WO2013082931A1

WO2013082931A1 - Method and apparatus for allocating sending time resources and lte mobile communication system

Info

Publication number: WO2013082931A1
Application number: PCT/CN2012/077263
Authority: WO
Inventors: 杨德
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-12-08
Filing date: 2012-06-20
Publication date: 2013-06-13
Also published as: CN103166749A; CN103166749B

Abstract

Disclosed are a method and an apparatus for allocating sending time resources and an LTE mobile communication system. The method for allocating sending time resources comprises: a network side generating, according to an uplink/downlink time slot distribution rate parameter, a sending time mask set of uplink control information (UCI) supporting PUCCH, in all reporting periods defined in a UCI reporting period protocol, and generating a sending time resource set corresponding to the sending time mask set; according to a reporting period determined through a CMAC according to a radio channel condition after access by a UE, the network side obtaining a sending time mask corresponding to the period; and the network side allocating to the UE a sending time resource corresponding to the sending time mask in the sending time resource set. The present invention can implement dynamic management of sending time of PUCCH UCI of the user, and can improve flexibility of resource management.

Description

Transmission timing resource allocation method and device, LTE mobile communication system

The present invention relates to the field of mobile communications, and more particularly to a transmission opportunity resource allocation method and apparatus, and an LTE mobile communication system. Background technique

PUCCH (Physical Uplink Control Channel) is a physical channel for transmitting uplink control information in an LTE (Long Term Evolution) system. Its function is to transmit uplink and data-independent UCI (Uplink Control Information, uplink). Control information); PUCCH supports multiple formats, where the UCI transmitted by PUCCH format 1 is SR (Scheduling Request;), and the UCI transmitted by PUCCH format 2/2a/2b is CQI/PMI (Channel Quality Indicator, Precoding Matrix Indicator) , channel quality indication, precoding matrix indication) or multiplexing of CQI/PMI and ACK/NACK.

The 36.331 protocol describes that the transmission timing and channel resource location for SR and CQI/PMI are allocated by RRM (Radio Resource Management) and configured by the air interface to the UE (User Equipment, User Set), where SR and CQI/PMI The transmission timing is represented by 1^ and I _CQ i/p _MI , respectively. The following description uses CQI/PMI as an example. SR is similar to CQI/PMI.

Generally speaking, in order to realize the convenience and simplicity of CQI/PMI resource management, RRM is managed as follows: According to the background CQI/PMI transmission period parameters and uplink and downlink slot ratio parameters, the number of intra-time domain transmission timings is calculated. . For example: Figure 7 shows the typical configuration 1 of TDD (Time Division Duplex). See Figure 7 for the uplink and downlink time slot ratio parameter 1, and the CQI/PMI transmission period parameter Np: 80ms. Calculate the number of time slots in the Np time domain: (Np/10) *4=32; Calculate the total number of resources in the cell time domain CQI/PMI, N, and The correspondence between the CQI/PMI transmission timing and the I _C Q _I/pmi is initialized. When the UE accesses, the available I _CQ i/p _{MIs are} searched from the N resource pools available in the time domain and allocated to the UE.

The above resource management method for CQI/PMI is simple and easy to manage. However, the method is obviously unreasonable: First, since the number of CQI/PMI time domain resources available to the cell is determined in advance, the number of UEs supported by the cell is limited to some extent, and if the CQI supported by the cell is to be changed The number of UEs allocated by the /PMI resource needs to modify the CQI/PMI transmission period configuration parameters of the background. Secondly, the method preprocesses the correspondence between the CQI/PMI transmission timing and the I _CQI/PMI , which actually limits the intra-cell. The UE sends, the CQI/PMI cycle is fixed and unchangeable. In the laboratory test, or not very complicated wireless environment can meet the demand. As a wireless communication system, the complexity and uncertainty of the environment is Its main features. Therefore, the requirement of the radio channel quality of the UE is dynamic and dynamically changed according to the actual situation of the radio link. Therefore, the RRM dynamically manages the CQI/PMI resources to adapt to the radio link condition of the UE and improve the resource utilization efficiency.

In view of the above analysis of CQI/PMI resource management, in the prior art, there is a lack of a dynamic allocation method for supporting PUCCH transmission timing resource allocation problem. Summary of the invention

The present invention provides a method and an apparatus for allocating a transmission opportunity resource, and an LTE mobile communication system, which is used to solve the problem of the lack of a dynamic allocation method for supporting PUCCH transmission timing resource allocation problems existing in the prior art.

In order to achieve the above object of the present invention, according to a first aspect of the present invention, a method for allocating a transmission opportunity resource is provided, and the following technical solutions are adopted:

The method for allocating the transmission timing resource includes: generating, by the network side, the transmission timing mask set of the uplink control information supporting the PUCCH according to the uplink and downlink slot allocation parameter in the UCI reporting periodic reporting protocol, and generating and the sending timing a set of transmission timing resources corresponding to the mask set; The network side acquires a sending opportunity mask corresponding to the first reporting period in the sending opportunity mask set according to the first reporting period of the accessing UE; and

The network side allocates a transmission opportunity resource corresponding to the transmission opportunity mask in the transmission timing resource set to the UE.

Further, before the network side acquires the transmission opportunity mask corresponding to the first reporting period in the sending timing mask set according to the reporting period of the access UE, the resource allocation method further includes: the network side detecting the wireless link status of the UE, And obtaining a detection result; setting the initial reporting period of the UE to the first reporting period when the detection result meets the first preset condition.

Further, when the detection result satisfies the second preset condition, the resource allocation method further includes: receiving, by the network side, an optimal period reported by the CMAC, and sending the set of the timing mask and the sending timing resource according to the value of the optimal period, and The first transmission timing resource is obtained; the network side compares the first transmission timing resource with the preset resource bitmap to obtain a first comparison result; when the first comparison result is that the first transmission timing resource is an idle resource, The optimal period is set to the first reporting period.

Further, the preset resource bitmap is: a resource bitmap configured by the network side to identify the resource occupation according to the maximum reporting period.

Further, when the first comparison result is that the first transmission timing resource is occupied, the resource allocation method further includes: determining, by the network side, the trend direction of the reporting period adjustment according to the optimal period and the initial reporting period; and adjusting the trend direction according to the reporting period The period closest to the optimal period is used as the suboptimal period; the network side sends the set of timing masks and the set of transmission timing resources according to the value index of the suboptimal period, and obtains the second transmission timing resource; and the second transmission timing resource and the preset The resource bitmap is compared to obtain a second comparison result. When the second comparison result is that the second transmission timing resource is idle, the sub-optimal period is set as the first reporting period.

According to another aspect of the present invention, a transmission opportunity resource allocation apparatus is provided, and the following technical solutions are adopted:

The sending opportunity resource allocation device includes: a generating module, configured to generate, according to the uplink and downlink time slot matching parameter, a sending timing mask set of the uplink control information supporting the PUCCH in each cycle, and generate a sending timing resource set corresponding to the sending timing mask set;

And an obtaining module, configured to obtain, according to the first reporting period of the access UE, a sending opportunity mask corresponding to the first period in the sending timing mask set; and

And an allocating module, configured to allocate, to the UE, a sending opportunity resource corresponding to the sending opportunity mask in the sending timing resource set.

Further, the sending timing resource allocation device further includes: a detecting module, configured to detect a radio link status of the UE, and obtain a detection result; and a first setting module, configured to: when the detection result satisfies the first preset condition, The initial reporting period is set to the first reporting period.

Further, the transmission timing resource allocation apparatus further includes: a receiving module, configured to receive an optimal period reported by the CMAC; and an indexing module, configured to send the timing mask set and the sending timing resource set according to the value of the optimal period, and obtain the first a sending timing resource; a comparing module, configured to compare the first sending timing resource with a preset resource bitmap to obtain a first comparison result; and a second setting module, configured to: when the comparison result is the first sending timing resource is idle When the resource is used, the optimal period is set to the first reporting period.

Further, the sending timing resource allocation device further includes: a configuration module, configured to allocate a resource bitmap according to a maximum uplink period to identify a resource occupation situation.

According to still another aspect of the present invention, an LTE mobile communication system including the above-described transmission timing resource allocation apparatus is provided.

It can be found that, through the above technical solution, the dynamic management of the uplink control information transmission timing of the user PUCCH is realized, and the flexibility of resource management is improved; at the same time, the capability of the UE to adapt to the complex change of the wireless link condition is improved, due to the periodic dynamics Adjustment, the user can respond to the base station faster under the condition of poor radio link, and facilitate the base station to perform frequency selection scheduling on the user. The user can respond to the base station in a large period under the condition of good radio link, and the cell is guaranteed. User capacity. In particular, the use of the suboptimal period as an auxiliary means of the optimal period ensures the quality of the user's service and the utilization of the resource as much as possible.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings. DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be a In the drawings: FIG. 2 is a schematic diagram of PUCCH CQI/PMI transmission timing initialization after a cell is successfully established according to an embodiment of the present invention;

3 is a schematic diagram of dynamic management of a PUCCH CQI/PMI resource according to an embodiment of the present invention; FIG. 4 is a schematic diagram of initializing a PUCCH SR transmission timing after a cell is successfully established according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a PUCCH SR resource dynamic management according to an embodiment of the present invention; FIG. 6 is a schematic diagram of a main structure of a transmission timing resource allocation apparatus according to an embodiment of the present invention; FIG. 7 is a PUCCH CQI in a typical configuration in the prior art. Schematic diagram of /PMI resource correspondence. detailed description

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the invention may be

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99oxoxooq90r0§q 90r0§q9oro§q«««« ^.::::;:;: The prefix b represents binary, the first ellipsis of the first element indicates that 78 zeros are omitted, and the second ellipsis indicates that 76 zeros are omitted, and the latter 31 elements are logically shifted right by the first element. Similarly, a set of masks corresponding to other periods can be obtained.

After determining the set of masks for the sending opportunity, you also need to determine the resources corresponding to the sending timing.

CQI—PMI—RES—SET1,

CQI—PMI—RES—SET2...

CQI—PMI—RES—SET7,

Corresponding to 1, 5, 10, 20, 40, 80 and 160 milliseconds respectively.

For example: The 32 resource elements of CQI_PMI_RES_SET6 are:

78, 79, 83, 84, 88, 89, 93, 94, 98, 99, 103, 104, 108, 109, 113, 114, 118, 119, 123, 124, 128, 129, 133, 134, 138, 139, 143, 144, 148, 149, 153, and 154; they correspond to elements in the set of transmission opportunity masks.

In the process of the UE initiating the access, the network side allocates the timing resource corresponding to the index to the UE according to the first reporting period.

The first reporting period may be an initial reporting period, or may be a reporting period that the network side reconfigures for the UE according to the wireless link status.

Through the above technical solution of the embodiment, the dynamic management of the PUCCH uplink control information transmission timing is realized, and the flexibility of resource management is improved.

Preferably, before the network side acquires the transmission opportunity mask corresponding to the first reporting period in the sending timing mask set according to the reporting period of the access UE, the resource allocation method further includes:

The network side detects the radio link status of the UE, and obtains a detection result. When the detection result meets the first preset condition, the initial reporting period of the UE is set to the first reporting period.

The first preset condition here is that when the media access control (CMAC) layer detects the radio link status of the UE, if it is determined that the channel condition parameter of the UE changes normally, the initial reporting period allocated by the RRM for the access UE is A reporting cycle. 2 is a schematic diagram of PUCCH CQI/PMI transmission timing initialization after a cell is successfully established according to an embodiment of the present invention.

Referring to Figure 2, after the cell is successfully established, the RRM initializes the PUCCH CQI/PMI transmission timing:

Step 201: The RRM initializes the CQI/PMI mask set and the resource set of the cell, that is, the sending timing mask set corresponds to the sending timing resource set, that is, after the RRM is successfully established, the RRM generates the CQI according to the uplink and downlink slot matching parameters respectively. /PMI Set of transmission timing masks for various cycles.

Step 202: The UE initiates an access procedure, and the RRM allocates an initial CQI/PMI transmission opportunity resource to the UE according to the initial timing according to the sending timing mask set and the sending timing resource set, and the process ends.

In the above technical solution of the embodiment, in order to support as many users as possible in the cell, the background may configure the CQI/PMI transmission period parameter to be larger, so that the RRM is uniformly configured with the same period when the UE establishes the connection, and then the user The change of the radio link condition when performing the service is dynamically adjusted by the CMAC and the RRM to perform the user CQI/PMI transmission timing.

Preferably, when the detection result satisfies the second preset condition, the resource allocation method further includes: the network side receiving the optimal period reported by the CMAC; the network side transmitting the timing mask set and the sending opportunity resource set according to the value of the optimal period index, And obtaining the first sending opportunity resource; the network side compares the first sending opportunity resource with the preset resource bitmap to obtain a first comparison result; when the first comparison result is that the first sending timing resource is an idle resource, The optimal period is set to the first reporting period.

The second preset condition here is that when the CMAC detects the radio link status of the UE, if it is determined that the channel condition of the UE changes drastically or the change is very slow and nearly constant, it is determined that the CQI/PMI reporting period of the UE needs to be reconfigured. The reporting period recommended by CMAC is the first reporting period.

FIG. 3 is a schematic diagram of dynamic management of PUCCH CQI/PMI resources according to an embodiment of the present invention. See picture 3 shows:

Step 301: The CMAC determines whether the UE channel condition timing arrives. If yes, go to step 302, otherwise, continue to wait for the judgment opportunity;

Step 302: The CMAC determines whether the CQI/PMI period needs to be modified. If necessary, go to step 303. Otherwise, the process ends.

Step 303: The CMAC reports the recommended optimal period for sending the CQI/PMI to the RRM.

Step 304: The RRM determines whether there is an idle resource according to the optimal period, the index mask set, and the sending timing resource set reported by the CMAC. If there is a step 306, the process proceeds to step 305. Step 305: The RRM is based on the optimal period and the current period. Indexing to the sub-optimal period, according to the sub-optimal period index mask set and the sending timing resource set, and determining whether there is an idle resource, if there is a step 306, otherwise the process ends;

Step 306: The RRM configures the searched CQI/PMI transmission timing to the UE.

At the end of the process, the dynamic configuration of the UE CQI/PMI transmission timing is completed through CMAC and RRM cooperation.

In the above technical solution of the present embodiment, the CMAC detects the radio link status of the UE. If it is determined that the channel condition of the UE changes drastically or the change is very slow and is almost constant, it is determined that the CQI/PMI reporting period of the UE needs to be reconfigured, and the recommended The period value, that is, the period reported by the CMAC, that is, the optimal period, is reported to the RRM; the RRM indexes the transmission timing mask set CQI_PMI_MASK_SET of the corresponding period according to the value of Np, and then traverses the mask elements in the set, and judges according to the following manner. :

CQI_PMI_MASK_SET[i] & CqiPmiBitMap[160] = CQI_PMI_MASK_SET[i] where i is the index of the element in the mask set.

If i is found to satisfy the above judgment condition, CQI_PMI_RES_SET[i] is the transmission timing that needs to be adjusted, and the adjusted transmission timing is configured to the UE;

If the i that meets the above conditions is not found, it indicates that the resources of the optimal period have been exhausted. In order to maximize the user experience, the RRM adjusts the trend direction of the CMAC from the recommended trend period. When assigned to the sub-optimal period, the RRM will determine the trend direction of the period adjustment according to the optimal period of the CMAC and the current period of the user. If the optimal period has no resources, it searches from the period closest to the optimal period. The timing of the transmission timing, the period that conforms to the trend adjustment trend direction, and the closest to the optimal period is called the suboptimal period. For example: The original UE CQI/PMI transmission period is 80 milliseconds, the CMAC is recommended to be adjusted to 5 milliseconds, and the 5 milliseconds corresponding resources are exhausted. Then, 10 milliseconds is the suboptimal period, and the i that satisfies the condition is searched from the suboptimal period. If found, the transmission timing is configured to the UE, and if the conditional i is not found, the resource of the suboptimal period is used. When it is done, the UE is not adjusted for the CQI/PMI transmission timing, and the flow ends.

Preferably, the preset resource bitmap is: a resource bitmap configured by the network side to identify a resource occupation according to a maximum reporting period.

In the technical solution of the embodiment, the resource bitmap is a CQI/PMI resource bitmap CqiPmiBitMap[160] that the RRM needs to maintain according to the maximum period of 160 milliseconds, indicating that there are 160 bits, which are used to identify the occupancy of the resource.

The foregoing is a transmission timing resource allocation embodiment of the CQI/PMI, and the present invention also specifically specifies a specific implementation of the SR transmission timing resource allocation.

FIG. 4 is a schematic diagram of PUCCH SR transmission timing initialization after a cell is successfully established according to an embodiment of the present invention.

Referring to FIG. 4, after the cell is successfully established, the RRM initializes the PUCCH SR transmission timing: Step 401: The RRM initializes the cell SR mask set and the transmission timing resource set, that is, the good mask set and the transmission timing resource set correspond, that is, the RRM is After the cell is successfully established, the transmission timing mask sets of the SR periods are respectively generated according to the uplink and downlink slot ratio parameters:

SR-MASK-SET1,

SR—MASK—SET2...

SR_MASK_SET5 corresponds to 5, 10, 20, 40, and 80 milliseconds, respectively.

For example, SR_MASK_SET3 has 8 mask elements respectively.

b b0010...10...10...10...» 0 bOOlO...10...10...10... » 1 ,

bOOlO.. .10.. .10.. .10.. . » 5 ,

bOOlO.. .10.. .10.. .10.. .»6,

bOOlO.. .10.. .10.. .10.. ."10,

bOOlO.. .10.. .10.. .10.. ..〉〉11

bOOlO.. .10.. .10.. .10.. . » 15 ,

bOOlO.. .10.. .10.. .10.. . » 16}

Wherein, the prefix b represents binary, the first three ellipses of the first element indicate that 18 zeros are omitted, and the last one ellipsis indicates that 16 zeros are omitted, and the next seven elements are logically shifted right by the first element. Obtained, in the same way, a set of masks corresponding to other periods can be obtained.

After determining the set of masks for the transmission opportunity, it is also necessary to determine the resource sets SR_RES_SET1, SR_RES_SET2...SR_RES_SET5 corresponding to the transmission timing, corresponding to 5, 10, 20, 40, and 80 milliseconds, respectively. For example: The eight resource elements of SR_RES_SET3 are 17, 18, 22, 23, 27, 28, 32, and 33, respectively, corresponding to the elements in the mask set.

Step 402: The UE initiates an access procedure, and the RRM allocates an initial SR sending opportunity resource to the UE according to the initial period, and the process ends.

FIG. 5 is a schematic diagram of dynamic management of PUCCH SR resources according to an embodiment of the present invention. See Figure 5:

Step 501: The CMAC determines whether the UE channel condition timing arrives. If yes, go to step 502. Otherwise, continue to wait for the judgment opportunity;

Step 502: The CMAC determines whether the SR period needs to be modified. If necessary, go to step 503, otherwise the process ends.

Step 503: The CMAC reports the optimal period for sending the SR to the RRM.

Step 504: The RRM is based on the optimal period reported by the CMAC, the index mask set and the transmission timing resource set, and determines whether there is an idle resource, if yes, go to step 506, otherwise go to step 505; Step 505: The RRM indexes the sub-optimal period according to the optimal period and the current period, and according to the sub-optimal period index mask set and the sending timing resource set, and determines whether there is an idle resource. If there is a step 506, the process ends.

Step 506: The RRM configures the searched transmission timing to the UE.

At the end of the process, the dynamic configuration of the UE SR transmission timing is completed through CMAC and RRM cooperation.

FIG. 6 is a schematic diagram of main structures of a transmission timing resource allocation apparatus according to an embodiment of the present invention. Referring to FIG. 6, the sending opportunity resource allocation device includes:

The generating module 62 is configured to generate, according to the uplink and downlink slot allocation parameter, a transmission timing mask set of the uplink control information supporting the PUCCH in each period, and a sending timing resource set corresponding to the sending timing mask set;

The obtaining module 64 is configured to obtain, in the sending timing mask set, a sending opportunity mask corresponding to the first period according to the first reporting period of the access UE;

The allocating module 66 is configured to allocate, to the UE, a transmission opportunity resource corresponding to the transmission timing mask in the transmission timing resource set.

Preferably, the transmission timing resource allocation apparatus further includes: a detection module, the detection module is not shown in FIG. 6, and is configured to detect a radio link status of the UE, and obtain a detection result;

The first setting module is configured to set an initial reporting period of the UE to a first reporting period when the detection result meets the first preset condition, where the first setting module is not shown in FIG. 6.

Preferably, the sending timing resource allocation device further includes: a receiving module, an indexing module, a comparison module, and a second setting module, which are not shown in FIG. 6;

a receiving module, configured to receive an optimal period reported by the CMAC;

An indexing module, configured to send a set of timing masks and a set of sending timing resources according to a value index of the optimal period, and obtain a first sending opportunity resource;

a comparison module, configured to compare the first transmission timing resource with a preset resource bitmap, to obtain First comparison result;

The second setting module is configured to set the optimal period to the first reporting period when the comparison result is that the first sending timing resource is an idle resource.

Preferably, the sending opportunity resource allocating device further comprises: a configuration module, configured to identify a resource bitmap of the resource occupation according to the maximum uplink configuration. This module is not shown in Figure 6.

The present invention also provides an LTE mobile communication system including the above-described transmission opportunity resource allocation means.

It can be found that, through the above technical solution, the dynamic management of the uplink control information transmission timing of the user PUCCH is realized, and the flexibility of resource management is improved; at the same time, the capability of the UE to adapt to the complex change of the wireless link condition is improved, due to the periodic dynamics Adjustment, the user can respond to the base station faster under the condition of poor radio link, so that the base station can perform frequency selection scheduling for the user, and the user can respond to the base station with a large period under the condition of good radio link, and the cell is guaranteed. User capacity. In particular, the suboptimal cycle is used as an auxiliary means of the optimal cycle to ensure the user's service quality and the utilization of resources as much as possible.

Claims

Claim

A method for allocating a transmission opportunity resource, characterized in that the method comprises:

The network side generates, according to the uplink and downlink time slot matching parameter, uplink control information supporting the physical uplink control channel PUCCH, a transmission timing mask set of all reporting periods defined in the uplink control information UCI reporting periodic protocol, and generating and transmitting the timing a set of transmission timing resources corresponding to the mask set;

And the network side acquires a sending opportunity mask corresponding to the first reporting period according to the first reporting period of the access user equipment UE in the sending opportunity mask set;

The network side allocates, to the UE, a transmission opportunity resource corresponding to the transmission opportunity mask in the transmission timing resource set.

The resource allocation method according to claim 1, wherein the network side acquires a transmission corresponding to the first reporting period in the sending opportunity mask set according to a reporting period of the access UE. Before the time mask, the method further includes:

The resource allocation method according to claim 2, wherein when the detection result satisfies the second preset condition, the method further includes:

The network side receives the optimal period reported by the media access control CMAC layer, and indexes the sending opportunity mask set and the sending timing resource set according to the value of the optimal period, and obtains the first sending opportunity resource;

The network side compares the first sending opportunity resource with a preset resource bitmap to obtain a first comparison result;

When the first comparison result is the first transmission opportunity resource idle resource, the optimal period is set as the first reporting period.

The resource allocation method according to claim 3, wherein the preset resource bitmap is:

A resource bitmap configured by the network side to identify the resource occupancy according to the maximum reporting period.

The resource allocation method according to claim 3, wherein, when the first comparison result is that the first transmission timing resource is occupied, the method further includes:

Determining, by the network side, a trend direction of the reporting period adjustment according to the optimal period and the initial reporting period;

And determining, according to the trend direction of the reporting period, a period closest to the optimal period as a sub-optimal period;

The network side indexes the sending opportunity mask set and the sending timing resource set according to the value of the sub-optimal period, and obtains a second sending opportunity resource;

Comparing the second sending opportunity resource with the preset resource bitmap to obtain a second comparison result;

When the second comparison result is that the second transmission timing resource is idle, the suboptimal period is set to the first reporting period.

A transmission timing resource allocation apparatus, characterized in that the apparatus comprises:

a generating module, configured to generate, according to an uplink and downlink time slot matching parameter, uplink control information that supports the PUCCH, a sending opportunity mask set of all reporting periods defined in the UCI reporting periodic protocol, and generate and correspond to the sending opportunity mask set a collection of transmission timing resources;

An acquiring module, configured to acquire, in the sending timing mask set, a sending opportunity mask corresponding to the first period according to a first reporting period of the access UE;

7. The transmission timing resource allocation device according to claim 6, wherein the device Also includes:

a detecting module, configured to detect a radio link status of the UE, and obtain a detection result; a first setting module, configured to: when the detection result meets a first preset condition, set an initial reporting period of the UE For the first reporting period.

8. The device according to claim 7, wherein the device further comprises:

An indexing module, configured to index the sending opportunity mask set and the sending timing resource set according to the value of the optimal period, and obtain a first sending opportunity resource;

a comparison module, configured to compare the first sending opportunity resource with a preset resource bitmap to obtain a first comparison result;

And a second setting module, configured to: when the comparison result is the first transmission opportunity resource idle resource, set the optimal period to the first reporting period.

9. The device according to claim 6, wherein the device further comprises:

A configuration module, configured to allocate a resource bitmap according to a maximum reporting period to identify resource usage.

10. An LTE mobile communication system, characterized in that the system comprises the transmission opportunity resource allocation device according to any one of claims 6-9.