CN103024803B - A kind of method of 7G carrier aggregation systems and its cross-system measurement - Google Patents
A kind of method of 7G carrier aggregation systems and its cross-system measurement Download PDFInfo
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Abstract
The present invention discloses a kind of method of 7G carrier aggregation systems and its cross-system measurement, and this method includes：The non-compressed mode measurement capability of itself is reported eNB by terminal according to instruction；Measurement control configuration parameter is sent to the terminal in RRC connected states by eNB according to the non-compressed mode measurement capability；Terminal controls configuration parameter according to the measurement received, and wireless measurement is carried out to target frequency point cell in 4G systems, and utilizes the non-compressed mode measurement capability of itself, carries out cross-system wireless measurement to 3G targets frequency point cell, measurement result is reported into eNB.Technique according to the invention scheme, it can realize and be measured in 7G carrier aggregation systems using the non-compressed mode of cross-system.
Description
Technical Field
The invention relates to a digital mobile communication technology, in particular to a 7G carrier aggregation system and a cross-system measurement method thereof.
Background
In a Wideband Code Division Multiple Access (WCDMA) Network, a Universal Terrestrial Radio Access Network (UTRAN) includes two basic Network elements, namely a Radio Network Controller (RNC) and a base station (NB, NodeB), which are commonly referred to as a 3G Network. In a Long Term Evolution (LTE) network, an evolved universal terrestrial radio access network (E-UTRAN) includes an evolved base station (eNB, eNodeB), which is a basic network element and is commonly referred to as a 4G network.
With the development of WCDMA networks, High Speed downlink Packet Access (HSDPA, High Speed downlink Packet Access), High Speed uplink Packet Access (HSUPA, High Speed uplink Packet Access), Dual Carrier High Speed downlink Packet Access (DC-HSDPA, Dual Carrier-High Speed downlink Packet Access), Dual Carrier High Speed uplink Packet Access (DC-HSUPA, Dual Carrier-High Speed downlink Packet Access), Four Carrier High Speed downlink Packet Access (4C-HSDPA, Four Carrier-High Speed downlink Packet Access), Eight Carrier High Speed downlink Packet Access (8C-High Speed downlink Packet Access), multi Carrier High Speed downlink Packet Access (3G-multi Carrier system, such as HSDPA, multi Carrier system, the uplink and downlink data transmission rate of the UE is continuously increased by times. For the above-mentioned multi-carrier aggregation techniques with different dimensions, taking the following row direction as an example, an important basic feature is: the UE must be equipped with multiple 3G-related receive data processing chains (3G-Receiver Chain), and can simultaneously receive and process 3G data blocks sent from the same base station, the same sector (sector), and uplink and downlink of several carriers. WCDMA systems evolving to this day are also known as: the HSPA + system (High Speed Packet Access +), hereinafter collectively referred to as 3G HSPA +.
With the development of LTE networks, technologies (CA) similar to the 3G HSPA + multi-carrier aggregation concept are also gradually produced and implemented, and by taking the following direction as an example, up to now, the LTE system can maximally aggregate 5 carriers with a downlink bandwidth of 20MHz, and one important basic feature is that: the UE must be equipped with multiple 4G-related receive data processing chains (4G-Receiver Chain), and can simultaneously receive and process 4G data blocks transmitted from the same base station, the same sector (sector), and several carriers in uplink and downlink.
In the long-term process of an operator to evolve a deployed 3G HSPA + network to a 4G LTE network, it is necessary to take a long time, and the two systems coexist and work cooperatively, and share the tasks of downlink and uplink data transmission from or towards the core network side, such as: an operator has two carrier frequency point resources F1 and F2, F1 is allocated to the 3G HSPA + network operation, and F2 is allocated to the 4G LTE network operation. In the network, a terminal with only 3G function can only operate on F1, a terminal with only 4G function can only operate on F2, and a terminal with 3G and 4G functions (a dual-mode terminal with 3G and 4G network serving cell data transmission and signal measurement capabilities) can only operate on F1 or F2 at the same time, but cannot operate on F1 and F2 at the same time. In order to fully utilize the receiving capability of the dual-mode UE and improve the frequency point resource utilization rate and the terminal downlink peak rate, a 7G carrier aggregation technology (3G +4G) is also called a cross-HSPA + LTE system carrier aggregation technology.
At present, a rudimentary architecture of the 7G technology is disclosed, and fig. 1 is an architecture schematic diagram of the 7G technology in the prior art, as shown in fig. 1, a base station eNB of LTE serves as a main control anchor point and a data offloading control point for a terminal to perform unique RRC connection, and a UE receives a part of user data from a Physical Downlink Shared Channel (PDSCH) under the control of a scheduling command (such as resource allocation and HARQ operation related information) in a Physical Downlink Control Channel (PDCCH) on a certain working carrier of the eNB in a Downlink direction (base station to UE). Meanwhile, the UE receives another part of user data from the High-Speed downlink Shared Channel (HS-DSCH) under the control of a scheduling command of the High-Speed Shared control Channel (HS-SCCH) on a certain operating carrier of the NodeB. The anchor eNB is responsible for distributing the upper layer protocol data packet generated by the anchor eNB, and according to a certain mode, determining which part is sent from an air interface of LTE and which part is sent from an air interface of HSPA +. The protocol data packet allocated to the NodeB is transmitted via a new interface between the eNB and the NodeB and is transmitted by the NodeB according to its protocol features and in the form of an HSPA + air interface. If the eNB and NodeB are intra-site, the new interface can be simplified to an internal interface.
In the Uplink direction (from the UE to the base station), the UE at least needs to configure a Physical Uplink Control Channel (PUCCH) on an Uplink frequency point paired with an eNB working downlink frequency point, and send Control information on the PUCCH, where the Control information includes contents such as HARQ operation correlation (correct reception acknowledgement ACK/NACK), a scheduling request, a received Channel quality indication, and the like, so as to feed back necessary information related to LTE downlink high-speed data transmission. Whether the UE needs to send a High-Speed Dedicated physical control Channel (HS-DPCCH) on an uplink frequency point paired with a downlink frequency point for NodeB operation to feed back necessary information related to HSPA + downlink High-Speed data transmission is currently under study. Generally, in order to reduce uplink transmission power of the UE, and reduce uplink interference and UE internal signal interference, it is preferable that the UE performs single system uplink physical feedback only on an LTE air interface, rather than performing uplink physical feedback on two systems simultaneously.
The 7G multi-carrier aggregation technology does not conflict with the respective independent carrier aggregation technology in the 3G HSPA + or 4G LTE system, that is: the UE may perform data reception on the HSPA + M carrier frequency points, and may perform data reception on the LTE N carrier frequency points. As shown in fig. 2, the network configures two downlink carriers for the terminal at frequency points F1 and F2 of 4G, where F1 is a downlink primary carrier corresponding to a primary serving cell Pcell, and F2 is a downlink secondary carrier corresponding to a secondary serving cell Scell; meanwhile, the network terminals configure two downlink carriers on the 3G frequency points F3 and F4. In addition, the network may have some other available frequency point resources available for configuration, depending on the quality of the radio signal and the size of the load on these frequency points.
The eNB is the only main control anchor point connected with the RRC and is called a 4G LTE (Long term evolution) system as a main control system, and one 4G downlink main carrier and a plurality of 4G downlink auxiliary carriers are maintained; and the 3G HSPA + system is controlled by the eNB, called 3G HSPA + as an auxiliary control system, and the maintained 3G downlink carriers are still downlink auxiliary carriers for the whole 7G carrier group. In an ideal state, the eNB and the NB provide the optimal 7G carrier combination configuration for each terminal with 7G capability according to the radio and resource conditions of all usable 4G and 3G downlink carrier frequency points of the eNB and the NB, such as the downlink radio link signal quality and the downlink carrier load. To make such carrier group optimal configuration quickly and in real time, the eNB must rely on the terminal to measure the wireless environment in which the terminal is located and report the wireless measurement result to the eNB, so that based on the information, the eNB makes decisions and reconfigurations according to an internal algorithm.
In the 4G LTE system, when a terminal in an RRC CONNECTED state (RRC _ CONNECTED) performs wireless measurement on a target cell outside a frequency or on an outer carrier plane of the 4G system, the measurement is usually performed by using some downlink Idle Periods (DL) generated by Discontinuous Reception (DRX) technology or upper layer packet scheduling (packet scheduling). In a 3G HSPA + system, when a terminal in an RRC dedicated state (Cell _ DCH) performs a wireless measurement on a target Cell outside a frequency or on an outside carrier plane of the 3G system, it is usually implemented by using some downlink idle periods generated by a Compressed Mode (CM) or an upper layer packet scheduling technique. Simulation shows that: both the upper layer packet scheduling mode and the compressed mode have adverse effects on the downlink capacity of the system and the service experience of the user, so that careful starting and using are required. Taking 3G HSPA + carrier aggregation as an example, in order to maintain and optimize a better configured carrier group, the terminal needs to perform a more frequent off-frequency measurement task. To overcome the drawbacks of compressed mode as a representative of such technologies, the Measurement Capability (Measurement Capability) of Rel8DC-HSDPA multi-carrier capable UE may include a Capability (adjacencies frequency Measurement switching) that the UE may not start compressed mode for measuring a downlink adjacent secondary carrier. Similarly, the measurement capability of the Rel9DB-HSDPA multi-carrier capable UE may include a capability that the UE may not start the compressed mode when measuring a downlink same-system different-frequency-band secondary carrier (inter-band frequency measurements with out compressed mode). Similarly, the measurement capability of the Rel104C-HSDPA multi-carrier capable UE includes a capability of measuring two downlink same-frequency-band adjacent secondary carriers without starting a compressed mode (enhanced inter-frequency measurements with compressed mode).
When the terminal is in a 3G carrier aggregation operation state, the terminal can utilize the non-compressed mode measurement capability in the 3G system to perform measurement outside the same frequency band or different frequency bands on a 3G target frequency point cell according to a mode method specified by 3GPP, so that a carrier group in the 3G system is maintained and optimized, and high-quality data transmission on a high-quality wireless link is realized. When the terminal uses the 4G eNB as the main control anchor point and is in the 7G carrier aggregation operation state, the current protocol specification or the public technology cannot effectively utilize the non-compressed mode measurement capability in the 3G system of the terminal, so that the eNB only measures the target frequency point cell at the 3G system side through some downlink idle periods generated by the existing DRX technology or the upper layer packet scheduling technology of the 4G, which inevitably brings adverse effects on the downlink capacity of the system and the user service experience.
The existing mechanism related to measurement reporting in the 4G LTE system mainly includes: firstly, an eNB inquires various capabilities of a terminal through a terminal capability inquiry message (UE capability inquiry), wherein the various capabilities comprise radio access capabilities (radio access capabilities) of a 4G system and a 3G system of the terminal, and a terminal capability request (UE capability request) cell in the terminal capability inquiry message comprises values EUTRA and UTRA; the terminal reports the capability of the terminal to the eNB through a terminal capability information message (UE capability information), wherein a terminal capability radio access technology Container (UE capability RAT-Container) cell in the terminal capability information message comprises terminal EUTRA capability (UEEUTRA capability) and terminal UTRA radio access capability (UE radio access capabilities for UTRA); after the eNB and the terminal synchronize capability information, the eNB provides some measurement control configuration parameters (MeasConfig) to the terminal in the RRC CONNECTED state (RRC _ CONNECTED) through an RRC layer signaling downlink message, such as an RRC Connection Reconfiguration message (RRC Connection Reconfiguration), such as measurement targets (a 4G target frequency point cell to be measured, a 3G target frequency point cell to be measured, and the like), a reporting mode, measured physical quantities, measurement scheduling idle configuration (out-of-frequency of a 4G system and/or out-of-frequency of the 4G system), and the like; the terminal performs wireless measurement on a target frequency point cell in the 4G system by using the measurement idle state based on the received measurement configuration parameters, evaluates a 4G measurement result and reports the result to the eNB; the network performs the reconfiguration of a main service cell (Pcell) on a downlink main carrier frequency point and an auxiliary service cell (Scell) on a downlink auxiliary carrier frequency point in a 4G system; in addition, the terminal also performs cross-system wireless measurement on a target frequency point cell in the 3G system by using extra measurement idle space based on the received measurement configuration parameters; here, the wireless measurement of the target frequency point cell in the 4G system and the cross-system wireless measurement of the target frequency point cell in the 3G system cannot be performed simultaneously, and the time scheduling is separated; and after the 3G measurement result is evaluated and reported to the eNB, the network performs the reconfiguration of a secondary serving cell (Scell) in the 3G system.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a 7G carrier aggregation system and a method for performing cross-system measurement thereof, which can implement the non-compressed mode measurement using the cross-system in the 7G carrier aggregation system.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for cross-system measurement of a 7G carrier aggregation system, which comprises the following steps:
the terminal reports the non-compression mode measurement capability of the terminal to the eNB according to the indication;
the eNB sends the measurement control configuration parameters to the terminal in the RRC connection state according to the non-compression mode measurement capability;
and the terminal performs wireless measurement on the target frequency point cell in the 4G system according to the received measurement control configuration parameters, performs cross-system wireless measurement on the 3G target frequency point cell by utilizing the non-compression mode measurement capability of the terminal, and reports the measurement result to the eNB.
In the above method, before the terminal reports the non-compressed mode measurement capability of the terminal to the eNB according to the indication, the method further includes: and the eNB instructs the terminal to report the non-compressed mode measurement capability.
In the above method, the method further comprises: and according to the measurement result reported by the terminal, the eNB reconfigures the main service cell on the downlink main carrier frequency point and the auxiliary service cell on the downlink auxiliary carrier frequency point in the 7G system.
In the above method, the eNB instructs the terminal to report the non-compressed mode measurement capability as follows:
and the eNB indicates the terminal to report the UTRA-related non-compressed mode measurement Capability through a terminal Capability Request (UE Capability Request) cell in a terminal Capability inquiry message (UE Capability inquiry).
In the above method, the reporting, by the terminal according to the indication, the non-compressed mode measurement capability of the terminal to the eNB is:
after receiving the instruction of the eNB, the terminal reports the non-compressed mode measurement Capability related to the UTRA of the terminal to the eNB through a terminal Capability Information message (UE Capability Information); wherein, the terminal Capability radio access technology Container (UE Capability RAT Container) cell in the terminal Capability information message carries the terminal UTRA radio access Capability (UE radio access capabilities for UTRA) including the non-compressed mode measurement Capability related to UTRA.
In the above method, the sending, by the eNB, the measurement control configuration parameter to the terminal in the RRC connected state according to the non-compressed mode measurement capability is:
after the capability information of the eNB and the terminal is synchronized, the eNB provides measurement control configuration parameters for the terminal in an RRC connection state through RRC layer signaling downlink information; according to the non-compression mode measurement capability reported by the terminal, aiming at a 3G system, the measurement control configuration parameters comprise a measurement target, a reporting mode and a measured physical quantity, and do not comprise a measurement scheduling idle; for the 4G system, the measurement control configuration parameters include a measurement target, a reporting mode, a measured physical quantity and a measurement scheduling idle.
In the above method, the performing wireless measurement on the target frequency point cell in the 4G system, and performing cross-system wireless measurement on the 3G target frequency point cell by using the non-compressed mode measurement capability of the target frequency point cell, and reporting the measurement result to the eNB is:
the terminal receives and utilizes the measurement idle, performs wireless measurement on a target frequency point cell in the 4G system, evaluates the measurement result, and reports the obtained 4G measurement result to the eNB; and the terminal performs cross-system wireless measurement on the target frequency point cell in the 3G system by using the self non-compression mode measurement capability, evaluates the measurement result and reports the obtained 3G measurement result to the eNB.
The present invention also provides a 7G carrier aggregation system, including: a terminal and an eNB; wherein,
the terminal is used for reporting the non-compressed mode measurement capability of the terminal to the eNB according to the indication;
the eNB is used for sending the measurement control configuration parameters to the terminal in the RRC connection state according to the non-compressed mode measurement capability;
and the terminal is also used for carrying out wireless measurement on the target frequency point cell in the 4G system according to the received measurement control configuration parameters, carrying out cross-system wireless measurement on the 3G target frequency point cell by utilizing the non-compression mode measurement capability of the terminal, and reporting the measurement result to the eNB.
In the above-mentioned system, the first and second sensors are arranged in a single circuit,
and the eNB is also used for indicating the terminal to report the non-compressed mode measurement capability.
In the above-mentioned system, the first and second sensors are arranged in a single circuit,
and the eNB is also used for reconfiguring the main service cell on the downlink main carrier frequency point and the auxiliary service cell on the downlink auxiliary carrier frequency point in the 7G system according to the measurement result reported by the terminal.
The invention provides a 7G carrier aggregation system and a cross-system measurement method thereof.A terminal reports the measurement capability of a non-compression mode to an eNB according to an instruction; the eNB sends the measurement control configuration parameters to the terminal in the RRC connection state according to the non-compression mode measurement capability; the terminal performs wireless measurement on a target frequency point cell in a 4G system according to the received measurement control configuration parameters, performs cross-system wireless measurement on a 3G target frequency point cell by utilizing the self non-compression mode measurement capability, reports the measurement result to an eNB, and realizes the use of a cross-system non-compression mode measurement mode in a 7G carrier aggregation system based on two mobile systems of 3G WCDMA and 4G LTE; the non-compression mode measurement capability of the terminal in the 7G carrier aggregation operation state in the 3G system is fully utilized to realize the optimization of the carrier group in the 3G system, and the negative influence on the downlink capacity of the system and the user service experience is not brought.
Drawings
FIG. 1 is a schematic diagram of the architecture of the 7G technology in the prior art;
fig. 2 is a schematic diagram of a 7G multi-carrier aggregation technique in the prior art;
FIG. 3 is a flowchart illustrating a method for implementing cross-system measurement of a 7G carrier aggregation system according to the present invention;
fig. 4 is a schematic structural diagram of a 7G carrier aggregation system of the present invention.
Detailed Description
The basic idea of the invention is: the terminal reports the non-compression mode measurement capability of the terminal to the eNB according to the indication; the eNB sends the measurement control configuration parameters to the terminal in the RRC connection state according to the non-compression mode measurement capability; and the terminal performs wireless measurement on the target frequency point cell in the 4G system according to the received measurement control configuration parameters, performs cross-system wireless measurement on the 3G target frequency point cell by utilizing the non-compression mode measurement capability of the terminal, and reports the measurement result to the eNB.
The invention is further described in detail below with reference to the drawings and the specific embodiments.
The invention provides a method for cross-system measurement of a 7G carrier aggregation system, and fig. 3 is a schematic flow chart of the method for realizing cross-system measurement of the 7G carrier aggregation system, as shown in fig. 3, the method comprises the following steps:
step 301, the eNB instructs the terminal to report the non-compressed mode measurement capability;
specifically, the eNB queries, through a terminal Capability query message (UE Capability inquiry), the non-compressed mode measurement Capability of the 3G system class of the terminal; wherein, the terminal is indicated to need to report the UTRA-Related non-compressed mode measurement Capability (UTRA-Related measurement Capability with CM) through the UE Capability Request information element in the terminal Capability inquiry message.
Step 302, the terminal reports the non-compression mode measurement capability of the terminal to the eNB according to the indication;
specifically, after receiving the instruction of the eNB, the terminal reports the non-compressed mode measurement capability related to its UTRA to the eNB through a terminal capability information message (UE capability information); wherein, the UTRA-related non-compressed mode measurement Capability is included in the UE radio access capabilities for carried in the UE Capability RAT Container information element in the terminal Capability information message.
Step 303, the eNB sends the measurement control configuration parameters to the terminal in the RRC connected state according to the non-compressed mode measurement capability of the terminal;
specifically, after receiving the non-compressed mode measurement capability reported by the terminal, the synchronization of the capability information of the eNB and the terminal is realized; the eNB provides a measurement control configuration parameter (measconfiguration) to a terminal in an RRC CONNECTED state (RRC _ CONNECTED) through an RRC layer signaling downlink message, such as an RRC connection reconfiguration message (RRC connection reconfiguration); for a 3G system, the measurement control configuration parameters comprise a measurement target, a reporting mode, a measured physical quantity and the like, and measurement scheduling idleness is not configured; for 4G system, the measurement control configuration parameters include measurement target, reporting mode, measured physical quantity, measurement scheduling idle and the like;
here, the eNB does not configure the measurement scheduling idle for the 3G system and only configures the measurement scheduling idle for the 4G system according to the non-compressed mode measurement capability reported by the terminal, so that the non-compressed mode measurement capability of the terminal can be fully utilized.
304, the terminal performs wireless measurement on the target frequency point cell in the 4G system according to the received measurement control configuration parameters, performs cross-system wireless measurement on the 3G target frequency point cell by utilizing the non-compression mode measurement capability of the terminal, and reports the measurement result to the eNB;
specifically, after receiving the measurement control configuration parameters, the terminal performs wireless measurement on a target frequency point cell in the 4G system by using the measurement idle according to the measurement configuration parameters, performs evaluation processing such as threshold judgment, operation and the like on the measurement result, and finally reports the 4G measurement result obtained by analysis to the eNB; the terminal performs cross-system wireless measurement on a target frequency point cell in the 3G system by using the self non-compression mode measurement capability, performs evaluation processing such as threshold judgment, operation and the like on a measurement result, and finally reports the 3G measurement result obtained by analysis to the eNB;
because the eNB is not configured with measurement scheduling idle configuration aiming at the 3G system, in the invention, the wireless measurement of the target frequency point cell in the 4G system and the cross-system wireless measurement of the target frequency point cell in the 3G system can be simultaneously carried out without time scheduling.
305, according to the measurement result reported by the terminal, the eNB reconfigures a main service cell (Pcell) on a downlink main carrier frequency point and an auxiliary service cell (Scell) on a downlink auxiliary carrier frequency point in the 7G system.
Example one
In this embodiment, the UE is already in a 7G operating state, and has already received data in a primary serving cell (Pcell) on 1 carrier frequency point of a 4G LTE system, and simultaneously receives data in a secondary serving cell (Scell) on 1 carrier frequency point F1 on a 3G HSPA + system side; according to the 7G aggregation capability of the UE, the number of the supported maximum auxiliary downlink carrier frequency point auxiliary service cells (Scell) at the 3G HSPA + system side is 1, the 3G HSPA + system side has 2 possible frequency points F1 and 3G target cells at F2 which are possible to become auxiliary service cells (Scell), wherein the frequency points F1 and F2 where the current auxiliary service cells (Scell) are located are adjacent to each other in the same frequency band.
The embodiment of the method for realizing the cross-system measurement of the 7G carrier aggregation system comprises the following steps:
step 1, an eNB inquires about the non-compressed mode measurement Capability of a 3G system class of a terminal through a terminal Capability inquiry message (UE Capability inquiry); wherein, the terminal is indicated to need to report the UTRA-Related non-compressed mode measurement Capability (UTRA-Related measurement Capability with CM) through the UE Capability Request information element in the terminal Capability inquiry message.
Step 2, after receiving the instruction of the eNB, the terminal reports the non-compressed mode measurement capability related to the UTRA of the terminal to the eNB through a terminal capability information message (UE CapabilityInformation); wherein, the UTRA of the UE radio access Capability carried in the UE Capability RAT Container information in the terminal Capability information message includes the non-compressed mode measurement Capability related to the UTRA, that is, the Adjacent secondary carrier measurement does not start the compressed mode Capability (Adjacent Frequency measurements with out compressed mode).
Step 3, after receiving the non-compression mode measurement capability reported by the terminal, realizing the synchronization of the capability information of the eNB and the terminal; the eNB provides a measurement control configuration parameter (measconfiguration) to a terminal in an RRC CONNECTED state (RRC _ CONNECTED) through an RRC layer signaling downlink message, such as an RRC Connection Reconfiguration message (RRC Connection Reconfiguration); here, the eNB knows that the terminal has the non-compressed mode measurement capability of the adjacent frequency points in the same frequency band according to the non-compressed mode measurement capability reported by the terminal, and does not configure a measurement scheduling idle for the 3G system.
Step 4, after receiving the measurement control configuration parameters, the terminal performs wireless measurement on the target frequency point cells in the 4G system by using the measurement idle space according to the measurement configuration parameters, performs evaluation processing such as threshold judgment, operation and the like on the measurement results, and finally reports the 4G measurement results obtained by analysis to the eNB; the terminal performs cross-system wireless measurement of interrupted data transmission on a cell on a target frequency point F2 in the 3G system by using the self non-compression mode measurement capability, performs evaluation processing such as threshold judgment, operation and the like on a measurement result, and finally reports the 3G measurement result obtained by analysis to the eNB.
And step 5, according to the measurement result reported by the terminal, the eNB reconfigures a main service cell (Pcell) on a downlink main carrier frequency point and an auxiliary service cell (Scell) on a downlink auxiliary carrier frequency point in the 7G system.
Example two
In this embodiment, the UE is already in a 7G operating state, and has already received data in a primary serving cell (Pcell) on 2 carrier frequency points of a 4G LTE system, and simultaneously receives data in a secondary serving cell (Scell) on 2 carrier frequency points F1 on a 3G HSPA + system side; according to the 7G aggregation capability of the UE, the number of the supported 3G HSPA + system side maximum auxiliary downlink carrier frequency points Scell is 2; the 3G HSPA + system side has 4 possible frequency points F1, F2, F3 and F4, and a 3G target cell can become a secondary service cell (Scell), wherein the frequency points F1 and F2 of the current secondary service cell (Scell) are same frequency band I and adjacent, and the frequency points F3 and F4 are same frequency band VIII and adjacent.
The embodiment of the method for realizing the cross-system measurement of the 7G carrier aggregation system comprises the following steps:
step 1, an eNB inquires about the non-compressed mode measurement Capability of a 3G system class of a terminal through a terminal Capability inquiry message (UE Capability inquiry); wherein, the terminal is indicated to need to report the UTRA-Related non-compressed mode measurement capability (UTRA-Related measurement capability with CM) through the UECapacity Request cell in the terminal capability inquiry message.
Step 2, after receiving the instruction of the eNB, the terminal reports the non-compressed mode measurement capability related to the UTRA of the terminal to the eNB through a terminal capability information message (UE CapabilityInformation); the UTRA of the UE radio access Capability carried in the UE Capability RAT Container information element in the terminal Capability information message includes non-compressed mode measurement Capability related to UTRA, that is, Adjacent secondary carrier measurement does not start compressed mode Capability (Adjacent Frequency measurement with compressed mode) and Inter-band secondary carrier measurement does not start compressed mode Capability (Inter-band Frequency measurement with compressed mode).
Step 3, after receiving the non-compression mode measurement capability reported by the terminal, realizing the synchronization of the capability information of the eNB and the terminal; the eNB provides a measurement control configuration parameter (measconfiguration) to a terminal in an RRC CONNECTED state (RRC _ CONNECTED) through an RRC layer signaling downlink message, such as an RRC Connection Reconfiguration message (RRC Connection Reconfiguration); here, the eNB knows that the terminal has the non-compressed mode measurement capability of the adjacent frequency points in the same frequency band according to the non-compressed mode measurement capability reported by the terminal, and does not configure a measurement scheduling idle for the 3G system.
Step 4, after receiving the measurement control configuration parameters, the terminal performs wireless measurement on the target frequency point cells in the 4G system by using the measurement idle space according to the measurement configuration parameters, performs evaluation processing such as threshold judgment, operation and the like on the measurement results, and finally reports the 4G measurement results obtained by analysis to the eNB; the terminal performs cross-system wireless measurement for interrupting data transmission on cells on target frequency points F3 and F4 in the 3G system by using the self non-compression mode measurement capability, performs threshold judgment, operation and other evaluation processing on the measurement result, and finally reports the analyzed 3G measurement result to the eNB.
And step 5, according to the measurement result reported by the terminal, the eNB reconfigures a main service cell (Pcell) on a downlink main carrier frequency point and an auxiliary service cell (Scell) on a downlink auxiliary carrier frequency point in the 7G system.
In order to implement the foregoing method, the present invention further provides a 7G carrier aggregation system, and fig. 4 is a schematic structural diagram of the 7G carrier aggregation system of the present invention, and as shown in fig. 4, the 7G carrier aggregation system includes: terminal 41 and eNB 42; wherein,
a terminal 41, configured to report its non-compressed mode measurement capability to the eNB 42 according to the indication;
the eNB 42 is configured to send a measurement control configuration parameter to the terminal 41 in the RRC connected state according to the non-compressed mode measurement capability;
the terminal 41 is further configured to perform wireless measurement on a target frequency point cell in the 4G system according to the received measurement control configuration parameters, perform cross-system wireless measurement on a 3G target frequency point cell by using the non-compression mode measurement capability of the terminal, and report a measurement result to the eNB 42.
The eNB 42 is further configured to instruct the terminal 41 to report the non-compressed mode measurement capability.
The eNB 42 is further configured to perform reconfiguration of the main serving cell on the downlink main carrier frequency point and the auxiliary serving cell on the downlink auxiliary carrier frequency point in the 7G system according to the measurement result reported by the terminal 41.
The eNB 42 instructs the terminal 41 to report the non-compressed mode measurement capability as follows: and the eNB indicates the terminal to report the UTRA-related non-compressed mode measurement Capability through a UE Capability Request cell in a terminal Capability inquiry message (UE Capability inquiry).
The step of the terminal 41 reporting the non-compressed mode measurement capability of itself to the eNB 42 according to the instruction is: after receiving the instruction of the eNB, the terminal reports the non-compressed mode measurement Capability related to the UTRA of the terminal to the eNB through a terminal Capability Information message (UE Capability Information); wherein, the UE radio access capabilities for UTRA carried in the UE Capability RATContainer cell in the terminal Capability information message includes the non-compressed mode measurement Capability related to UTRA.
The eNB 42 sends the measurement control configuration parameters to the terminal 41 in the RRC connected state according to the non-compressed mode measurement capability: after the capability information of the eNB and the terminal is synchronized, the eNB provides measurement control configuration parameters for the terminal in an RRC connection state through RRC layer signaling downlink information; according to the non-compression mode measurement capability reported by the terminal, aiming at a 3G system, the measurement control configuration parameters comprise a measurement target, a reporting mode and a measured physical quantity, and do not comprise a measurement scheduling idle; for the 4G system, the measurement control configuration parameters include a measurement target, a reporting mode, a measured physical quantity and a measurement scheduling idle.
The wireless measurement of the target frequency point cell in the 4G system is performed, the cross-system wireless measurement of the 3G target frequency point cell is performed by utilizing the non-compression mode measurement capability of the target frequency point cell, and the report of the measurement result to the eNB is as follows: the terminal receives and utilizes the measurement idle, performs wireless measurement on a target frequency point cell in the 4G system, evaluates the measurement result, and reports the obtained 4G measurement result to the eNB; and the terminal performs cross-system wireless measurement on the target frequency point cell in the 3G system by using the self non-compression mode measurement capability, evaluates the measurement result and reports the obtained 3G measurement result to the eNB.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110283416.5A CN103024803B (en) | 2011-09-22 | 2011-09-22 | A kind of method of 7G carrier aggregation systems and its cross-system measurement |
| PCT/CN2012/077267 WO2013040921A1 (en) | 2011-09-22 | 2012-06-20 | 7g carrier aggregation system and inter-system measurement method thereof |
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| CN201110283416.5A CN103024803B (en) | 2011-09-22 | 2011-09-22 | A kind of method of 7G carrier aggregation systems and its cross-system measurement |
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| CN107567718B (en) * | 2015-03-06 | 2021-03-09 | 三星电子株式会社 | Method and apparatus for performing and reporting measurement by user equipment configured with multiple carriers in mobile communication system |
| CN107615794B (en) * | 2015-05-22 | 2021-04-20 | 株式会社Ntt都科摩 | user device |
| CN110710315B (en) * | 2017-11-16 | 2021-03-02 | Oppo广东移动通信有限公司 | Method and related products for terminal reporting capability |
| CN113518397B (en) | 2020-04-10 | 2025-03-04 | 华为技术有限公司 | A measurement method and device |
| CN116095714B (en) * | 2022-12-08 | 2025-11-14 | 青岛海信移动通信技术有限公司 | A method, apparatus, and equipment for measuring and reporting NR cell signals from different systems. |
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| CN102118783A (en) * | 2010-01-05 | 2011-07-06 | 华为技术有限公司 | Carrier measurement method and device |
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| CN101064899A (en) * | 2006-04-29 | 2007-10-31 | 华为技术有限公司 | Method for measuring adjacent cell and user terminal |
| CN101360308A (en) * | 2007-07-31 | 2009-02-04 | 中兴通讯股份有限公司 | A measurement switching method from WCDMA system to GSM system |
| CN101355801B (en) * | 2008-09-12 | 2011-07-13 | 工业和信息化部电信传输研究所 | Measuring method for multi-mode terminal Cross System |
| CN102026264B (en) * | 2010-12-17 | 2013-10-16 | 大唐移动通信设备有限公司 | Method and equipment for terminal measurement report and intersystem interoperation |
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| CN103024803A (en) | 2013-04-03 |
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