WO2011082680A1 - 一种载波激活方法、装置和系统 - Google Patents
一种载波激活方法、装置和系统 Download PDFInfo
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- WO2011082680A1 WO2011082680A1 PCT/CN2011/070081 CN2011070081W WO2011082680A1 WO 2011082680 A1 WO2011082680 A1 WO 2011082680A1 CN 2011070081 W CN2011070081 W CN 2011070081W WO 2011082680 A1 WO2011082680 A1 WO 2011082680A1
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- Prior art keywords
- activation
- mac
- lcid
- carrier
- activation information
- Prior art date
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- 239000000969 carrier Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 85
- 230000003213 activating effect Effects 0.000 title claims abstract description 9
- 230000004913 activation Effects 0.000 claims abstract description 363
- 230000009849 deactivation Effects 0.000 claims abstract description 132
- 230000011664 signaling Effects 0.000 claims description 147
- 230000008569 process Effects 0.000 claims description 54
- 238000001994 activation Methods 0.000 description 290
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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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
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- 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
- 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
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
-
- 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
-
- 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
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a carrier activation method, apparatus, and system. Background technique
- LTE Long Term Evolution
- LTE-A LTE Advanced, Advanced Long Term Evolution
- the basic principle of carrier aggregation is to work together to meet higher bandwidth requirements by aggregating two or more working carriers.
- the number of working waves in one cell is changed from one to a plurality, and a multi-carrier communication scene is formed.
- the multiple working carriers (upstream or downlink) in the carrier aggregation technology are aggregated together and serve the UE (User Equipment) instead of the LTE system and the previous wireless communication system with only one carrier mode.
- the base station uniformly manages and schedules multiple sets of working carriers.
- the conversion between different working carriers in one base station is only a resource allocation problem.
- the working wave can be continuous or non-continuous.
- the maximum bandwidth of each working wave is 20 MHz, and the bandwidth between the working carriers can be the same or different.
- the network side configures the available carriers of the UE, and the UE can be used for uplink transmission or the system can be used for downlink.
- the UE may not need to receive downlink data of a certain carrier or use a certain carrier for uplink transmission for a period of time. , it will cause the waste of the power of the UE, and the energy saving is not good.
- the network side needs to notify the UE to transmit a certain carrier in time through the multi-carrier activation/deactivation scheme.
- the wave is activated, and the data is received or transmitted by the activated carrier wave.
- Embodiments of the present invention provide a carrier activation method, apparatus, and system for saving power of a UE.
- the embodiment of the invention provides a carrier activation method, which includes the following steps:
- MAC PDU Receiving a media access control protocol data unit MAC PDU from the network side, where the MAC PDU carries activation information through a media access control subhead MAC sub-header corresponding to the media access control control element MAC CE;
- the carrier configured on the network side is activated or deactivated according to the activation information carried by the MAC sub-header.
- the activation information is included in a logical channel identifier LCID of the MAC sub-header, and the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated.
- the activation information is further included in an R bit of the MAC sub-header,
- the R bit is used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the LCID is further used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the activation information is included in an LCID of the MAC sub-header,
- Deactivating or deactivating a carrier configured on the network side according to the activation information carried by the MAC sub-header includes:
- the embodiment of the invention further provides a user equipment, including:
- a receiving module configured to receive a MAC PDU from a network side, where the MAC PDU carries activation information by using a MAC sub-header corresponding to the MAC CE;
- an activation module configured to activate or deactivate a carrier configured on the network side according to the activation information carried by the MAC sub-header received by the receiving module.
- the activation module is configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID and the R bit of the MAC sub-header, where
- the LCID is used to indicate an activation or deactivation process of all available carriers, or an identification of a carrier that needs to be activated or deactivated;
- the R bit is used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the activation module is configured to activate or deactivate a network-configured carrier according to the activation information included in the LCID of the MAC sub-header, where
- the LCID is used to indicate the activation or deactivation process of all available carriers, or the identification of the carrier that needs to be activated or deactivated.
- the activation module is configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID of the MAC sub-header, where
- the LCID is used to indicate an activation or deactivation process of all available carriers, or an identification of a carrier that needs to be activated or deactivated;
- the LCID is also used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the activation module is configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID of the MAC sub-header and the content of the MAC CE corresponding to the MAC sub-header.
- the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling.
- the content of the MAC CE carries an identifier of a carrier that needs to be activated or deactivated.
- the embodiment of the invention further provides a method for activating a wave carrier, comprising the following steps:
- the PDU carries the activation information by using a MAC sub-header corresponding to the MAC CE;
- the activation information is included in a logical channel identifier LCID of the MAC sub-header, and the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated.
- the activation information is further included in an R bit of the MAC sub-header,
- the R bit is used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the LCID is further used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the activation information is included in an LCID of a MAC sub-header, and a MAC CE corresponding to the MAC sub-header, where
- the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling;
- the MAC CE carries an identifier of a carrier that needs to be activated or deactivated.
- the embodiment of the invention further provides a network device, including:
- a configuration module configured to configure a MAC PDU that carries the activation information corresponding to the available carrier of the user equipment, where the MAC PDU carries the activation signal sending module by using a MAC sub-header corresponding to the MAC CE, and configured to configure the configuration module
- the MAC PDU carrying the activation information is sent to the user equipment, so that the user equipment activates or deactivates the available carrier according to the activation information.
- the configuration module is configured to configure the activation information into an LCID and an R bit of the MAC sub-header, where The LCID is used to indicate an activation or deactivation process of all available carriers, or an identification of a carrier that needs to be activated or deactivated;
- the R bit is used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the configuration module is configured to configure the activation information into an LCID of the MAC sub-header, where
- the LCID is used to indicate the activation or deactivation process of all available carriers, or the identification of the carrier that needs to be activated or deactivated.
- the configuration module is specifically configured to configure the activation information into an LCID of the MAC sub-header.
- the LCID is used to indicate an activation or deactivation process of all available carriers, or an identification of a carrier that needs to be activated or deactivated;
- the LCID is also used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the configuration module is specifically configured to configure the activation information to an LCID of the MAC sub-header, and a MAC CE corresponding to the MAC sub-header,
- the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling;
- the MAC CE carries an identifier of a carrier that needs to be activated or deactivated.
- the embodiment of the invention further provides a carrier activation system, comprising:
- a network device configured to send a MAC PDU carrying the activation information corresponding to the available device of the user equipment, and send the MAC PDU carrying the activation information to the user equipment, where the MAC PDU passes the MAC sub-header corresponding to the MAC CE Carrying the activation information;
- a user equipment configured to receive a MAC PDU carrying the activation information from the network device, and activate or deactivate the carrier configured on the network side according to the activation information.
- the embodiment of the present invention uses a MAC (Media Access Control) CE (Control Element) and a corresponding sub-header (sub-header).
- the design of the carrier activation/deactivation signaling enables the UE to The UE decoding delay can be reduced under the premise of ensuring the validity of the signaling reception, the system performance is improved, and the power of the UB is saved.
- the LCID Logical Channel ID
- the reserved bit is used to distinguish whether to activate or deactivate the signal. Therefore, the bit overhead can be reduced.
- FIG. 1 is a flowchart of a method for activating a wave carrier according to Embodiment 1 of the present invention
- FIG. 2 is a flowchart of a method for activating a wave carrier according to Embodiment 2 of the present invention
- Figure 3 is a schematic diagram of a format of a MAC PDU
- Figure 4 is a schematic diagram of the format of a sub-header in the MAC CE
- FIG. 5 is a flowchart of a carrier activation method according to Embodiment 3 of the present invention.
- FIG. 6 is a schematic structural diagram of a user equipment according to Embodiment 4 of the present invention.
- FIG. 7 is a schematic structural diagram of a network device according to Embodiment 5 of the present invention.
- FIG. 8 is a schematic structural diagram of a carrier activation system according to Embodiment 6 of the present invention. Detailed ways
- the core idea is to carry the signaling that informs the UE to perform multi-carrier activation or deactivation in the MAC PDU (Protocol Data Unit) of the MAC layer, based on the MAC CE and the MAC sub
- the -header field which is designed to be associated with the signaling format associated with the wave activation and deactivation process.
- the signaling may be represented by a MAC sub-header indicating activation and deactivation of all available carriers of the UE, where the LCID adopts one of the currently reserved bit manners, and the R bit indicates that the signaling is an activation signal.
- the activation signaling and the deactivation signaling may be directly distinguished by the LCID, and the MAC CE field is used to indicate the identifier of the UE that needs to activate or deactivate the carrier or other information that can correspond to the carrier.
- FIG. 1 it is a flowchart of a method for activating a carrier wave according to the first embodiment of the present invention, which includes the following steps:
- Step 101 Receive a MAC PDU from a network side, where the MAC PDU carries activation information through a MAC sub-header corresponding to the MAC CE.
- Step 102 Activate or deactivate the device configured on the network side according to the activation information carried by the MAC sub-header.
- the activation information may be included in the LCID and R bits of the MAC sub-header, where the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated; Indicates the type of activation information, including activation signaling or deactivation signaling.
- the above LCID uses a reserved bit pattern to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated.
- the activation information may also be included only in the LCID of the MAC sub-header, which is used to indicate the activation or deactivation process of all available carriers, or the identity of the carrier that needs to be activated or deactivated.
- the LCID uses a reserved bit manner to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identifier of the carrier to be activated or deactivated, and may not indicate the activation information. Types of. After receiving the LCID, the terminal side may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID.
- the terminal side deactivates all available carriers; The current state of all available carriers is the deactivated state, and the terminal side activates all available carriers.
- the terminal side deactivates the carrier; if the current state of the carrier indicated by the LCID on the terminal side In the deactivated state, the terminal side activates the carrier wave.
- the LCID may also be used to indicate the type of the activation information, including activation signaling or go Activate signaling.
- the above LCID uses two reserved bit modes to indicate the activation or deactivation process of all available carriers. One reserved bit mode is used to indicate activation of all available carriers, and another reserved bit mode is used to indicate Deactivate all available carriers.
- the activation or deactivation of the network-side configured carrier is performed according to the activation information carried by the MAC sub-header, and specifically includes: according to the LC sub-header in the LCID
- the activation information, and the content of the MAC CE corresponding to the MAC sub-header activates or deactivates the device configured on the network side, where the LCID is used to indicate the type of the activation information, including activation signaling and/or Or deactivating signaling; the content of the MAC CE carries an identifier of a carrier that needs to be activated or deactivated.
- the LCID may be in a reserved bit manner to indicate that the type of the activation information is the activation signaling and the deactivation signaling.
- the terminal may obtain the current state of the carrier according to the corresponding MAC CE. , activate or deactivate the carrier. If the current state of the carrier indicated by the MAC CE on the terminal side is the active state, the terminal side deactivates the carrier; if the current state of the carrier indicated by the MAC CE on the terminal side is the deactivated state, the terminal side The carrier wave is activated.
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- FIG. 2 it is a flowchart of a method for activating a carrier wave according to Embodiment 2 of the present invention, which includes the following steps:
- Step 201 Configure a MAC PDU carrying the activation information corresponding to the available carrier of the user equipment, where the MAC PDU carries the activation information by using a MAC sub-header corresponding to the MAC CE.
- Step 202 Send the MAC PDU carrying the activation information to the user equipment, so that the user equipment activates or deactivates the available carrier according to the activation information.
- the activation information may be included in the LCID and R bits of the MAC sub-header, where the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated;
- the type indicating the activation information includes activation signaling or deactivation signaling.
- the above LCID uses a reserved bit pattern to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated.
- the activation information may also be included in the LCID of the MAC sub-header, which is used to indicate the activation or deactivation process of all available carriers, or the identity of the carrier that needs to be activated or deactivated.
- the above LCID uses a reserved bit manner to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated, and may not indicate the activation information. Types of. After receiving the LCID, the user equipment may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID.
- the LCID when the LCID is used to indicate the activation or deactivation process of all available carriers, if the current state of all available carriers of the user equipment is an active state, the user equipment deactivates all available carriers; if all of the user equipments The current state of the available carrier is the deactivated state, and the user equipment activates all available carriers.
- the LCID is used to indicate the identifier of the carrier that needs to be activated or deactivated, if the current state of the carrier indicated by the LCID of the user equipment is the active state, the user equipment deactivates the carrier; if the LCID of the user equipment indicates The current state of the carrier is the deactivated state, and the user equipment activates the carrier.
- the LCID When the activation information is only included in the LCID of the MAC sub-header, and the LCID is used to represent the When there is an activation or deactivation process of the available carrier, the LCID can also be used to indicate the type of the activation information, including activation signaling or deactivation signaling.
- the LCID uses two reserved bit modes to indicate the activation or deactivation process of all available carriers. One reserved bit mode is used to indicate activation of all available carriers, and another reserved bit mode is used to indicate pairing. All available carriers are deactivated.
- the activation information may also be included in the MAC ID of the MAC sub-header, and the MAC CE corresponding to the MAC sub-header, where the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling;
- the MAC CE carries the identity of the carrier that needs to be activated or deactivated.
- the LCID may be in a reserved bit manner to indicate that the type of the activation information is the activation signaling and the deactivation signaling.
- the user equipment may be based on the current state of the carrier indicated by the corresponding MAC CE. The plant is activated or deactivated.
- the user equipment deactivates the carrier; if the current state of the carrier indicated by the MAC CE of the user equipment is the deactivated state, the user equipment pair This carrier is activated.
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- the format of the MAC PDU used by the carrier activation method in the embodiment of the present invention is as shown in FIG. 3.
- the MAC PDU is composed of a MAC header, a MAC SDU (Service Data Units), a MAC CE, and an optional padding bit, wherein the sizes of the MAC header and the MAC SDU are all changed.
- the MAC header corresponds to a MAC SDU or a MAC CE.
- the MAC SDU and the MAC CE are placed into the MAC PDU in order. When the number of MAC PDUs is insufficient, the padding is performed.
- the format of the sub-header in the MAC CE includes R bits, E bits, and LCID. Wherein, the R bit is a reserved (R) field; the E bit is an extension (E) field, which is a flag bit.
- the E bit When the E bit is 1, it indicates that the MAC is valid payload; when the E bit is 0 indicates that the LCID is followed by the LCID; the LCID is the additional information of the E domain, and is used to indicate the corresponding MAC CE, which is an instance of the logical channel corresponding to the MAC SDU.
- Each MAC SDU has an LCID field, and the size of the LCID field is 4 bits.
- FIG. 5 it is a flowchart of a carrier activation method according to Embodiment 3 of the present invention, which specifically includes the following steps:
- Step 501 The network device configures a MAC PDU that carries the activation information corresponding to the available device of the user equipment, and the MAC PDU carries the activation information by using a MAC sub-header corresponding to the MAC CE.
- Step 502 The network device sends the MAC PDU carrying the activation information to the user equipment.
- Step 503 The user equipment receives a MAC PDU from a network device, where the MAC PDU passes The MAC sub-header corresponding to the MAC CE carries activation information.
- Step 504 The user equipment activates or deactivates the carrier configured on the network side according to the activation information carried by the MAC sub-header.
- each MAC CE field related to multi-carrier activation/deactivation includes the following two schemes: (1) The MAC sub-header is used to indicate the activation/deactivation process of all available carriers of the UE.
- the LCID in the sub-header adopts one of the currently reserved bit modes, for example, 01011, to indicate the activation/deactivation process of all available carrier waves of the UE, and does not need to design a specific MAC Cli field content, that is, sub- The MAC CE padding bit corresponding to the header is zero.
- the LCID may not indicate the type of activation information.
- the UE may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID. Specifically, if the current state of all available carriers of the UE is an active state, the UE deactivates all available carriers; if the current state of all available carriers of the UE is a deactivated state, the UE activates all available carriers.
- the R bit in the sub-header can also be used to indicate whether the signaling is activated or deactivated.
- the coding scheme may be: when the R bit is set to 1, it indicates that the signaling is the carrier activation signaling; when the R bit is set to 0, it indicates that the signaling is the carrier deactivation signaling.
- the opposite of the above encoding scheme can also be employed.
- the LCID when the LCID indicates the activation/deactivation process of all available carriers of the UE, the LCID can also be used to distinguish whether the signaling is activation signaling or deactivation signaling, for example, 01011 indicates carrier activation, and 01101 indicates carrier deactivation signaling. .
- the MAC sub-header field is used to indicate that the UE needs to activate/deactivate the identity of the carrier.
- the LCID in the sub-header adopts one of the currently reserved bit modes, for example, 01011, to indicate that the UE needs to activate/deactivate the carrier identifier of the carrier in the MAC CE corresponding to the sub-header.
- the LCID may not indicate the type of activation information.
- the UE may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID. Specifically, if the current state of the carrier indicated by the LCID of the IJE is an active state, the UE deactivates the carrier; if the current state of the carrier indicated by the LCID of the UE is a deactivated state, the UE The carrier is activated.
- the R bit in the sub-header can also be used to indicate whether the signaling is activated or deactivated.
- the coding scheme is: R bit is set to 1, indicating The signaling is a carrier activation; the R bit is set to 0, indicating that the signaling is carrier deactivation signaling, and of course, the opposite setting to the above coding scheme may also be employed.
- the MAC CE can carry the activated/deactivated carrier identification, or other information that can indicate the corresponding activation/deactivation of the carrier. And use LCID to distinguish whether signaling is activation signaling or deactivation signaling. Specifically, the LCID may be in a reserved bit manner to indicate that the type of the activation information is the activation signaling and the deactivation signaling. After receiving the LCID, the UE may be based on the current state of the carrier indicated by the corresponding MAC CE. The carrier is activated or deactivated.
- the UE deactivates the carrier wave; if the current state of the carrier indicated by the MAC CE of the UE is the deactivated state, the UE performs the carrier wave activation.
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling. For example, 01011 indicates that the type of activation information is activation signaling, and 01101 indicates that the type of activation information is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- the present invention further provides an apparatus and system for applying the above-described carrier activation method.
- FIG. 6 is a schematic structural diagram of a user equipment according to Embodiment 4 of the present invention, including: a receiving module 610, configured to receive a MAC PDU from a network side, where the MAC PDU passes
- the MAC sub-header corresponding to the MAC CE carries activation information.
- the activation module 620 is configured to carry the MAC sub-header according to the receiving module 610. Live information, activate or deactivate the carrier configured on the network side.
- the activation module 620 is specifically configured to activate or deactivate a network-configured carrier according to the activation information included in the LCID and the R bit of the MAC sub-header, where the LCID is used to indicate all available carriers.
- the activation or deactivation process, or the identification of the carrier that needs to be activated or deactivated; the R bit is used to indicate the type of activation information, including activation signaling or deactivation signaling.
- the above LCID uses a reserved bit pattern to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated.
- the activation module 620 is further configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID of the MAC sub-header, where the LCID is used to indicate activation or deactivation of all available carriers.
- the LCID uses a reserved bit manner to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identifier of the carrier to be activated or deactivated, and may not indicate the activation information. Types of.
- the activation module 620 can activate or deactivate the carrier based on the current state of the carrier indicated by the LCID.
- the activation module 620 deactivates all available carriers; if the current state of all available carriers To deactivate the state, the activation module 620 activates all available carriers.
- the LCID is used to indicate the identifier of the carrier that needs to be activated or deactivated, if the current state of the carrier indicated by the LCID is the active state, the activation module 620 deactivates the carrier; if the LCID indicates the carrier The current state is the deactivated state, and the activation module 620 activates the carrier.
- the activation module 620 is further configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID of the MAC sub-header, where
- the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated; the LCID is also used to indicate the type of the activation information, including activation signaling or deactivation signaling. make.
- the above LCID uses two reserved bit modes to indicate the activation or deactivation process of all available carriers, and a reserved bit mode is used to indicate that all available carriers are activated. Another reserved bit pattern is used to indicate that all available carriers are deactivated.
- the activation module 620 is further configured to activate or deactivate a carrier configured on the network side according to the activation information included in the LCID of the MAC sub-header and the content of the MAC CE corresponding to the MAC sub-header, where
- the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling.
- the content of the MAC CE carries an identifier of a carrier that needs to be activated or deactivated. Specifically, the foregoing LCID may indicate that the type of the activation information is activation signaling and deactivation signaling in a reserved bit manner.
- the activation module 620 can activate or deactivate the carrier based on the current state of the carrier indicated by the MAC CE.
- the activation module 620 deactivates the carrier; if the current state of the carrier indicated by the MAC CE is the deactivated state, the activation module 620 activates the carrier. .
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- FIG. 7 is a schematic structural diagram of a network device according to Embodiment 5 of the present invention, including: a configuration module 710, configured to configure a MAC PDU carrying activation information corresponding to an available carrier of a user equipment, where the MAC PDU passes through a MAC.
- the MAC sub-header corresponding to the CE carries the activation information sending module 720, and is configured to send the MAC PDU carrying the activation information configured by the configuration module 710 to the user equipment, so that the user equipment is configured according to the activation information.
- the carrier can be activated or deactivated.
- the foregoing configuration module 710 is specifically configured to configure the activation information into an LCID and an R bit of the MAC sub-header, where the LCID is used to indicate activation or deactivation of all available carriers.
- the LCID is used to indicate activation or deactivation of all available carriers.
- the above LCID uses a reserved bit pattern to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated.
- the configuration module 710 is further configured to configure the activation information into an LCID of the MAC sub-header, where the LCID is used to indicate an activation or deactivation process of all available carriers, or needs to be activated or deactivated.
- the identification of the activated carrier The LCID uses a reserved bit manner to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identifier of the carrier to be activated or deactivated, and may not indicate the activation information. Types of.
- the user equipment may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID.
- the LCID when the LCID is used to indicate the activation or deactivation process of all available carriers, for example, the current state of all available carriers of the user equipment is an active state, the user equipment deactivates all available carriers; The current state of all available carriers is deactivated, and the user equipment activates all available carriers.
- the LCID is used to indicate the identifier of the carrier that needs to be activated or deactivated, if the current state of the carrier indicated by the LCID of the user equipment is the active state, the user equipment deactivates the carrier; if the LCID indication of the user equipment The current state of the carrier is deactivated, and the user equipment activates the carrier.
- the foregoing configuration module 710 is specifically configured to configure the activation information to the MAC.
- the LCID of the sub-header the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated; the LCID is also used to indicate the type of the activation information, including Activate signaling or deactivate signaling.
- the LCID mode described above is used to indicate activation of all available carriers, and the other reserved bit mode is used to indicate deactivation of all available carriers.
- the foregoing configuration module 710 is further configured to configure the activation information to the MAC
- the LCID of the sub-header, and the MAC CE corresponding to the MAC sub-header, the LCID is used to indicate the type of the activation information, including activation signaling and/or deactivation signaling;
- the identification of the carrier that needs to be activated or deactivated may be in a reserved bit manner to indicate that the type of the activation information is the activation signaling and the deactivation signaling.
- the user equipment may be based on the current state of the carrier indicated by the corresponding MAC CE. Activate or deactivate the carrier.
- the user equipment deactivates the carrier; if the current state of the carrier indicated by the MAC CE of the user equipment is a deactivated state, the user The device activates the carrier.
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- FIG. 8 is a schematic structural diagram of a carrier activation system according to Embodiment 6 of the present invention, including: a network device 810, configured to configure a MAC PDU carrying activation information corresponding to an available carrier of the user equipment 810, and the carrying The MAC PDU of the activation information is sent to the user equipment 820, and the MAC PDU carries the activation information through a MAC sub-header corresponding to the MAC CE.
- the user equipment 820 is configured to receive a MAC PDU carrying the activation information from the network device 810, and activate or deactivate the carrier configured on the network side according to the activation information.
- the activation information may be included in the LCID and R bits of the MAC sub-header, where the LCID is used to indicate an activation or deactivation process of all available carriers, or an identifier of a carrier that needs to be activated or deactivated; Indicates the type of activation information, including activation signaling or deactivation signaling.
- the above LCID uses a reserved bit pattern to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identity of the carrier that needs to be activated or deactivated.
- the activation information may also be included only in the LCID of the MAC sub-header, which is used to indicate the activation or deactivation process of all available carriers, or the identity of the carrier that needs to be activated or deactivated.
- the LCID uses a reserved bit manner to indicate the activation or deactivation process of all available carriers, and uses one or more reserved bits to indicate the identifier of the carrier to be activated or deactivated, and may not indicate the activation information. Types of.
- the user equipment 820 may activate or deactivate the carrier according to the current state of the carrier indicated by the LCID.
- the LCID when the LCID is used to indicate an activation or deactivation process of all available carriers, if the current state of all available carriers of the user equipment 820 is an active state, the user equipment 820 deactivates all available carriers; if the user equipment The current state of all available carriers of 820 is deactivated, and user equipment 820 activates all available carriers.
- the LCID is used to indicate the identifier of the carrier that needs to be activated or deactivated, if the current state of the carrier indicated by the LCID of the user equipment 820 is the active state, the user equipment 820 deactivates the carrier; if the user equipment 820 The current state of the carrier indicated by the LCID is a deactivated state, and the user equipment 820 activates the carrier.
- the LCID may also be used to indicate the type of the activation information, including activation signaling or Deactivate signaling.
- the above LCID uses two reserved bit modes to indicate the activation or deactivation process of all available carriers. One reserved bit mode is used to indicate activation of all available carriers, and another reserved bit mode is used to indicate Deactivate all available carriers.
- the activation or deactivation of the carrier configured on the network side according to the activation information carried in the MAC sub-header includes: activation according to the LCID of the MAC sub-header The information, and the content of the MAC CE corresponding to the MAC sub-header, activate or deactivate the network-configured bearer, where the LCID is used to indicate the type of the activation information, including activation signaling and/or Deactivation signaling; the content of the MAC CE carries an identifier of a carrier that needs to be activated or deactivated.
- the LCID may be in a reserved bit manner to indicate that the type of the activation information is the activation signaling and the deactivation signaling.
- the user equipment 820 may be based on the current carrier indicated by the corresponding MAC CE. State, activate or deactivate the carrier. If the current state of the carrier indicated by the MAC CE of the user equipment 820 is an active state, the user equipment 820 deactivates the carrier wave; if the current state of the carrier wave indicated by the MAC CE of the user equipment 820 is a deactivated state, User equipment 820 then activates the carrier.
- the LCID may also use two reserved bit manners to indicate the type of activation information, one reserved bit mode for indicating that the type of activation information is activation signaling, and another reserved bit mode for indicating activation information.
- the type is deactivation signaling.
- the embodiment of the present invention uses the MAC CE and the corresponding sub-header to perform carrier activation/deactivation signaling, so that the UE can reduce the UE decoding delay, improve system performance, and save the UE while ensuring the validity of the signaling reception.
- using LCID or reserved bits to distinguish between activation or deactivation signaling can reduce bit overhead.
- the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
- Implementation Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product.
- the computer software product is stored in a storage medium and includes a plurality of instructions.
- a terminal device (which may be a cell phone, a personal computer, a server, or a network device, etc.) is caused to perform the method described in various embodiments of the present invention.
- modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
- the modules of the above embodiments may be integrated into one or may be deployed separately; they may be combined into one module, or may be further split into multiple sub-modules.
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RU2012131058/08A RU2534923C2 (ru) | 2010-01-07 | 2011-01-07 | Способ, устройство и система активации несущих частот |
KR1020127020350A KR101391255B1 (ko) | 2010-01-07 | 2011-01-07 | 반송파 활성화 방법, 장치 및 시스템 |
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CN201010033939.XA CN102123487B (zh) | 2010-01-07 | 2010-01-07 | 一种载波激活方法、装置和系统 |
CN201010033939.X | 2010-01-07 |
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WO2023092434A1 (en) * | 2021-11-26 | 2023-06-01 | Zte Corporation | Carrier activation/deactivation and carrier frequency activation/deactivation |
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CN105813132B (zh) * | 2014-12-29 | 2019-07-23 | 普天信息技术有限公司 | 一种lte-a的载波去激活方法及系统 |
CN106304281B (zh) * | 2015-05-14 | 2019-07-12 | 普天信息技术有限公司 | 一种辅小区的激活和去激活方法和系统 |
CN107734659B (zh) * | 2016-08-11 | 2023-06-20 | 中兴通讯股份有限公司 | 一种随机接入载波的指配方法及装置、电子设备 |
EP3550867A4 (en) * | 2016-12-23 | 2019-12-04 | Huawei Technologies Co., Ltd. | METHOD AND DEVICE FOR SESSION ACTIVATION AND SYSTEM |
CN110140316B (zh) | 2017-01-04 | 2020-11-17 | Oppo广东移动通信有限公司 | Rlc层状态报告控制pdu的传输方法及相关设备 |
CN107342851B (zh) * | 2017-06-15 | 2020-05-26 | 电信科学技术研究院 | 一种重复传输的配置及重复传输方法及装置 |
CN111835477B (zh) * | 2019-04-22 | 2022-04-05 | 华为技术有限公司 | 一种通信方法及设备 |
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HUP0002950A2 (hu) | 2000-07-27 | 2002-01-28 | Tamás Lajtner | Eljárás fizető adathordozók felhasználásával működő rendszer üzemeltetésére, valamint rendszer e célra |
KR100926707B1 (ko) * | 2002-11-05 | 2009-11-17 | 엘지전자 주식회사 | 이동통신 시스템의 데이터 통신방법 |
KR100921241B1 (ko) * | 2004-06-16 | 2009-10-12 | 엘지전자 주식회사 | 통신 시스템의 데이터 유닛 처리 시스템 |
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- 2011-01-07 RU RU2012131058/08A patent/RU2534923C2/ru active
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EP1292061A1 (en) * | 2001-09-06 | 2003-03-12 | Samsung Electronics Co., Ltd. | Multicarrier wireless data communication method and apparatus, and transmission frame format therefor |
WO2006124204A1 (en) * | 2005-05-12 | 2006-11-23 | Motorola Inc. | Apparatus and method for establishing an active set of carriers for a receiver |
CN101547477A (zh) * | 2008-03-25 | 2009-09-30 | 华为技术有限公司 | 一种多载波/小区系统中的载频控制方法和装置 |
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WO2023092434A1 (en) * | 2021-11-26 | 2023-06-01 | Zte Corporation | Carrier activation/deactivation and carrier frequency activation/deactivation |
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RU2534923C2 (ru) | 2014-12-10 |
CN102123487B (zh) | 2014-08-06 |
KR20120115352A (ko) | 2012-10-17 |
RU2012131058A (ru) | 2014-01-27 |
KR101391255B1 (ko) | 2014-05-02 |
CN102123487A (zh) | 2011-07-13 |
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