CN110831014B - Wireless network coverage control method and network side equipment - Google Patents
Wireless network coverage control method and network side equipment Download PDFInfo
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- CN110831014B CN110831014B CN201810915689.9A CN201810915689A CN110831014B CN 110831014 B CN110831014 B CN 110831014B CN 201810915689 A CN201810915689 A CN 201810915689A CN 110831014 B CN110831014 B CN 110831014B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a wireless network coverage control method and network side equipment, wherein the wireless network coverage control method comprises the following steps: determining a transmitting power type currently supported by a terminal, determining a coverage enhancement grade which can be provided by a network side for the terminal according to the transmitting power type, determining a coverage enhancement grade signed by the terminal and a position where the terminal is located, and providing service for the terminal according to the coverage enhancement grade signed by the terminal, the position where the terminal is located and the coverage enhancement grade which can be provided by the network side for the terminal. The scheme of the invention can enable the network side to execute optimal scheduling and management aiming at the terminals with different transmitting power types under the same network planning coverage scene.
Description
Technical Field
The present invention relates to the field of mobile internet of things technologies, and in particular, to a wireless network coverage control method and a network side device.
Background
Coverage enhancement is a new capability proposed by the third Generation Partnership Project (3rd Generation Partnership Project, 3GPP) in R13 cellular-based narrowband Internet of Things (NB-IoT) and enhanced Machine Type Communication (eMTC). In popular terms, coverage enhancement is that the coverage of a single cell or a single base station is wider, and the coverage distance is longer. According to the 3GPP protocol, NB-IoT coverage is as far as the Minimum Coupling Loss (MCL) is equal to 164dBm, and Global System for Mobile communication (GSM) coverage is as far as MCL is equal to 144dBm, i.e. NB-IoT can achieve about 20dB coverage enhancement compared to GSM. Meanwhile, the eMTC can achieve 5-15 dB coverage enhancement compared with the GSM.
According to the requirement of low power consumption of mobile internet of things service, the 3GPP R13 protocol defines two internet of things terminals with different transmitting powers of 23dBm and 20dBm, and the 3GPP R14 protocol defines three internet of things terminals with different transmitting powers of 23dBm, 20dBm and 14 dBm. The terminal with the transmitting power of 14dBm is more suitable for the excellent point and the good point covered by NB-IoT and eMTC, the terminal with the transmitting power of 20dBm can normally work at the excellent point, the good point and the bad point covered by NB-IoT and eMTC, and the terminal with the transmitting power of 23dBm is suitable for the excellent point and the good point covered by NB-IoT and eMTC and is also suitable for the coverage scenes such as the bad point and the bad point.
Because the transmission power of the terminals in the coverage area of the base station may be different under the same network planning coverage scene, that is, under the premise that the base station sets the same transmission power, it cannot be ensured that the terminals of multiple transmission power types can be optimally scheduled and managed. For example, in an NB-IoT coverage scenario, if a terminal with a transmit power of 23dBm operates normally at an MCL equal to 164dBm, the coverage planning may be performed, and a terminal with two transmit power types of 20dBm and 14dBm may be optimally scheduled and managed in different coverage areas, for example, when the terminal with two transmit power types of 20dBm and 14dBm moves to the edge of a coverage area, the terminal may not operate normally, and the terminal may not obtain related information.
Disclosure of Invention
The embodiment of the invention provides a wireless network coverage control method and network side equipment, which are used for solving the problem that optimal scheduling and management of terminals with various transmitting power types can not be guaranteed under the same network planning coverage scene in the prior art.
In a first aspect, an embodiment of the present invention provides a wireless network coverage control method, applied to a network side device, including:
determining the type of transmitting power currently supported by the terminal;
determining a coverage enhancement level which can be provided by a network side for the terminal according to the transmitting power type;
determining a coverage enhancement grade signed by the terminal and a position of the terminal;
and providing service for the terminal according to the coverage enhancement level signed by the terminal, the position of the terminal and the coverage enhancement level which can be provided for the terminal by the network side.
In a second aspect, an embodiment of the present invention further provides a network-side device, including a processor;
the processor is configured to determine a transmit power type currently supported by a terminal, determine a coverage enhancement level that a network side can provide for the terminal according to the transmit power type, determine a coverage enhancement level subscribed by the terminal and a location where the terminal is located, and provide a service for the terminal according to the coverage enhancement level subscribed by the terminal, the location where the terminal is located, and the coverage enhancement level that the network side can provide for the terminal.
In a third aspect, an embodiment of the present invention further provides a network-side device, which includes a memory, a processor, and a computer program that is stored in the memory and is executable on the processor, where the computer program implements the steps of the foregoing wireless network coverage control method when executed by the processor.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the above-mentioned wireless network coverage control method.
In the embodiment of the invention, the optimal scheduling and management can be executed by the network side aiming at the terminals with different transmitting power types under the same network planning coverage scene by determining the transmitting power type currently supported by the terminal, determining the coverage enhancement grade which can be provided by the network side for the terminal according to the transmitting power type, determining the coverage enhancement grade signed by the terminal and the position of the terminal, and providing service for the terminal according to the coverage enhancement grade signed by the terminal, the position of the terminal and the coverage enhancement grade which can be provided by the network side for the terminal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a flowchart of a method for controlling wireless network coverage according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a network-side device according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a network-side device according to an embodiment of the present invention.
Detailed Description
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, 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.
Referring to fig. 1, an embodiment of the present invention provides a method for controlling coverage of a wireless network, which is applied to a network device, and includes the following steps:
step 101: the type of transmit power currently supported by the terminal is determined.
In the embodiment of the present invention, the transmission power corresponding to the currently supported transmission power type of the terminal may be 14dBm, 20dBm, or 23 dBm. When the current transmission power type supported by the terminal is determined, the network side equipment can judge and obtain the current transmission power type supported by the terminal according to the transmission power type information reported by the terminal and the transmission power margin information of the terminal. For example, if the transmit power type information reported by the terminal indicates that the transmit power of the terminal is 23dBm, and the transmit power margin information of the terminal indicates that the transmit power margin of the terminal is 4dBm, it may be determined that the actual transmit power of the terminal is 19dBm, and it may be determined that the transmit power type currently supported by the terminal is 14 dBm.
It should be noted that when the terminal reports the transmission power type information, in a scenario where the terminal is installed and ready to be powered on and registered, after receiving a terminal capability request message sent by the network side device, the terminal capability response message may report the information of the transmission power type and the like to the network side device. Further, for terminals with transmission power of 14dBm, 20dBm, and 23dBm, it can be distinguished by type 1, type 2, and type 3, for example, type 1 represents a terminal with transmission power of 14dBm, type 2 represents a terminal with transmission power of 20dBm, and type 3 represents a terminal with transmission power of 23 dBm. In order to save fields, when the terminal reports the transmit power type information, the terminal with the transmit power of 14dBm may be abbreviated as type 1, the terminal with the transmit power of 20dBm may be abbreviated as type 2, and the terminal with the transmit power of 23dBm may be abbreviated as type 3.
For the selection of the terminal transmitting power type, the vertical industry can comprehensively select three terminals with different transmitting power types of 14dBm, 20dBm and 23dBm according to the requirements of services on power consumption, covering capability and the like and by combining cost factors. For example, if 20dB coverage enhancement is required to be supported, a terminal with a transmit power of 23dBm needs to be selected; if the requirement is to support 15dB coverage enhancement, the terminal can be selected from terminals with the transmitting power of 20dBm and 23dBm, but the power consumption and the cost can be considered, the two terminals have certain cost difference, and the terminal with the transmitting power of 20dBm can be preferred; if it is required to support 10dB coverage enhancement, it can be selected from terminals with transmit powers of 14dBm, 20dBm and 23dBm, but it is possible to select a terminal with an optimal transmit power of 14dBm, possibly considering power consumption and cost issues.
Step 102: and determining the coverage enhancement grade which can be provided by the network side for the terminal according to the transmitting power type.
In the embodiment of the present invention, the network side may select different coverage enhancement levels according to the actual situation of the service deployment area, for example, the selected coverage enhancement levels may be 20dB, 15dB, 10dB, 5dB, and 0 dB. After determining the current transmission power type supported by the terminal, the network device may query the subscription capability information of the terminal from a Home Subscriber Server (HSS) according to the current transmission power type supported by the terminal, that is, the terminal capability, in combination with information such as a terminal number, and preliminarily determine a coverage enhancement level that the network side can provide for the terminal.
For example, if the levels of coverage enhancement available at the network side include 20dB, 15dB, 10dB, 5dB, and 0dB, then for a terminal currently supporting a transmit power type of 14dBm, the levels of coverage enhancement available at the network side for the terminal are 10dB, 5dB, and 0 dB; for a terminal with a currently supported transmit power type of 20dBm, the network side can provide the terminal with coverage enhancement levels of 15dB, 10dB, 5dB, and 0 dB; for a terminal currently supported with a transmit power type of 23dBm, the network side may provide the terminal with coverage enhancement levels of 20dB, 15dB, 10dB, 5dB, and 0 dB.
Step 103: and determining the coverage enhancement level signed by the terminal and the position of the terminal.
In the embodiment of the present invention, based on different coverage enhancement levels selected by the network side, a terminal user may select and sign a coverage enhancement level suitable for the terminal from different coverage enhancement levels, for example, coverage enhancement levels corresponding to different signal enhancement values such as 20dB, 15dB, 10dB, 5dB, 0dB, or coverage enhancement levels with other granularities set according to the network coverage condition, according to the network coverage condition of the terminal use place.
Specifically, the network operator may charge for differential service for different levels of coverage enhancement selected on the network side, e.g., different levels of coverage enhancement differentiated by 20dB, 15dB, 10dB, 5dB, 0dB, etc. The terminal user can select the optimal tariff package according to the service deployment scene so as to ensure the guaranteed coverage enhancement capability service. However, when selecting the package, the terminal user may also select the package by combining the transmission power of the network side device, e.g., the base station, and the transmission power of the terminal.
For example, if the network planning can be performed in an environment where the MCL is equal to 164dB as far as a terminal with a transmission power of 23dBm can operate normally, a terminal of 23dBm type can select a coverage enhancement level of 20dB, 15dB, 10dB, 5dB, or 0dB for subscription, a terminal of 20dBm type can select a coverage enhancement level of 15dB, 10dB, 5dB, or 0dB for subscription, and a terminal of 14dBm type can select a coverage enhancement level of 10dB, 5dB, or 0dB for subscription.
Step 104: and providing service for the terminal according to the coverage enhancement level signed by the terminal, the position of the terminal and the coverage enhancement level which can be provided for the terminal by the network side.
The wireless network coverage control method of the embodiment of the invention determines the coverage enhancement grade which can be provided by the network side for the terminal by determining the currently supported transmitting power type of the terminal according to the transmitting power type, determines the coverage enhancement grade signed by the terminal and the position of the terminal, provides service for the terminal according to the coverage enhancement grade signed by the terminal, the position of the terminal and the coverage enhancement grade which can be provided by the network side for the terminal, and can ensure that the network side can execute optimal scheduling and management on the terminals with different transmitting power types and signing capabilities under the same network planning coverage scene.
In the embodiment of the present invention, the network side device can at least divide the situation of providing service for the terminal into the following three situations according to the coverage enhancement level signed by the terminal, the location of the terminal, and the coverage enhancement level that the network side can provide for the terminal:
situation one
Case one pertains to normal traffic scheduling. In this case, the location of the terminal is located in a coverage enhancement area corresponding to the coverage enhancement level subscribed by the terminal, and is located in a coverage enhancement area corresponding to the highest coverage enhancement level among the coverage enhancement levels that the network side can provide for the terminal.
Specifically, step 104 may include:
and if the position of the terminal is in a coverage enhancement area corresponding to the coverage enhancement grade signed by the terminal and is in a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, providing the service capacity corresponding to the coverage enhancement grade signed by the terminal for the terminal.
Situation two
The second situation is that the coverage enhancement level signed by the terminal is insufficient, and the related service of the network side cannot be obtained. In this case, the terminal may normally search for the signal, but cannot successfully send the data service, and the location of the terminal exceeds the coverage enhancement area corresponding to the coverage enhancement level subscribed by the terminal, but is located in the coverage enhancement area corresponding to the highest coverage enhancement level among the coverage enhancement levels that the network side may provide for the terminal.
Specifically, in the second case, step 104 may include:
and if the position of the terminal exceeds a coverage enhancement area corresponding to the coverage enhancement level signed by the terminal but is positioned in the coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a first notification message to the terminal.
The first notification message is used for indicating that the coverage enhancement level signed by the terminal is insufficient and the related service of the network side cannot be acquired. In this case, when the terminal carries the self transmission power type information to initiate the registration request, the network side device may send a Radio Resource Control (RRC for short) release message to the terminal after querying the terminal subscription capability information, where the RRC release message carries Tariff and Tariff is equal to 0, and is used to indicate that the coverage enhancement level signed by the terminal is insufficient, and it is temporarily impossible to obtain the relevant coverage level service, and it may be supported by the party after the corresponding coverage enhancement suite is activated. And the terminal user can select whether to open the related additional service or not according to the actual requirement.
Situation three
Case three pertains to insufficient actual transmit power of the terminal. In this case, the terminal cannot normally register, and the location of the terminal exceeds the coverage enhancement area corresponding to the highest coverage enhancement level among the coverage enhancement levels that the network side can provide for the terminal.
Specifically, in case three, step 104 may include:
and if the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a second notification message to the terminal.
Wherein the second notification message is used for indicating that the terminal has insufficient transmission power.
Further, the process of sending the second notification message to the terminal by the network side device may be:
if the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, the network side equipment sets a timer for the terminal according to the type of the transmitting power and the type of the service currently supported by the terminal; if the period of the terminal sending the service data is M, the duration T of the timer set for the terminal may be: m is more than T and less than 2M;
when receiving service data sent by a terminal, the network side equipment starts the timer;
if the next service data sent by the terminal is not received when the timer is overtime, the network side equipment starts a paging search function and repeatedly performs paging for preset times by combining with the terminal transmitting power; the preset number of times may be, for example, less than or equal to the maximum number of repetitions of data transmission in a scenario with the highest coverage enhancement level among the coverage enhancement levels that the network side may provide to the terminal;
if the response of the terminal is not received within the preset time after the paging for the preset times, the network side equipment sends a second notification message to the terminal; in order to prevent the terminal user from being brought with too frequent prompt operation, the preset time can be set by combining a service scene and user experience; the second notification message can be sent to the terminal by a short message or other modes; the second notification message may, for example, optionally be a "this terminal failure" or similar statement for alerting the end user.
It should be noted that, when it is determined that a terminal failure, such as a coverage enhancement level of a terminal subscription, a terminal transmission power deficiency, and the like, may cause inoperability, the network side device may send a prompt message to the terminal management platform, where the prompt message may be used to indicate the terminal failure and a reason of the terminal failure, so that the terminal management platform sends a notification message (such as a short message) to a corresponding terminal, and the notification message may be used to notify a user of a current state of the terminal, so that the user may know the current state of the terminal.
In the following, the cases where the network side device provides services for the terminal in examples one to three are exemplified by taking 20dB, 15dB, 10dB, 5dB, and 0dB as different coverage enhancement levels.
Example one
As an example, the transmit power of terminal UE1 (i.e., the transmit power corresponding to the transmit power type currently supported by UE 1) is 14 dBm. Through the HSS query, base station 1 may determine that the network side may provide coverage enhancement levels for UE1 of 10dB, 5dB, and 0dB, with the highest coverage enhancement level of 10 dB. The location of the UE1 is P1.
Thus, if the coverage enhancement level subscribed by the UE1 is 10dB, when the P1 is within the coverage enhancement region corresponding to 10dB, the base station 1 may provide the UE1 with the service capability of coverage enhancement less than or equal to 10 dB; alternatively, when P1 exceeds the 10dB corresponding coverage enhancement region, base station 1 does not page UE1 for a period of time, which may indicate UE1 failure. Specifically, when the P1 exceeds the coverage enhancement area corresponding to 10dB, the base station 1 may set a timer T1 for the UE1 according to the transmission power type and the service type of the UE1, where M is greater than T1 and less than 2M, and M is a period for the UE1 to send service data; when receiving the service data sent by the UE1, the base station 1 starts T1; if the next service data sent by the UE1 is not received before the T1 is overtime, the base station 1 starts a paging search function when the T1 is overtime, and repeatedly performs n1 times of paging in combination with the transmitting power of the UE1, wherein n1 is less than or equal to the maximum repetition times of data transmission under the coverage enhancement scene of 10 dB; if the response of the UE1 is not received within the preset time after n1 times of paging, the base station 1 may send a notification message to the UE1 through the terminal management platform, indicating that the UE1 has failed and prompting the user that the UE1 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE1 is 5dB, when the P1 is within the coverage enhancement region corresponding to 5dB, the base station 1 may provide the UE1 with a service capability of coverage enhancement less than or equal to 5 dB; or when the P1 is in the coverage enhancement region corresponding to the coverage enhancement level greater than 5dB and less than 10dB, the base station 1 may indicate, through RRC release message, that the UE1 is temporarily unable to obtain the corresponding service due to the limited subscription coverage capability, and needs to activate the 10dB coverage enhancement capability; or, when the P1 exceeds the coverage enhancement area corresponding to 10dB, the base station 1 does not page the UE1 for a while, and may send a notification message to the UE1 through the terminal management platform, indicating that the UE1 is faulty and prompting the user that the UE1 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE1 is 0dB, when the P1 is within the coverage enhancement region corresponding to 0dB, the base station 1 may provide the UE1 with a service capability of coverage enhancement less than or equal to 0 dB; or when the P1 is located in the coverage enhancement region corresponding to the coverage enhancement level greater than 0dB and less than 10dB, the base station 1 may release the message by RRC to carry a cause value indicating that the UE1 needs to activate the coverage enhancement capability of 5dB or 10dB because the subscription coverage capability is limited and the corresponding service is temporarily unavailable; or, when the P1 exceeds the coverage enhancement area corresponding to 10dB, the base station 1 does not page the UE1 for a while, and may send a notification message to the UE1 through the terminal management platform, indicating that the UE1 is faulty and prompting the user that the UE1 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE1 is 20dB or 15dB, when the P1 is within the coverage enhancement region corresponding to 10dB, the base station 1 may provide the UE1 with the service capability of coverage enhancement less than or equal to 10 dB; or, when the P1 exceeds the coverage enhancement area corresponding to 10dB, the base station 1 does not page the UE1 for a while, and may send a notification message to the UE1 through the terminal management platform, indicating the UE1 to fail and prompting the user that the UE1 has insufficient transmission power.
Example two
In example two, the transmit power of the UE2 (i.e., the transmit power corresponding to the transmit power type currently supported by the UE 2) is 20 dBm. Through the HSS query, base station 2 may determine that the network side may provide coverage enhancement levels for UE2 of 15dB, 10dB, 5dB, and 0dB, with the highest coverage enhancement level of 15 dB. The location of the UE2 is P2.
Thus, if the coverage enhancement level subscribed by the UE2 is 15dB, the base station 2 may provide the UE2 with a service capability of coverage enhancement less than or equal to 15dB when the P2 is within the coverage enhancement region corresponding to 15 dB; alternatively, when P2 exceeds the 15dB corresponding coverage enhancement region, the base station 2 may not page the UE2 for a period of time, which may indicate a failure of the UE 2. Specifically, when the P2 exceeds the coverage enhancement area corresponding to 15dB, the base station 2 may set a timer T2 for the UE2 according to the UE2 transmission power type and the service type, where M is greater than T2 and less than 2M, and M is a period for the UE2 to send service data; when receiving the traffic data sent by the UE2, the base station 2 starts T2; if the next service data sent by the UE2 is not received before the T2 is overtime, the base station 2 starts a paging search function when the T2 is overtime, and repeatedly performs n2 times of paging in combination with the transmitting power of the UE2, wherein n2 is not more than 15dB of maximum repetition times of data transmission under a coverage enhancement scene; if the response of the UE2 is not received within the preset time after n2 times of paging, the base station 2 may send a notification message to the UE2 through the terminal management platform, indicating that the UE2 is faulty and prompting the user that the UE2 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE2 is 10dB, when the P2 is within the coverage enhancement region corresponding to 10dB, the base station 2 may provide the UE2 with a service capability of coverage enhancement less than or equal to 10 dB; or when the P2 is in the coverage enhancement region corresponding to the coverage enhancement level greater than 10dB and less than 15dB, the base station 2 may indicate, through RRC release message, that the UE2 is temporarily unable to acquire the corresponding service due to the limited subscription coverage capability, and needs to activate the 15dB coverage enhancement capability; or, when the P2 exceeds the coverage enhancement area corresponding to 15dB, the base station 2 does not page the UE2 for a while, and may send a notification message to the UE2 through the terminal management platform, indicating that the UE2 has failed and prompting the user that the UE2 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE2 is 5dB, when the P2 is within the coverage enhancement region corresponding to 5dB, the base station 2 may provide the UE2 with a service capability of coverage enhancement less than or equal to 5 dB; or when the P2 is located in the coverage enhancement region corresponding to the coverage enhancement level greater than 5dB and less than 15dB, the base station 2 may release the message through the RRC to carry a cause value, indicating that the UE2 needs to activate the coverage enhancement capability of 10dB or 15dB because the subscription coverage capability is limited and the corresponding service is temporarily unavailable; or, when the P2 exceeds the coverage enhancement area corresponding to 15dB, the base station 2 does not page the UE2 for a while, and may send a notification message to the UE2 through the terminal management platform, indicating that the UE2 has failed and prompting the user that the UE2 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE2 is 0dB, when the P2 is located in the coverage enhancement area corresponding to 0dB, the base station 2 may provide the UE2 with the service capability of coverage enhancement not greater than 0 dB; or when the P2 is in the coverage enhancement region corresponding to the coverage enhancement level greater than 0dB and less than 15dB, the base station 2 may indicate, through RRC release message, that the UE2 is temporarily unable to acquire a corresponding service due to the limited subscription coverage capability, and needs to open a coverage enhancement capability of 5dB, 10dB, or 15 dB; or when the P2 exceeds the coverage enhancement area corresponding to 15dB, the base station 2 does not page the UE2 for a while, and may send a notification message to the UE2 through the terminal management platform, indicating the UE2 to fail and prompting the user that the UE2 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE2 is 20dB, when the P2 is within the coverage enhancement region corresponding to 15dB, the base station 2 may provide the UE2 with a service capability of coverage enhancement less than or equal to 15 dB; or when the P2 exceeds the coverage enhancement area corresponding to 15dB, the base station 2 does not page the UE2 for a period of time, and may send a notification message to the UE2 through the terminal management platform, indicating that the UE2 is faulty and prompting the user that the UE2 has insufficient transmission power.
Example three
In example three, the transmit power of the UE3 (i.e., the transmit power corresponding to the transmit power type currently supported by the UE 3) is 23 dBm. Through the HSS query, base station 3 may determine that the network side may provide the UE3 with coverage enhancement levels of 20dB, 15dB, 10dB, 5dB, and 0dB, with the highest coverage enhancement level of 20 dB. The location of the UE3 is P3.
Thus, if the coverage enhancement level subscribed by the UE3 is 20dB, the base station 3 may provide the UE3 with a service capability of coverage enhancement less than or equal to 20dB when the P3 is within the coverage enhancement region corresponding to 20 dB; alternatively, when P3 exceeds the 20dB corresponding coverage enhancement region, the base station 3 does not page the UE3 for a period of time, which may indicate a failure of the UE 3. Specifically, when the P3 exceeds the coverage enhancement area corresponding to 20dB, the base station 3 may set a timer T3 for the UE3 according to the UE3 transmission power type and the service type, where M is greater than T3 and less than 3M, and M is a period for the UE3 to send service data; when receiving the service data sent by the UE3, the base station 3 starts T3; if the next service data sent by the UE3 is not received before T3 is overtime, the base station 3 starts a paging search function when T3 is overtime, and repeatedly performs n3 times of paging in combination with the transmitting power of the UE3, wherein n3 is less than or equal to the maximum repetition times of data transmission under the 20dB coverage enhancement scene; if the response of the UE3 is not received within the preset time after n3 times of paging, the base station 3 may send a notification message to the UE3 through the terminal management platform, indicating that the UE3 is faulty and prompting the user that the UE3 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE3 is 15dB, when the P3 is within the coverage enhancement region corresponding to 15dB, the base station 3 may provide the UE3 with a service capability of coverage enhancement less than or equal to 15 dB; or when the P3 is located in the coverage enhancement region corresponding to the coverage enhancement level greater than 15dB and less than 20dB, the base station 3 may release the message by RRC to carry a cause value, indicating that the UE3 needs to activate the 20dB coverage enhancement capability because the subscription coverage capability is limited and the corresponding service is temporarily unavailable; or, when the P3 exceeds the coverage enhancement area corresponding to 20dB, the base station 3 does not page the UE3 for a while, and may send a notification message to the UE3 through the terminal management platform, indicating that the UE3 is faulty and prompting the user that the UE3 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE3 is 10dB, when the P3 is within the coverage enhancement region corresponding to 10dB, the base station 3 may provide the UE3 with a service capability of coverage enhancement less than or equal to 10 dB; or when the P3 is located in the coverage enhancement region corresponding to the coverage enhancement level greater than 10dB and less than 20dB, the base station 3 indicates, through the RRC release message, that the UE3 is temporarily unable to acquire the corresponding service due to the limitation of the subscription coverage capability, and needs to activate the 15dB or 20dB coverage enhancement capability; or, when the P3 exceeds the coverage enhancement area corresponding to 20dB, the base station 3 does not page the UE3 for a while, and may send a notification message to the UE3 through the terminal management platform, indicating that the UE3 is faulty and prompting the user that the UE3 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE3 is 5dB, when the P3 is within the coverage enhancement region corresponding to 5dB, the base station 3 may provide the UE3 with a service capability of coverage enhancement less than or equal to 5 dB; or when the P3 is located in the coverage enhancement region corresponding to the coverage enhancement level greater than 5dB and less than 20dB, the base station 3 indicates, through the RRC release message, that the UE3 needs to open 10dB, 15dB, or 20dB coverage enhancement capability because the subscription coverage capability is limited and the corresponding service cannot be acquired temporarily; or, when the P3 exceeds the coverage enhancement area corresponding to 20dB, the base station 3 does not page the UE3 for a while, and may send a notification message to the UE3 through the terminal management platform, indicating that the UE3 is faulty and prompting the user that the UE3 has insufficient transmission power.
If the coverage enhancement level subscribed by the UE3 is 0dB, when the P3 is within the coverage enhancement region corresponding to 0dB, the base station 3 may provide the UE3 with a service capability of coverage enhancement less than or equal to 0 dB; or when the P3 is in the coverage enhancement region corresponding to the coverage enhancement level greater than 0dB and less than 20dB, the base station 3 will indicate, through RRC release message carrying a cause value, that the UE3 is temporarily unable to obtain a corresponding service due to the limited subscription coverage capability, and needs to turn on the coverage enhancement capability of 5dB, 10dB, 15dB, or 20 dB; or, when the P3 exceeds the coverage enhancement area corresponding to 20dB, the base station 3 does not page the UE3 for a while, and may send a notification message to the UE3 through the terminal management platform, indicating the UE3 to fail and prompting the user that the UE3 has insufficient transmission power.
By the above example, it can be seen that: the scheme of the embodiment of the invention not only can meet the requirements of different typical industries on selecting different types of transmitting power terminals aiming at cost, power consumption and coverage enhancement and using the transmitting power terminals under the same network and playing the respective problems of low power consumption, low cost and wide and deep coverage characteristics, but also can select the most appropriate coverage enhancement level tariff package by a client in a vertical industry according to the network coverage condition of the deployed terminal position on the basis of following the existing protocol standard and the existing network planning. In addition, the network can conveniently execute background management and operation charging based on different coverage enhancement service capabilities for different transmitting power type terminals.
The scheme of the embodiment of the invention is not only beneficial to the user to select the terminal type with proper transmitting power and the coverage capability service charge matched with the terminal type according to the service requirement, but also convenient for the network to manage different types of terminals. Meanwhile, the method can effectively avoid users who do not purchase the coverage enhancement capability and steal the coverage enhancement capability through an abnormal means.
The foregoing embodiment describes a wireless network coverage control method according to the present invention, and a network side device corresponding to the wireless network coverage control method according to the present invention is described below with reference to the embodiment and the accompanying drawings.
Referring to fig. 2, an embodiment of the present invention further provides a network-side device, which includes a processor 21, a transmitter 22, and a receiver 23, which are described in detail below.
The processor 21 is configured to determine a type of transmit power currently supported by the terminal, determine, according to the type of transmit power, a coverage enhancement level that the network side can provide for the terminal, determine a coverage enhancement level subscribed by the terminal and a location where the terminal is located, and provide a service for the terminal according to the coverage enhancement level subscribed by the terminal, the location where the terminal is located, and the coverage enhancement level that the network side can provide for the terminal.
The network side equipment of the embodiment of the invention determines the coverage enhancement grade which can be provided by the network side for the terminal by determining the transmitting power type currently supported by the terminal, determines the coverage enhancement grade signed by the terminal and the position of the terminal according to the transmitting power type, provides service for the terminal according to the coverage enhancement grade signed by the terminal, the position of the terminal and the coverage enhancement grade which can be provided by the network side for the terminal, and can ensure that the network side can execute optimal scheduling and management aiming at the terminals with different transmitting power types under the same network planning coverage scene.
In this embodiment of the present invention, optionally, the processor 21 is further configured to: and when the position of the terminal is in a coverage enhancement area corresponding to the coverage enhancement grade signed by the terminal and is in a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, providing the service capability corresponding to the coverage enhancement grade signed by the terminal for the terminal.
The transmitter 22 is configured to: and when the position of the terminal exceeds a coverage enhancement area corresponding to the coverage enhancement level signed by the terminal but is positioned in the coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a first notification message to the terminal.
The transmitter 22 is further configured to: and when the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, sending a second notification message to the terminal.
The first notification message is used for indicating that the coverage enhancement level signed by the terminal is insufficient and the related service of the network side cannot be acquired;
the second notification message is used for indicating that the transmission power of the terminal is insufficient.
Further, the processor 21 is further configured to: when the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, setting a timer for the terminal according to the type of the transmitting power and the type of the service currently supported by the terminal, starting the timer when receiving the service data sent by the terminal, and repeatedly carrying out paging for preset times when not receiving the next service data sent by the terminal when the timer is overtime.
The transmitter 22 is further configured to: and when the response of the terminal is not received within the preset time after the preset times of paging, sending a second notification message to the terminal.
Optionally, the transmit power corresponding to the currently supported transmit power type of the terminal is 12dBm, 20dBm, or 23 dBm.
In fig. 2, a bus architecture (represented by bus 20), bus 20 may include any number of interconnected buses and bridges, bus 20 connecting together various circuits including one or more processors, represented by processor 21, and memory, represented by memory 24. The transmitter 22 and the receiver 23 may be a transceiving interface, and the transmitter 22 and the receiver 23 may be connected to the processor 21 and the memory 24 via the bus 20.
The processor 21 is responsible for managing the bus 20 and general processing, while the memory 24 may be used for storing data used by the processor 21 in performing operations.
The embodiment of the present invention further provides a network side device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, can implement each process of the above-mentioned embodiment of the wireless network coverage control method, and can achieve the same technical effect, and is not described herein again to avoid repetition.
Specifically, referring to fig. 3, an embodiment of the present invention further provides a network-side device, where the network-side device includes a bus 31, a transceiver 32, an antenna 33, a bus interface 34, a processor 35, and a memory 36.
In this embodiment of the present invention, the network side device further includes: a computer program stored on the memory 36 and executable on the processor 35, wherein the computer program when executed by the processor 35 is operable to perform the steps of:
determining the type of transmitting power currently supported by the terminal;
determining a coverage enhancement level which can be provided by a network side for the terminal according to the transmitting power type;
determining a coverage enhancement grade signed by the terminal and a position of the terminal;
and providing service for the terminal according to the coverage enhancement level signed by the terminal, the position of the terminal and the coverage enhancement level which can be provided for the terminal by the network side.
Optionally, the computer program further implements the following steps when executed by the processor 35: if the position of the terminal is in a coverage enhancement area corresponding to the coverage enhancement level signed by the terminal and is in a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, providing the service capability corresponding to the coverage enhancement level signed by the terminal for the terminal; or if the position of the terminal exceeds a coverage enhancement area corresponding to a coverage enhancement grade signed by the terminal, but is located in a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, sending a first notification message to the terminal; or if the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a second notification message to the terminal; the first notification message is used for indicating that the coverage enhancement level signed by the terminal is insufficient and the related service of the network side cannot be acquired; the second notification message is used for indicating that the transmission power of the terminal is insufficient.
Optionally, the computer program further implements the following steps when executed by the processor 35: if the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, setting a timer for the terminal according to the type of the transmitting power and the type of the service currently supported by the terminal; when receiving the service data sent by the terminal, starting the timer; if the next service data sent by the terminal is not received when the timer is overtime, repeatedly paging for a preset number of times; and if the response of the terminal is not received within the preset time after the preset times of paging, sending a second notification message to the terminal.
Optionally, the transmit power corresponding to the currently supported transmit power type of the terminal is 14dBm, 20dBm, or 23 dBm.
In fig. 3, a bus architecture (represented by bus 31), bus 31 may include any number of interconnected buses and bridges, with bus 31 linking various circuits including one or more processors, represented by processor 35, and memory, represented by memory 36. The bus 31 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 34 provides an interface between the bus 31 and the transceiver 32. The transceiver 32 may be one element or a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 35 is transmitted over a wireless medium via the antenna 33, and further, the antenna 33 receives the data and transmits the data to the processor 35.
The processor 35 is responsible for managing the bus 31 and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 36 may be used to store data used by processor 35 in performing operations.
Alternatively, the processor 35 may be a CPU, ASIC, FPGA or CPLD.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the computer program implements each process of the foregoing wireless network coverage control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A wireless network coverage control method is applied to network side equipment and is characterized by comprising the following steps:
determining the type of transmitting power currently supported by the terminal;
determining a coverage enhancement grade which can be provided by a network side for the terminal according to the transmitting power type;
determining a coverage enhancement grade signed by the terminal and a position of the terminal;
providing service for the terminal according to the coverage enhancement level signed by the terminal, the position of the terminal and the coverage enhancement level which can be provided for the terminal by the network side;
wherein, the providing service for the terminal according to the coverage enhancement level signed by the terminal, the position of the terminal and the coverage enhancement level which can be provided for the terminal by the network side comprises:
if the position of the terminal is in a coverage enhancement area corresponding to the coverage enhancement level signed by the terminal and is in a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, providing the service capability corresponding to the coverage enhancement level signed by the terminal for the terminal; or
If the position of the terminal exceeds a coverage enhancement area corresponding to a coverage enhancement grade signed by the terminal but is positioned in the coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, sending a first notification message to the terminal; or
If the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a second notification message to the terminal;
the first notification message is used for indicating that the coverage enhancement level signed by the terminal is insufficient and related services at a network side cannot be acquired;
the second notification message is used for indicating that the transmission power of the terminal is insufficient.
2. The method of claim 1, wherein the sending a second notification message to the terminal if the location of the terminal exceeds a coverage enhancement area corresponding to a highest coverage enhancement level among coverage enhancement levels that can be provided by the network side for the terminal comprises:
if the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, setting a timer for the terminal according to the type of the transmitting power and the type of the service currently supported by the terminal;
when receiving the service data sent by the terminal, starting the timer;
if the next service data sent by the terminal is not received when the timer is overtime, repeatedly paging for a preset number of times;
and if the response of the terminal is not received within the preset time after the preset times of paging, sending a second notification message to the terminal.
3. Method according to claim 1 or 2, characterized in that the transmit power for the type of transmit power currently supported by the terminal is 14dBm, 20dBm or 23 dBm.
4. A network side device, comprising a processor;
the processor is configured to determine a transmit power type currently supported by a terminal, determine, according to the transmit power type, a coverage enhancement level that a network side can provide for the terminal, determine a coverage enhancement level subscribed by the terminal and a location where the terminal is located, and provide a service for the terminal according to the coverage enhancement level subscribed by the terminal, the location where the terminal is located, and the coverage enhancement level that the network side can provide for the terminal;
wherein the network side device further comprises a transmitter;
the processor is further configured to: when the position of the terminal is in a coverage enhancement area corresponding to the coverage enhancement level signed by the terminal and is in a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, providing the service capability corresponding to the coverage enhancement level signed by the terminal for the terminal;
the transmitter is configured to: when the position of the terminal exceeds a coverage enhancement area corresponding to a coverage enhancement grade signed by the terminal, but is positioned in a coverage enhancement area corresponding to the highest coverage enhancement grade in the coverage enhancement grades which can be provided for the terminal by the network side, sending a first notification message to the terminal;
the transmitter is further configured to: when the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, sending a second notification message to the terminal;
the first notification message is used for indicating that the coverage enhancement level signed by the terminal is insufficient and the related service of the network side cannot be acquired;
the second notification message is used for indicating that the transmission power of the terminal is insufficient.
5. The network-side device of claim 4,
the processor is further configured to: when the position of the terminal exceeds a coverage enhancement area corresponding to the highest coverage enhancement level in the coverage enhancement levels which can be provided for the terminal by the network side, setting a timer for the terminal according to the type of the transmitting power and the type of the service which are currently supported by the terminal, starting the timer when the service data sent by the terminal are received, and repeatedly carrying out paging for preset times when the next service data sent by the terminal are not received when the timer is overtime;
the transmitter is further configured to: and when the response of the terminal is not received within the preset time after the preset times of paging, sending a second notification message to the terminal.
6. The network-side device of claim 4 or 5, wherein the transmit power corresponding to the currently supported transmit power type of the terminal is 14dBm, 20dBm, or 23 dBm.
7. A network-side device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the computer program, when executed by the processor, implements the steps of the wireless network coverage control method according to any one of claims 1 to 3.
8. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the radio network coverage control method according to any one of claims 1 to 3.
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| CN105453461B (en) * | 2013-07-25 | 2018-06-19 | Lg电子株式会社 | For the method and apparatus of coverage enhancement |
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| EP3468270B1 (en) * | 2016-07-04 | 2020-09-16 | Huawei Technologies Co., Ltd. | Method and device for implementing coverage enhancement (ce) function |
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