sends the first channel access by the sending time slots After request, the AM access module includes：

Second timer unit, for starting timer；When the base station does not access unlicensed band channel, stop meter When；When unlicensed band channel is accessed in the base station again, starting timer continues timing；

Second transmission unit, for receiving the base station hair in the counting duration of the timer when the user equipment When the first response message sent, second channel is sent to the base station by the indicated ascending resource of PRACH configuration and is connect Enter request, first response message, which is used to indicate, allows the user equipment to access unlicensed band channel, second letter Road access request carries the customer equipment identification of the user equipment.

Third transmission unit, for when not receiving the first response message in the duration in the timer count, The first channel access request is retransmitted to the base station after preset Backoff time.

In a kind of feasible embodiment, second transmission unit is provided by the indicated uplink of PRACH configuration After source sends second channel access request to the base station, the AM access module includes：

Second receiving unit, the second response message sent for receiving the base station, second response message are used for Inform whether the user equipment is successfully accessed the unlicensed band channel；

4th transmission unit, for when not receiving the second response message that the base station is sent in preset duration, The second channel access request is retransmitted to the base station.

5th aspect, the embodiment of the invention also provides a kind of storage medium, is stored with instruction sequence in the storage medium, The method that any one provided in an embodiment of the present invention is realized in control in the case that the instruction sequence is performed.

6th aspect the embodiment of the invention also provides a kind of base station, including memory, processor and is stored in described In memory and the computer program that can run on the processor, the processor are realized when executing the computer program Any one the method executed such as base station.

7th aspect the embodiment of the invention also provides a kind of user equipment, including memory, processor and is stored in In the memory and the computer program that can run on the processor, when the processor executes the computer program Realize any one the method executed such as terminal.

As can be seen that M user equipment is divided into M1 group of user equipments by base station in the scheme of the embodiment of the present invention, Form user equipment grouping information；Each group of user equipments corresponding activation period；Base station broadcast one broadcasts the message, described wide Activation period corresponding group of user equipments of the message for activating the base station to be currently located is broadcast, to indicate the group of user equipments Interior user equipment accesses unlicensed band channel.User equipment receives the broadcast message, and is connect according to the broadcast message Enter unlicensed band channel.User equipment access unlicensed band channel punching is advantageously accounted for using the scheme of the embodiment of the present invention It dashes forward serious problem, user equipment is enable normally to access unlicensed band channel.

The aspects of the invention or other aspects can more straightforwards in the following description.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of application scenarios schematic diagram of unlicensed band accidental access method provided in an embodiment of the present invention；

Fig. 2 is a kind of flow diagram of unlicensed band accidental access method provided in an embodiment of the present invention；

Fig. 3 is the flow diagram of another unlicensed band accidental access method provided in an embodiment of the present invention；

Fig. 4 is the schematic diagram of equivalent continuous channel；

Fig. 5 is the flow diagram of another unlicensed band accidental access method provided in an embodiment of the present invention；

Fig. 6 is a kind of architecture of base station schematic diagram provided in an embodiment of the present invention；

Fig. 7 is a kind of user device architecture schematic diagram provided in an embodiment of the present invention；

Fig. 8 is a kind of user equipment partial structural diagram provided in an embodiment of the present invention；

Fig. 9 is another architecture of base station schematic diagram provided in an embodiment of the present invention；

Figure 10 is another user device architecture schematic diagram provided in an embodiment of the present invention.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

It is described in detail separately below.

Description and claims of this specification and term " first ", " second ", " third " and " in the attached drawing Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.

Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and Implicitly understand, embodiment described herein can be combined with other embodiments.

Referring to Fig. 1, Fig. 1 is that a kind of application scenarios of unlicensed band accidental access method provided in an embodiment of the present invention show It is intended to.As shown in Figure 1, the application scenarios include：User equipment 101 and base station 102.Between the user equipment 101 and base station 102 Carried out data transmission using communication.

Above-mentioned user equipment 101, also referred to as terminal device (Terminal Equipment), are that one kind provides a user The equipment of voice and/or data connectivity, for example, handheld device, mobile unit etc. with wireless connecting function.Common Terminal for example including：Mobile phone, tablet computer, laptop, palm PC, mobile internet device (mobile internet Device, MID), wearable device, such as smartwatch, Intelligent bracelet, pedometer etc..

Above-mentioned base station 102 can be macro base station, micro-base station, femto base station, distributed base station or other kinds of base station.

Fig. 2 is referred to, Fig. 2 is a kind of method flow signal of unlicensed band random access provided in an embodiment of the present invention Figure.As shown in Fig. 2, this method includes：

M user equipment is divided into M1 group of user equipments by S201, base station, forms user equipment group information, each user Equipment group corresponds to an activation moments.

M user equipment is divided into M1 group of user equipments by the base station, including：

The M user equipment is divided into M1 not according to IP address according to variable length subnet mask VLSM by the base station Same subnet, the corresponding group of user equipments of each subnet；Wherein, each user equipment in group of user equipments has unique mark Know；Or

Specifically, above-mentioned M user equipment is in the long term evolution for being switched on and being attached to single machine unlicensed band After (Standalone Long Term Evolution Unlicensed, SA LTE-U) network, core net is above-mentioned M use Each user equipment in the equipment of family distributes unique network protocol (Internet Protocol, IP) address.

Above-mentioned base station is by variable length subnet mask (Variable Length Subnet Mask, VLSM) by above-mentioned M User equipment is divided into different subnets, the corresponding group of user equipments of each subnet according to its IP address.Above-mentioned base station is each Group of user equipments is arranged a group of user equipments and identifies, and a user is arranged for the user equipment in each group of user equipments Device identification, the customer equipment identification are unique in the group of user equipments.

It illustrates, it is assumed that above-mentioned M is 10, then it is user equipment 1,2,3,4 ... that upper 10 user equipmenies are numbered respectively 10 corresponding relationships between user equipment and IP address are as shown in table 1.As shown in Table 1, the IP of user equipment 1,2,3,4,5 The corresponding subnet mask in address is 255.255.255.0, and the corresponding subnet mask of IP address of user equipment 6,7,8,9,10 is 255.255.255.240, thus above-mentioned base station by 1,2,3,4,5 point of user equipment be a group, be group of user equipments A, will use 6,7,8,9,10 points of family equipment are a group, are group of user equipments B, and above-mentioned M1 is that 2 i.e. above-mentioned base stations set above-mentioned 10 users Back-up is 2 group of user equipments.

Further, it after above-mentioned M user equipment is divided into M1 group of user equipments by above-mentioned base station, is set for the M1 user Each group of user equipments distributes an activation period in standby group.It is appreciated that the base station can be each use according to system-frame Family equipment group is distributed an activation period, and the M1 group of user equipments corresponding activation period is mutually continuous but is not overlapped.It can manage Solution, the activation period of each group of user equipments are periodically.

Table 1

User equipment number	IP address
		User equipment 1	192.168.0.1
User equipment 2	192.168.0.2
		User equipment 3	192.168.0.3
User equipment 4	192.168.0.4
		User equipment 5	192.168.0.5
User equipment 6	192.168.0.241
		User equipment 7	192.168.0.242
User equipment 8	192.168.0.243
		User equipment 9	192.168.0.244
User equipment 10	192.168.0.245

Each user equipment in group of user equipments A and group of user equipments B has unique user equipment mark in a group Know.For example, customer equipment identification is as shown in table 2 in above-mentioned group of user equipments A, customer equipment identification in group of user equipments B As shown in table 3.

Table 2

User equipment number	IP address	Customer equipment identification
			User equipment 1	192.168.0.1	1100
User equipment 2	192.168.0.2	1010
			User equipment 3	192.168.0.3	1001
User equipment 4	192.168.0.4	0110
			User equipment 5	192.168.0.5	0101

Table 3

User equipment number	IP address	Customer equipment identification
			User equipment 6	192.168.0.241	1001
User equipment 7	192.168.0.242	0101
			User equipment 8	192.168.0.243	1100
User equipment 9	192.168.0.244	0110
			User equipment 10	192.168.0.245	1010

It should be noted that above-mentioned base station, which is grouped above-mentioned M user equipment, can use other modes.Such as International mobile subscriber identity (the International Mobile Subscriber Identification of user equipment Number, IMSI).

S202, the base station broadcast one broadcast the message, and the broadcast message is sharp for activating the base station to be currently located Work period corresponding group of user equipments, to indicate that the user equipment in the group of user equipments accesses unlicensed band channel.

Specifically, when unlicensed band channel is accessed within each activation period in the base station for the first time, described in broadcast Broadcast message, to indicate that the user equipment in the group of user equipments being activated in the M user equipment accesses unlicensed band Channel.

Wherein, the broadcast message includes at least one of following message：The user equipment grouping information is activated Group of user equipments activation start time, be activated group of user equipments activation the period duration, the group of user equipments Lead code set, the base station access unlicensed band channel PRACH configuration.

Wherein, the broadcast message includes that the first broadcast message and second broadcast the message,

Wherein the broadcast message further includes third broadcast message, the method also includes：

Wherein, the base station sends first broadcast message, the second broadcast message and the in different frequency resources Three broadcast messages；Or

Specifically, above-mentioned base station can send above-mentioned first broadcast message and second extensively simultaneously in different frequency resources Message is broadcast, it is true according to the above-mentioned user grouping information in the first broadcast message after above-mentioned user equipment parsing first broadcasts the message Recognize that it is not activated or it is activated and it does not have data to need to transmit, then the user equipment does not parse above-mentioned second broadcast and disappears Breath reduces user equipment power consumption.

Wherein, the blocking message of the user equipment includes at least one in following information：The group of user equipments The IMSI of user equipment, institute in the IP address of each user equipment in VLSM, the group of user equipments, the group of user equipments State effective back-off parameter of user equipment in group of user equipments.

Wherein, after the base station broadcast one broadcasts the message, the method also includes：

It illustrates, it is assumed that above-mentioned N1 is 10, and the capacity N of above-mentioned base station is 6.When above-mentioned 10 user equipmenies are to above-mentioned base It stands after sending the request of the first channel access, includes lead code (Preamble) in first channel access request.Lead code and use Family equipment corresponds.When above-mentioned base station determines that the number N2 of the lead code received is 8, since the number 8 of lead code is big In above-mentioned base station capacity 6 be need to access unlicensed band channel user equipment number be more than base station capacity, then on Base station is stated from corresponding 8 user equipmenies of this 8 lead codes, randomly selects 6 user equipmenies, and to this 6 user equipmenies Send the first response message.Above-mentioned N3 is equal to 6 at this time.When above-mentioned base station determines that the number N2 of the lead code received is 5, by In lead code number 5 be less than above-mentioned base station capacity 6 be need to access unlicensed band channel user equipment number not More than the capacity of base station, then above-mentioned base station sends the first response message from the corresponding user equipment of this 5 lead codes.It is above-mentioned at this time N3 is equal to 5.

Wherein, after the base station sends the first response message to the N3 user equipment, the method includes：

It should be noted that above-mentioned PRACH configuration includes channel logo, which is used to indicate corresponding channel.

It illustrates, it is assumed that user equipment A and user equipment B is that any two user in above-mentioned N2 user equipment sets It is standby.Above-mentioned PRACH configuration includes channel logo, which is used to indicate corresponding channel.When above-mentioned base station is according to second The customer equipment identification that channel access request includes detects user on a time slot of the corresponding channel of above-mentioned channel logo When the customer equipment identification of the customer equipment identification of equipment A and user equipment B, there are two users' competitions and use one in base station confirmation A time interval resource, then above-mentioned base station sends above-mentioned second response message to above-mentioned user equipment A and the user equipment B respectively, Above-mentioned second response message is for informing user equipment A and user equipment B access unlicensed band channel failure.

Illustrate again, it is assumed that user equipment A be above-mentioned N3 user equipment in any one, when the base station according to The customer equipment identification only detects that the user of user equipment A sets on a time slot of the corresponding channel of the channel logo When standby mark, base station confirms that only one user equipment competes the resource of a time slot, then the base station is to the user equipment A The second response message is sent, second response message is for informing the user equipment A access unlicensed band channel success.

As can be seen that base station is first grouped user equipment, and sets by user in the scheme of the embodiment of the present invention The channel access request of user equipment is assigned in multiple subchannels of unlicensed band channel by standby group, reduces user equipment Channel confliction is accessed, the problem of can not accessing channel because of channel confliction has been advantageously accounted for.

Fig. 3 is referred to, Fig. 3 is the square process signal of another unlicensed band random access provided in an embodiment of the present invention Figure.As shown in figure 3, this method includes：

S301, user equipment receive the broadcast message that base station is sent.

Wherein, the broadcast message includes that third broadcasts the message, the method also includes：

Specifically, after unlicensed band channel is accessed in above-mentioned base station, above-mentioned base station broadcast finds reference signal (Discovery Reference Signal, DRS), to notify the above-mentioned user equipment base station to access unlicensed band letter Road.In above-mentioned base station broadcast DRS, broadcast third broadcast message, third broadcast message carries this time base station access and exempts to award Weigh the duration T of band channels_L, third broadcast message is for notifying the above-mentioned user equipment base station this time to access unlicensed band Duration T shared by channel_L

Wherein, the broadcast message includes that third broadcasts the message, and the third broadcast message includes that this described base station connects Enter the duration T of unlicensed band channel_L, after the user equipment receives the third broadcast message, the user equipment root It is specifically included according to broadcast message access unlicensed band channel：

Specifically, above-mentioned equivalent continuous channel can be found in Fig. 4, and Fig. 4 is equivalent continuous channel schematic diagram.As shown in figure 4, can To understand, above-mentioned equivalent continuous channel is a part of unlicensed band channel.Above-mentioned user equipment receives above-mentioned base station hair The third broadcast message sent, according to the duration T of this time base station access unlicensed band channel in the broadcast message_L, in time domain On by T_LCorresponding unlicensed band channel is spliced into equivalent continuous channel.As shown in figure 5, the equivalent continuous channel includes channel 0, channel 1, channel 2 ....Every sub-channels in the equal lower continuous channel are that unlicensed band channel is accessed in above-mentioned base station Duration, duration are T_L。

Further, above-mentioned unlicensed band channel can be understood as in the time domain, and above-mentioned user equipment is by non-above-mentioned base The duration (Wireless Fidelity (Wireless Fidelity, Wi-Fi) as shown in Figure 4) occupied of standing weeds out, by above-mentioned base station The channel duration of occupancy is stitched together, and is continuous in the time domain, and every section of duration respective channels are numbered, as letter Road mark.Subchannel in above-mentioned channel logo and above-mentioned equivalent continuous channel corresponds.

S302, the user equipment access unlicensed band channel according to the broadcast message.Wherein, the broadcast message Including the first broadcast message and the second broadcast message, first broadcast message includes user equipment grouping information, is activated The activation start time of group of user equipments, the group of user equipments being activated activation the period duration,

Wherein, the user equipment includes according to broadcast message access unlicensed band channel：

Specifically, user equipment according to its IP address or its IMSI determine it belonging to group of user equipments whether swashed It is living；When user equipment according to its IP address or its IMSI determine it belonging to group of user equipments be activated, and the user sets When having data and needing to transmit, the user equipment is from the activation start time for the group of user equipments being activated, in the use being activated In the duration of the activation period of family equipment group, the second broadcast message is listened to, after listening to second broadcast message, which is set It is standby to receive second broadcast message.

When user equipment according to IP address or its IMSI determine it belonging to group of user equipments be not activated or determine Its described group of user equipments is activated but the user data does not have data to need to transmit, then user equipment starting starting sleep function Can, sleep state is made it into, the power consumption of user equipment is reduced.

Optionally, above-mentioned user equipment simultaneously receive base station broadcast first broadcast message and second broadcast message, when with Family equipment parsing first broadcast message after, according to first broadcast message in user equipment grouping information determine its be not activated or Person it is activated and it does not have data to need to transmit, then user equipment does not parse the second broadcast message, can further decrease user The power consumption of equipment.

Further, above-mentioned user equipment according to its IP address or its IMSI determine it belonging to group of user equipments whether The specifically user equipment that is activated determines if to belong to the group of user equipments that is activated according to its IP address or its IMSI.

Wherein, it is described second broadcast message include the base station access exempt from award the Physical Random Access Channel of band channels PRACH configuration, the user equipment access unlicensed band channel according to the broadcast message and include：

Specifically, above-mentioned PRACH configuration includes a channel logo, user equipment equivalent company indicated by the channel logo It is any to select in the continuous T random access time slot that first available random access time slot RAS of the subchannel of continuous channel starts It takes a time slot as sending time slots, and sends the request of the first channel access by the sending time slots.

Wherein, second broadcast message includes the lead code set of group of user equipments, and the user equipment passes through described Sending time slots send the request of the first channel access：

It should be noted that above-mentioned lead code and user equipment correspond, the lead code set of above-mentioned group of user equipments In lead code it is different between two.

Wherein, after the user equipment sends the request of the first channel access by the sending time slots, the user is set It is standby to include according to broadcast message access unlicensed band channel：

The user equipment starts timer；

It illustrates, it is assumed that random access response (Random Access Response, RAR) time window of user equipment It is 20ms, base station is accessed when system time 10ms exempts from authorization channel and activate user equipment, then user equipment timing Device starts timing, if base station for the first time access channel when a length of 5ms and exit and exempt from authorization channel, user equipment is being counted When 5ms and exit unlicensed band channel, then the timer of user equipment then stops timing after timing 5ms, until next Secondary when detecting that unlicensed band channel is accessed in base station, user equipment accesses again unlicensed band channel and be further continued for counting again When.By base station is not accessed unlicensed band channel time stop timing, thus avoid user equipment RAR time window not Receive the re-transmission for retransmitting the i.e. lead code of user equipment that the first response message causes the first channel access to be requested.

Above-mentioned RAR time window with the length of the unavailable time slot of channel and adaptively changing.

It should be noted that above-mentioned preset Backoff time is indicated by effective back-off parameter described in step S202 Time.Above-mentioned effective back-off parameter is random access time slot (the Random Access of the channel of current user equipment access Slot) RAS number.

Wherein, the user equipment sends second to the base station by the indicated ascending resource of PRACH configuration After channel access request, the user equipment accesses unlicensed band channel according to the broadcast message and includes：

Specifically, above-mentioned user equipment is after sending second channel access request to above-mentioned base station, in spite of successfully connecing Enter above-mentioned unlicensed band channel, base station can send the second response message to user equipment, for whether informing user equipment It is successfully accessed above-mentioned unlicensed band channel；When the second response that user equipment does not receive base station transmission in preset duration disappears Breath, then user equipment can determine that base station does not receive the second channel access request of its transmission, and user equipment is again to base station Send second channel access request.

As can be seen that user equipment determines that it is according to user equipment grouping information in the scheme of the embodiment of the present invention It is no to be activated, it is activated and it has data to need to transmit when user equipment determines, then the user equipment just sends first to base station Channel access request.By the way that user equipment to be grouped, access request then is sent to base station according to group of user equipments, reduces use Family equipment accesses channel confliction；And the access request of user equipment is distributed on multiple time slots of a sub-channels, into one Step reduces user equipment access channel confliction, has advantageously accounted for the problem of can not accessing channel because of channel confliction.

Fig. 4 is referred to, Fig. 4 is the interactive mode of another unlicensed band accidental access method provided in an embodiment of the present invention Flow diagram.As shown in figure 4, this method includes：

S501, base station broadcast first broadcast the message.

Wherein, before above-mentioned base station broadcasts the message to broadcast first, M user equipment is divided into different by above-mentioned base station Group of user equipments forms user equipment grouping information.

It should be noted that above-mentioned base station is grouped the phase that can be found in above-mentioned steps S201 to above-mentioned M user equipment Description is closed, details are not described herein.

Wherein, existed in the above-mentioned base station of unlicensed band by the mode of listem-before-talk (Listen Before Talk, LBT) Access unlicensed band channel, base station using ON/OFF state indicate base station access/do not access unlicensed band channel.Base station is every Secondary duration on state is T_L, the duration in OFF state is stochastic variable every time, which depends on In channel access parameter.

Above-mentioned base station is after accessing unlicensed band channel, to above-mentioned M user equipment broadcast DRS to inform this M use Unlicensed band channel has been accessed in equipment above-mentioned base station in family, and broadcast third broadcast message with inform the above-mentioned base station of user equipment this The duration T of secondary access unlicensed band_L, which includes that above-mentioned unlicensed band channel is this time accessed in above-mentioned base station Duration i.e. base station duration T on state_L。

Above-mentioned M user equipment receives base station and sends to obtain the duration T that unlicensed band is this time accessed in above-mentioned base station_L, By duration T_LCorresponding channel is spliced into equivalent continuous channel.

It should be noted that the associated description of above-mentioned equivalent continuous channel can be found in the associated description of above-mentioned steps S301, Details are not described herein.

Wherein, it is when base station access unlicensed band channel is laggard that above-mentioned base station, which sends the first broadcast message to user equipment, Capable.Above-mentioned first broadcast message is including further including user equipment grouping information, the activation start time of group of user equipments and use The duration of the activation period of family equipment group.

N1 user equipment in S502, the M user equipment receives second broadcast message, and to the base It stands and sends the request of the first channel access.

Specifically, above-mentioned M user equipment is according to the IP address of user equipment or IMSI, the broadcast message of user equipment In user equipment grouping information confirmation user equipment whether be activated.The group of user equipments information includes group of user equipments and swashs Corresponding relationship between period living.Each user equipment in above-mentioned M user equipment is according to its IP address or user equipment IMSI determine if to belong to the group of user equipments that current time is activated.If user equipment is according to its IP address or user The IMSI of equipment determines that it belongs to the group of user equipments that current time is activated, then user equipment determines that it is activated.

Wherein, it is currently active in the above-mentioned M user equipment of above-mentioned N1 user equipment and there are data needs to transmit User equipment.

User equipment, which determines, it not to be activated or confirms it is activated but it does not have data to need to send, then the user sets Standby starting sleep function, makes the user equipment enter sleep state, reduces power consumption.

Above-mentioned N1 user equipment is from the activation start time of above-mentioned group of user equipments, in the activation period of group of user equipments Duration in listen to above-mentioned base station second and broadcast the message, when listening to second broadcast message, then above-mentioned N1 user equipment connects The second broadcast message is received, channel logo in the PRACH configuration for including according to the second broadcast message, by indicated by the channel logo Equivalent continuous channel subchannel to above-mentioned base station send the first channel access request, first channel access request for asking Asking allows the user equipment to access the corresponding channel of above-mentioned channel logo.

Specifically, in the subchannel of above-mentioned N1 user equipment unlicensed band channel indicated by the above-mentioned channel logo It is random in the continuous T random access time slot that one available random access time slot (Random Access Slot, RAS) starts N1 time slot is selected, as sending time slots；Above-mentioned N1 user equipment sends the first channel access to base station by sending time slots Request.

Wherein, the request of above-mentioned first channel access includes the lead code of user equipment, sends the to base station in user equipment Before the request of one channel access, the user equipment is random from the lead code set of the user equipment in above-mentioned second broadcast message Select a lead code, the lead code as user equipment.

In a feasible embodiment, user equipment can receive the first broadcast message and second of base station transmission extensively simultaneously Broadcast message；The first broadcast message of user parsing, when user equipment is according to the user equipment grouping information in the first broadcast message When confirming that it is not activated or it is activated and needs to transmit without data, which does not parse the second broadcast message, And start sleep function, into sleep state, to reduce the power consumption of user equipment.

S503, the base station send the first response message to N2 user equipment, and first response message is used to indicate Allow channel indicated by the N2 user equipment access channel logo.

Specifically, above-mentioned first channel access request includes the lead code of user equipment, the lead code and user equipment one One is corresponding.After above-mentioned N1 user equipment sends the request of the first channel access to above-mentioned base station, above-mentioned base station is according to before above-mentioned Leading code determines the number N2 of the lead code received.When the base station determines whether the number N2 of above-mentioned lead code is greater than or equal to this The capacity N of base station.When determining that the number N2 of above-mentioned lead code is greater than or equal to N, the base station is from the corresponding user of N2 lead code N number of user equipment is randomly selected in equipment, and sends the first response message to N3 user equipment, and above-mentioned N3 is equal to the N；When true The number N2 of fixed above-mentioned lead code is less than above-mentioned N, and above-mentioned base station sends above-mentioned response message, above-mentioned N3 etc. to N3 user equipment In above-mentioned N3.

Further, it is assumed that user equipment A is any one in N1 user equipment, and user equipment A is sent out to base station After sending the first channel access to request, from sending and accessing the channel request moment, user equipment A starts its timer；

When above-mentioned base station does not access unlicensed band channel, which stops timing；When above-mentioned base station is accessed again When unlicensed band channel, user equipment A starts timer and continues timing；

When above-mentioned user equipment receives the first response message that the base station is sent in the counting duration of its timer, User equipment A sends second channel access request to above-mentioned base station by the indicated ascending resource of PRACH configuration, this One response message, which is used to indicate, allows user equipment A access unlicensed band channel, described in second channel access request carrying The customer equipment identification of user equipment A.

It illustrates, it is assumed that random access response (Random Access Response, the RAR) time of user equipment A Window is 20ms, and base station is accessed when system time 10ms exempts from authorization channel and activate user equipment, then user equipment A is fixed When device start timing, if base station for the first time access channel when a length of 5ms and exit and exempt from authorization channel, user equipment A In timing 5ms and unlicensed band channel is exited, then the timer of user equipment A then stops timing after timing 5ms, until Detect next time base station access unlicensed band channel when, user equipment A again again access unlicensed band channel and followed by Continuous timing.Time by the way that base station not accessed to unlicensed band channel stops timing, to avoid user equipment A in RAR Between window do not receive the re-transmission for retransmitting the i.e. lead code of user equipment A that the first response message causes the first channel access to be requested.

It should be noted that above-mentioned preset Backoff time is indicated by effective back-off parameter described in step S202 Time.Above-mentioned effective back-off parameter is the RAS number of the channel currently accessed with book equipment.

After S504, the N2 user equipment receive the first response message in the counting duration of timer, the N2 A user equipment passes through the M of the corresponding subchannel of channel logo₁The ascending resource of a time slot sends second channel access request, and Starting competition timer.

It should be noted that including M in the subchannel of the corresponding equivalent continuous channel of above-mentioned channel logo₁A time slot, on Second channel access request is stated for requesting the subchannel of equivalent continuous channel indicated by the above-mentioned channel logo of access, above-mentioned N2 Less than or equal to N1.

Wherein, above-mentioned second channel access request includes customer equipment identification, the customer equipment identification and user equipment one One is corresponding.

S505, the base station send the second response message to N4 user equipment, and second response message is for informing Whether the N4 user equipment is successfully accessed the corresponding subchannel of the channel logo.

Wherein, above-mentioned N4 user equipment is that base station receives in second channel access request in above-mentioned N2 user equipment The corresponding user equipment of customer equipment identification.

Specifically, above-mentioned base station is according to M₁Whether at least two user equipment marks are received in a time slot on any one time slot Know.If receiving at least two customer equipment identifications, the is sent at least two customer equipment identifications relative user equipment Two response messages, second response message connect for informing that at least two customer equipment identification relative user equipments have competition Enter the failure of unlicensed band channel；If only receiving a customer equipment identification, to the customer equipment identification to corresponding user Equipment sends the second response message, and there is no competing for informing the corresponding user equipment of the user identifier for second response message It strives, access channel success.

Further, from sending second channel access request to above-mentioned base station, in above-mentioned competition timer timing length Interior, user equipment B does not receive the second response message of base station transmission, then user equipment B is corresponding by above-mentioned channel logo Subchannel in M₁Any one time slot sends second channel access request in a time slot, and above-mentioned user equipment B is above-mentioned N4 Any one in a user equipment.

It should be noted that above-mentioned N4 is less than or equal to N2.

As can be seen that user equipment determines that it is according to user equipment grouping information in the scheme of the embodiment of the present invention It is no to be activated, it is activated and it has data to need to transmit when user equipment determines, then the user equipment just sends first to base station Channel access request.By the way that user equipment to be grouped, access request then is sent to base station according to group of user equipments, reduces use Family equipment accesses channel confliction；And the access request of user equipment is distributed on multiple time slots of a sub-channels, into one Step reduces user equipment access channel confliction, has advantageously accounted for the problem of can not accessing channel because of channel confliction.Base station And according to user equipment distribution activation moments and activation duration are grouped into, only when user equipment is activated and has data to need to transmit When, which listens to and receives broadcast message, user equipment in the case of other in activation duration since activation moments Sleep state is handled, the power consumption of user equipment is reduced.

It should be noted that above-mentioned first channel access request, the first response message, second channel access request, second Response message can be written as or be interpreted as respectively MSG1, MSG2, MSG3, MSG4.

Referring to Fig. 6, Fig. 6 is that the embodiment of the invention also provides a kind of architecture of base station schematic diagrames, as shown in fig. 6, the base station 600 include：

Grouping module 601 forms user equipment grouping information for M user equipment to be divided into M1 group of user equipments； Each group of user equipments corresponding activation period.

Optionally, the grouping module 601 is specifically used for：

First broadcast module 602, for broadcasting a broadcast message, the broadcast message is for activating the current institute in the base station Activation period corresponding group of user equipments, with indicate the user equipment in the group of user equipments access unlicensed band letter Road.

Optionally, first broadcast module 602 is specifically used for：

When unlicensed band channel is accessed within each activation period in the base station 600 for the first time, the broadcast is broadcasted Message, to indicate that the user equipment in the group of user equipments being activated in the M user equipment accesses unlicensed band channel.

Optionally, the broadcast message includes at least one of following message：The user equipment grouping information is swashed The activation start time of group of user equipments living, the duration of the activation period for the group of user equipments being activated, the user equipment The Physical Random Access Channel PRACH configuration of the lead code set, the unlicensed band channel of base station access of group.

Optionally, the broadcast message includes that the first broadcast message and second broadcast the message,

Optionally, the broadcast message further includes third broadcast message, and the base station 600 further includes：

Second broadcast module 603, when for accessing unlicensed band channel every time within each activation period, broadcast It was found that reference signal and third broadcast message, the discovery reference signal is for having notified base station described in the user equipment Unlicensed band channel is accessed, the third broadcast message is for notifying base station described in the user equipment is this time accessed to exempt to authorize Duration T shared by band channels_L。

Optionally, the base station sends first broadcast message simultaneously in different frequency resources, the second broadcast disappears Breath and third broadcast message；Or

Optionally, the blocking message of the user equipment includes at least one in following information：The group of user equipments VLSM, the IP address of each user equipment in the group of user equipments, the IMSI of user equipment in the group of user equipments, Effective back-off parameter of user equipment in the group of user equipments.

Optionally, after one broadcast message of the first broadcast module broadcast, the base station 600 further includes：

First receiving module 604, for receiving the of the transmission of N1 user equipment in this group of user equipment being activated The request of one channel access, the channel access request are believed for requesting the permission N1 user equipment to access unlicensed band Road；

Determining module 605, for determining the number N2 for the lead code for including in the channel access request, the lead code It is corresponded with the user equipment；

Choose module 606, for when determine the lead code number N2 be greater than or equal to the base station capacity N when, N number of user equipment is randomly selected from the corresponding user equipment of the N2 lead code；

First sending module 607, for sending the first response message to N3 user equipment, the N3 is equal to the N；

First sending module 607 is also used to determine that the number N2 of the lead code is less than the base station when the base station Capacity N when, to the N3 user equipment send the first response message, the N3 be equal to the N2；First response disappears Breath, which is used to indicate, allows the N3 user equipment to access unlicensed band channel.

Optionally, after first sending module 607 sends the first response message to the N3 user equipment, institute Stating base station 600 includes：

Second receiving module 608, the second channel access request sent for receiving the N3 user equipment, described the For two request messages for requesting access unlicensed band channel, the second channel access request includes customer equipment identification；

Second sending module 609, the institute for being configured according to the customer equipment identification in the PRACH when the base station When indicating to detect at least two customer equipment identifications on a time slot of channel, at least two customer equipment identification pair The user equipment answered sends the second response message, and second response message is for informing at least two customer equipment identification Corresponding user equipment accesses the unlicensed band channel failure；

Second sending module 609 is also used to be matched according to the customer equipment identification in the PRACH when the base station When only detecting a customer equipment identification on one time slot of the indicated channel set, to one customer equipment identification pair The user equipment answered sends the second response message, and second response message is for informing that one customer equipment identification is corresponding User equipment access unlicensed band channel success.

It should be noted that above-mentioned each module (grouping module 601, the first broadcast module 602, the second broadcast module 603, First receiving module 604, chooses module 606, the first sending module 607, the second receiving module 608, second at determining module 605 Sending module 609) for executing the correlation step of the above method.

In the present embodiment, base station 600 is to present in modular form.Here " module " can refer to specific application collection At circuit (application-specific integrated circuit, ASIC), one or more softwares or firmware are executed The processor and memory of program, integrated logic circuit and/or other device of above-mentioned function can be provided.In addition, above point Group module 601, the second broadcast module 603, the first receiving module 604, determining module 605, chooses mould at first broadcast module 602 Block 606, the first sending module 607, the second receiving module 608, the second sending module 609 can pass through the place of base station shown in Fig. 9 Device 901 is managed to realize.

Referring to Fig. 7, Fig. 7 is that the embodiment of the invention also provides a kind of architecture of base station schematic diagrames, as shown in fig. 7, the base station 700 include：

First receiving module 701, for receiving the broadcast message of base station transmission.

AM access module 702, for accessing unlicensed band channel according to the broadcast message.

Optionally, the broadcast message includes that third broadcasts the message, and the user equipment 700 further includes：

Second receiving module 703, for receiving the discovery reference signal and third broadcast message of the base station broadcast；

Optionally, the broadcast message includes the first broadcast message and the second broadcast message, the first broadcast message packet Include the activation of the activation start time, the group of user equipments being activated of user equipment grouping information, the group of user equipments being activated The duration of period, the AM access module 702 include：

Determination unit 7021, after receiving first broadcast message for first receiving module, according to the user Device packets validation of information its whether be activated；

First receiving unit 7022, for when the user equipment determines that it is activated and its data needs to transmit, from The activation start time listens in the duration of the activation period and receives second broadcast message.

Optionally, the AM access module 702 includes：

Start unit 7023, for determining that it is activated and it does not have data needs according to the user equipment grouping information When transmission, or when determining that it is not activated according to the user grouping information, start sleep function.

Optionally, the broadcast message includes that third broadcasts the message, and the third broadcast message includes this described base station Access the duration T of unlicensed band channel_L, after the user equipment receives the third broadcast message, the AM access module 702 include：

Concatenation unit 7024, in the time domain by the duration T_LCorresponding unlicensed band channel is spliced into equivalent company Continuous channel.

Optionally, second broadcast message includes the physical accidental access letter for exempting to award band channels of base station access Road PRACH configuration, the AM access module 702 include：

Selection unit 7025, for being configured according to the PRACH, from first of the subchannel of the equivalent continuous channel In the continuous T random access time slot that available random access time slot RAS starts, when any one time slot of selection is as sending Gap；

First transmission unit 7026, for sending the request of the first channel access, first letter by the sending time slots Road access request allows the user equipment to access unlicensed band channel for requesting.

Optionally, second broadcast message includes the lead code set of group of user equipments, first transmission unit 7026 are specifically used for：

Optionally, it is described after first transmission unit sends the request of the first channel access by the sending time slots AM access module 702 includes：

Timer unit 7027, for starting timer；When the base station does not access unlicensed band channel, stop meter When；When unlicensed band channel is accessed in the base station again, starting timer continues timing；

Second transmission unit 7028, for receiving the base in the counting duration of the timer when the user equipment Stand the first response message sent when, the second letter is sent to the base station by the indicated ascending resource of PRACH configuration Road access request, first response message, which is used to indicate, allows the user equipment to access unlicensed band channel, and described the The request of two channel access carries the customer equipment identification of the user equipment.

Third transmission unit 7029 does not receive the first response message for working as in the duration of the timer count When, the first channel access request is retransmitted to the base station after preset Backoff time.

Optionally, second transmission unit 7028 configures indicated ascending resource to the base by the PRACH It stands after sending second channel access request, the AM access module 702 includes：

Second receiving unit 70210, the second response message sent for receiving the base station, second response message For informing whether the user equipment is successfully accessed the unlicensed band channel；

4th transmission unit 70211, for disappearing when the second response for not receiving the base station transmission in preset duration When breath, the second channel access request is retransmitted to the base station.

It should be noted that above-mentioned each module (the first receiving module 701, AM access module 702, the second receiving module 703) For executing the correlation step of the above method.

In the present embodiment, user equipment 700 is to present in modular form.Here " module " can refer to specific answer With integrated circuit (application-specific integrated circuit, ASIC), execute one or more softwares or The processor and memory of firmware program, integrated logic circuit and/or other device of above-mentioned function can be provided.In addition, with Upper first receiving module 701, AM access module 702, the second receiving module 703 can pass through the processor of user equipment shown in Fig. 10 1001 realize.

As shown in figure 9, base station 900 can be realized with the structure in Fig. 9, which includes at least one processor 901, at least one processor 902 and at least one communication interface 903.The processor 901, the memory 902 and institute Communication interface 903 is stated to connect by the communication bus and complete mutual communication.

Processor 901 can be general central processor (CPU), microprocessor, application-specific integrated circuit (application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey The integrated circuit that sequence executes.

Communication interface 903 is used for and other equipment or communication, such as Ethernet, wireless access network (RAN), nothing Line local area network (Wireless Local Area Networks, WLAN) etc..

Memory 902 can be read-only memory (read-only memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read- Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.

Wherein, the memory 902 be used for store execution above scheme application code, and by processor 901 Control executes.The processor 901 is for executing the application code stored in the memory 902.

The code that memory 902 stores can be performed the above-mentioned unlicensed band that terminal device provided above executes and connect at random M user equipment is divided into M1 group of user equipments by the method entered, such as base station, forms user equipment grouping information；Each use Family equipment group corresponds to an activation period；The base station broadcast one broadcasts the message, and the broadcast message is for activating the base station The activation period corresponding group of user equipments being currently located, to indicate that the access of the user equipment in the group of user equipments exempts to authorize Band channels.

As shown in Figure 10, user equipment 1000 can be realized with the structure in Figure 10, which includes extremely A few processor 1001, at least one processor 1002 and at least one communication interface 1003.The processor 1001, institute Memory 1002 is stated to connect with the communication interface 1003 by the communication bus and complete mutual communication.

Processor 1001 can be general central processor (CPU), microprocessor, application-specific integrated circuit (application-specific integrated circuit, ASIC), or it is one or more for controlling above scheme journey The integrated circuit that sequence executes.

Communication interface 1003 is used for and other equipment or communication, such as Ethernet, wireless access network (RAN), nothing Line local area network (Wireless Local Area Networks, WLAN) etc..

Memory 1002 can be read-only memory (read-only memory, ROM) or can store static information and refer to The other kinds of static storage device enabled, random access memory (random access memory, RAM) or can store The other kinds of dynamic memory of information and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, light Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or Store have instruction or data structure form desired program code and can by any other medium of computer access, but It is without being limited thereto.Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor Together.

Wherein, the memory 1002 is used to store the application code for executing above scheme, and by processor 1001 It is executed to control.The processor 1001 is for executing the application code stored in the memory 1002.

It is random that the above-mentioned unlicensed band that terminal device provided above executes can be performed in the code that memory 1002 stores The method of access, such as user equipment receive the broadcast message that base station is sent；The user equipment connects according to the broadcast message Enter unlicensed band channel.

The embodiment of the present invention also provides a kind of computer storage medium, wherein the computer storage medium can be stored with journey Sequence, the program include the portion of the method for any unlicensed band random access recorded in above method embodiment when executing Point or Overall Steps.

It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention It is necessary.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed device, it can be by another way It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, It can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer-readable access to memory.Based on this understanding, technical solution of the present invention substantially or Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products Reveal and, which is stored in a memory, including some instructions are used so that a computer equipment (can be personal computer, server or network equipment etc.) executes all or part of each embodiment the method for the present invention Step.And memory above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory The various media that can store program code such as (RAM, Random Access Memory), mobile hard disk, magnetic or disk.

Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can store in a computer-readable memory, memory May include：Flash disk, read-only memory (English：Read-Only Memory, referred to as：ROM), random access device (English： Random Access Memory, referred to as：RAM), disk or CD etc..

The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas； At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention There is change place, to sum up above-mentioned, the contents of this specification are not to be construed as limiting the invention.

Claims

1. a kind of method of unlicensed band random access, which is characterized in that including：

M user equipment is divided into M1 group of user equipments by base station, forms user equipment grouping information；Each group of user equipments pair Answer an activation period；

The base station broadcast one broadcasts the message, and activation period of the broadcast message for activating the base station to be currently located is corresponding Group of user equipments, with indicate the user equipment in the group of user equipments access unlicensed band channel.

2. the method according to claim 1, wherein the broadcast message of the base station broadcast one includes：

When unlicensed band channel is accessed within each activation period in the base station for the first time, the broadcast message is broadcasted, with Indicate the user equipment access unlicensed band channel in the group of user equipments being activated in the M user equipment.

3. according to the method described in claim 2, it is characterized in that, the broadcast message includes at least one in following message Kind：The user equipment grouping information, the activation start time for the group of user equipments being activated, the group of user equipments that is activated Activate the physics of the unlicensed band channel of duration, the lead code set of the group of user equipments, the base station access of period Random access channel PRACH configuration.

4. according to the method described in claim 2, it is characterized in that, the broadcast message includes that the first broadcast message and second are wide Message is broadcast,

First broadcast message includes at least one of following message：The user equipment grouping information, the use being activated The activation start time of family equipment group, the group of user equipments being activated activation the period duration；

Second broadcast message includes at least one of following message：The lead code of the group of user equipments configures, is described The Physical Random Access Channel PRACH configuration of the unlicensed band channel of base station access.

5. the method according to claim 1, wherein it is described broadcast message further include third broadcast message, it is described Method further includes：

When unlicensed band channel is accessed within each activation period in the base station every time, broadcast discovery reference signal and Third broadcast message, the discovery reference signal is for notifying base station described in the user equipment to access unlicensed band letter Road, when the third broadcast message is for notifying base station described in the user equipment this time to access shared by unlicensed band channel Long T_L。

6. method according to claim 4 or 5, which is characterized in that the base station sends institute in different frequency resources State the first broadcast message, the second broadcast message and third broadcast message；Or

The base station successively sent in different or identical frequency resource first broadcast message, the second broadcast message and Third broadcast message.

7. being set the method according to claim 1, wherein M user equipment is divided into M1 user by the base station Standby group, including：

The base station according to variable length subnet mask VLSM by the M user equipment according to IP address be divided into M1 it is different Subnet, the corresponding group of user equipments of each subnet；Wherein, each user equipment in group of user equipments has unique identification； Or

The M user equipment is divided into M1 user according to the international mobile subscriber identity IMSI of user equipment by the base station Equipment group.

8. the method according to claim 1, wherein the blocking message of the user equipment includes in following information At least one of：IP address, the use of each user equipment in the VLSM of the group of user equipments, the group of user equipments The IMSI of user equipment in the equipment group of family, in the group of user equipments user equipment effective back-off parameter.

9. the method according to claim 1, wherein the base station broadcast one broadcast the message after, the method Further include：

The base station receives the first channel access request that N1 user equipment in this group of user equipment being activated is sent, institute State channel access request allows the N1 user equipment to access unlicensed band channel for requesting；

The base station determines the number N2 for the lead code for including in the channel access request, and the lead code is set with the user It is standby to correspond；

When the number N2 for determining the lead code is greater than or equal to the capacity N of the base station, the base station is before the N2 N number of user equipment is randomly selected in the corresponding user equipment of leading code；

When the base station determines that the number N2 of the lead code is less than the capacity N of the base station, the base station is to the N3 User equipment sends the first response message, and the N3 is equal to the N2；

10. according to the method described in claim 9, it is characterized in that, sending the to the N3 user equipment in the base station After one response message, the method includes：

The second channel access request that the N3 user equipment is sent is received, second request message is for requesting access to be exempted from Authorized spectrum band channel, the second channel access request includes customer equipment identification；

When the base station is detected on a time slot of the PRACH indicated channel configured according to the customer equipment identification When at least two customer equipment identifications, then the base station is to the corresponding user equipment hair of at least two customer equipment identification The second response message is sent, second response message is for informing the corresponding user equipment of at least two customer equipment identification Access the unlicensed band channel failure；

When the base station is only examined on a time slot of the PRACH indicated channel configured according to the customer equipment identification When measuring a customer equipment identification, then the base station sends second to the corresponding user equipment of one customer equipment identification Response message, second response message is for informing that the corresponding user equipment access of one customer equipment identification exempts to authorize Band channels success.

11. a kind of method of unlicensed band random access, which is characterized in that including：

User equipment receives the broadcast message that base station is sent；

12. according to the method for claim 11, which is characterized in that the broadcast message includes that third broadcasts the message, described Method further includes：

The discovery reference signal is for notifying base station described in the user equipment to access unlicensed band channel, described the Three broadcast messages are for notifying base station described in the user equipment this time to access duration T shared by unlicensed band channel_L。

13. according to the method for claim 11, which is characterized in that the broadcast message includes the first broadcast message and second Broadcast message, when first broadcast message includes that the activation of user equipment grouping information, the group of user equipments being activated starts The duration of the activation period for the group of user equipments carve, being activated,

After the user equipment receives first broadcast message, confirm whether it is swashed according to the user equipment grouping information It is living；

When the user equipment determines that it is activated and its data needs to transmit, when the user equipment is since the activation It carves, in the duration of the activation period, listens to and receive second broadcast message.

14. according to the method for claim 13, which is characterized in that the user equipment is exempted from according to broadcast message access Authorized spectrum band channel includes：

When the user equipment determines that it is activated and it does not have data to need to transmit according to the user equipment grouping information, or When person determines that it is not activated according to the user grouping information, start sleep function.

15. according to the method for claim 13, which is characterized in that the broadcast message includes that third broadcasts the message, described Third broadcast message includes the duration T of this base station access unlicensed band channel_L, the user equipment receives described After third broadcast message, the user equipment accesses unlicensed band channel according to the broadcast message and specifically includes：

The user equipment is in the time domain by the duration T_LCorresponding unlicensed band channel is spliced into equivalent continuous channel.

16. according to the method for claim 15, which is characterized in that second broadcast message includes base station access The Physical Random Access Channel PRACH for exempting to award band channels is configured, and the user equipment exempts to award according to broadcast message access Weighing band channels includes：

The user equipment is configured according to the PRACH, from first of the subchannel of the equivalent continuous channel it is available with In the continuous T random access time slot that machine access slot RAS starts, a time slot is arbitrarily chosen as sending time slots；

The user equipment sends the request of the first channel access by the sending time slots, and the first channel access request is used for Request allows the user equipment to access unlicensed band channel.

17. according to the method for claim 16, which is characterized in that second broadcast message is including before group of user equipments Leading code set, the user equipment send the request of the first channel access by the sending time slots and include：

The user equipment is connect by first channel that sending time slots transmission carries the lead code selected Enter request.

18. according to the method for claim 16, which is characterized in that the user equipment sends the by the sending time slots After the request of one channel access, the user equipment accesses unlicensed band channel according to the broadcast message and includes：

The user equipment starts timer；

When the base station does not access unlicensed band channel, the timer stops timing；It accesses and exempts from again when the base station When authorized spectrum band channel, the user equipment starting timer continues timing；

When the user equipment receives the first response message that the base station is sent in the counting duration of the timer, institute It states user equipment and second channel access request, institute is sent to the base station by the indicated ascending resource of PRACH configuration Stating the first response message and being used to indicate allows the user equipment to access unlicensed band channel, the second channel access request Carry the customer equipment identification of the user equipment.

19. according to the method for claim 18, which is characterized in that the user equipment sends the by the sending time slots After the request of one channel access, the user equipment accesses unlicensed band channel according to the broadcast message and includes：

When not receiving the first response message in the duration in the timer count, the user equipment is in preset rollback The first channel access request is retransmitted to the base station after time.

20. according to the method for claim 18, the user equipment ascending resource indicated by PRACH configuration After sending second channel access request to the base station, the user equipment accesses unlicensed band according to the broadcast message Channel includes：

The user equipment receives the second response message that the base station is sent, and second response message is for informing the use Whether family equipment is successfully accessed the unlicensed band channel；

When not receiving the second response message that the base station is sent in preset duration, the user equipment is to the base station Retransmit the second channel access request.

21. a kind of base station, which is characterized in that including：

Grouping module forms user equipment grouping information for M user equipment to be divided into M1 group of user equipments；Each use Family equipment group corresponds to an activation period；

First broadcast module, for broadcasting a broadcast message, the broadcast message is sharp for activating the base station to be currently located Work period corresponding group of user equipments, to indicate that the user equipment in the group of user equipments accesses unlicensed band channel.

22. base station according to claim 21, which is characterized in that first broadcast module is specifically used for：

23. base station according to claim 22, which is characterized in that the broadcast message includes at least one in following message Kind：The user equipment grouping information, the activation start time for the group of user equipments being activated, the group of user equipments that is activated Activate the physics of the unlicensed band channel of duration, the lead code set of the group of user equipments, the base station access of period Random access channel PRACH configuration.

24. base station according to claim 22, which is characterized in that the broadcast message includes the first broadcast message and second Broadcast message,

25. base station according to claim 21, which is characterized in that the broadcast message further includes third broadcast message, institute Stating base station further includes：

Second broadcast module, when for accessing unlicensed band channel every time within each activation period, broadcast discovery ginseng It examines signal and third broadcast message, the discovery reference signal is exempted from for notifying base station described in the user equipment to access Authorized spectrum band channel, the third broadcast message is for notifying base station described in the user equipment this time to access unlicensed band letter Duration T shared by road_L。

26. the base station according to claim 24 or 25, which is characterized in that the base station in different frequency resources simultaneously Send first broadcast message, the second broadcast message and third broadcast message；Or

27. base station according to claim 21, which is characterized in that the grouping module is specifically used for：

The M user equipment is divided into N number of different subnet according to IP address according to variable length subnet mask VLSM, each Subnet corresponds to a group of user equipments；Wherein, each user equipment in group of user equipments has unique identification；Or

The M user equipment is divided into M1 group of user equipments according to the international mobile subscriber identity IMSI of user equipment.

28. base station according to claim 21, which is characterized in that the blocking message of the user equipment includes following information At least one of in：It is the IP address of each user equipment in the VLSM of the group of user equipments, the group of user equipments, described The IMSI of user equipment in group of user equipments, in the group of user equipments user equipment effective back-off parameter.

29. base station according to claim 21, which is characterized in that first broadcast module broadcasts a broadcast message Afterwards, the base station further includes：

First receiving module, the first channel for receiving the transmission of N1 user equipment in this group of user equipment being activated connect Enter request, the channel access request allows the N1 user equipment to access unlicensed band channel for requesting；

Determining module, for determining the number N2 for the lead code for including in channel access request, the lead code with it is described User equipment corresponds；

Choose module, for when determine the lead code number N2 be greater than or equal to the base station capacity N when, from the N2 N number of user equipment is randomly selected in the corresponding user equipment of a lead code；

First sending module is also used to determine that the number N2 of the lead code is less than the capacity N of the base station when the base station When, the first response message is sent to the N3 user equipment, the N3 is equal to the N2；

30. base station according to claim 29, which is characterized in that set in first sending module to the N3 user After preparation send the first response message, the base station includes：

Second receiving module, the second channel access request sent for receiving the N3 user equipment, second request For message for requesting access unlicensed band channel, the second channel access request includes customer equipment identification；

Second sending module, the indicated letter for being configured according to the customer equipment identification in the PRACH when the base station When detecting at least two customer equipment identifications on one time slot in road, to the corresponding use of at least two customer equipment identification Family equipment sends the second response message, and second response message is for informing that at least two customer equipment identification is corresponding User equipment accesses the unlicensed band channel failure；

Second sending module is also used to the meaning configured according to the customer equipment identification in the PRACH when the base station Show when only detecting a customer equipment identification on a time slot of channel, to the corresponding user of one customer equipment identification Equipment sends the second response message, and second response message is for informing that the corresponding user of one customer equipment identification sets Standby access unlicensed band channel success.

31. a kind of user equipment, which is characterized in that including：

32. user equipment according to claim 31, which is characterized in that the broadcast message includes that third broadcasts the message, The user equipment further includes：

33. user equipment according to claim 31, which is characterized in that it is described broadcast message include first broadcast message and Second broadcast message, first broadcast message include that the activation of user equipment grouping information, the group of user equipments being activated is opened Begin the moment, the group of user equipments being activated the activation period duration, the AM access module includes：

Determination unit is grouped after receiving first broadcast message for first receiving module according to the user equipment Validation of information its whether be activated；

First receiving unit, for when the user equipment determines that it is activated and its data needs to transmit, from the activation Start time listens in the duration of the activation period and receives second broadcast message.

34. user equipment according to claim 33, which is characterized in that the AM access module includes：

First start unit, for determining that it is activated and it does not have data to need to transmit according to the user equipment grouping information When, or when determining that it is not activated according to the user grouping information, start sleep function.

35. user equipment according to claim 33, which is characterized in that the broadcast message includes that third broadcasts the message, The third broadcast message includes the duration T of this base station access unlicensed band channel_L, the user equipment receives After the third broadcast message, the AM access module includes：

Concatenation unit, in the time domain by the duration T_LCorresponding unlicensed band channel is spliced into equivalent continuous channel.

36. user equipment according to claim 35, which is characterized in that second broadcast message includes that the base station connects The Physical Random Access Channel PRACH configuration for exempting to award band channels entered, the AM access module include：

Selection unit, for being configured according to the PRACH, from first of the subchannel of the equivalent continuous channel it is available with In the continuous T random access time slot that machine access slot RAS starts, a time slot is arbitrarily chosen as sending time slots；

First transmission unit, for sending the request of the first channel access by the sending time slots, first channel access is asked It asks for requesting that the user equipment is allowed to access unlicensed band channel.

37. user equipment according to claim 36, which is characterized in that second broadcast message includes group of user equipments Lead code set, first transmission unit is specifically used for：

38. user equipment according to claim 36, which is characterized in that when first transmission unit is by the transmission After gap sends the request of the first channel access, the AM access module includes：

Second timer unit, for starting timer；When the base station does not access unlicensed band channel, stop timing； When unlicensed band channel is accessed in the base station again, starting timer continues timing；

Second transmission unit, for receiving what the base station was sent in the counting duration of the timer when the user equipment When the first response message, second channel access is sent to the base station by the indicated ascending resource of PRACH configuration and is asked It asks, first response message, which is used to indicate, allows the user equipment to access unlicensed band channel, and the second channel connects Enter the customer equipment identification that request carries the user equipment.

39. the user equipment according to claim 38, which is characterized in that when first transmission unit is by the transmission After gap sends the request of the first channel access, the AM access module includes：

Third transmission unit, for presetting when not receiving the first response message in the duration in the timer count Backoff time after to the base station retransmit first channel access request.

40. the user equipment according to claim 38, second transmission unit passes through indicated by PRACH configuration After ascending resource sends second channel access request to the base station, the AM access module includes：

Second receiving unit, the second response message sent for receiving the base station, second response message is for informing Whether the user equipment is successfully accessed the unlicensed band channel；

4th transmission unit, for when not receiving the second response message that the base station is sent in preset duration, to institute It states base station and retransmits the second channel access request.

41. a kind of base station, which is characterized in that in the memory and can be described including memory, processor and storage The computer program run on processor, the processor realize that claims 1 to 10 such as is appointed when executing the computer program One the method.

42. a kind of terminal, which is characterized in that in the memory and can be described including memory, processor and storage The computer program run on processor, the processor realize such as claim 11 to 20 times when executing the computer program One the method.

43. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists In any one of such as claim 1 to 20 of realization the method when the computer program is executed by processor.