CN109121187B - Service transmission method, service transmission equipment and computer readable storage medium - Google Patents

Service transmission method, service transmission equipment and computer readable storage medium Download PDF

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Publication number
CN109121187B
CN109121187B CN201710481849.9A CN201710481849A CN109121187B CN 109121187 B CN109121187 B CN 109121187B CN 201710481849 A CN201710481849 A CN 201710481849A CN 109121187 B CN109121187 B CN 109121187B
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China
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terminal
service
current
radio frequency
current service
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CN109121187A (en
Inventor
邢金强
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/22—Negotiating communication rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a service transmission method, equipment and a computer readable storage medium, which dynamically control and close part of a receiving link based on various factors such as terminal service type, network coverage condition, residual electric quantity and the like, thereby reducing the power consumption of a terminal radio frequency receiving link and avoiding or reducing the conditions of off-line and the like caused by the reduction of receiving sensitivity.

Description

Service transmission method, service transmission equipment and computer readable storage medium
Technical Field
The invention relates to the technical field of terminal radio frequency, in particular to a service transmission method, service transmission equipment and a computer readable storage medium.
Background
The multi-antenna reception is a key means for increasing the downlink rate of the terminal, and the Multiple antennas form a downlink Multiple-Input Multiple-Output (MIMO) to increase the downlink rate by Multiple. As shown in fig. 1, from the terminal rf architecture, a plurality of antennas are connected to a terminal rf chip through a plurality of rf front ends to form a multi-path rf receiving link. Currently, a terminal of a Long Term Evolution (LTE) system generally has two antennas, and in a 5G communication system, multi-antenna reception may become a basic configuration, but the multi-antenna reception may cause a receiving link of the terminal to consume more power, and how to reduce power consumption of the terminal while ensuring a high downlink rate of the terminal becomes a key problem.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a service transmission method, a device and a computer readable storage medium, which are used to reduce the power consumption of a terminal having multiple radio frequency receiving links.
In order to solve the above technical problem, a service transmission method provided in an embodiment of the present invention includes:
a terminal acquires a downlink rate requirement of a current service initiated by a network side;
when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, closing part of radio frequency receiving links of the terminal according to the quality of network signals;
wherein the terminal comprises at least 2 radio frequency receiving links.
Preferably, in the above method, before acquiring a downlink rate requirement of a current service initiated by a network side, the method further includes:
the terminal judges whether the current residual electric quantity is lower than a preset electric quantity threshold or not;
and when the current residual electric quantity is lower than a preset threshold, directly closing part of radio frequency receiving links of the terminal.
Preferably, in the method, the step of closing a part of radio frequency receiving links of the terminal according to the network signal quality includes:
the terminal judges whether the current network coverage index is superior to a preset coverage threshold or not;
when the current network coverage index is judged to be superior to the preset coverage threshold, closing part of radio frequency receiving links;
and when the current network coverage index is judged not to be better than the preset coverage threshold, if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links, closing part of the radio frequency receiving links, and communicating with the network by adopting the first MIMO type, and if the first MIMO type can not continuously maintain the cell links, continuously maintaining the current radio frequency receiving link configuration.
Preferably, in the method, the step of obtaining the downlink rate requirement of the current service initiated by the network side includes:
the terminal obtains a service quality grade identification QCI of the current service from a network side, determines whether the service flow of the current service is a guaranteed bit rate service or a non-guaranteed bit rate service according to the QCI, and determines the downlink rate required to be guaranteed by the current service when the current service is the guaranteed bit rate service.
Preferably, in the above method, when the downlink rate requirement of the current service belongs to a guaranteed bit rate service, the method further includes:
the terminal measures the signal quality and the channel space correlation of the current service cell;
the terminal judges whether the first data rate supported by the terminal is greater than the downlink rate required to be ensured by the current service according to the highest modulation coding strategy MCS, the stream number and the conventional RB number;
when the first data rate is larger than the downlink rate which needs to be ensured by the current service, the terminal evaluates a second data rate supported by the terminal after closing part of the radio frequency receiving link and determines a second MIMO type corresponding to the second data rate;
and the terminal sends the measured signal quality and the channel spatial correlation of the current service cell, the second MIMO type and the second data rate to the network, and switches a downlink receiving link according to the received MCS, the stream number and the MIMO type of the terminal fed back by the network.
Preferably, in the above method, when the first data rate is less than or equal to a downlink rate that needs to be guaranteed by the current service, the terminal maintains the current configuration of the radio frequency receiving link.
The embodiment of the invention also provides another service transmission method, which comprises the following steps:
the method comprises the steps that a network receives signal quality and channel space correlation of a current service cell sent by a terminal, a second data rate supported by the terminal after a part of radio frequency receiving links are closed and a corresponding second MIMO type;
the network judges whether the second data rate meets the downlink rate requirement of the current service;
when the second data rate meets the downlink rate requirement of the current service, configuring the terminal to adopt the second MIMO type, and sending the second MIMO type and the MCS and stream number information corresponding to the second MIMO type to the terminal;
and when the second data rate does not meet the downlink rate requirement of the current service, configuring a third MIMO type indicated by the channel space correlation by the terminal, and sending the third MIMO type and the MCS and stream number information corresponding to the third MIMO type to the terminal.
An embodiment of the present invention further provides a terminal, including:
a requirement determining unit, configured to acquire, by a terminal, a downlink rate requirement of a current service initiated by a network side;
the first control unit is used for closing part of radio frequency receiving links of the terminal according to the quality of network signals when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service;
wherein the terminal comprises at least 2 radio frequency receiving links.
Preferably, the terminal further includes:
the first judgment unit is used for judging whether the current residual electric quantity is lower than a preset electric quantity threshold or not;
and the second control unit is used for directly closing part of the radio frequency receiving links of the terminal when the current residual electric quantity is lower than a preset threshold.
Preferably, in the terminal, the first control unit includes:
the second judgment unit is used for judging whether the current network coverage index is superior to a preset coverage threshold or not;
the first processing unit is used for closing part of the radio frequency receiving links when judging that the current network coverage index is superior to a preset coverage threshold;
and the second processing unit is used for closing part of the radio frequency receiving links and communicating with the network by adopting the first MIMO type if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links when judging that the current network coverage index is not better than the preset coverage threshold, and continuously maintaining the current radio frequency receiving link configuration if the first MIMO type can not continuously maintain the cell links.
Preferably, in the above terminal, the requirement determining unit is specifically configured to obtain, by the terminal, a quality of service class identifier QCI of the current service from a network side, determine whether a service flow of the current service is a guaranteed bit rate service or a non-guaranteed bit rate service according to the QCI, and determine, when the current service is a guaranteed bit rate service, a downlink rate that needs to be guaranteed by the current service.
Preferably, the terminal further includes:
a measuring unit, configured to measure signal quality and channel spatial correlation of a current serving cell when a downlink rate requirement of a current service belongs to a guaranteed bit rate service;
a third judging unit, configured to judge whether the first data rate supported by the terminal is greater than a downlink rate that needs to be guaranteed by the current service according to the highest modulation and coding scheme MCS, the stream number, and the conventional RB number;
a third processing unit, configured to evaluate a second data rate supported by the terminal after closing a part of radio frequency receiving links when the first data rate is greater than a downlink rate that needs to be guaranteed by a current service, and determine a second MIMO type corresponding to the second data rate;
and a fourth processing unit, configured to send the measured signal quality and channel spatial correlation of the current serving cell, the second MIMO type, and the second data rate to a network, and switch a downlink receiving link according to the received MCS, stream number, and MIMO type of the terminal fed back by the network.
Preferably, the terminal further includes:
and a fifth processing unit, configured to maintain a current radio frequency receiving link configuration when the first data rate is less than or equal to a downlink rate that needs to be guaranteed by a current service.
The embodiment of the invention also provides another terminal, which comprises a memory, a processor and a computer program which is stored on the memory and can be run on the processor; the processor implements the service transmission method as described above when executing the program.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps in the service transmission method described above.
An embodiment of the present invention further provides a network side device, including:
the receiver is used for receiving the signal quality and the channel spatial correlation of the current serving cell sent by the terminal, and a second data rate and a corresponding second MIMO type which are supported by the terminal after a part of radio frequency receiving links are closed; when the second data rate meets the downlink rate requirement of the current service, sending a second MIMO type and the MCS and stream number information corresponding to the second MIMO type to the terminal; when the second data rate does not meet the downlink rate requirement of the current service, sending a third MIMO type indicated by the channel space correlation and MCS and stream number information corresponding to the third MIMO type to a terminal;
the processor is used for judging whether the second data rate meets the downlink rate requirement of the current service; when the second data rate meets the downlink rate requirement of the current service, configuring the terminal to adopt the second MIMO type; and when the second data rate does not meet the downlink rate requirement of the current service, configuring a third MIMO type of the channel space correlation indication adopted by the terminal.
The embodiment of the invention also provides network side equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; the processor implements the service transmission method as described above when executing the program.
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 in the service transmission method described above.
Compared with the prior art, the service transmission method, the equipment and the computer readable storage medium provided by the embodiment of the invention dynamically control to close part of the receiving link based on various factors such as the terminal service type, the network coverage condition, the residual electric quantity and the like, thereby reducing the power consumption of the terminal radio frequency receiving link and avoiding or reducing the conditions of off-line and the like caused by the reduction of the receiving sensitivity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced 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 these drawings without inventive labor.
Fig. 1 is a schematic diagram of a radio frequency structure of a terminal having multiple radio frequency receiving links according to the prior art;
fig. 2 is a schematic flowchart of a method for service transmission according to an embodiment of the present invention;
fig. 3 is another schematic flow chart of a method for service transmission according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a network-side device according to an embodiment of the present invention;
fig. 7 is another schematic structural diagram of a network-side device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In the embodiment of the present invention, the Base Station may be a Macro Base Station (Macro Base Station), a micro Base Station (Pico Base Station), a Node B (call of a 3G mobile Base Station), an enhanced Base Station (eNB), a Home enhanced Base Station (Femto eNB or Home eNode B or Home eNB or HeNB), a relay Station, an access point, a RRU (Remote Radio Unit), an RRH (Remote Radio Head), a gNB (call of a 5G mobile Base Station), a network side Node in a 5G mobile communication system, such as a Central Unit (CU, Central Unit) and a Distributed Unit (DU, Distributed Unit), and the like. The terminal may be a mobile phone (or handset), or other device capable of sending or receiving wireless signals, including a User Equipment (UE), a Personal Digital Assistant (PDA), a wireless modem, a wireless communicator, a handheld device, a laptop computer, a cordless phone, a Wireless Local Loop (WLL) station, a CPE (Customer Premise Equipment) or mobile smart hotspot capable of converting mobile signals to WiFi signals, a smart appliance, or other device capable of autonomously communicating with a mobile communication network without human operation, etc. In addition, the terms "system" and "network" are often used interchangeably herein.
The embodiment of the invention dynamically selects to open and close part of the receiving link (including a radio frequency front-end receiving device and a receiving channel in a radio frequency chip, such as a lower frequency conversion module) based on various factors such as the service type of the terminal, the network coverage condition, the residual electric quantity and the like, thereby reducing the power consumption of the radio frequency receiving link of the terminal and avoiding or reducing the conditions of off-line and the like caused by the reduction of the receiving sensitivity.
Referring to fig. 2, a service transmission method provided in an embodiment of the present invention is applied to a terminal, where the terminal includes at least 2 radio frequency receiving links, and as shown in fig. 2, the method includes:
step 21, the terminal obtains the downlink rate requirement of the current service initiated by the network side.
Here, the terminal obtains a quality of service class identifier (QCI) of a current service from a network side, determines whether a service flow of the current service is a Guaranteed Bit Rate (GBR) service or a Non-guaranteed bit rate (Non-GBR) service according to the QCI, and may further determine a downlink rate that the current service needs to be guaranteed when the current service is the guaranteed bit rate service.
And step 22, when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, the terminal closes part of radio frequency receiving links of the terminal according to the quality of the network signal.
When the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, the terminal can close part of the radio frequency receiving link so as to save the power consumption of the radio frequency receiving link. In order to avoid the situations of offline and the like of the terminal caused by reduction of receiving sensitivity when a part of radio frequency receiving links are closed, the embodiment of the invention can close the part of the radio frequency receiving links of the terminal according to the quality of network signals, and specifically comprises the following steps:
the terminal can judge whether the current network coverage index is better than a preset coverage threshold: when the current network coverage index is judged to be superior to the preset coverage threshold, part of radio frequency receiving links can be closed; and when the current network coverage index is judged to be not better than the preset coverage threshold, further judging that if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links, closing part of the radio frequency receiving links, and adopting the first MIMO type to communicate with the network, if the first MIMO type can not continuously maintain the cell links, continuously maintaining the current radio frequency receiving link configuration. Here, the network coverage index may be evaluated using a received Signal quality parameter, for example, determined using Reference Signal Received Power (RSRP) or the like.
Through the above steps, the terminal in the embodiment of the present invention may close part of the radio frequency receiving link of the terminal, for example, close a receiving path inside a radio frequency front end receiving device and/or a radio frequency chip in the part of the radio frequency receiving link, according to the downlink rate requirement of the service currently initiated by the network, when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, so as to reduce power consumption generated by the radio frequency receiving link.
If the downlink rate requirement of the current service belongs to the guaranteed bit rate service, the embodiment of the present invention may further measure the signal Quality (such as Channel Quality Indication (CQI)) and the Channel spatial correlation (RI) of the current serving cell of the terminal. Then, the terminal judges whether the first data rate supported by the terminal is larger than the downlink rate required to be ensured by the current service according to the highest Modulation and Coding Scheme (MCS), the stream number and the conventional RB number.
If the first data rate is less than or equal to the downlink rate required to be guaranteed by the current service, the terminal keeps the current radio frequency receiving link configuration, and at this time, the terminal does not report the expected MIMO type to the network side, and at this time, the process can be directly ended.
If the first data rate is larger than the downlink rate which needs to be ensured by the current service, the terminal further evaluates a second data rate supported by the terminal after closing a part of radio frequency receiving links (RI rollback), and determines a second MIMO type corresponding to the second data rate. Here, a maximum number of radio frequency receiving links that can be closed may be determined, where the maximum number is such that the second data rate is greater than the downlink rate that needs to be guaranteed by the current service, and when more radio frequency receiving links than the maximum number are closed, the second data rate will be less than or equal to the downlink rate that needs to be guaranteed by the current service. Then, the terminal sends the measured signal quality and channel spatial correlation of the current serving cell, the second MIMO type and the second data rate to the network, and switches a downlink receiving link according to the received MCS, stream number and MIMO type of the terminal fed back by the network. Further, the terminal may also return an acknowledgement message of the MIMO type used by the terminal to the network.
In addition, the embodiment of the invention can also control the power consumption of the radio frequency receiving link of the terminal according to the residual capacity of the terminal. For example, before step 21, the terminal may determine whether the current remaining power is lower than a preset power threshold: and when the current residual electric quantity is lower than a preset threshold, directly closing part of radio frequency receiving links of the terminal so as to avoid shutdown of the terminal due to over-low electric quantity.
It can be seen from the above method that, in the embodiment of the present invention, a part of the radio frequency receiving links are closed under the condition that the service has low requirement on the data downlink rate, so that the radio frequency power consumption can be reduced, and the rate experience of the high-speed service can be ensured.
Correspondingly, an embodiment of the present invention further provides a service transmission method, which is applied to a network side device, such as a base station, and as shown in fig. 3, the method includes:
step 31, the network receives the signal quality and the channel spatial correlation of the current serving cell sent by the terminal, and the second data rate and the corresponding second MIMO type supported by the terminal after closing part of the radio frequency receiving link.
Step 32, the network determines whether the second data rate meets the downlink rate requirement of the current service.
And step 33, when the second data rate meets the downlink rate requirement of the current service, configuring the terminal to adopt the second MIMO type, and sending the second MIMO type and the MCS and stream number information corresponding to the second MIMO type to the terminal.
And step 34, when the second data rate does not meet the downlink rate requirement of the current service, configuring a third MIMO type indicated by the channel spatial correlation and sending the third MIMO type and MCS and stream number information corresponding to the third MIMO type to the terminal.
Through the steps, the network side can determine the MIMO type adopted by the terminal and indicate the MIMO type to the terminal according to the signal quality, the channel space correlation, the second data rate and the corresponding second MIMO type of the current service cell, which are sent in the service initiating process, so that the terminal can switch the downlink receiving link according to the configuration information such as the MIMO type and the like returned by the network, for example, part of the radio frequency receiving links are closed, and the power consumption of the radio frequency receiving links is reduced.
Based on the method, the embodiment of the invention also provides equipment for implementing the method.
Referring to fig. 4, an embodiment of the present invention provides a terminal, including:
a requirement determining unit 41, configured to obtain, by a terminal, a downlink rate requirement of a current service initiated by a network side;
a first control unit 42, configured to close a part of radio frequency receiving links of the terminal according to network signal quality when a downlink rate requirement of a current service belongs to a non-guaranteed bit rate service;
wherein the terminal comprises at least 2 radio frequency receiving links.
Preferably, the terminal further includes:
the first judgment unit is used for judging whether the current residual electric quantity is lower than a preset electric quantity threshold or not;
and the second control unit is used for directly closing part of the radio frequency receiving links of the terminal when the current residual electric quantity is lower than a preset threshold.
Preferably, in the terminal, the first control unit includes:
the second judgment unit is used for judging whether the current network coverage index is superior to a preset coverage threshold or not;
the first processing unit is used for closing part of the radio frequency receiving links when judging that the current network coverage index is superior to a preset coverage threshold;
and the second processing unit is used for closing part of the radio frequency receiving links and communicating with the network by adopting the first MIMO type if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links when judging that the current network coverage index is not better than the preset coverage threshold, and continuously maintaining the current radio frequency receiving link configuration if the first MIMO type can not continuously maintain the cell links.
Preferably, in the terminal, the requirement determining unit is specifically configured to obtain, by the terminal, a quality of service class identifier QCI of a current service from a network side, determine whether a service flow of the current service is a guaranteed bit rate service or a non-guaranteed bit rate service according to the QCI, and determine, when the current service is a guaranteed bit rate service, a downlink rate that needs to be guaranteed by the current service.
Preferably, the terminal further includes:
a measuring unit, configured to measure signal quality and channel spatial correlation of a current serving cell when a downlink rate requirement of a current service belongs to a guaranteed bit rate service;
a third judging unit, configured to judge whether the first data rate supported by the terminal is greater than a downlink rate that needs to be guaranteed by the current service according to the highest modulation and coding scheme MCS, the stream number, and the conventional RB number;
a third processing unit, configured to evaluate a second data rate supported by the terminal after closing a part of radio frequency receiving links when the first data rate is greater than a downlink rate that needs to be guaranteed by a current service, and determine a second MIMO type corresponding to the second data rate;
and a fourth processing unit, configured to send the measured signal quality and channel spatial correlation of the current serving cell, the second MIMO type, and the second data rate to a network, and switch a downlink receiving link according to the received MCS, stream number, and MIMO type of the terminal fed back by the network.
Preferably, the terminal further includes:
and the fifth processing unit is used for keeping the current radio frequency receiving link configuration of the terminal when the first data rate is less than or equal to the downlink rate required to be ensured by the current service.
Referring to fig. 5, fig. 5 is a structural diagram of a terminal according to an embodiment of the present invention, and as shown in fig. 5, the terminal includes: at least one processor 501, memory 502, at least one network interface 504, and a user interface 503. The various components in the terminal are coupled together by a bus system 505. It is understood that the bus system 505 is used to enable connection communications between these components. The bus system 505 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 505 in FIG. 5.
The user interface 503 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, track ball, touch pad, or touch screen, etc.).
It is to be understood that the memory 502 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable ROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration, and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous D RAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SD RAM, ddr SDRAM), Enhanced Synchronous SD RAM (ESDRAM), Synchronous link Dynamic random access memory (Synchronous link D RAM, SLDRAM), and Direct memory bus random access memory (DRRAM). The memory 502 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 502 stores elements, executable modules or data structures, or a subset thereof, or an expanded set thereof as follows: an operating system 5021 and application programs 5022.
The operating system 5021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application 5022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. The program for implementing the method according to the embodiment of the present invention may be included in the application program 5022.
In the embodiment of the present invention, by calling a program or an instruction stored in the memory 502, specifically, a program or an instruction stored in the application 5022, the processor 501 is configured to: acquiring a downlink rate requirement of a current service initiated by a network side; when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, closing part of radio frequency receiving links of the terminal according to the quality of network signals; wherein the terminal comprises at least 2 radio frequency receiving links.
Optionally, the processor 501 is further configured to: judging whether the current residual electric quantity is lower than a preset electric quantity threshold or not; and when the current residual electric quantity is lower than a preset threshold, directly closing part of radio frequency receiving links of the terminal.
Optionally, the processor 501 is further configured to: judging whether the current network coverage index is superior to a preset coverage threshold or not; when the current network coverage index is judged to be superior to the preset coverage threshold, closing part of radio frequency receiving links; and when the current network coverage index is judged not to be better than the preset coverage threshold, if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links, closing part of the radio frequency receiving links, and communicating with the network by adopting the first MIMO type, and if the first MIMO type can not continuously maintain the cell links, continuously maintaining the current radio frequency receiving link configuration.
Optionally, the processor 501 is further configured to: the method comprises the steps of obtaining a service quality grade identification QCI of a current service from a network side, determining whether a service flow of the current service is a guaranteed bit rate service or a non-guaranteed bit rate service according to the QCI, and determining a downlink rate required to be guaranteed by the current service when the current service is the guaranteed bit rate service.
Optionally, the processor 501 is further configured to: measuring the signal quality and the channel spatial correlation of the current serving cell; judging whether a first data rate supported by the terminal is greater than a downlink rate required to be ensured by the current service or not according to the highest modulation coding strategy MCS, the stream number and the conventional RB number; when the first data rate is larger than the downlink rate which needs to be ensured by the current service, evaluating a second data rate supported by the terminal after closing part of the radio frequency receiving link, and determining a second MIMO type corresponding to the second data rate; and sending the measured signal quality and channel spatial correlation of the current serving cell, the second MIMO type and the second data rate to a network, and switching a downlink receiving link according to the received MCS, the stream number and the MIMO type of the terminal fed back by the network.
Optionally, the processor 501 is further configured to: and when the first data rate is less than or equal to the downlink rate required to be ensured by the current service, maintaining the current radio frequency receiving link configuration of the terminal.
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 in the service transmission method executed by the terminal in any of the above method embodiments.
Based on the above method, an embodiment of the present invention further provides a network side device, as shown in fig. 6, where the network side device may be a base station, and as shown in fig. 6, the network side device includes:
a receiver 61, configured to receive signal quality and channel spatial correlation of a current serving cell sent by a terminal, and a second data rate and a corresponding second MIMO type that are supported by the terminal after a partial radio frequency receiving link is closed; when the second data rate meets the downlink rate requirement of the current service, sending a second MIMO type and the MCS and stream number information corresponding to the second MIMO type to the terminal; when the second data rate does not meet the downlink rate requirement of the current service, sending a third MIMO type indicated by the channel space correlation and MCS and stream number information corresponding to the third MIMO type to a terminal;
a processor 62, configured to determine whether the second data rate meets a downlink rate requirement of a current service; when the second data rate meets the downlink rate requirement of the current service, configuring the terminal to adopt the second MIMO type; and when the second data rate does not meet the downlink rate requirement of the current service, configuring a third MIMO type of the channel space correlation indication adopted by the terminal.
Referring to fig. 7, another network side device according to an embodiment of the present invention may be a base station, and as shown in fig. 7, the network side device includes: a processor 700; a memory 720 connected to the processor 700 through a bus interface, and a transceiver 710 connected to the processor 700 through a bus interface; the memory 720 is used for storing programs and data used by the processor in performing operations. When the processor 700 calls and executes the programs and data stored in the memory 720, in particular,
the processor 700 is configured to read the program stored in the memory 720, and is specifically configured to perform the following functions: judging whether the second data rate meets the downlink rate requirement of the current service; when the second data rate meets the downlink rate requirement of the current service, configuring the terminal to adopt the second MIMO type; and when the second data rate does not meet the downlink rate requirement of the current service, configuring a third MIMO type of the channel space correlation indication adopted by the terminal.
The transceiver 710 is configured to receive signal quality and channel spatial correlation of a current serving cell sent by a terminal, and a second data rate and a corresponding second MIMO type that are supported by the terminal after a partial radio frequency receiving link is closed; when the second data rate meets the downlink rate requirement of the current service, sending a second MIMO type and the MCS and stream number information corresponding to the second MIMO type to the terminal; and when the second data rate does not meet the downlink rate requirement of the current service, sending the third MIMO type indicated by the channel space correlation and the MCS and stream number information corresponding to the third MIMO type to the terminal.
Where in fig. 7, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 700 and memory represented by memory 720. The bus architecture 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. The bus interface provides an interface. The transceiver may be a plurality of elements, i.e., including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 may store data used by the processor 700 in performing operations.
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 in the service transmission method executed by the network side device in any of the above method embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A method for service transmission, comprising:
a terminal acquires a downlink rate requirement of a current service initiated by a network side;
when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service, closing part of radio frequency receiving links of the terminal according to the quality of network signals;
the terminal comprises at least 2 radio frequency receiving links;
when the downlink rate requirement of the current service belongs to the guaranteed bit rate service, the method further comprises:
the terminal measures the signal quality and the channel space correlation of the current service cell;
the terminal judges whether the first data rate supported by the terminal is greater than the downlink rate required to be ensured by the current service according to the highest modulation coding strategy MCS, the stream number and the conventional RB number;
when the first data rate is larger than the downlink rate which needs to be ensured by the current service, the terminal evaluates a second data rate supported by the terminal after closing part of the radio frequency receiving link and determines a second MIMO type corresponding to the second data rate;
and the terminal sends the measured signal quality and the channel spatial correlation of the current service cell, the second MIMO type and the second data rate to the network, and switches a downlink receiving link according to the received MCS, the stream number and the MIMO type of the terminal fed back by the network.
2. The method of claim 1, wherein before acquiring the downlink rate requirement of the current service initiated by the network side, the method further comprises:
the terminal judges whether the current residual electric quantity is lower than a preset electric quantity threshold or not;
and when the current residual electric quantity is lower than a preset threshold, directly closing part of radio frequency receiving links of the terminal.
3. The method of claim 1, wherein the step of turning off the partial rf receiving link of the terminal according to the network signal quality comprises:
the terminal judges whether the current network coverage index is superior to a preset coverage threshold or not;
when the current network coverage index is judged to be superior to the preset coverage threshold, closing part of radio frequency receiving links;
and when the current network coverage index is judged not to be better than the preset coverage threshold, if the first MIMO type after closing part of the radio frequency receiving links can continuously maintain the cell links, closing part of the radio frequency receiving links, and communicating with the network by adopting the first MIMO type, and if the first MIMO type can not continuously maintain the cell links, continuously maintaining the current radio frequency receiving link configuration.
4. The method according to claim 1, wherein the step of obtaining the downlink rate requirement of the current service initiated by the network side comprises:
the terminal obtains a service quality grade identification QCI of the current service from a network side, determines whether the service flow of the current service is a guaranteed bit rate service or a non-guaranteed bit rate service according to the QCI, and determines the downlink rate required to be guaranteed by the current service when the current service is the guaranteed bit rate service.
5. The method of claim 1, wherein the terminal maintains a current configuration of the radio frequency receiving link when the first data rate is less than or equal to a downlink rate required to be guaranteed by a current service.
6. A terminal, comprising:
a requirement determining unit, configured to acquire, by a terminal, a downlink rate requirement of a current service initiated by a network side;
the first control unit is used for closing part of radio frequency receiving links of the terminal according to the quality of network signals when the downlink rate requirement of the current service belongs to the non-guaranteed bit rate service;
the terminal comprises at least 2 radio frequency receiving links;
the terminal further comprises:
a measuring unit, configured to measure signal quality and channel spatial correlation of a current serving cell when a downlink rate requirement of a current service belongs to a guaranteed bit rate service;
a third judging unit, configured to judge whether the first data rate supported by the terminal is greater than a downlink rate that needs to be guaranteed by the current service according to the highest modulation and coding scheme MCS, the stream number, and the conventional RB number;
a third processing unit, configured to evaluate a second data rate supported by the terminal after closing a part of radio frequency receiving links when the first data rate is greater than a downlink rate that needs to be guaranteed by a current service, and determine a second MIMO type corresponding to the second data rate;
and a fourth processing unit, configured to send the measured signal quality and channel spatial correlation of the current serving cell, the second MIMO type, and the second data rate to a network, and switch a downlink receiving link according to the received MCS, stream number, and MIMO type of the terminal fed back by the network.
7. A terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor; the service transmission method according to any one of claims 1 to 5 is implemented when the processor executes the program.
8. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the traffic transmission method according to any one of claims 1 to 5.
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