CN111885730A - Network scheduling information transmission method and system of server data center - Google Patents

Network scheduling information transmission method and system of server data center Download PDF

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Publication number
CN111885730A
CN111885730A CN202010749795.1A CN202010749795A CN111885730A CN 111885730 A CN111885730 A CN 111885730A CN 202010749795 A CN202010749795 A CN 202010749795A CN 111885730 A CN111885730 A CN 111885730A
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band
sub
mobile terminal
lbt procedure
unsuccessful
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侯景岩
王春捷
吕凯
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Beijing Shenzhou Digital Cloud Information Technology Co ltd
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Beijing Shenzhou Digital Cloud Information Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a network scheduling information transmission method of a server data center, which comprises the following steps: receiving a synchronization signal and system information sent by a base station by a mobile terminal, wherein the mobile terminal and the base station communicate on a shared frequency band; in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and the LBT procedure on the second sub-band was unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band. The method and the system can use a centralized real-time dynamic flow family scheduling system Seagull + +, well realize the real-time dynamic scheduling of the flow family by realizing a flow family information acquisition module and a network bottleneck detection module and combining a heuristic scheduling algorithm, and achieve the expected performance.

Description

Network scheduling information transmission method and system of server data center
Technical Field
The present invention relates to the field of server technologies, and in particular, to a method and a system for transmitting network scheduling information in a server data center.
Background
A server is one of computers that runs faster, is more heavily loaded, and is more expensive than a regular computer. The server provides calculation or application services for other clients (such as terminals like PC, smart phone, ATM and the like and even large equipment like train systems and the like) in the network.
The prior art CN103763206A discloses a network scheduling method and a gateway, the method includes acquiring a server information set, where the server information set includes information of a plurality of servers connected to the gateway; acquiring the capacity value of each server according to the server information set; comparing the capability values of the servers, and selecting the server with the optimal capability value as the current server; and when a user instruction is received, distributing the instruction to the current server for processing.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a network scheduling information transmission method and system of a server data center, which can overcome the defects of the prior art.
In order to achieve the above object, the present invention provides a method for transmitting network scheduling information of a server data center, which is characterized in that the method for transmitting network scheduling information of the server data center comprises the following steps:
receiving a synchronization signal and system information sent by a base station by a mobile terminal, wherein the mobile terminal and the base station communicate on a shared frequency band;
performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal and system information transmitted by a base station, wherein the first sub-band and the second sub-band belong to a shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful;
in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and the LBT procedure on the second sub-band was unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is successful and the LBT procedure on the second sub-band is also successful, randomly selecting, by the MAC entity of the mobile terminal, one sub-band among the first sub-band and the second sub-band;
notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
transmitting, by the PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful, notifying, by the MAC entity of the mobile terminal, that the PHY entity of the mobile terminal is again performing the LBT procedure on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure performed again on the first sub-band was successful and that the LBT procedure performed again on the second sub-band was unsuccessful, if the LBT procedure performed again on the first sub-band was successful and the LBT procedure performed again on the second sub-band was unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
transmitting, by the base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response comprises at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in the first sub-band and uplink resources in the second sub-band to the mobile terminal;
performing, by a PHY entity of the mobile terminal, an LBT procedure on the first sub-band and the second sub-band in response to receiving the random access response;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and the LBT procedure on the second sub-band was unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to send an RRC connection establishment request to the base station in uplink resources on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is successful and the LBT procedure on the second sub-band is also successful, randomly selecting, by the MAC entity of the mobile terminal, one sub-band among the first sub-band and the second sub-band;
notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
in response to receiving the notification for the selected sub-band, transmitting, by the PHY entity of the mobile terminal, an RRC connection setup request to the base station on the selected sub-band using uplink resources of the corresponding sub-band;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful, notifying, by the MAC entity of the mobile terminal, that the PHY entity of the mobile terminal is again performing the LBT procedure on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure performed again on the first sub-band was successful and that the LBT procedure performed again on the second sub-band was unsuccessful, if the LBT procedure performed again on the first sub-band was successful and the LBT procedure performed again on the second sub-band was unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
transmitting, by the base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
transmitting, by the mobile terminal to the base station, a network scheduling information request message in response to receiving the contention resolution message;
in response to receiving the network scheduling information request message, sending, by the base station, the network scheduling information request message to the server data center;
in response to receiving the network scheduling information request message, generating network scheduling information by the server data center, and sending the generated network scheduling information to the base station by the server data center;
the network scheduling information is transmitted by the base station to the mobile terminal in response to receiving the network scheduling information.
The invention provides a network scheduling information transmission system of a server data center, which is characterized by comprising the following components:
means for receiving, by a mobile terminal, a synchronization signal transmitted by a base station and system information, wherein the mobile terminal communicates with the base station over a shared frequency band;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal transmitted by a base station and system information, wherein the first sub-band and the second sub-band belong to a shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure on the second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal to transmit a random access preamble on the first sub-band in response to receiving a notification that an LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and an LBT procedure on the second sub-band was unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure on the first sub-band was successful and an LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
means for selecting, by a MAC entity of the mobile terminal, one of the first sub-band and the second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that a PHY entity of the mobile terminal is unsuccessful in an LBT procedure on the first subband and also unsuccessful in an LBT procedure on the second subband, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by the PHY entity of the mobile terminal, that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for transmitting, by the base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in the first sub-band and uplink resources in the second sub-band to the mobile terminal;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a random access response;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure on the second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is unsuccessful, the PHY entity of the mobile terminal to send an RRC connection setup request to the base station in uplink resources on the first sub-band.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure on the first sub-band was successful and an LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
means for selecting, by a MAC entity of the mobile terminal, one of the first sub-band and the second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of the mobile terminal, an RRC connection setup request to the base station using uplink resources of the corresponding sub-band on the selected sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that a PHY entity of the mobile terminal is unsuccessful in an LBT procedure on the first subband and also unsuccessful in an LBT procedure on the second subband, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by the PHY entity of the mobile terminal, that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for transmitting, by the base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
means for transmitting, by the mobile terminal, a network scheduling information request message to the base station in response to receiving the contention resolution message;
means for transmitting, by the base station to the server data center, a network scheduling information request message in response to receiving the network scheduling information request message;
means for generating, by the server data center, network scheduling information in response to receiving the network scheduling information request message, and transmitting, by the server data center, the generated network scheduling information to the base station;
means for transmitting, by the base station, the network scheduling information to the mobile terminal in response to receiving the network scheduling information.
Compared with the prior art, the method has the advantages that the network scheduling information can be generated by using a known method, preferably, a centralized real-time dynamic flow family scheduling system Seagull + + can be used, the flow family information acquisition module and the network bottleneck detection module are realized, a heuristic scheduling algorithm is combined, real-time dynamic scheduling of the flow family is well realized, and expected performance is achieved. After generating the network scheduling information, it is often desirable to quickly send the scheduling information to the network optimization personnel so that the network optimization personnel can quickly grasp the network condition. The application provides a method and a system for transmitting network scheduling information of a server data center aiming at the needs of the prior art.
Drawings
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.
FIG. 2 is a flow diagram of a method according to an embodiment of the invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention. As shown in the figure, the system of the present invention includes a server, and the server side can generate network scheduling information, and then the server can transmit the network scheduling information to the base station, and the base station can transmit the relevant information to the mobile terminal.
FIG. 2 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the method of the present invention comprises the steps of:
step 101: receiving a synchronization signal and system information sent by a base station by a mobile terminal, wherein the mobile terminal and the base station communicate on a shared frequency band; the shared frequency band is also called an unlicensed frequency band.
Step 102: performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal and system information transmitted by a base station, wherein the first sub-band and the second sub-band belong to a shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
step 103: notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful;
step 104: in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and the LBT procedure on the second sub-band was unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is successful and the LBT procedure on the second sub-band is also successful, randomly selecting, by the MAC entity of the mobile terminal, one sub-band among the first sub-band and the second sub-band;
notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
transmitting, by the PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful, notifying, by the MAC entity of the mobile terminal, that the PHY entity of the mobile terminal is again performing the LBT procedure on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure performed again on the first sub-band was successful and that the LBT procedure performed again on the second sub-band was unsuccessful, if the LBT procedure performed again on the first sub-band was successful and the LBT procedure performed again on the second sub-band was unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
transmitting, by the base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response comprises at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in the first sub-band and uplink resources in the second sub-band to the mobile terminal;
performing, by a PHY entity of the mobile terminal, an LBT procedure on the first sub-band and the second sub-band in response to receiving the random access response;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and the LBT procedure on the second sub-band was unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to send an RRC connection establishment request to the base station in uplink resources on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
in response to receiving notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is successful and the LBT procedure on the second sub-band is also successful, randomly selecting, by the MAC entity of the mobile terminal, one sub-band among the first sub-band and the second sub-band;
notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
in response to receiving the notification for the selected sub-band, transmitting, by the PHY entity of the mobile terminal, an RRC connection setup request to the base station on the selected sub-band using uplink resources of the corresponding sub-band;
notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful, if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
in response to receiving a notification that the LBT procedure on the first sub-band by the PHY entity of the mobile terminal is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful, notifying, by the MAC entity of the mobile terminal, that the PHY entity of the mobile terminal is again performing the LBT procedure on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by the PHY entity of the mobile terminal, the MAC entity of the mobile terminal that the LBT procedure performed again on the first sub-band was successful and that the LBT procedure performed again on the second sub-band was unsuccessful, if the LBT procedure performed again on the first sub-band was successful and the LBT procedure performed again on the second sub-band was unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band.
In a preferred embodiment, the method for transmitting the network scheduling information of the server data center includes the following steps:
transmitting, by the base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
transmitting, by the mobile terminal to the base station, a network scheduling information request message in response to receiving the contention resolution message;
in response to receiving the network scheduling information request message, sending, by the base station, the network scheduling information request message to the server data center;
in response to receiving the network scheduling information request message, generating network scheduling information by the server data center, and sending the generated network scheduling information to the base station by the server data center;
the network scheduling information is transmitted by the base station to the mobile terminal in response to receiving the network scheduling information.
The invention provides a network scheduling information transmission system of a server data center, which is characterized by comprising the following components:
means for receiving, by a mobile terminal, a synchronization signal transmitted by a base station and system information, wherein the mobile terminal communicates with the base station over a shared frequency band;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal transmitted by a base station and system information, wherein the first sub-band and the second sub-band belong to a shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure on the second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal to transmit a random access preamble on the first sub-band in response to receiving a notification that an LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and an LBT procedure on the second sub-band was unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure on the first sub-band was successful and an LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
means for selecting, by a MAC entity of the mobile terminal, one of the first sub-band and the second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that a PHY entity of the mobile terminal is unsuccessful in an LBT procedure on the first subband and also unsuccessful in an LBT procedure on the second subband, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by the PHY entity of the mobile terminal, that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for transmitting, by the base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in the first sub-band and uplink resources in the second sub-band to the mobile terminal;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a random access response;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure on the second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is unsuccessful, the PHY entity of the mobile terminal to send an RRC connection setup request to the base station in uplink resources on the first sub-band.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that an LBT procedure on the first sub-band was successful and an LBT procedure on the second sub-band was successful if the LBT procedure on the first sub-band was successful and the LBT procedure on the second sub-band was also successful;
means for selecting, by a MAC entity of the mobile terminal, one of the first sub-band and the second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of the mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of the mobile terminal, an RRC connection setup request to the base station using uplink resources of the corresponding sub-band on the selected sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of the mobile terminal, a MAC entity of the mobile terminal that the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was unsuccessful if the LBT procedure on the first sub-band was unsuccessful and the LBT procedure on the second sub-band was also unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, in response to receiving a notification that a PHY entity of the mobile terminal is unsuccessful in an LBT procedure on the first subband and also unsuccessful in an LBT procedure on the second subband, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by the PHY entity of the mobile terminal, that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit the random access preamble on the first sub-band in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful.
In a preferred embodiment, the network scheduling information transmission system of the server data center includes:
means for transmitting, by the base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
means for transmitting, by the mobile terminal, a network scheduling information request message to the base station in response to receiving the contention resolution message;
means for transmitting, by the base station to the server data center, a network scheduling information request message in response to receiving the network scheduling information request message;
means for generating, by the server data center, network scheduling information in response to receiving the network scheduling information request message, and transmitting, by the server data center, the generated network scheduling information to the base station;
means for transmitting, by the base station, the network scheduling information to the mobile terminal in response to receiving the network scheduling information.
The network scheduling method of the server data center may be any known method (for example, a method introduced in CN103763206A in the background art), and preferably, may be a centralized real-time dynamic flow family scheduling system Seagull + +, which aims to reduce the completion time of a mean flow family and improve the requirement of the number of Deadline flow families for scheduling two flow families, and achieves the desired performance by implementing a flow family information acquisition module and a network bottleneck detection module, and combining with a heuristic scheduling algorithm, thereby well implementing the real-time dynamic scheduling of the flow families. Both small-scale real test platform experiments and large-scale simulation experiments prove that the Seagull + + system has good effects on reducing the completion time of the average flow family and increasing the number of the Deadline flow families.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (10)

1. A network scheduling information transmission method of a server data center is characterized by comprising the following steps:
receiving, by a mobile terminal, a synchronization signal and system information transmitted by a base station, wherein the mobile terminal communicates with the base station on a shared frequency band;
performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal and system information transmitted by the base station, wherein the first sub-band and the second sub-band belong to the shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is unsuccessful, if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
in response to receiving a notification that an LBT procedure on a first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on a second sub-band is unsuccessful, notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit a random access preamble on the first sub-band.
2. The method for transmitting the network scheduling information of the server data center according to claim 1, wherein the method for transmitting the network scheduling information of the server data center comprises the steps of:
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is successful, if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is also successful;
in response to receiving notification that an LBT procedure on a first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on a second sub-band is also successful, randomly selecting one sub-band among the first sub-band and the second sub-band by a MAC entity of the mobile terminal;
notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
transmitting, by the PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is unsuccessful and an LBT procedure on a second sub-band is unsuccessful, if the LBT procedure on the first sub-band is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful;
in response to receiving a notification that the PHY entity of the mobile terminal is unsuccessful in the LBT procedure on the first sub-band and also unsuccessful in the LBT procedure on the second sub-band, notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to perform the LBT procedure again on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that a LBT procedure performed again by the PHY entity of the mobile terminal on a first sub-band is successful and a LBT procedure performed again on a second sub-band is unsuccessful, if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit a random access preamble on the first sub-band.
3. The method for transmitting the network scheduling information of the server data center according to claim 2, wherein the method for transmitting the network scheduling information of the server data center comprises the steps of:
transmitting, by a base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response comprises at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in a first sub-band and uplink resources in a second sub-band to the mobile terminal;
performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving the random access response;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is unsuccessful, if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
in response to receiving a notification that an LBT procedure on a first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on a second sub-band is unsuccessful, notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to send an RRC connection setup request to the base station in uplink resources on the first sub-band.
4. The method for transmitting the network scheduling information of the server data center according to claim 3, wherein the method for transmitting the network scheduling information of the server data center comprises the steps of:
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is successful, if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is also successful;
in response to receiving notification that an LBT procedure on a first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on a second sub-band is also successful, randomly selecting one sub-band among the first sub-band and the second sub-band by a MAC entity of the mobile terminal;
notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
in response to receiving the notification for the selected sub-band, transmitting, by a PHY entity of the mobile terminal, an RRC connection setup request to the base station on the selected sub-band using uplink resources of the corresponding sub-band;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is unsuccessful and an LBT procedure on a second sub-band is unsuccessful, if the LBT procedure on the first sub-band is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful;
in response to receiving a notification that the PHY entity of the mobile terminal is unsuccessful in the LBT procedure on the first sub-band and also unsuccessful in the LBT procedure on the second sub-band, notifying, by a MAC entity of the mobile terminal, the PHY entity of the mobile terminal to perform the LBT procedure again on the first sub-band and the second sub-band at a next PRACH opportunity;
notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that a LBT procedure performed again by the PHY entity of the mobile terminal on a first sub-band is successful and a LBT procedure performed again on a second sub-band is unsuccessful, if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
in response to receiving notification that the LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and that the LBT procedure performed again on the second sub-band is unsuccessful, notifying, by the MAC entity of the mobile terminal, the PHY entity of the mobile terminal to transmit a random access preamble on the first sub-band.
5. The method for transmitting the network scheduling information of the server data center according to claim 4, wherein the method for transmitting the network scheduling information of the server data center comprises the steps of:
transmitting, by a base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
transmitting, by a mobile terminal, a network scheduling information request message to the base station in response to receiving the contention resolution message;
sending, by a base station, the network scheduling information request message to the server data center in response to receiving the network scheduling information request message;
generating network scheduling information by the server data center in response to receiving the network scheduling information request message, and transmitting the generated network scheduling information to the base station by the server data center;
and responding to the received network scheduling information, and sending the network scheduling information to the mobile terminal by the base station.
6. A network scheduling information transmission system of a server data center, the network scheduling information transmission system of the server data center comprising:
means for receiving, by a mobile terminal, a synchronization signal and system information transmitted by a base station, wherein the mobile terminal communicates with the base station over a shared frequency band;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving a synchronization signal transmitted by the base station and system information, wherein the first sub-band and the second sub-band belong to the shared frequency band, the first sub-band and the second sub-band do not overlap, and the first sub-band and the second sub-band are indicated in the system information;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal to transmit a random access preamble on a first sub-band in response to receiving a notification that an LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and an LBT procedure on a second sub-band was unsuccessful.
7. The network scheduling information transmission system of the server data center according to claim 6, wherein the network scheduling information transmission system of the server data center includes:
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is successful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is also successful;
means for selecting, by a MAC entity of a mobile terminal, one of a first sub-band and a second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of the mobile terminal, a random access preamble on the selected sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is unsuccessful and an LBT procedure on a second sub-band is unsuccessful if the LBT procedure on the first sub-band is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, in response to receiving a notification that an LBT procedure on a first subband by a PHY entity of the mobile terminal is unsuccessful and also that the LBT procedure on a second subband is unsuccessful, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure performed again by the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure performed again on a second sub-band is unsuccessful, if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal to transmit a random access preamble on a first sub-band in response to receiving notification that an LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure performed again on a second sub-band is unsuccessful.
8. The network scheduling information transmission system of the server data center according to claim 7, wherein the network scheduling information transmission system of the server data center includes:
means for transmitting, by a base station, a random access response to the mobile terminal in response to receiving the random access preamble, wherein the random access response includes at least a timing advance command, an uplink grant and a temporary C-RNTI, wherein the uplink grant indicates uplink resources in a first sub-band and uplink resources in a second sub-band to the mobile terminal;
means for performing, by a PHY entity of a mobile terminal, an LBT procedure on a first sub-band and a second sub-band in response to receiving the random access response;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is unsuccessful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal to send an RRC connection setup request to the base station in uplink resources on a first sub-band in response to receiving a notification that an LBT procedure on the first sub-band by the PHY entity of the mobile terminal was successful and an LBT procedure on a second sub-band was unsuccessful.
9. The network scheduling information transmission system of the server data center as claimed in claim 8, wherein the network scheduling information transmission system of the server data center comprises:
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure on a second sub-band is successful if the LBT procedure on the first sub-band is successful and the LBT procedure on the second sub-band is also successful;
means for selecting, by a MAC entity of a mobile terminal, one of a first sub-band and a second sub-band at random in response to receiving a notification that an LBT procedure on the first sub-band by a PHY entity of the mobile terminal is successful and an LBT procedure on the second sub-band is also successful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal of the selected sub-band in response to selecting one sub-band;
means for transmitting, by a PHY entity of a mobile terminal, an RRC connection setup request to the base station on the selected sub-band using uplink resources of the corresponding sub-band in response to receiving the notification for the selected sub-band;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure of the PHY entity of the mobile terminal on a first sub-band is unsuccessful and an LBT procedure on a second sub-band is unsuccessful if the LBT procedure on the first sub-band is unsuccessful and the LBT procedure on the second sub-band is also unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, in response to receiving a notification that an LBT procedure on a first subband by a PHY entity of the mobile terminal is unsuccessful and also that the LBT procedure on a second subband is unsuccessful, the PHY entity of the mobile terminal to perform the LBT procedure again on the first subband and the second subband at a next PRACH opportunity;
means for notifying, by a PHY entity of a mobile terminal, a MAC entity of the mobile terminal that an LBT procedure performed again by the PHY entity of the mobile terminal on a first sub-band is successful and an LBT procedure performed again on a second sub-band is unsuccessful, if the LBT procedure performed again on the first sub-band is successful and the LBT procedure performed again on the second sub-band is unsuccessful;
means for notifying, by a MAC entity of a mobile terminal, a PHY entity of the mobile terminal to transmit a random access preamble on a first sub-band in response to receiving notification that an LBT procedure performed again by the PHY entity of the mobile terminal on the first sub-band is successful and an LBT procedure performed again on a second sub-band is unsuccessful.
10. The network scheduling information transmission system of the server data center according to claim 9, wherein the network scheduling information transmission system of the server data center includes:
means for transmitting, by a base station, a contention resolution message to the mobile terminal in response to receiving the RRC connection setup request;
means for transmitting, by a mobile terminal, a network scheduling information request message to the base station in response to receiving the contention resolution message;
means for transmitting, by a base station to the server data center, the network scheduling information request message in response to receiving the network scheduling information request message;
means for generating, by the server data center, network scheduling information in response to receiving the network scheduling information request message, and transmitting, by the server data center, the generated network scheduling information to the base station;
means for transmitting, by a base station, the network scheduling information to the mobile terminal in response to receiving the network scheduling information.
CN202010749795.1A 2020-07-30 2020-07-30 Network scheduling information transmission method and system of server data center Pending CN111885730A (en)

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Application publication date: 20201103