WO2012136131A1 - 上行接入的方法和终端设备 - Google Patents
上行接入的方法和终端设备 Download PDFInfo
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- WO2012136131A1 WO2012136131A1 PCT/CN2012/073485 CN2012073485W WO2012136131A1 WO 2012136131 A1 WO2012136131 A1 WO 2012136131A1 CN 2012073485 W CN2012073485 W CN 2012073485W WO 2012136131 A1 WO2012136131 A1 WO 2012136131A1
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- Prior art keywords
- uplink access
- carrier
- information
- terminal device
- terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
Definitions
- a multi-carrier technology is a technology for transmitting data to a terminal device (for example, a UE; User Equipment; user equipment) through multiple carriers at the same time, and is widely applied to WCDMA (Wideband Code Division Multiple Access).
- WCDMA Wideband Code Division Multiple Access
- CDMA2000 Code Division Multiple Access 2000
- LTE Long Term Evolution
- the UE works simultaneously with multiple carrier WCDMA cells at the same time, which greatly improves the downlink and uplink data transmission rates of the same UE.
- interoperability of multiple carrier frequencies enables fast dynamic load balancing between multiple carrier frequency zones.
- This fast dynamic load balancing can improve the throughput of the original WCDMA cell and improve the timeliness of user response.
- the current multi-carrier technology is only applied to the UE in the Cell_DCH (Cell Dedicated Channel) state, and the UE in the Cell-FACH (Cell Forward Access Channel) state cannot enjoy the multi-carrier. Gain.
- Cell_DCH Cell Dedicated Channel
- Cell-FACH Cell Forward Access Channel
- the uplink may only support single-carrier transmission. Since the cell selection of the Cell-FACH UE is based on the UE, the network side cannot control the UE to camp on the cell. If the uplink of the UE is initiated by the camping cell, the uplink load may be too concentrated.
- the physical layer signaling may be used to indicate that the UE accesses the uplink from that carrier.
- this method can only solve the control of the access carrier when the UE is uplinked by the network side, and cannot solve the carrier control problem of the uplink access initiated by the UE. Summary of the invention
- the embodiment of the invention provides a method and terminal device for uplink access, which can solve carrier selection for uplink access Question.
- a method for uplink access including: acquiring load information of multiple cells, where the load information is a comparison value of interference level values or interference level values of multiple cells; and loading information according to multiple cells , determine the uplink access carrier used in uplink access.
- a terminal device including: an acquiring unit, configured to acquire load information of multiple cells, where the load information is a comparison value of interference level values or interference level values of multiple cells;
- the uplink access carrier used in uplink access is determined according to load information of multiple cells.
- the terminal device when the terminal device actively initiates the uplink access, the terminal device can select the appropriate uplink access carrier according to the load information such as the interference level value of the cell or the comparison relationship value of the interference level value, thereby solving the active terminal. Carrier selection problem when triggering uplink access.
- a method for uplink access including: acquiring a terminal identifier and an available uplink access carrier number; and determining an uplink access carrier used for uplink access according to the terminal identifier and the number of available uplink access carriers; Performing uplink access using the uplink access carrier.
- a terminal device including: an acquiring unit, configured to acquire a terminal identifier and a number of available uplink access carriers; and a determining unit, configured to determine, according to the terminal identifier and the number of available uplink access carriers, during uplink access An uplink access carrier used; an access unit, configured to perform uplink access by using the uplink access carrier.
- the embodiment of the present invention enables the terminal device to select an uplink access carrier to be used in uplink access among the available uplink access carriers according to the terminal identifier and the number of available uplink access carriers, and solve the problem that the terminal actively triggers the uplink connection. Carrier selection problem.
- a method for assigning a terminal identifier to a terminal device the terminal device having the capability of selecting an uplink access carrier among a plurality of carriers including a primary carrier and a secondary carrier, the method comprising: the base station to the terminal device Assigning a terminal identifier corresponding to the primary carrier; assigning, by the wireless network controller, the terminal identifier corresponding to the secondary carrier to the terminal device.
- a network side device for assigning a terminal identifier to a terminal device, the terminal device having the capability of selecting an uplink access carrier among a plurality of carriers including a primary carrier and a secondary carrier, the network side device including the base station and the wireless And a network controller, where the base station is configured to allocate a terminal identifier corresponding to the primary carrier to the terminal device; and the wireless network controller is configured to allocate, to the terminal device, a terminal identifier corresponding to the secondary carrier.
- the embodiment of the present invention not only uses the base station to perform terminal identifier allocation, but also allows the radio network controller to allocate the corresponding terminal identifier of the secondary carrier, thereby improving the allocation speed of the terminal identifier.
- a method for broadcasting public enhanced dedicated channel resource information of multiple cells including: Include corresponding common enhanced dedicated channel resource information in system information blocks of the plurality of cells; set scheduling moments of system information blocks of the plurality of cells including common enhanced dedicated channel resource information to be the same; and broadcast system information blocks.
- a network side device that broadcasts common enhanced dedicated channel resource information of multiple cells, including: a generating unit, configured to include corresponding public enhanced dedicated channel resource information in system information blocks of multiple cells; a setting unit, configured to set a scheduling moment of a system information block of the plurality of cells including common enhanced dedicated channel resource information to be the same; and a broadcasting unit, configured to broadcast a system information block.
- the embodiment of the present invention enables the system information blocks of the multiple cells to have the same scheduling time, so that the scheduling of the system information blocks can be aligned, so that the terminal device can simultaneously read the corresponding system information blocks of multiple cells, thereby accelerating the terminal device acquisition.
- the time of the resource information is not limited to the time of the resource information.
- a method of transmitting control information comprising: carrying control information on a header field or a payload corresponding to a predetermined logical channel in user plane data; and transmitting user plane data to the terminal device.
- a network side device for transmitting control information including: an information unit, configured to carry control information on a header field or a payload corresponding to a predetermined logical channel in user plane data; Send user plane data to the terminal device.
- the embodiment of the present invention provides a new method for carrying control information, that is, carrying control information in the downlink user plane data, so as to carry control information that needs to be sent to the terminal device without changing the existing data format.
- FIG. 1 is a schematic flow chart of a method for uplink access according to an embodiment of the present invention.
- FIG. 2 is a schematic block diagram of a terminal device in accordance with an embodiment of the present invention.
- FIG. 3 is a schematic flow chart of a method for assigning a terminal identifier to a terminal device according to an embodiment of the present invention.
- FIG. 4 is a schematic block diagram of a network side device that assigns a terminal identifier to a terminal device according to an embodiment of the present invention.
- FIG. 5 is a schematic flow chart of a method of broadcasting public enhanced dedicated channel resource information of multiple cells according to an embodiment of the present invention.
- FIG. 6 is a network side view of broadcasting public enhanced dedicated channel resource information of multiple cells according to an embodiment of the present invention.
- a schematic block diagram of the preparation is a network side view of broadcasting public enhanced dedicated channel resource information of multiple cells according to an embodiment of the present invention.
- FIG. 7 is a schematic flow chart of a method of transmitting control information according to an embodiment of the present invention.
- Figure 8 is a schematic block diagram of the PDU format of the MAC-ehs.
- FIG. 9 is a schematic block diagram of a network side device that transmits control information according to an embodiment of the present invention.
- FIG. 10 is a schematic flow chart of a method 100 for uplink access according to an embodiment of the present invention.
- FIG 11 is a schematic block diagram of a terminal device 110 in accordance with an embodiment of the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. . All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
- the technical solution of the present invention can be applied to various communication systems, for example, GSM, Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), general packet GPRS (General Packet Radio Service), Long Term Evolution (LTE), etc.
- GSM Global System for Mobile Communications
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- a mobile terminal which may also be called a mobile user (UE, User Equipment), a mobile user equipment, etc., may be performed by using a radio access network (for example, RAN, Radio Access Network) and one or more core networks.
- the mobile terminal may be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, a mobile device that can be portable, pocket, handheld, computer built, or in-vehicle, Exchange language and/or data with the wireless access network.
- the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.
- BTS Base Transceiver Station
- NodeB base station
- eNB evolved base station
- e-NodeB evolutional Node B
- Node B represents the base station
- RNC represents the radio network controller
- the UE has uplink data to be sent, but the network side cannot know in advance at this time, so the UE needs to autonomously decide the frequency of access according to certain information.
- FIG. 1 is a schematic flow chart of a method 10 for uplink access according to an embodiment of the present invention.
- Method 10 is mainly performed by a terminal Device execution.
- the UE acquires load information of multiple cells.
- the load information is a comparison value of interference level values or interference level values of a plurality of cells.
- the multiple cells may be the resident cell of the UE, or the same coverage inter-frequency neighboring cell of the camping cell, or a neighboring cell that can be paired with the camping cell for multi-carrier operation.
- load information of a plurality of cells including a current cell and a neighboring cell may be acquired through a current cell broadcast.
- the network side broadcasts the interference level of the cell in SIB7 (System Information Block 7; System Information Block 7).
- SIB7 System Information Block 7; System Information Block 7
- the broadcast content may be modified to broadcast the interference level of the local cell in the current cell, and simultaneously broadcast the interference level of the neighboring cell that may be configured with multi-carrier operation.
- the UE does not need to read the SIB7 of multiple cells, and only needs to read the SIB7 of the current cell to obtain load information of multiple cells such as the current cell and the neighboring cell.
- the UE may read a System Information Block (SIB) separately broadcast by a plurality of cells, and acquire load information from the system information block. For example, the UE may periodically read the SIB of each cell to obtain an interference level.
- SIB System Information Block
- the read cycle of the above two methods can be determined by the expiration factor in SIB7, or a dedicated cycle can be configured by the network side through the signaling. Moreover, when initially configuring multiple carriers or periods, the network side can simultaneously configure the interference level of each cell or its comparison relationship to the UE, so that the UE can read the previous or initial interference level or its comparison relationship before the broadcast.
- load information carried by the network side device through proprietary signaling or user plane data may be acquired.
- the method for the network side to carry the interference level of each cell or the comparison relationship by using the dedicated signaling can be implemented by adding an IE (Information Element) to the existing signaling.
- the network side device may carry the load information through a packet header or a payload of the MAC (Media Access Control) layer data.
- MAC Media Access Control
- the cell index and the interference level value may be broadcasted.
- Sort comparison relationship value
- the correspondence between the cell index and the cell may be sent to the UE when the multi-carrier is established, or may be broadcast in a certain SIB.
- the UE determines the uplink access carrier used in the uplink access according to the load information of the multiple cells. For example, the UE compares the interference level value when accessing, selects an appropriate access cell, or directly selects an appropriate access cell according to the comparison relationship value of the interference level value.
- the uplink access carrier used in the uplink access may be determined according to the terminal identifier and the number of available uplink access carriers.
- the terminal identifier may be an IMSI (International Mobile Subscriber Identification), a TMSI (Temporary Mobile Subscriber Identity), a URNTI (UTRAN Radio Network Temporary Identification), and a HRNTI.
- IMSI International Mobile Subscriber Identification
- TMSI Temporary Mobile Subscriber Identity
- URNTI UTRAN Radio Network Temporary Identification
- HRNTI HRNTI
- HS-DSCH RNTI HS-DSCH radio network temporary identifier
- E-RNTI E-DCH RNTI; E-DCH radio network temporary identifier
- the UE uses the terminal identification mode (mod) to be uplinked
- the number of carriers is entered, and the preferred access carrier is calculated based on the remainder.
- the terminal device when the terminal device actively initiates the uplink access, the terminal device can select the appropriate uplink access carrier according to the load information such as the interference level value of the cell or the comparison relationship value of the interference level value, thereby solving the active terminal. Carrier selection problem when triggering uplink access.
- FIG. 2 is a schematic block diagram of a terminal device 20 in accordance with an embodiment of the present invention.
- a non-limiting example of terminal device 20 is the UE described above.
- the terminal device 20 includes an acquisition unit 22 and a determination unit 24.
- the obtaining unit 22 is configured to acquire load information of multiple cells, where the load information is a comparison value of interference level values or interference level values of multiple cells.
- the determining unit 24 is configured to determine an uplink access carrier used in uplink access according to load information of multiple cells.
- the terminal device 20 can perform the various processes of the method 10 shown in FIG. 1. To avoid repetition, details are not described herein again.
- the obtaining unit 22 may acquire load information of a plurality of cells including the current cell and the neighboring cell through the current cell broadcast. At this time, the broadcast content is modified to broadcast the interference level of the local cell in the current cell, and simultaneously broadcast the interference level of the neighboring cell that may be configured with multi-carrier operation.
- the obtaining unit 22 may read a system information block (e.g., SIB7) that is respectively broadcast by a plurality of cells, and acquire load information from the system information block.
- the obtaining unit 22 can also obtain load information carried by the network side device through the dedicated signaling or user plane data, such as the header or payload of the newly added IE or MAC layer data.
- the terminal device when the terminal device actively initiates the uplink access, the terminal device can select the appropriate uplink access carrier according to the load information such as the interference level value of the cell or the comparison relationship value of the interference level value, thereby solving the active terminal. Carrier selection problem when triggering uplink access.
- the available uplink carriers of the UE may include a primary carrier and a secondary carrier, respectively corresponding to different cells.
- E-RNTI the UE may use the same E-RNTI on all carriers, or the UE may allocate different E-RNTIs to each available uplink carrier.
- the E-RNTI corresponding to the primary and secondary carriers of the CELL-DCH UE is allocated by the Node B.
- the corresponding E-RNTI is also allocated by Node B during the initial connection establishment process.
- the Node B allocates the corresponding E-RNTI of the uplink carrier (i.e., the primary carrier) at this time in the initial connection establishment process.
- the RNC Radio Network Controller
- the allocation process of the E-RNTI is before the designation process of the secondary carrier, so it is apparent that the Node B cannot allocate the E-RNTI of the secondary carrier while allocating the E-RNTI of the primary carrier.
- the E-RNTI of the secondary carrier is allocated by the Node B in a similar manner to the primary carrier E-RNTI allocation process, the allocation speed of the terminal identifier is slowed down.
- FIG. 3 is a schematic flow diagram of a method 30 of assigning a terminal identity to a terminal device in accordance with an embodiment of the present invention.
- the terminal device has the capability of selecting an uplink access carrier among a plurality of carriers including a primary carrier and a secondary carrier.
- a terminal identifier (e.g., the above E-RNTI) corresponding to the primary carrier is allocated by the base station (e.g., Node B) to the terminal device (e.g., UE). For example, Node B allocates the E-RNTI of the primary carrier during the initial connection establishment process.
- a terminal identifier corresponding to the secondary carrier is assigned to the terminal device by a radio network controller (e.g., RNC).
- RNC radio network controller
- the RNC If the RNC allows the UE to dynamically select the uplink carrier, the RNC allocates the E-RNTI of the secondary carrier while establishing the multi-carrier (designated secondary carrier), and notifies the UE in the multi-carrier configuration message, and then sends the user data to the Node B. And transmitting the allocated secondary carrier E-RNTI to the Node B at the same time.
- the RNC may allocate the corresponding terminal identifier E-RNTI of the secondary carrier, and notify the UE and the Node B.
- the assigned secondary carrier E-RNTI may be allocated to the RNC.
- the RNC may allocate E-RNTI to all the secondary carriers, or may only allocate E-RNTI to some of the secondary carriers.
- the RNC can only allow the terminal to perform uplink access on a part of the secondary carriers according to the terminal capability and the service status of the terminal. In this case, only the part of the secondary carriers that are allowed to perform uplink access in the multiple secondary carriers are allocated corresponding terminal identifiers. .
- FIG. 4 is a schematic block diagram of a network side device 40 that assigns a terminal identity to a terminal device according to an embodiment of the present invention.
- the terminal device has the capability of selecting an uplink access carrier among a plurality of carriers including a primary carrier and a secondary carrier.
- the network side device 40 includes a base station 42 and a radio network controller 44.
- a base station 42 e.g., Node B
- a radio network controller 44 e.g., RNC
- RNC Radio Network Controller
- the network side device 40 can perform the various processes of the method 30 of FIG. 3, and details are not described herein to avoid repetition. For example, after receiving the corresponding terminal identifier of the primary carrier allocated by the Node B and the terminal capability reported by the UE, the RNC may allocate the corresponding terminal identifier E-RNTI of the secondary carrier, and notify the UE and the Node B of the allocated secondary carrier E. - RNTI.
- the RNC may allocate E-RNTIs to all the secondary carriers, or may only allocate E-RNTIs to some of the secondary carriers.
- the RNC can only allow the terminal to perform uplink access on a part of the secondary carriers according to the terminal capability and the service status of the terminal. In this case, only the part of the secondary carriers that are allowed to perform uplink access in the multiple secondary carriers are allocated corresponding terminal identifiers. .
- the embodiment of the present invention not only uses the base station to perform terminal identifier allocation, but also allows the radio network controller to allocate the corresponding terminal identifier of the secondary carrier, thereby improving the allocation speed of the terminal identifier.
- the UE After the E-RNTI is allocated, the UE needs to acquire the Common- EDCH of all available uplink carriers.
- the Common-EDCH resource is broadcast in the cell system information.
- the UE can obtain Common-EDCH resource information by reading the system information of the cell.
- the UE can perform uplink access in multiple cells (i.e., has the ability to select an uplink access carrier from a plurality of carriers), the UE needs to read Common-EDCH configuration information of multiple cells.
- the scheduling time points of Common-EDCH information of multiple cells may be different, so it takes the UE to take a long time to acquire Common-EDCH information of multiple cells.
- FIG. 5 is a schematic flow diagram of a method 50 of broadcasting Common-EDCH resource information for multiple cells, in accordance with an embodiment of the present invention.
- a system information block eg, SIB5
- SIB5 system information block
- a plurality of cells including a common enhanced dedicated channel are included.
- the scheduling time of the system information block (SIB5) of the resource information is set to be the same. In this way, it is mandatory to schedule scheduling of SIB5 between cells that can perform multi-carrier operation.
- the UE can simultaneously read the SIB5 of multiple cells, which speeds up the time for the UE to acquire multiple cell Co ⁇ on- EDCH resources.
- system information blocks are then broadcast at 503.
- the Common-EDCH information is sent to the UE through dedicated signaling.
- the embodiment of the present invention enables the system information blocks of the multiple cells to have the same scheduling time, so that the scheduling of the system information blocks can be aligned, so that the terminal device can simultaneously read the corresponding system information blocks of multiple cells, thereby accelerating the terminal device acquisition.
- the time of the resource information is not limited to one system information blocks.
- the RNC sends the Common-EDCH information of the secondary carrier of the UE to the UE through dedicated signaling, The UE is required to obtain this information through broadcast.
- Gp on the UE side, receiving public enhanced dedicated channel resource information of multiple cells by cell broadcast of multiple cells, wherein the time of the system information block in the cell broadcast of the multiple cells is set to be the same.
- the UE may receive the public enhanced dedicated channel resource information of the plurality of cells through dedicated signaling.
- FIG. 6 is a schematic block diagram of a network side device 60 that broadcasts public enhanced dedicated channel resource information for multiple cells, in accordance with an embodiment of the present invention.
- the network side device 60 may be a base station.
- the network side device 60 includes a generating unit 62, a setting unit 64, and a broadcasting unit 66.
- the generating unit 62 is configured to include corresponding common enhanced dedicated channel resource information in the system information block of the multiple cells;
- the setting unit 64 is configured to set a scheduling moment of the system information block of the multiple cells that includes the common enhanced dedicated channel resource information to The same;
- the broadcast unit 66 is used to broadcast system information blocks.
- the network side device 60 can perform the various processes of the method 50 of FIG. 5, and details are not described herein to avoid repetition.
- the generating unit 62 may include corresponding common enhanced dedicated channel resource information in the system information block SIB5.
- the embodiment of the present invention enables the corresponding system information blocks of the multiple cells to have the same scheduling time, so that the scheduling of the system information blocks can be aligned, so that the terminal device can simultaneously read the system information blocks of multiple cells, thereby accelerating the terminal device acquisition.
- the time of the resource information is not limited to the time of the resource information.
- the UE autonomously selects uplink access from that carrier.
- the access carrier of the UE may also be specified in advance by the network side.
- FIG. 7 is a schematic flow diagram of a method 70 of transmitting control information in accordance with an embodiment of the present invention.
- control information is carried on a header field or payload corresponding to a predetermined logical channel in user plane data (e.g., MAC data).
- user plane data e.g., MAC data
- downstream data transmission requires simultaneous feedback. While the network side sends downlink data to the UE, it is likely that the UE initiates uplink access. Therefore, if the downlink data is to be sent to the UE on the network side, the downlink data may be used to carry the access resources available to the UE in uplink, including the carrier that recommends the UE to perform uplink access and/or the Common-EDCH resource number used for access (if Not carrying carrier information indicates that the UE is from the current host Wave access). There are many locations to carry, which can be combined in the header or payload data, or a combination of the two.
- the indication information of the access carrier may be carried in a MAC (Media Access Control Layer) header.
- MAC Media Access Control Layer
- FIG. 8 is a schematic block diagram of a MAC- ehs PDU (Protocol Data Unit) format.
- the packet header is in the logical channel (LCH; Logical Channel).
- LCH-ID logical channel identifier
- TSN Transmission Sequence
- Number; transmission sequence number whether to carry an indication of SI (Scheduling Information; scheduling information), and whether there is a subsequent segmentation indication (F).
- SI Service
- F Transmission Sequence
- the information of the access carrier can be carried by a predetermined logical channel number.
- the field L (length indication) of the predefined logical channel k (LCH-IDk in Fig.
- the logical channel k may not carry the TSN and the SI, and may not carry the corresponding reordering PDU.
- Both the UE and the Node B know that the specific logical channel number k indicates that the subsequent field L is not of a specific length, but indicates the carrier and/or resource information of the access. In this case, if the MAC PDU format is not changed, the uplink access carrier information indicating the UE is carried. After receiving the PDU, the UE finds that it carries the logical channel k, and considers that the content in the field L corresponding to the logical channel k indicates the indication information of the access carrier.
- the above indication information may also be carried in a payload portion (e.g., a reordering PDU corresponding to logical channel k).
- the above indication information is carried by a combination of a packet header and a payload.
- the RNC needs to carry an indication that the data packet needs to be fed back (ie, the terminal device needs to perform uplink access) in the downlink FP (Frame Protocol).
- the manner of transmitting control signaling by using a special logical channel number is not limited to transmitting carrier information or access resource information of uplink access, and may also be used for transmitting related control information such as carrier activation and deactivation.
- the load information involved in the method 10 of Figure 1 may be carried in the L or reordering PDU, such as the interference level value of each cell or its comparison relationship value.
- the embodiment of the present invention provides a new method for carrying control information, that is, carrying control information in the downlink user plane data, so as to carry control information that needs to be sent to the terminal device without changing the existing data format. .
- FIG. 9 is a schematic block diagram of a network side device 90 that transmits control information according to an embodiment of the present invention.
- the network side device 90 may be a base station.
- the network side device 90 includes an information unit 92 and a transmitting unit 94.
- the information unit 92 is configured to carry control information on a header field or a payload corresponding to a predetermined logical channel in user plane data (for example, the above MAC data).
- the transmitting unit 94 is configured to send user plane data to the terminal device.
- control information may include uplink access carrier information or access resource information indicating that the terminal device performs uplink access.
- control information may include carrier activation or deactivation information.
- the indication information of the access carrier may be carried in the MAC (Media Access Control Layer) header.
- the embodiment of the present invention provides a new method for carrying control information, that is, carrying control information in the downlink user plane data, so as to carry control information that needs to be sent to the terminal device without changing the existing data format. .
- FIG. 10 is a schematic flow chart of a method 100 for uplink access according to an embodiment of the present invention.
- the method 100 includes: 1001, obtaining a terminal identifier and a number of available uplink access carriers.
- the assigned terminal identity can be obtained according to the method described above in FIG.
- the embodiment of the present invention is not limited thereto, and the terminal identifier may be an IMSI, a TMSI, a URNTI, an HRNTI, an E-RNTI, or other possible UE identifiers of the UE.
- the terminal identifier can be divided by the number of available uplink access carriers to obtain a remainder, and the preferred uplink access carrier is determined according to the remainder. For example, an uplink access carrier whose index is the remainder can be selected.
- the embodiment of the present invention enables the terminal device to select an uplink access carrier to be used in uplink access among the available uplink access carriers according to the terminal identifier and the number of available uplink access carriers, and solve the problem that the terminal actively triggers the uplink connection. Carrier selection problem.
- FIG 11 is a schematic block diagram of a terminal device 110 in accordance with an embodiment of the present invention.
- the terminal device 110 includes: an obtaining unit 111, configured to acquire a terminal identifier and an available uplink access carrier number; and a determining unit 112, configured to determine, according to the terminal identifier and the number of available uplink access carriers, an uplink access carrier used in uplink access
- the access unit 113 is configured to perform uplink access by using the uplink access carrier.
- the determining unit 112 may divide the terminal identifier by the number of available uplink access carriers to obtain a remainder, and determine a preferred uplink access carrier according to the remainder. For example, an uplink access carrier whose index is the remainder can be selected.
- the embodiment of the present invention enables the terminal device to select an uplink access carrier to be used in uplink access among the available uplink access carriers according to the terminal identifier and the number of available uplink access carriers, and solve the problem that the terminal actively triggers the uplink connection. Carrier selection problem.
- the disclosed systems, apparatus, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, i.e., may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, for clarity of hardware and software. Interchangeability, the composition and steps of the various examples have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a USB flash drive, a mobile hard disk, and a read only memory (ROM, Read- Only Memory), Random Access Memory (RAM)
- ROM Read- Only Memory
- RAM Random Access Memory
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- Mobile Radio Communication Systems (AREA)
Description
上行接入的方法和终端设备 本申请要求于 2011年 04月 02日提交中国专利局、 申请号为 201110083709. 9、 发 明名称为 "上行接入的方法和终端设备"的中国专利申请的优先权, 其全部内容通过引 用结合在本申请中。 技术领域 本发明实施例涉及无线通信领域,并且更具体地,涉及上行接入的方法和终端设备。 背景技术 多载波技术是一种同时通过多个载波对终端设备(例如 UE; User Equipment; 用户 设备) 进行数据发送的技术, 广泛的应用于 WCDMA (Wideband Code Division Multiple Access; 宽带码分多址), CDMA2000 (Code Division Multiple Access 2000; 码分多 址 2000) 和 LTE (Long Term Evolution; 长期演进) 中, 工作于多载波的 UE会同时跟 多个载波保持通信, 其中每个载波可能有多个小区作为宏分集小区使用。
例如, 在多载频 WCDMA系统中, UE同一时刻与多个载频的 WCDMA小区同时工作, 极 大的提高了同一 UE的下行和上行数据传输速率。 同时, 多个载频的互操作使多载频小 区之间的快速动态负载平衡成为可能。这种快速动态负载平衡可以提高原 WCDMA小区的 吞吐率及提高对用户响应的及时性。 但目前的多载波技术仅应用于 Cell_DCH (Cell Dedicated Channel ; 小区专用信道) 状态的 UE, 而 Cell— FACH (Cell Forward Access Channel ; 小区前向接入信道)状态的 UE并不能享受多载波带来的增益。 巳经有考虑将 多载波技术引入到 Cell— FACH状态的 UE的技术。但是对于支持下行多载波的 Cell— FACH UE, 上行可能仅支持单载波传输。 由于 Cell一 FACH UE的小区选择是基于 UE的, 网络侧 无法控制 UE驻留那个小区, 如果 UE的上行都在驻留小区发起, 有可能会导致上行负载 过于集中。
网络侧需要 UE发起上行接入的时候,可通过物理层信令指示 UE从那个载波进行上 行接入。 但是这种方式仅仅能够解决网络侧触发的 UE上行接入时接入载波的控制, 而 无法解决 UE主动触发的上行接入的载波控制问题。 发明内容
本发明实施例提供一种上行接入的方法和终端设备, 能够解决上行接入的载波选择
问题。
一方面, 提供了一种上行接入的方法, 包括: 获取多个小区的负载信息, 该负载信 息为多个小区的干扰水平值或者干扰水平值的对比关系值; 根据多个小区的负载信息, 确定在上行接入时使用的上行接入载波。
另一方面, 提供了一种终端设备, 包括: 获取单元, 用于获取多个小区的负载信息, 该负载信息为多个小区的干扰水平值或者干扰水平值的对比关系值; 确定单元, 用于根 据多个小区的负载信息, 确定在上行接入时使用的上行接入载波。
这样, 根据本发明实施例, 使得终端设备在主动发起上行接入时, 能够根据小区的 干扰水平值或者干扰水平值的对比关系值等负载信息, 选择合适的上行接入载波, 解决 了终端主动触发上行接入时的载波选择问题。
另一方面, 提供了一种上行接入的方法, 包括: 获取终端标识和可用上行接入载波 数; 根据终端标识和可用上行接入载波数确定在上行接入时使用的上行接入载波; 使用 所述上行接入载波执行上行接入。
另一方面, 提供了一种终端设备, 包括: 获取单元, 用于获取终端标识和可用上行 接入载波数; 确定单元, 用于根据终端标识和可用上行接入载波数确定在上行接入时使 用的上行接入载波; 接入单元, 用于使用所述上行接入载波执行上行接入。
这样, 本发明实施例使得终端设备能够根据终端标识和可用上行接入载波数, 在这 些可用上行接入载波中选择要在上行接入时使用的上行接入载波,解决了终端主动触发 上行接入时的载波选择问题。
另一方面, 提供了一种向终端设备分配终端标识的方法, 该终端设备具有在包括主 载波和辅载波的多个载波中选择上行接入载波的能力, 该方法包括: 由基站向终端设备 分配对应于主载波的终端标识; 由无线网络控制器向终端设备分配对应于辅载波的终端 标识。
另一方面, 提供了一种向终端设备分配终端标识的网络侧设备, 该终端设备具有在 包括主载波和辅载波的多个载波中选择上行接入载波的能力, 网络侧设备包括基站和无 线网络控制器, 其中基站用于向终端设备分配对应于主载波的终端标识; 无线网络控制 器用于向终端设备分配对应于辅载波的终端标识。
这样, 本发明实施例不仅仅使用基站进行终端标识的分配, 还允许无线网络控制器 分配辅载波的对应终端标识, 从而提高了终端标识的分配速度。
另一方面, 提供了一种广播多个小区的公共增强专用信道资源信息的方法, 包括:
在多个小区的系统信息块中包含相应的公共增强专用信道资源信息;将多个小区的包含 公共增强专用信道资源信息的系统信息块的调度时刻设置为相同; 广播系统信息块。
另一方面, 提供了一种广播多个小区的公共增强专用信道资源信息的网络侧设备, 包括: 生成单元, 用于在多个小区的系统信息块中包含相应的公共增强专用信道资源信 息; 设置单元, 用于将多个小区的包含公共增强专用信道资源信息的系统信息块的调度 时刻设置为相同; 广播单元, 用于广播系统信息块。
这样, 本发明实施例使得多个小区的系统信息块具有相同的调度时刻, 因此系统信 息块的调度能够对齐, 从而终端设备可以同时读取多个小区的相应系统信息块, 加快了 终端设备获取资源信息的时间。
另一方面, 提供了一种发送控制信息的方法, 包括: 在用户面数据中与预定逻辑信 道相对应的包头字段或有效负载上携带控制信息; 向终端设备发送用户面数据。
另一方面, 提供了一种发送控制信息的网络侧设备, 包括: 信息单元, 用于在用户 面数据中与预定逻辑信道相对应的包头字段或有效负载上携带控制信息; 发送单元, 用 于向终端设备发送用户面数据。
这样, 本发明实施例提供了新的携带控制信息的方式, 即在下行的用户面数据中携 带控制信息, 从而能够在现有数据格式不作改动的情况下, 携带需要发送给终端设备的 控制信息。 附图说明 为了更清楚地说明本发明实施例的技术方案,下面将对实施例或现有技术描述中所 需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实 施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这 些附图获得其他的附图。
图 1是根据本发明实施例的上行接入的方法的示意流程图。
图 2是根据本发明实施例的终端设备的示意框图。
图 3是根据本发明实施例的向终端设备分配终端标识的方法的示意流程图。
图 4是根据本发明实施例的向终端设备分配终端标识的网络侧设备的示意框图。 图 5是根据本发明实施例的广播多个小区的公共增强专用信道资源信息的方法的示 意流程图。
图 6是根据本发明实施例的广播多个小区的公共增强专用信道资源信息的网络侧设
备的示意框图。
图 7是根据本发明实施例的发送控制信息的方法的示意流程图。
图 8是 MAC-ehs的 PDU格式的示意结构图。
图 9是根据本发明实施例的发送控制信息的网络侧设备的示意框图。
图 10是根据本发明实施例的上行接入的方法 100的示意流程图。
图 11是根据本发明实施例的终端设备 110的示意框图。 具体实施方式 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整 地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于本 发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他 实施例, 都属于本发明保护的范围。
本发明的技术方案, 可以应用于各种通信系统, 例如: GSM, 码分多址(CDMA, Code Division Multiple Access ) 系统, 宽带码分多址 (WCDMA, Wideband Code Division Multiple Access Wireless ),通用分组无线业务(GPRS, General Packet Radio Service), 长期演进 (LTE, Long Term Evolution) 等。
移动终端 (Mobi le Terminal ), 也可称之为移动用户 (UE, User Equipment ), 移 动用户设备等, 可以经无线接入网 (例如, RAN, Radio Access Network) 与一个或多 个核心网进行通信, 移动终端可以是移动终端, 如移动电话 (或称为 "蜂窝" 电话)和 具有移动终端的计算机, 例如, 可以是便携式、 袖珍式、 手持式、 计算机内置的或者车 载的移动装置, 它们与无线接入网交换语言和 /或数据。
基站, 可以是 GSM或 CDMA中的基站 (BTS, Base Transceiver Station), 也可以 是 WCDMA中的基站(NodeB),还可以是 LTE中的演进型基站(eNB或 e-NodeB, evolutional Node B), 本发明并不限定, 但为描述方便, 下述实施例以 Node B为例进行说明。
应注意, 虽然下文中主要使用 UE代表终端设备、 Node B (节点 B) 代表基站、 RNC 代表无线网络控制器, 但是这些名称不对本发明实施例的范围构成限制。 本发明实施例 不限于网络的具体制式, 而是可以应用于任何多载波系统。
UE有上行数据要发送, 但是此时网络侧无法提前知道, 因此需要 UE根据某些信息 自主判决接入的频点。
图 1是根据本发明实施例的上行接入的方法 10的示意流程图。方法 10主要由终端
设备执行。
如图 1所示, 在方法 10的 101, UE获取多个小区的负载信息。 该负载信息为多个 小区的干扰水平值或者干扰水平值的对比关系值。 例如, 所述多个小区可以是 UE的驻 留小区, 或者是该驻留小区的同覆盖异频邻区, 或者是可与该驻留小区配对为多载波工 作的邻区。
根据本发明的一个实施例,可通过当前小区广播获取包括当前小区和邻小区的多个 小区的负载信息。 目前网络侧在 SIB7 (System Information Block 7; 系统信息块 7) 中广播本小区的千扰水平。可修改广播内容,在当前小区中广播本小区干扰水平的同时, 也同时广播可能配置多载波操作的邻小区的干扰水平。这样, UE不需要读取多个小区的 SIB7,仅需要读取当前小区的 SIB7即可获得当前小区和邻小区等多个小区的负载信息。
根据本发明的另一实施例, UE可读取多个小区分别广播的系统信息块(SIB), 并从 系统信息块中获取负载信息。例如, UE可周期性地读取各个小区的 SIB,获取干扰水平,。
上面两种方式的读取周期可以由 SIB7中的过期因子决定, 也可能由网络侧通过信 令配置专门的周期。 而且, 网络侧在初始配置多载波或周期的时候, 可同时将各小区的 干扰水平或其对比关系配置给 UE, 以使得 UE能够在广播读取之前的或者初始的干扰水 平或其对比关系。
根据本发明的另一实施例,可获取网络侧设备通过专有信令或用户面数据携带的负 载信息。网络侧通过专有信令携带各小区的干扰水平或其对比关系的方法可以通过在现 有信令中增加 IE ( Information Element; 信息元) 的方式实现。
通过用户面数据携带负载信息的方法中, 可由网络侧设备通过 MAC (Media Access Control ; 媒体接入控制) 层数据的包头或有效负载携带负载信息。 具体携带方式将在 下文中详细描述。
另外, 通过本发明实施例的方式中携带干扰水平时, 为了减小 SIB7 中广播的信息 量或专有信令的大小, 可以仅广播小区索引和干扰水平值, 或小区索引和干扰水平值的 排序 (对比关系值)。 小区索引与小区的对应关系可以在多载波建立时发送给 UE, 也可 以在某个 SIB中广播该对应关系。
举例而言, 假设小区索引 index的范围是 1-4, 在 SIB7中广播的是: 3412 (降序或 者升序), 那么这可以表示 1、 2、 3、 4四个小区的干扰水平排序。如上所述, 索引 1、 2、 3、 4分别指代哪些小区的信息可以通过专有信令或者 SIB5指定给 UE。 当然 SIB7中广 播的也可以不是排序 (对比关系值), 而是具体的干扰水平值。
然后在 102, UE根据多个小区的负载信息,确定在上行接入时使用的上行接入载波。 例如, UE在接入时比较干扰水平值, 选择合适的接入小区, 或者直接根据干扰水平值的 对比关系值, 选择合适的接入小区。
根据本发明的另一实施例, 可根据终端标识和可用上行接入载波数, 确定在上行接 入时使用的上行接入载波。 这里, 终端标识可以是 UE的 IMSI ( International Mobile Subscriber Identification;国际移动用户标识 )、 TMSI (Temporary Mobile Subscriber Identity; 临时移动用户标识)、 URNTI ( UTRAN Radio Network Temporary Identification; UTRAN无线网络临时标识)、 HRNTI (HS-DSCH RNTI; HS- DSCH无线网 络临时标识)、 E-RNTI ( E-DCH RNTI ; E- DCH无线网络临时标识) 或者其他可能的 UE 标识, UE利用终端标识模 (mod) 可用上行接入载波数, 并根据余数计算优选的接入载 波。
这样, 根据本发明实施例, 使得终端设备在主动发起上行接入时, 能够根据小区的 干扰水平值或者干扰水平值的对比关系值等负载信息, 选择合适的上行接入载波, 解决 了终端主动触发上行接入时的载波选择问题。
图 2是根据本发明实施例的终端设备 20的示意框图。终端设备 20的一个非限制性 的例子是上述 UE。 如图 2所示, 终端设备 20包括获取单元 22和确定单元 24。
获取单元 22用于获取多个小区的负载信息, 该负载信息为多个小区的干扰水平值 或者干扰水平值的对比关系值。 确定单元 24用于根据多个小区的负载信息, 确定在上 行接入时使用的上行接入载波。
终端设备 20可执行图 1所示的方法 10的各个过程,为避免重复,不再赘述。例如, 获取单元 22可通过当前小区广播获取包括当前小区和邻小区的多个小区的负载信息。 此时修改广播内容, 在当前小区中广播本小区干扰水平的同时, 也同时广播可能配置多 载波操作的邻小区的干扰水平。
可替换地, 获取单元 22可读取多个小区分别广播的系统信息块(例如, SIB7), 并 从系统信息块中获取负载信息。 此外, 获取单元 22也可获取网络侧设备通过专有信令 或用户面数据携带的负载信息, 例如新增的 IE或 MAC层数据的包头或有效负载。
这样, 根据本发明实施例, 使得终端设备在主动发起上行接入时, 能够根据小区的 干扰水平值或者干扰水平值的对比关系值等负载信息, 选择合适的上行接入载波, 解决 了终端主动触发上行接入时的载波选择问题。
UE的可用上行载波可包括主载波和辅载波, 分别对应不同的小区。 首先需要给 UE
分配对应不同载波的终端标识,如 E-RNTI。当然 UE可以在所有载波采用相同的 E-RNTI, 或者 UE可对每个可用上行载波分配不同的 E- RNTI。
目前对与 CELL一 DCH UE的主辅载波对应的 E-RNTI都是由 Node B来分配。 对于单载 波 CELL— FACH的 UE, 对应的 E-RNTI也是由 Node B在初始连接建立过程中分配的。对于 多载波 CELL_FACH UE, Node B在初始连接建立过程中分配此时的上行载波 (即, 主载 波) 的对应 E-RNTI。 然后才由 RNC (Radio Network Controller; 无线网络控制器) 根 据 UE的能力指定辅载波。 如果辅载波也需要分配 E-RNTI, 参照目前的相关技术只能通 过 Node B来分配。
但是, 如上所述, E-RNTI 的分配过程在辅载波的指定过程之前, 因此显然无法由 Node B在分配主载波的 E-RNTI的同时分配辅载波的 E-RNTI。 此时, 如果重复一遍与主 载波 E-RNTI分配过程类似的方式, 再由 Node B分配辅载波的 E- RNTI, 会减慢终端标识 的分配速度。
图 3是根据本发明实施例的向终端设备分配终端标识的方法 30的示意流程图。 其 中该终端设备具有在包括主载波和辅载波的多个载波中选择上行接入载波的能力。
如图 3所示, 在方法 30的 301, 由基站 (例如, Node B) 向终端设备 (例如, UE) 分配对应于主载波的终端标识 (例如, 上述 E-RNTI )。 例如, Node B在初始连接建立过 程中, 分配主载波的 E-RNTI。
在 302, 由无线网络控制器(例如, RNC)向终端设备分配对应于辅载波的终端标识。
RNC如果允许 UE上行载波动态选择, 则在 RNC建立多载波(指定辅载波)的同时分配辅 载波的 E- RNTI,并在多载波配置消息中通知 UE,然后在向 Node B发送用户数据的时候, 将分配的辅载波 E- RNTI同时发送给 Node B。
根据本发明的一个实施例, RNC可以在接收到 Node B分配的主载波的对应终端标识 和 UE上报的终端能力之后, 再分配辅载波的对应终端标识 E- RNTI, 并向 UE和 Node B 通知所分配的辅载波 E-RNTI。
另外, RNC可以给所有辅载波均分配 E- RNTI,也可以仅仅对部分辅载波分配 E- RNTI。 例如, RNC可以根据终端能力和自身的业务情况, 仅允许终端在部分辅载波上进行上行 接入, 此时仅仅对多个辅载波中的允许进行上行接入的部分辅载波分配相应的终端标 识。
这样, 本发明实施例不仅仅使用基站进行终端标识的分配, 还允许无线网络控制器 分配辅载波的对应终端标识, 从而提高了终端标识的分配速度。
图 4是根据本发明实施例的向终端设备分配终端标识的网络侧设备 40的示意框图。 其中该终端设备具有在包括主载波和辅载波的多个载波中选择上行接入载波的能力。
如图 4所示, 网络侧设备 40包括基站 42和无线网络控制器 44。 基站 42 (例如, Node B)用于向终端设备分配对应于主载波的终端标识。无线网络控制器 44 (例如, RNC) 用于向终端设备分配对应于辅载波的终端标识。
网络侧设备 40可执行图 3的方法 30的各个过程, 为避免重复, 不再赘述。 例如, RNC可以在接收到 Node B分配的主载波的对应终端标识和 UE上报的终端能力之后, 再 分配辅载波的对应终端标识 E-RNTI , 并向 UE和 Node B通知所分配的辅载波 E- RNTI。
另外, RNC可以给所有辅载波均分配 E-RNTI,也可以仅仅对部分辅载波分配 E-RNTI。 例如, RNC可以根据终端能力和自身的业务情况, 仅允许终端在部分辅载波上进行上行 接入, 此时仅仅对多个辅载波中的允许进行上行接入的部分辅载波分配相应的终端标 识。
这样, 本发明实施例不仅仅使用基站进行终端标识的分配, 还允许无线网络控制器 分配辅载波的对应终端标识, 从而提高了终端标识的分配速度。
在分配了 E- RNTI 之后, UE 需要获取所有可用上行载波的 Common- EDCH
(Common-Enhanced Dedicated Channel ; 公共增强专用信道) 资源信息。
目前 Common- EDCH资源在小区系统信息中广播。 UE可以通过读取小区的系统信息广 播获取 Common- EDCH资源信息。 当 UE可在多个小区进行上行接入 (即, 具有从多个载 波中选择上行接入载波的能力)时, UE需要读取多个小区的 Common-EDCH配置信息。但 是, 多个小区的 Common- EDCH信息的调度时间点可能不同, 因此需要 UE花费较长的时 间获取多个小区的 Common-EDCH信息。
图 5是根据本发明实施例的广播多个小区的 Common-EDCH资源信息的方法 50的示 意流程图。 如图 5所示, 在方法 50的 501, 在多个小区的系统信息块(例如, SIB5) 中 包含相应的公共增强专用信道资源信息, 并在 502, 将多个小区的包含公共增强专用信 道资源信息的系统信息块(SIB5 ) 的调度时刻设置为相同。 这样, 强制要求可进行多载 波操作的小区之间调度 SIB5的调度时刻相同。 由于 Common-EDCH信息包含载 SIB5中, 因此如果 SIB5的调度是对齐的, UE可以同时读取多个小区的 SIB5, 加快了 UE获取多 个小区 Co誦 on- EDCH资源的时间。
然后在 503, 广播这些系统信息块。 例如, 将 Common-EDCH信息通过专用信令发送 给 UE。
这样, 本发明实施例使得多个小区的系统信息块具有相同的调度时刻, 因此系统信 息块的调度能够对齐, 从而终端设备可以同时读取多个小区的相应系统信息块, 加快了 终端设备获取资源信息的时间。
根据本发明的另一实施例, 在 UE的连接建立过程或者 RB (Radio Bearer; 无线承 载)建立 /修改过程中, RNC通过专用信令将 UE的辅载波的 Common-EDCH信息发送给 UE, 不需要 UE再通过广播获取这些信息。
上面的发送 Common-EDCH信息的不同方式也可相应地应用于 UE侧。 gp, 在 UE侧, 通过多个小区的小区广播, 接收多个小区的公共增强专用信道资源信息, 其中多个小区 的小区广播中的系统信息块的时间被设置为相同。可替换地, UE可通过专用信令接收多 个小区的公共增强专用信道资源信息。
图 6是根据本发明实施例的广播多个小区的公共增强专用信道资源信息的网络侧设 备 60的示意框图。 例如, 网络侧设备 60可以是基站。
如图 6所示, 网络侧设备 60包括生成单元 62、 设置单元 64和广播单元 66。 生成 单元 62用于在多个小区的系统信息块中包含相应的公共增强专用信道资源信息; 设置 单元 64用于将多个小区的包含公共增强专用信道资源信息的系统信息块的调度时刻设 置为相同; 广播单元 66用于广播系统信息块。
网络侧设备 60可执行图 5的方法 50的各个过程, 为避免重复, 不再赘述。 例如, 生成单元 62可以在系统信息块 SIB5中包含相应的公共增强专用信道资源信息。
这样, 本发明实施例使得多个小区的相应系统信息块具有相同的调度时刻, 因此系 统信息块的调度能够对齐, 从而终端设备可以同时读取多个小区的系统信息块, 加快了 终端设备获取资源信息的时间。
在图 1中描述了由 UE 自主选择从那个载波上进行上行接入。 根据本发明的另一实 施例, 也可由网络侧预先指定 UE的接入载波。
图 7是根据本发明实施例的发送控制信息的方法 70的示意流程图。
如图 7所示, 在方法 70的 701, 在用户面数据(如 MAC数据) 中与预定逻辑信道相 对应的包头字段或有效负载上携带控制信息。然后在 702, 向终端设备发送用户面数据。
对于大部分业务, 下行数据发送的同时, 需要有上行的反馈。 网络侧向 UE发送下 行数据的同时,很可能导致 UE发起上行接入。因此如果网络侧有下行数据要发送给 UE, 可以在下行数据中携带 UE上行可用的接入资源, 包括推荐 UE进行上行接入的载波和 / 或接入时使用的 Common-EDCH资源编号 (如果不携带载波信息表示指示 UE从当前主载
波进行接入)。 具体携带的位置有很多种, 可以通过在包头或者有效负载数据中, 或者 两者结合。
根据本发明的一个实施例, 可以在 MAC (媒体接入控制层) 包头中携带接入载波的 指示信息。
图 8是 MAC- ehs的 PDU (Protocol Data Unit; 协议数据单元) 格式的示意结构图。 如图 8 所示, 包头以逻辑信道 (LCH; Logical Channel ) 为单元, 每个逻辑信道标识 (LCH-ID) 后面顺序指定该逻辑信道对应的重组单元 (reordering PDU) 的长度、 TSN ( Transmission Sequence Number; 传输序列号) 号、 是否携带 SI ( Scheduling Information; 调度信息) 的指示、 以及是否有后续分段指示 (F)。 在这种情况下, 可 以通过预定以一个逻辑信道号来携带接入载波的信息。 比如预定义逻辑信道 k (图 8中 的 LCH-IDk) 的字段 L (长度指示) 携带接入载波指示信息。 此时逻辑信道 k可以不携 带 TSN和 SI, 也可以不携带对应的 reordering PDU。 UE和 Node B均知道特定逻辑信道 号 k表明其后的字段 L里面不是具体的长度, 而是指示接入的载波和 /或资源信息。 这 样可以实现 MAC PDU格式不做改动的情况下, 携带指示 UE的上行接入载波信息。 UE收 到该 PDU后发现其中携带有逻辑信道 k, 则认为逻辑信道 k后面对应的字段 L中的内容 表示接入载波的指示信息。
可替换地,也可以在 的有效负载部分(例如与逻辑信道 k相对应的 reordering PDU) 中携带上述指示信息。 或者, 通过包头和有效负载的组合携带上述指示信息。
另外, 由于 NodeB可能并不清楚哪些数据包需要上行反馈, 因此需要 RNC在下行 FP (帧协议; Frame Protocol ) 中携带该数据包需要上反馈 (即, 需要终端设备执行上行 接入) 的指示。
另外, 这种通过特殊逻辑信道号发送控制信令的方式, 不限于发送上行接入的载波 信息或者接入资源信息, 也可以用于发送载波激活、 去激活等相关控制信息。 例如, 可 以在 L或者 reordering PDU中携带图 1的方法 10中所涉及的负载信息, 如各个小区的 干扰水平值或其对比关系值。
这样, 本发明实施例提供了新的携带控制信息的方式, 即在下行的用户面数据中携 带控制信息, 从而能够在现有数据格式不作改动的情况下, 携带需要发送给终端设备的 控制信息。
图 9是根据本发明实施例的发送控制信息的网络侧设备 90的示意框图。 例如, 网 络侧设备 90可以是基站。如图 9所示, 网络侧设备 90包括信息单元 92和发送单元 94。
信息单元 92用于在用户面数据 (例如, 上述 MAC数据) 中与预定逻辑信道相对应的包 头字段或有效负载上携带控制信息。 发送单元 94用于向终端设备发送用户面数据。
图 9的网络侧设备 90可执行图 7的方法 70的各个过程, 为避免重复, 不再赘述。 例如,控制信息可包括指示终端设备执行上行接入的上行接入载波信息或者接入资源信 息。 可替换地, 控制信息可包括载波激活或去激活信息。
根据本发明的一个实施例, 如图 8所示, 可以在 MAC (媒体接入控制层) 包头中携 带接入载波的指示信息。
这样, 本发明实施例提供了新的携带控制信息的方式, 即在下行的用户面数据中携 带控制信息, 从而能够在现有数据格式不作改动的情况下, 携带需要发送给终端设备的 控制信息。
图 10是根据本发明实施例的上行接入的方法 100的示意流程图。 方法 100包括: 1001, 获取终端标识和可用上行接入载波数。
例如, 可根据上面图 3所述的方法获取所分配的终端标识。 但是本发明实施例不限 于此, 终端标识可以是 UE的 IMSI、 TMSI、 URNTI、 HRNTI、 E-RNTI或者其他可能的 UE 标识。
1002, 根据终端标识和可用上行接入载波数确定在上行接入时使用的上行接入载 波。
例如, 可将终端标识除以可用上行接入载波数, 得到余数, 根据该余数确定优选的 上行接入载波。 例如, 可选择索引为该余数的上行接入载波。
1003, 使用所述上行接入载波执行上行接入。
这样, 本发明实施例使得终端设备能够根据终端标识和可用上行接入载波数, 在这 些可用上行接入载波中选择要在上行接入时使用的上行接入载波,解决了终端主动触发 上行接入时的载波选择问题。
图 11是根据本发明实施例的终端设备 110的示意框图。 终端设备 110包括: 获取 单元 111, 用于获取终端标识和可用上行接入载波数; 确定单元 112, 用于根据终端标 识和可用上行接入载波数确定在上行接入时使用的上行接入载波; 接入单元 113, 用于 使用所述上行接入载波执行上行接入。
终端设备 110的各个部分可分别执行图 10的方法 100的各个过程, 为避免重复, 不再赘述。 例如, 确定单元 112可将终端标识除以可用上行接入载波数, 得到余数, 根 据该余数确定优选的上行接入载波。 例如, 可选择索引为该余数的上行接入载波。
这样, 本发明实施例使得终端设备能够根据终端标识和可用上行接入载波数, 在这 些可用上行接入载波中选择要在上行接入时使用的上行接入载波,解决了终端主动触发 上行接入时的载波选择问题。
所属领域的技术人员可以清楚地了解到, 为描述的方便和简洁, 上述描述的系统, 装置和单元的具体工作过程, 可以参考前述方法实施例中的对应过程, 在此不再赘述。
在本申请所提供的几个实施例中, 应该理解到, 所揭露的系统, 装置和方法, 可以 通过其它的方式实现。 例如, 以上所描述的装置实施例仅仅是示意性的, 例如, 所述单 元的划分, 仅仅为一种逻辑功能划分, 实际实现时可以有另外的划分方式, 例如多个单 元或组件可以结合或者可以集成到另一个系统, 或一些特征可以忽略, 或不执行。 另一 点, 所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口, 装置 或单元的间接耦合或通信连接, 可以是电性, 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示 的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可以分布到多个 网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的 目的。
另外, 在本发明各个实施例中的各功能单元可以集成在一个处理单元中, 也可以是 各个单元单独物理存在, 也可以两个或两个以上单元集成在一个单元中。 上述集成的单 元既可以采用硬件的形式实现, 也可以采用软件功能单元的形式实现。 本领域普通技术 人员可以意识到, 结合本文中所公开的实施例描述的各示例的单元及算法步骤, 能够以 电子硬件、计算机软件或者二者的结合来实现,为了清楚地说明硬件和软件的可互换性, 在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件 还是软件方式来执行, 取决于技术方案的特定应用和设计约束条件。 专业技术人员可以 对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本 发明的范围。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发明的技术方案本质上 或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形 式体现出来, 该计算机软件产品存储在一个存储介质中, 包括若干指令用以使得一台计 算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例所述 方法的全部或部分步骤。 而前述的存储介质包括: U盘、 移动硬盘、 只读存储器 (ROM,
Read- Only Memory ), 随机存取存储器 (RAM, Random Access Memory ) 磁碟或者光盘 等各种可以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限于此, 任何 熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到变化或替换, 都应 涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应所述以权利要求的保护范围 为准。
Claims
1、 一种上行接入的方法, 其特征在于, 包括:
获取多个小区的负载信息,所述负载信息为所述多个小区的干扰水平值或者所述干 扰水平值的对比关系值;
根据所述多个小区的负载信息, 确定在上行接入时使用的上行接入载波。
2、 如权利要求 1所述的方法, 其特征在于, 获取多个小区的负载信息包括: 通过当前小区广播获取包括当前小区和邻小区的所述多个小区的负载信息。
3、 如权利要求 1所述的方法, 其特征在于, 获取多个小区的负载信息包括: 读取所述多个小区分别广播的系统信息块;
从所述系统信息块中获取所述负载信息。
4、 如权利要求 1所述的方法, 其特征在于, 获取多个小区的负载信息包括- 获取网络侧设备通过专有信令或用户面数据携带的所述负载信息。
5、 如权利要求 4所述的方法, 其特征在于, 获取网络侧设备通过用户面数据携带 的所述负载信息包括:
获取所述网络侧设备通过媒体接入控制 MAC层数据的包头或有效负载携带的所述负 载信息。
6、 如权利要求 1所述的方法, 其特征在于, 还包括:
通过专用信令接收所述多个小区的公共增强专用信道资源信息。
7、 一种上行接入的方法, 其特征在于, 包括:
获取终端标识和可用上行接入载波数;
根据终端标识和可用上行接入载波数确定在上行接入时使用的上行接入载波; 使用所述上行接入载波执行上行接入。
8、 如权利要求 7所述的方法, 其特征在于, 根据终端标识和可用上行接入载波数 确定在上行接入时使用的上行接入载波包括:
将所述终端标识除以所述可用上行接入载波数, 得到余数;
根据所述余数确定所述上行接入载波。
9、 一种向终端设备分配终端标识的方法, 其特征在于, 所述终端设备具有在包括 主载波和辅载波的多个载波中选择上行接入载波的能力, 所述方法包括:
由基站向所述终端设备分配对应于主载波的终端标识;
由无线网络控制器向所述终端设备分配对应于辅载波的终端标识。
10、 如权利要求 9所述的方法, 其特征在于, 由无线网络控制器向所述终端设备分 配对应于辅载波的终端标识包括:
所述无线网络控制器在接收到基站分配的主载波的终端标识和终端上报的终端能 力之后,分配所述对应于辅载波的终端标识并向所述终端设备和基站通知所述对应于辅 载波的终端标识。
11、 如权利要求 9所述的方法, 其特征在于, 由无线网络控制器向所述终端设备分 配对应于辅载波的终端标识包括:
所述无线网络控制器对多个辅载波中的全部或部分允许进行上行接入的辅载波分 配相应的终端标识。
12、 一种广播多个小区的公共增强专用信道资源信息的方法, 其特征在于, 包括. - 在所述多个小区的系统信息块中包含相应的公共增强专用信道资源信息; 将所述多个小区的包含公共增强专用信道资源信息的系统信息块的调度时刻设置 为相同;
广播所述系统信息块。
13、 一种发送控制信息的方法, 其特征在于, 包括:
在用户面数据中与预定逻辑信道相对应的包头字段或有效负载上携带所述控制信 息;
向终端设备发送所述用户面数据。
14、 如权利要求 13所述的方法, 其特征在于, 所述控制信息包括指示所述终端设 备执行上行接入的上行接入载波信息或者接入资源信息。
15、 如权利要求 14所述的方法, 其特征在于, 所述方法还包括:
从无线网络控制器接收下行帧协议 FP帧,其中所述下行 FP帧中携带指示需要所述 终端设备执行上行接入的指示信息;
根据所述指示信息生成所述控制信息。
16、 如权利要求 13所述的方法, 其特征在于, 所述控制信息包括载波激活或去激 活信息。
17、 一种终端设备, 其特征在于, 包括:
获取单元, 用于获取多个小区的负载信息, 所述负载信息为所述多个小区的干扰水 平值或者所述干扰水平值的对比关系值;
确定单元, 用于根据所述多个小区的负载信息, 确定在上行接入时使用的上行接入 载波。
18、 如权利要求 17所述的终端设备, 其特征在于, 所述获取单元通过当前小区广 播获取包括当前小区和邻小区的所述多个小区的负载信息。
19、 如权利要求 17所述的终端设备, 其特征在于, 所述获取单元读取所述多个小 区分别广播的系统信息块, 并从所述系统信息块中获取所述负载信息。
20、 如权利要求 17所述的终端设备, 其特征在于, 所述获取单元获取网络侧设备 通过专有信令或用户面数据携带的所述负载信息。
21、 一种终端设备, 其特征在于, 包括:
获取单元, 用于获取终端标识和可用上行接入载波数;
确定单元, 用于根据终端标识和可用上行接入载波数确定在上行接入时使用的上行 接入载波;
接入单元, 用于使用所述上行接入载波执行上行接入。
22、 一种向终端设备分配终端标识的网络侧设备, 其特征在于, 所述终端设备具有 在包括主载波和辅载波的多个载波中选择上行接入载波的能力,所述网络侧设备包括基 站和无线网络控制器, 其中
所述基站, 用于向所述终端设备分配对应于主载波的终端标识;
所述无线网络控制器, 用于向所述终端设备分配对应于辅载波的终端标识。
23、 一种广播多个小区的公共增强专用信道资源信息的网络侧设备, 其特征在于, 包括:
生成单元,用于在所述多个小区的系统信息块中包含相应的公共增强专用信道资源
I B 'Κ、;
设置单元,用于将多个小区的包含公共增强专用信道资源信息的系统信息块的调度 时刻设置为相同;
广播单元, 用于广播所述系统信息块。
24、 一种发送控制信息的网络侧设备, 其特征在于, 包括:
信息单元, 用于在用户面数据中与预定逻辑信道相对应的包头字段或有效负载上携 带所述控制信息;
发送单元, 用于向终端设备发送所述用户面数据。
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TWI503013B (zh) * | 2012-11-06 | 2015-10-01 | Apple Inc | 以小區負載爲基礎之小區轉換 |
CN104283817B (zh) * | 2013-07-03 | 2017-10-27 | 新华三技术有限公司 | 用于实现交换线卡与逻辑线卡互通的方法及报文转发设备 |
EP3033850B1 (en) * | 2013-08-16 | 2019-10-02 | Sony Corporation | Telecommunications apparatus and methods |
EP3051912A4 (en) * | 2013-09-27 | 2017-05-17 | Nec Corporation | Communication apparatus, communication system, control method, and storage medium on which communication program has been stored |
CN104982069B (zh) * | 2013-12-31 | 2019-06-21 | 华为技术有限公司 | Ue中继设备的驻留处理方法及设备 |
WO2017008266A1 (zh) * | 2015-07-15 | 2017-01-19 | 富士通株式会社 | Lte和wlan聚合的数据处理方法、装置以及通信系统 |
CN106792909A (zh) * | 2016-11-23 | 2017-05-31 | 中国联合网络通信集团有限公司 | 异构网主载波的配置方法及装置 |
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