CN107306412B - Method, user equipment and base station for realizing reliable transmission of message - Google Patents

Method, user equipment and base station for realizing reliable transmission of message Download PDF

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Publication number
CN107306412B
CN107306412B CN201610262509.2A CN201610262509A CN107306412B CN 107306412 B CN107306412 B CN 107306412B CN 201610262509 A CN201610262509 A CN 201610262509A CN 107306412 B CN107306412 B CN 107306412B
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resource pool
load information
monitored
resource
base station
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CN107306412A (en
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李维娜
姜春霞
周欣
池连刚
吕征南
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Potevio Information Technology Co Ltd
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Potevio Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to a method, user equipment and a base station for realizing reliable transmission of messages, wherein the base station can timely acquire the load rate in each resource pool by acquiring the load information of the resource pool and reporting the load information to the base station, so that the resources in each resource pool can be adjusted according to the load rate of each resource pool to reduce resource conflicts.

Description

Method, user equipment and base station for realizing reliable transmission of message
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a user equipment, and a base station for implementing reliable message transmission.
Background
V2X (Vehicle to X), namely information exchange between a Vehicle and the outside, is a key technology of a future intelligent transportation system. V2X was approved at 3GPP RAN #68 conference, mainly studying vehicle data transmission schemes based on 3GPP communication protocols. V2X communication includes V2V communication (vehicle-to-vehicle communication), V2I communication (vehicle-to-roadside infrastructure communication), and V2P communication (vehicle-to-pedestrian communication). The application of V2X will improve driving safety, reduce congestion and vehicle energy consumption, improve traffic efficiency and vehicle-mounted entertainment information, etc.
V2X communication has two resource scheduling modes-base station centralized scheduling and user equipment autonomous resource selection. For the user equipment autonomous resource selection mode, the user equipment does not need to apply for resources to the network first, time-frequency resources can be randomly selected from a sending resource pool pre-configured by the network autonomously, and the network side cannot sense the use condition of each resource pool.
However, as the number of users selecting autonomous resources increases (such as in a vehicle congestion scenario), resource contention among the user equipments is increased, and the probability of resource collision among the user equipments (i.e. multiple users selecting the same time-frequency resource) is also increased. Once the data conflicts, the data of the user cannot be reliably received, which may bring adverse effects to driving safety.
Disclosure of Invention
An object of the present invention is to provide a method, a user equipment and a base station for implementing reliable transmission of a message, so that the base station can sense loads of resource pools in time, so that the base station can adjust resources in the resource pools according to the loads of the resource pools, thereby reducing the probability of resource collision.
In a first aspect, the present invention provides a method for implementing reliable transmission of a message, which is used in a V2X network, and includes:
acquiring load information of a resource pool to be monitored in an autonomous resource selection mode; the load information is used for indicating the load rate of the corresponding resource pool;
and reporting the obtained load information to a base station.
Further, before obtaining the load information of the resource pool to be monitored, the method further includes:
receiving indication information of a resource pool to be monitored, which is sent by a base station; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored;
determining a resource pool to be monitored according to the indication information of the resource pool to be monitored;
and/or before reporting the acquired load information to the base station, the method further comprises:
receiving a reporting threshold value sent by a base station;
the reporting of the acquired load information to the base station includes:
and judging whether the acquired load information meets the reporting threshold value, and reporting the acquired load information to the base station when the acquired load information is judged to be yes.
Further, the acquiring load information of the resource pool to be monitored specifically includes:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
In a second aspect, the present invention provides a method for implementing reliable message transmission, which is used in a V2X network, and includes:
receiving load information sent by user equipment aiming at a resource pool needing to be monitored; the load information is used for indicating the load rate of the corresponding resource pool;
and adjusting resources of the resource pool to be monitored according to the received load information so as to reduce resource conflict.
Further, the method further comprises:
sending indication information of a resource pool to be monitored to user equipment; and/or sending a reporting threshold value to the user equipment; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored, and the reporting threshold is used for indicating the condition that the user equipment needs to send the load information to the base station.
In a third aspect, the present invention provides a user equipment for use in a V2X network, the user equipment comprising:
the monitoring module is used for acquiring the load information of the resource pool to be monitored in an autonomous resource selection mode;
and the reporting module is used for reporting the acquired load information to the base station.
Further, the method also comprises the following steps:
the first receiving module is used for receiving indication information of the resource pool to be monitored, which is sent by the base station, before the monitoring module acquires the load information of the resource pool to be monitored; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored; determining a resource pool to be monitored according to the indication information of the resource pool to be monitored;
and/or the presence of a gas in the gas,
a second receiving module, configured to receive a reporting threshold sent by the base station before the reporting module reports the acquired load information to the base station;
the reporting module is configured to report the obtained load information to a base station, and includes:
and judging whether the acquired load information meets the reporting threshold value, and reporting the acquired load information to the base station when the acquired load information is judged to be yes.
Further, the monitoring module is configured to acquire load information of a resource pool to be monitored, and the acquiring includes:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
In a fourth aspect, the present invention provides a base station, for use in a V2X network, including:
the receiving module is used for receiving load information sent by user equipment aiming at a resource pool needing to be monitored;
and the adjusting module is used for adjusting resources of the resource pool to be monitored according to the received load information so as to reduce resource conflict.
Further, the method also comprises the following steps:
the first sending module is used for sending the indication information of the resource pool to be monitored to the user equipment; and/or, the second sending module is used for sending the reporting threshold value to the user equipment; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored, and the reporting threshold is used for indicating the condition that the user equipment needs to send the load information to the base station.
In the invention, the base station can timely acquire the load rate in each resource pool by acquiring the load information of the resource pools and reporting the load information to the base station, so that the resources in each resource pool can be adjusted according to the load rate of each resource pool to reduce resource conflicts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for implementing reliable message transmission according to a first aspect of the present invention;
fig. 2 is a schematic flow chart illustrating a second aspect of the present invention for reliable message transmission;
fig. 3 is a schematic structural diagram of a user equipment according to a third aspect of the present invention;
fig. 4 is a schematic structural diagram of a base station according to a fourth aspect of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first aspect, the present invention provides a method for implementing reliable message transmission, where the method is used in a V2X network, and the method may be executed by a user equipment, and referring to fig. 1, the method may specifically include:
step S11, acquiring the load information of the resource pool to be monitored in an autonomous resource selection mode; the load information is used for indicating the load rate of the corresponding resource pool.
And step S12, reporting the acquired load information to the base station.
By the method, the base station can timely acquire the load rate in each resource pool, so that the resources in each resource pool can be adjusted according to the load rate of each resource pool, and resource conflict is reduced.
In practical implementation, the load information herein may refer to any information that can be used to indicate a load rate; for example, the load factor itself may be used, or the load factor may be multiplied by 100 to obtain a value representing the load factor within 1 to 100.
It is understood that if a ue needs to monitor a resource pool, and the base station determines in advance which resource pool such resource pool is; in step S12, the obtained load information may be directly reported to the base station. The base station may determine from the identity of the user equipment that sent the load information that the load information is for that resource pool. If a ue needs to monitor a resource pool, the load information reported by each resource pool should enable the base station to determine the corresponding relationship between the load and the resource pool. For example, the load information of each resource pool may be sorted according to a preset order, so that the substrate may sort and determine to which resource pool each load information is directed.
In a specific implementation, in an autonomous resource selection manner, the time for acquiring the load information of the resource pool to be monitored is not limited in the present invention, for example, a preset period T may be set, and when each period T comes, the load information of the resource pool to be monitored is acquired, or when a resource conflict event is (continuously) detected, the load information of the resource pool to be monitored may be acquired.
The resource pool referred by the invention is a sidelink resource pool, which is the type of the resource pool used by the user equipment in an autonomous resource selection mode.
As an optional implementation manner, in step S11, the process of acquiring load information of the resource pool to be monitored may specifically include the following steps:
step S111, continuously measuring the energy PRB _ Rx _ Power of each resource block (PRB) on each subframe in the resource pool as soon as possible corresponding to the resource pool i.
In the process, the user equipment can monitor the energy (power) of each resource block (PRB) on each subframe in the resource pool only without demodulating each resource block in the resource pool, so that the complexity of measurement can be reduced.
Step S112, if the energy PRB _ Rx _ Power corresponding to a certain resource block exceeds a predefined threshold, marking the PRB as 1, otherwise, marking the PRB as 0;
step S113, accumulating the number of all PRBs Marked as 1 in the resource pool i (within a statistical period T), and marking as Marked _ PRB _ Num; accumulating the number of all available PRBs in the resource pool i (within a statistical period T), and recording as Availbale _ PRB _ Num;
step S114, the load assessment value of the resource pool i (within one statistical period T) is counted as:
Figure BDA0000973575480000061
the load estimation value here can be regarded as load information, and its value is in the range of 0-100. The load acquired in this way can use the use condition of resources in the resource pool better. And setting the load information to 0-100 can reduce the number of bytes occupied by the load information in step S12, thereby reducing the network resources required to be consumed.
Certainly, in the specific implementation, the step S11 may also be implemented in other manners, and on the premise that the resource usage rate of the resource pool can be obtained, how to implement the step S11 specifically does not affect the protection scope of the present invention.
As still another alternative, the step S12 may be implemented as follows: and carrying the acquired load information in a radio resource control message and sending the radio resource control message to the base station.
By carrying the conflict indication information in the radio resource control message, the message mechanism of the radio resource control message can be well utilized, and the corresponding design difficulty is reduced.
Of course, in specific implementation, the load information may also be carried in other messages, such as MAC messages, and sent to the base station, and specifically, how to send the load information to the base station does not affect the implementation of the present invention.
As still another alternative, before step S11, the method may further include:
receiving indication information of a resource pool to be monitored, which is sent by a base station; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored; and determining the resource pool to be monitored according to the indication information of the resource pool to be monitored.
By the method, the base station can designate the resource pool which needs to be monitored by each user equipment, and the situation that the resource pool is not monitored or the number of the user equipment which monitors the resource pool is too small is avoided. In practical application, the ue may also determine the resource pool to be monitored by itself, instead of determining the resource pool to be monitored according to the indication of the base station.
As still another alternative, before step S12, the method may further include:
receiving a reporting threshold value sent by a base station;
at this time, step S12 herein may specifically include:
and judging whether the acquired load information meets the reporting threshold value, and reporting the acquired load information to the base station when the acquired load information is judged to be yes.
In general, if the load corresponding to a resource pool is low, it indicates that resources in the resource pool do not need to be increased, and it also does not need to schedule the user equipment corresponding to the resource pool, and if the load information corresponding to the resource pool is reported, meaningless resource waste is caused. The occurrence of such a situation can be well avoided by the optional implementation provided by the present invention.
It will be appreciated that, in implementation, the various alternative embodiments described above do not affect each other, and the method described above may be performed according to one or any of the various alternative embodiments described above. The corresponding technical solutions should fall within the protection scope of the present invention.
In a second aspect, the present invention also provides another method for implementing reliable transmission of messages, which is used in a V2X network and can be performed by a base station, and referring to fig. 2, the method includes:
step S21, receiving load information sent by the user equipment aiming at the resource pool needing to be monitored;
step S22, performing resource adjustment on the resource pool to be monitored according to the received load information, so as to reduce resource conflicts.
By the scheme, the resource pool to be monitored can be adjusted in time, so that resource conflicts are reduced, and reliable transmission of messages among user equipment is realized.
As an optional implementation, the method may further include:
sending indication information of a resource pool to be monitored to user equipment; and the resource pool indication information to be monitored is used for indicating the resource pool to be monitored.
By the method, the base station can designate the resource pool which needs to be monitored by each user equipment, and the situation that the resource pool is not monitored or the number of the user equipment which monitors the resource pool is too small is avoided. In practical application, the ue may also determine the resource pool to be monitored by itself, instead of determining the resource pool to be monitored according to the indication of the base station.
As still another alternative, the method may further include:
sending a reporting threshold value to user equipment; the reporting threshold is used for indicating the condition that the user equipment needs to send the load information to the base station.
In general, if the load corresponding to a resource pool is low, it indicates that resources in the resource pool do not need to be increased, and it also does not need to schedule the user equipment corresponding to the resource pool, and if the load information corresponding to the resource pool is reported, meaningless resource waste is caused. The occurrence of such a situation can be well avoided by the optional implementation provided by the present invention.
In specific implementation, in step S22, for a resource pool with a high load, the adjustment may be performed in the following manner to reduce the probability of resource collision in the resource pool:
when the relay can be realized through the Uu port, part of the user equipment is migrated from the PC5 port to the Uu port to relieve the load of the sidelink resource pool, or the time-frequency resource of the resource pool is increased, and the like, so that the reliable transmission of the V2X message is effectively ensured. Or in specific implementation, the load of each resource pool can be balanced according to the load condition of each resource pool.
It will be appreciated that, in implementation, the various alternative embodiments described above do not affect each other, and the method described above may be performed according to one or any of the various alternative embodiments described above. The corresponding technical solutions should fall within the protection scope of the present invention.
In a third aspect, the present invention provides a user equipment, used in a V2X network, and configured to perform the method of the first aspect, where the user equipment includes:
the monitoring module 31 is configured to obtain load information of a resource pool to be monitored in an autonomous resource selection manner;
and a reporting module 32, configured to report the obtained load information to the base station.
Further, the method also comprises the following steps:
a first receiving module, configured to receive indication information of a resource pool to be monitored, sent by a base station, before the monitoring module 31 obtains load information of the resource pool to be monitored; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored; determining a resource pool to be monitored according to the indication information of the resource pool to be monitored;
and/or the presence of a gas in the gas,
a second receiving module, configured to receive a reporting threshold sent by the base station before the reporting module 32 reports the obtained load information to the base station;
the reporting module 32 is configured to report the obtained load information to the base station, and includes:
and judging whether the acquired load information meets the reporting threshold value, and reporting the acquired load information to the base station when the acquired load information is judged to be yes.
Further, the reporting module 32 is configured to report the obtained load information to the base station, and specifically includes:
and carrying the acquired load information in a radio resource control message and sending the radio resource control message to the base station.
Further, the monitoring module 31 is configured to acquire load information of a resource pool to be monitored, and includes:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
It is to be understood that, since the ue described in the third aspect is a device for implementing the reliable message transmission provided in the first aspect, a specific implementation manner of the ue of the third aspect and various modifications thereof can be known to those skilled in the art based on the reliable message transmission implemented in the first aspect of the present invention, and thus, a detailed description of how the ue implements the reliable message transmission implemented in the first aspect is omitted here. It is within the scope of the present application to implement the apparatus employed in the first aspect of the present invention to realize reliable transmission of messages by those skilled in the art.
In a fourth aspect, the present invention provides a base station, configured in a V2X network, and configured to perform the method according to the second aspect, and referring to fig. 4, the base station includes:
a receiving module 41, configured to receive load information sent by a user equipment for a resource pool to be monitored;
and the adjusting module 42 is configured to perform resource adjustment on the resource pool to be monitored according to the received load information, so as to reduce resource conflicts.
Further, the method also comprises the following steps:
the first sending module is used for sending the indication information of the resource pool to be monitored to the user equipment; and/or, the second sending module is used for sending the reporting threshold value to the user equipment; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored, and the reporting threshold is used for indicating the condition that the user equipment needs to send the load information to the base station.
It is to be understood that, since the base station described in the fourth aspect is a device for implementing the reliable message transmission provided in the second aspect, a specific implementation manner of the base station of the fourth aspect and various variations thereof can be understood by those skilled in the art based on the device for implementing the reliable message transmission described in the first aspect of the present invention, so that a detailed description of how the base station implements the reliable message transmission in the second aspect is omitted here. It is within the scope of the present application to implement the apparatus employed in the second aspect of the present invention to realize reliable message transmission.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

Claims (4)

1. A method for reliable message transmission, for use in a V2X network, the method comprising:
acquiring load information of a resource pool to be monitored in an autonomous resource selection mode; the load information is used for indicating the load rate of the corresponding resource pool;
reporting the obtained load information to a base station; the base station adjusts the resource of the resource pool to be monitored according to the load information so as to reduce resource conflict; the resource adjustment mode is to migrate part of the user equipment from the port PC5 to the port Uu;
before the obtaining of the load information of the resource pool to be monitored, the method further includes:
receiving indication information of a resource pool to be monitored, which is sent by a base station; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored;
determining a resource pool to be monitored according to the indication information of the resource pool to be monitored;
and/or before reporting the acquired load information to the base station, the method further comprises:
receiving a reporting threshold value sent by a base station;
the reporting of the acquired load information to the base station includes:
judging whether the obtained load information meets the reporting threshold value or not, and reporting the obtained load information to a base station when the obtained load information is judged to be yes;
the acquiring load information of the resource pool to be monitored specifically includes:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
2. A method for realizing reliable transmission of messages, which is used in a V2X network and comprises the following steps:
receiving load information sent by user equipment aiming at a resource pool needing to be monitored; the load information is used for indicating the load rate of the corresponding resource pool;
according to the received load information, resource adjustment is carried out on a resource pool needing to be monitored so as to reduce resource conflict; the resource adjustment mode is to migrate part of the user equipment from the port PC5 to the port Uu;
the method further comprises the following steps:
sending indication information of a resource pool to be monitored to user equipment; and/or sending a reporting threshold value to the user equipment; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored, and the reporting threshold is used for indicating the condition that the user equipment needs to send load information to the base station;
the load information is determined by the user equipment by:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
3. A user equipment, for use in a V2X network, the user equipment comprising:
the monitoring module is used for acquiring the load information of the resource pool to be monitored in an autonomous resource selection mode;
a reporting module, configured to report the obtained load information to a base station; the base station adjusts the resource of the resource pool to be monitored according to the load information so as to reduce resource conflict; the resource adjustment mode is to migrate part of the user equipment from the port PC5 to the port Uu;
further comprising:
the first receiving module is used for receiving indication information of the resource pool to be monitored, which is sent by the base station, before the monitoring module acquires the load information of the resource pool to be monitored; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored; determining a resource pool to be monitored according to the indication information of the resource pool to be monitored;
and/or the presence of a gas in the gas,
a second receiving module, configured to receive a reporting threshold sent by the base station before the reporting module reports the acquired load information to the base station;
the reporting module is configured to report the obtained load information to a base station, and includes:
judging whether the obtained load information meets the reporting threshold value or not, and reporting the obtained load information to a base station when the obtained load information is judged to be yes;
the monitoring module is configured to acquire load information of a resource pool to be monitored, and the acquiring includes:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
4. A base station for use in a V2X network, comprising:
the receiving module is used for receiving load information sent by user equipment aiming at a resource pool needing to be monitored;
the adjusting module is used for adjusting resources of the resource pool to be monitored according to the received load information so as to reduce resource conflicts; the resource adjustment mode is to migrate part of the user equipment from the port PC5 to the port Uu;
further comprising:
the first sending module is used for sending the indication information of the resource pool to be monitored to the user equipment; and/or, the second sending module is used for sending the reporting threshold value to the user equipment; the resource pool indication information to be monitored is used for indicating the resource pool to be monitored, and the reporting threshold is used for indicating the condition that the user equipment needs to send load information to the base station;
the load information is determined by the user equipment by:
acquiring the energy value of each resource block in the resource pool;
acquiring the proportion of resource blocks with energy values exceeding a preset threshold;
and generating load information according to the acquired proportion.
CN201610262509.2A 2016-04-25 2016-04-25 Method, user equipment and base station for realizing reliable transmission of message Expired - Fee Related CN107306412B (en)

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