WO2014043857A1 - 信道接入处理方法及其装置 - Google Patents

信道接入处理方法及其装置 Download PDF

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Publication number
WO2014043857A1
WO2014043857A1 PCT/CN2012/081577 CN2012081577W WO2014043857A1 WO 2014043857 A1 WO2014043857 A1 WO 2014043857A1 CN 2012081577 W CN2012081577 W CN 2012081577W WO 2014043857 A1 WO2014043857 A1 WO 2014043857A1
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WO
WIPO (PCT)
Prior art keywords
drx
state
prach
base station
user terminal
Prior art date
Application number
PCT/CN2012/081577
Other languages
English (en)
French (fr)
Inventor
郑潇潇
杨旭东
冯莉
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BR112015006071A priority Critical patent/BR112015006071A2/pt
Priority to CN201280001454.XA priority patent/CN103959887B/zh
Priority to EP12884781.1A priority patent/EP2890202B1/en
Priority to RU2015114580/08A priority patent/RU2605367C2/ru
Priority to MX2015003456A priority patent/MX347577B/es
Priority to PCT/CN2012/081577 priority patent/WO2014043857A1/zh
Publication of WO2014043857A1 publication Critical patent/WO2014043857A1/zh
Priority to US14/663,024 priority patent/US10143011B2/en
Priority to ZA2015/02146A priority patent/ZA201502146B/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a channel access processing method and apparatus therefor.
  • a Universal Mobile Telecommunication System UMTS
  • a User Equipment UE
  • Common Enhanced-dedicated Channel Common Enhanced-dedicated Channel
  • DRX Discontinuous Reception
  • the timer is stopped.
  • DRX Discontinuous Reception
  • the UE is in the process of compiling the E-DCH resource. In the DRX state, the DRX state is jumped out to enter the continuous receiving state.
  • the UE that supports the physical random access channel (PRACH) access and does not support the common E-DCH access, if the timer that triggers the UE to enter the DRX state is running, transmitting the uplink data does not interrupt the timing.
  • the device operates. If the UE is in the DRX state, transmitting uplink data does not interrupt the DRX state of the UE.
  • the DRX state includes a state of receiving data in a discontinuous reception period, which is called a DRX on state, and a non-receiving state in a discontinuous reception period, which is called DRX off.
  • DRX on state receives uplink data in a discontinuous reception period
  • DRX off a non-receiving state in a discontinuous reception period
  • an enhanced DRX which refers to a shorter DRX on or a longer DRX off in a discontinuous reception period
  • the enhanced DRX implementation manner may be There are two modes: one-layer DRX and two-layer DRX mechanism.
  • One-layer DRX refers to the UE directly entering long DRX after the timer that triggers the UE to enter DRX is cut off.
  • the second-layer DRX mechanism refers to two types of DRX cycles. The short DRX cycle and the long DRX cycle are used.
  • the UE After the timer that triggers the UE to enter the short DRX cycle is cut off, the UE enters the short DRX cycle, and starts the timer that triggers the UE to enter the long DRX cycle. When the timer is triggered to enter the long DRX cycle, the timer expires. After the UE enters the long DRX cycle, the long DRX cycle usually has a longer DRX off, and the UE is more power-saving when it is in the long DRX cycle.
  • the fallback to PRACH feature is introduced in the prior art, that is, after receiving the "fallback to PRACH" indication sent by the base station, the UE supporting the common E-DCH Fall back to PRACH access.
  • the PRACH access if the UE is in the long DRX state, the downlink data may be delayed, and the UE may even enter the idle state.
  • the embodiments of the present invention provide a channel access processing method and a device thereof, which are used to solve a delay problem in transmitting downlink data to a user terminal UE.
  • a first aspect of the embodiments of the present invention provides a channel access processing method, including: receiving an indication that a base station sends back to a physical random access channel PRACH; and initiating access in a common enhanced channel common E-DCH.
  • the method before or before the receiving the base station sends back an indication of the physical random access channel PRACH, the method further includes: determining that the current discontinuous reception DRX state is Or the timer that triggers the UE to enter the DRX state is in the running state.
  • the method before or before the indication sent by the receiving base station to fall back to the physical random access channel (PRACH), the method further includes:
  • the determining that the current discontinuous reception DRX state is: determining that the first DRX state is currently in the enhanced discontinuous reception DRX or The second DRX state of the enhanced DRX.
  • a second aspect of the embodiments of the present invention provides a user terminal, including: a receiving module, configured to receive an indication that a base station sends back to a physical random access channel PRACH; and an access module, configured to use a public enhanced channel common E-DCH Initiate access.
  • the user terminal further includes: a determining module, configured to determine that a timer that is currently in a discontinuous reception DRX state or triggers the UE to enter a DRX state is in an operating state.
  • the determining module is further configured to determine that the backoff to the physical random access channel PRACH and the enhanced enhanced discontinuous reception DRX are supported.
  • the determining module is specifically configured to determine that the first DRX state or the enhanced DRX is currently in the enhanced discontinuous reception DRX. The second DRX state.
  • a third aspect of the embodiments of the present invention provides a user terminal, including:
  • a receiver configured to receive an indication sent by the base station to fall back to the physical random access channel PRACH; and a processor, configured to initiate access on the common enhanced channel common E-DCH.
  • the processor is specifically configured to determine that a timer that is currently in a discontinuous reception DRX state or triggers a DRX state is in an operating state.
  • the processor is specifically configured to determine that the backoff to the physical random access channel PRACH and the enhanced enhanced discontinuous reception DRX are supported.
  • the processor is specifically configured to determine that the first DRX state or the enhanced DRX that is currently in the enhanced discontinuous reception DRX The second DRX state.
  • the embodiment of the present invention prevents the user terminal from being in the DRX off state when the base station sends the downlink data to the user terminal UE by not performing the indication of the back-off to the PRACH, thereby preventing the base station from delaying to send the downlink data to the UE.
  • a fourth aspect of the embodiments of the present invention provides a channel access processing method, including: receiving an indication that a base station sends back to a physical random access channel (PRACH);
  • PRACH physical random access channel
  • a fifth aspect of the embodiments of the present invention provides a user terminal, including: a receiving module, configured to receive an indication sent by a base station to fall back to a physical random access channel (PRACH);
  • a receiving module configured to receive an indication sent by a base station to fall back to a physical random access channel (PRACH);
  • PRACH physical random access channel
  • a determining module configured to determine a first DRX in the non-enhanced discontinuous reception DRX or the enhanced DRX;
  • An access module configured to initiate an access in the PRACH.
  • a sixth aspect of the embodiments of the present invention provides a user terminal, including: a processor and a receiver, configured to receive an indication sent by a base station to fall back to a physical random access channel (PRACH); and a processor, configured to determine The first DRX in the non-enhanced discontinuous reception DRX or the enhanced DRX initiates access in the PRACH.
  • PRACH physical random access channel
  • the DRX mechanism relatively reduces the time for the base station to delay transmission if the user terminal DRX off state when transmitting downlink data to the UE.
  • a seventh aspect of the embodiments of the present invention provides a channel access processing method, including: receiving an indication sent by a base station to fall back to a physical random access channel (PRACH);
  • PRACH physical random access channel
  • the timer that triggers the non-continuous reception of the DRX state is running, the timer is stopped.
  • the entering the continuous receiving state includes: entering the continuous receiving state when receiving the indication; or, in the physical random access channel PRACH, to the base station When the preamble information is sent, the continuous reception state is entered; or, when the positive acknowledgement frame or the negative acknowledgement frame fed back by the base station according to the preamble information is received on the capture indication channel AICH, the continuous reception state is entered; or on the PRACH After transmitting the common control channel CCCH message or the dedicated control channel DCCH message to the RNC, the continuous reception state is entered.
  • An eighth aspect of the embodiments of the present invention provides an access processing method, including: receiving a common control channel CCCH message or a dedicated control channel DCCH message sent by a user terminal UE that supports the Fallback to PRACH function on a PRACH; The UE is currently in the frame or signaling of the continuous reception status indication.
  • the sending, by the base station, the indication information that the UE is currently in a continuous receiving state or a continuous scheduling state includes: a frame protocol FP frame or signaling or the CCCH message.
  • the indication information is carried in the response frame of the DCCH message or the first downlink frame after receiving the CCCH message or the DCCH message.
  • a ninth aspect of the embodiments of the present invention provides an access processing method, including: receiving, by a radio network controller, an RNC, a frame or signaling that carries a user terminal UE that is currently in a continuous receiving state or a continuous scheduling state indication, and the frame or the signaling It is used to enable the base station to continuously schedule downlink data.
  • a tenth aspect of the embodiments of the present invention provides a user terminal, including: a receiving module, configured to receive an indication that a base station sends back to a physical random access channel PRACH; and an access module, configured to initiate an access in the PRACH; And an update module, configured to enter a continuous receiving state; wherein, if a timer that triggers into the discontinuous reception DRX state is running, the timer is stopped.
  • the updating module is specifically configured to: when receiving the indication, enter a continuous receiving state; or, in the physical random access channel
  • the continuous reception state is entered; or, when the positive acknowledgement frame or the negative acknowledgement frame fed back by the base station according to the preamble information is received on the capture indication channel AICH, the continuous reception state is entered; or After transmitting the common control channel CCCH message or the dedicated control channel DCCH message to the RNC, the PRACH enters a continuous receiving state.
  • An eleventh embodiment of the present invention provides a radio network controller, including: a receiving module, configured to receive a common control channel CCCH message or a dedicated control channel DCCH message sent by a user terminal UE that supports the Fallback to PRACH function on a PRACH; And a sending module, configured to send, to the base station, a frame or signaling that carries the indication that the UE is currently in a continuous receiving state, so that the base station sends downlink data to the UE.
  • the sending module is specifically configured to: in a frame protocol FP frame or signaling, or a response frame of the CCCH message or a DCCH message, or receive the CCCH message.
  • the indication information is carried in the first downlink frame after the DCCH message.
  • a twelfth embodiment of the present invention provides a base station, including: a receiving module, configured to receive a frame or signaling that is sent by a radio network controller RNC and that is currently in a continuous receiving state indication, where the user equipment UE is in a continuous receiving state indication, the frame or signaling It is used to enable the base station to continuously schedule downlink data.
  • a receiving module configured to receive a frame or signaling that is sent by a radio network controller RNC and that is currently in a continuous receiving state indication, where the user equipment UE is in a continuous receiving state indication, the frame or signaling It is used to enable the base station to continuously schedule downlink data.
  • a thirteenth aspect of the embodiments of the present invention provides a channel access processing system, including: the foregoing radio network controller and the foregoing base station.
  • a fourteenth aspect of the embodiments of the present invention provides a user terminal, including:
  • a receiver configured to receive an indication that the base station sends back to the physical random access channel (PRACH); the processor is configured to initiate an access in the PRACH, and enter a continuous receiving state; wherein, if the triggering enters the discontinuous reception DRX state The timer is stopped and the timer is stopped.
  • PRACH physical random access channel
  • the processor is specifically configured to enter a continuous receiving state when receiving the indication;
  • the continuous reception state is entered;
  • the continuous reception state After transmitting the common control channel CCCH message or the dedicated control channel DCCH message to the RNC on the PRACH, the continuous reception state is entered.
  • a fifteenth aspect of the embodiments of the present invention provides a radio network controller, including: a receiver, configured to receive a common control channel CCCH message or a dedicated control channel DCCH message sent by the user terminal UE that supports the Fallback to PRACH function on the PRACH;
  • a transmitter configured to send, to the base station, a frame or signaling that carries the UE in a continuous receiving state or a continuous scheduling state.
  • the transmitter is specifically configured to: in a frame protocol FP frame or signaling, or a response frame of the CCCH message or a DCCH message, or receive the CCCH message.
  • the indication information is carried in the first downlink frame after the DCCH message.
  • a sixteenth aspect of the embodiments of the present invention provides a base station, including:
  • the receiver is configured to receive a frame or signaling sent by the radio network controller RNC that carries the user terminal UE currently in the continuous receiving state indication, where the frame or signaling is used to enable the base station to continuously schedule the downlink data.
  • the UE skips the DRX state, and the RNC informs the base station that the UE is in the continuous receiving state, so that the base station can immediately send downlink data to the UE, and the base station delays sending downlink data when the UE is in the DRX off state.
  • the RNC informs the base station that the UE is in the continuous receiving state, so that the base station can immediately send downlink data to the UE, and the base station delays sending downlink data when the UE is in the DRX off state.
  • FIG. 1 is a schematic flowchart of Embodiment 1 of a channel access processing method provided by the present invention
  • FIG. 2 is a schematic structural diagram of Embodiment 1 of a user terminal according to the present invention
  • Embodiment 2 of a user terminal according to the present invention is a schematic structural diagram of Embodiment 2 of a user terminal according to the present invention.
  • Embodiment 1 of a user terminal according to the present invention is a schematic structural diagram of Embodiment 1 of a user terminal according to the present invention.
  • FIG. 5 is a schematic flowchart of Embodiment 1 of another method for processing a channel access according to the present invention
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • FIG. 8 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention
  • FIG. 9 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention
  • FIG. 12 is a schematic structural diagram of Embodiment 1 of a radio network controller according to the present invention
  • FIG. 13 is a schematic structural diagram of Embodiment 1 of a channel access processing system according to the present invention
  • FIG. 14 is a schematic flowchart of Embodiment 2 of a channel access processing system according to the present invention
  • FIG. 16 is a schematic structural diagram of Embodiment 1 of another radio network controller according to 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.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • CDMA Code Division Multiple
  • TDMA Time Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency OFDMA (Orthogonal Frequency-Division Multiple Access) system
  • SC-FDMA single carrier FDMA
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • the user equipment which may be a wireless terminal or a wired terminal, may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and with a mobile terminal Computer, for example, can be a portable, pocket, handheld, computer built-in or vehicle-mounted mobile device, They exchange language and/or data with the wireless access network.
  • a radio access network eg, RAN, Radio Access Network
  • a wireless terminal may also be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • a base station can refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • 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 in LTE (NodeB or eNB or e-NodeB, evolutional Node B), this application is not limited.
  • the base station controller may be a base station controller (BSC) in GSM or CDMA, or may be a radio network controller (RNC) in WCDMA, which is not limited in this application.
  • BSC base station controller
  • RNC radio network controller
  • system and “network” are often used interchangeably herein.
  • the term “and/or” is merely an association describing an associated object, indicating that there may be three relationships, such as , A and / or B, can mean: There are A alone, there are A and B, there are three cases of B it.
  • the character ",” in this paper, indicates that the context is an "or” relationship.
  • FIG. 1 is a schematic flowchart of Embodiment 1 of a channel access processing method according to the present invention. As shown in FIG. 1 , the method is as follows:
  • the indication of the fallback to the PRACH may be that a negative acknowledgement frame is received on the capture indication channel (AICH) or a special common E-DCH resource indication is received. It should be noted that the negative acknowledgement frame is used to indicate that there is no competition.
  • Common E-DCH resource, special common E-DCH resource indication Specifically, the UE may be determined to be rolled back to the PRACH according to the resource number of the comm0 n E-DCH resource.
  • the foregoing fallback to the PRACH indication is received by the user terminal, and the user terminal may be currently in the common E-DCH to initiate access. But it is not limited to this.
  • the indication is ignored, that is, the user terminal considers that the user does not receive the indication processing or performs a negative acknowledgement frame, that is, as long as the medium access control (Medium Access Control)
  • the abbreviation (MAC) layer random access cycle does not reach the maximum value or a positive acknowledgement frame is detected on the AICH, and the access is continued on the common E-DCH.
  • the positive acknowledgement frame is received on the AICH. If the user terminal is in the DRX state, the DRX state is jumped to the continuous reception state. If the timer that triggers the user terminal to enter the DRX state is running, The timer will be stopped and the continuous reception state will be entered. It should be noted that if the user terminal enters the DRX state, the DRX off state must be experienced, that is, the downlink data is not received during this period, which causes the base station to delay sending downlink data.
  • the UE starts the timer that triggers the UE to enter the DRX state after receiving the downlink data, and the UE enters the DRX state again after the timer expires.
  • the timer that triggers the long DRX state is restarted after receiving the downlink data, and the UE enters the long DRX state after the timer is cut off; if the Layer 2 DRX is configured ( That is, both the short DRX and the long DRX are configured.
  • the timer that triggers the short DRX state is restarted.
  • the UE enters the short DRX, and simultaneously starts the timer that triggers the long DRX state.
  • the UE enters the long DRX.
  • the UE does not perform the indication of the fallback to the PRACH, so that the UE continues to initiate the access in the common E-DCH, and the UE skips the DRX state and enters the continuous receiving state after the common E-DCH resource is contend, thereby preventing the base station from transmitting the downlink to the UE.
  • the UE In the case of data, the UE is in the DRX off state, so that the base station delays transmitting downlink data to the UE.
  • the foregoing 101 may further include: before or after receiving the indication that the base station sends back to the physical random access channel (PRACH), it is determined that the DRX is currently discontinuously received. The status or the timer that triggered the DRX status is running. If the current user terminal is in a discontinuous reception state, or the timer that currently triggers the user terminal to enter the DRX is running, the instruction to fall back to the PRACH is ignored, that is, the user terminal considers that the indication processing is not received or is performed as a backoff.
  • PRACH physical random access channel
  • the acknowledgment frame that is, as long as the MAC layer random access cycle period does not reach the maximum value or the positive acknowledgment frame is not received on the AICH, the access is continued in the common E-DCH, otherwise the user terminal can perform the instruction to fall back to the PRACH. At this time, the base station does not send or reduce the delay to send downlink data to the user terminal.
  • the foregoing determining that the current DRX state is included includes: determining a first DRX state that is currently in the enhanced DRX, that is, a short DRX state, or a second DRX state of the enhanced DRX, that is, a long DRX state; wherein the first DRX state is usually
  • the DRX off state duration is much shorter than the DRX off state duration of the second DRX state, or the DRX on state duration of the first DRX state is greater than the DRX on state duration of the second DRX; of course, the user terminal may also be in the non- In the enhanced DRX state, the DRX off state in the non-enhanced DRX state has a shorter duration.
  • the Fallback to PRACH indication is ignored, that is, the user terminal considers that the indication processing is not received or is performed as a negative acknowledgement frame, that is, as long as the MAC layer is random. If the access cycle does not reach the maximum value or does not hear the positive acknowledgement frame on the AICH, the access is continued on the common E-DCH.
  • the user terminal may perform the operation of rolling back to the PRACH, that is, the user terminal is in the continuous receiving state or The operation of the fallback to the PRACH is performed in the first DRX state; or the Fallback to PRACH indication is ignored when the user terminal is in the second DRX or the first DRX, that is, the user terminal considers that the indication is not received or processed.
  • a negative acknowledgement frame is performed, that is, as long as the MAC layer random access cycle period does not reach the maximum value, the access is continued in the common E-DCH, otherwise the user terminal may perform an instruction to fall back to the PRACH.
  • the UE is in the DRX off state when the base station sends the downlink data to the UE, and the UE is in the DRX off state, so that the base station is in the DRX off state, and the UE is in the DRX off state. Delaying the transmission of downlink data to the UE.
  • FIG. 2 is a schematic structural diagram of Embodiment 1 of a user terminal according to the present invention.
  • the user terminal includes: a receiving module 201 and an access module 202.
  • the receiving module 201 is configured to receive an indication sent by the base station to fall back to the physical random access channel PRACH.
  • the access module 202 is configured to initiate access on the common enhanced channel common E-DCH.
  • FIG. 3 is a schematic structural diagram of Embodiment 2 of a user terminal according to the present invention.
  • the user terminal further includes a determining module 203, where the determining module 203 is configured to determine that the DRX state is currently discontinuously received or the DRX state is triggered.
  • the timer is in an on state, and is specifically used to determine a first DRX state that is currently in the enhanced DRX or a second DRX state of the enhanced DRX.
  • the determining module 203 is further configured to determine that the user terminal supports fallback to the physical random access channel PRACH and support enhanced discontinuous reception DRX.
  • FIG. 4 is a schematic structural diagram of Embodiment 1 of a user terminal according to the present invention.
  • the user terminal includes: a receiver 401 and a processor 402, where
  • the receiver 401 is configured to receive an indication sent by the base station to fall back to the physical random access channel (PRACH);
  • PRACH physical random access channel
  • the processor 402 is configured to initiate access on the common enhanced channel common E-DCH.
  • the processor 402 is specifically configured to determine that the timer that is currently in the discontinuous reception DRX state or triggers the DRX state is in an operating state; wherein the processor 402 is specifically configured to determine that the current discontinuous reception DRX is in the enhanced mode.
  • the processor 402 is further specifically configured to determine to support fallback to the physical random access channel PRACH and support enhanced discontinuous reception DRX.
  • the receiving module receives the indication information that is rolled back to the PRACH
  • the access module is allowed to initiate the access in the common E-DCH, so that the UE is in the DRX off state when the base station sends the downlink data to the UE.
  • FIG. 5 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention. As shown in FIG. 5, the method is as follows:
  • the first DRX state ie short DRX.
  • the "Fallback to PRACH" configuration mentioned here contains two indications, CCCH Fallback and DCCH fallback. That is, the CCCH Fallback indication is TRUE, which means that the UE can perform the fallback to PRACH procedure when transmitting the CCCH message. Similarly, the DCCH fallback refers to the Fallback to PRACH procedure when the DCCH message is sent.
  • the user terminal supporting Fallback to PRACH and enhanced DRX uses the short DRX mechanism after receiving the Fallback to PRACH.
  • the UE can only use the short DRX, or if the UE is In the long DRX state, after receiving the fallback to PRACH indication, the short DRX parameter is included, and the short DRX parameter includes the short DRX cycle length and the short DRX burst length to calculate the specific time points of DRX on and DRX off.
  • the short DRX mentioned here includes a non-enhanced DRX, that is, a Release 8 DRX or an enhanced DRX medium short DRX, and an enhanced DRX refers to an enhanced DRX introduced in Release 11, which may include a short DRX and a long DRX.
  • the corresponding base station obtains support from the RNC.
  • the UE has support for Fallback to
  • the capability information of the PRACH and the configuration information of the Fallback to PRACH that is, the base station for the UE with this capability can only use the non-enhanced DRX mechanism, or can only use the first DRX state of the enhanced DRX, that is, the short DRX.
  • the time when the base station delays transmitting downlink data to the user terminal when the user terminal is in the DRX off state is reduced.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • the user terminal includes: a determining module 601, a receiving module 602, and an access module 603.
  • the determining module 601 is configured to determine to use the first DRX in the non-enhanced discontinuous receiving DRX or the enhanced DRX.
  • the receiving module 602 is configured to receive an indication sent by the base station to fall back to the PRACH.
  • the access module 603 is configured to initiate an access in the PRACH.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • the user terminal includes: a processor 701 and a receiver 702, where:
  • the processor 701 is configured to determine that the non-enhanced discontinuous reception DRX or the enhanced DRX is used in First DRX;
  • the receiver 702 is configured to receive an indication sent by the base station to fall back to the physical random access channel (PRACH);
  • PRACH physical random access channel
  • the processor 701 is further configured to initiate access in the PRACH.
  • the operation of the above processor and receiver is the same as that of the method embodiment of FIG. 5, and details are not described herein again.
  • the user terminal since the user terminal can only use the DRX mechanism with a short DRX off duration, when the user terminal is in the DRX off state, the time when the base station delays sending the downlink data to the user terminal can be reduced.
  • FIG. 8 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention. As shown in FIG. 8, the method is as follows:
  • the indication is received by the user terminal and the user terminal supports the common E-DCH function and/or supports Fallback to PRACH.
  • entering the continuous receiving state includes two cases:
  • the DRX state may be experienced, and the user terminal stops the DRX timer or jumps out of the DRX state by stopping the UE from entering the DRX. To prevent the base station from being in the DRX off state when the base station sends downlink data to the user terminal.
  • the continuous reception state may be entered; or, when the preamble information is sent to the base station on the PRACH, the continuous reception state is entered; or the above is received on the acquisition indication channel (AICH).
  • the base station returns a positive acknowledgement frame or a negative acknowledgement frame according to the foregoing preamble information, it enters a continuous reception state; or, after transmitting a common control channel (CCCH) message or a dedicated control channel (DCCH) message to the RNC on the PRACH, enters a continuous reception state.
  • CCCH common control channel
  • DCCH dedicated control channel
  • the base station when the user terminal is allowed to jump out of the DRX state, the base station is prevented from transmitting downlink data to the user terminal, and the user terminal is in the DRX off state, thereby preventing the base station from delaying to send downlink data to the user terminal.
  • FIG. 9 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention. As shown in FIG. 9, the method is as follows:
  • the UE sends the CCCH message or the DCCH message on the PRACH.
  • the RNC After receiving the message, that is, after receiving the random access data frame (RACH Data Frame), the RNC considers that the UE is currently in a continuous receiving state or a continuous scheduling state.
  • the continuous scheduling state means that the downlink data can be directly scheduled.
  • the RNC After the RNC considers that the UE is in the continuous receiving state, it sends downlink data to the UE, and at the same time, indicates the base station, that is, tells the base station that the corresponding UE is in the continuous receiving state, so that the base station can immediately send downlink data to the UE.
  • the RNC is in a Frame Protocol (FP) frame or signaling or a response frame of the CCCH message or DCCH message or a first downlink frame after receiving the CCCH message or DCCH message. Carrying the indication information.
  • FP Frame Protocol
  • the corresponding FP frame Or the signaling carries the indication that the UE is in the continuous receiving state
  • the second after receiving the CCCH message or the DCCH message, carrying the indication that the UE is in the continuous receiving state by using the FP frame or the signaling,
  • the FP frame or signaling does not carry downlink data.
  • a specific description of the first implementation method is as follows: After receiving the DCCH message of the UE supporting the common E-DCH or the Fallback to PRACH on the PRACH, the RNC replies to the corresponding radio link control acknowledgement frame to the UE.
  • the FP of the Link Control ACK (RLC ACK) carries the indication that the UE is currently in the continuous receiving state, and the FP frame of the other downlink data that is sent to the terminal does not carry the indication;
  • the RNC replies to the corresponding response message to the UE.
  • the FP frame of the CELL UPDATE CONFIRM carries the indication that the UE is currently in the continuous receiving state, and the FP frame of the other downlink data that is sent to the terminal does not carry the indication.
  • the RNC notifies the base station that the UE is in the continuous receiving state, so that the base station immediately sends downlink data to the UE, which avoids the situation that the base station considers that the UE is in the DRX off state and delays sending downlink data to the user terminal.
  • FIG. 10 is a schematic flowchart of Embodiment 1 of another channel access processing method according to the present invention. As shown in FIG. 10, the method is as follows:
  • the base station After receiving the indication, the base station knows that the UE is in the continuous receiving state, and can directly send the downlink data to the UE, that is, the DRX on state is not considered.
  • the base station learns from the received indication information that the UE is in the continuous receiving state, and immediately schedules downlink data, thereby avoiding the situation that the UE is in the DRX off state and delays transmitting downlink data to the UE.
  • FIG. 11 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • the user terminal includes: a receiving module 1101, an access module 1102, and an updating module 1103.
  • the receiving module 1101 is configured to receive an indication sent by the base station to fall back to the physical random access channel PRACH.
  • the access module 1102 is configured to initiate an access in the PRACH.
  • Update module 1103 for entering a continuous receiving state; or if the triggering enters discontinuous reception
  • the timer of the DRX state is running, and the timer is stopped.
  • the updating module 1103 is configured to stop the timer and enter a continuous receiving state if the timer that triggers the UE to enter the DRX state is turned on; if the current is in the discontinuous receiving DRX state, the DRX state is skipped, and the continuous receiving state is entered. .
  • the update module 1103 can enter continuous when receiving the indication. Or receiving status; or, when transmitting the preamble information to the base station on the PRACH, entering the continuous receiving state; or, when receiving the positive acknowledgement frame or the negative acknowledgement frame fed back by the base station according to the foregoing preamble information on the AICH, entering the continuous receiving state; After the PRACH sends a CCCH message or a DCCH message to the RNC, it enters a continuous reception state.
  • each module is the same as that of the method embodiment of FIG. 8, and details are not described herein again.
  • the user terminal can continuously receive the downlink data sent by the base station by skipping the DRX state, and the base station delays sending the downlink data to the UE when the DRX off state is avoided.
  • FIG. 12 is a schematic structural diagram of Embodiment 1 of a radio network controller according to the present invention. As shown in FIG. 12, the radio network controller includes: a receiving module 1201 and a sending module 1202.
  • the receiving module 1201 is configured to receive a CCCH message or a DCCH message sent by the UE that supports the Fallback to PRACH function on the PRACH.
  • the sending module 1202 is configured to send, to the base station, a frame or signaling that carries the indication that the UE is currently in a continuous receiving state or a continuous scheduling state, so that the base station sends downlink data to the UE.
  • the sending module 1202 carries the indication information in a FP frame or signaling or a response frame of the CCCH message or the DCCH message or a first downlink frame after receiving the CCCH message or the DCCH message.
  • the receiving module of the RNC can notify the base station that the UE is in the continuous receiving state, so that the base station can immediately schedule the downlink data without considering the problem of delayed transmission.
  • the base station provided by the present invention includes: a receiving module,
  • the receiving module is configured to receive a frame or signaling that is sent by the RNC and that is currently in a continuous receiving state indication, where the frame or signaling is used to enable the base station to continuously schedule downlink data.
  • the base station after receiving the indication information of the RNC, the base station immediately sends the downlink data to the UE, without considering the problem of delayed transmission.
  • FIG. 13 is a schematic structural diagram of Embodiment 1 of a channel access processing system according to the present invention. As shown in FIG. 13, the system includes: a base station 1301 and a radio network controller 1302, where: the radio network controller is as shown in FIG. The wireless network controller will not be described here.
  • FIG. 14 is a schematic flowchart of a second embodiment of a channel access processing system according to the present invention, and FIG. As shown in Figure 14, the method is described below:
  • the UE receives an indication sent back by the base station to fall back to the PRACH.
  • the UE sends the preamble information to the base station on the PRACH.
  • the UE receives the acknowledgement frame fed back by the base station on the AICH. After receiving the foregoing preamble information, the base station sends an acknowledgement frame to the UE to notify the UE that the preamble information has been received.
  • the UE sends a CCCH message or a DCCH message to the RNC through the base station in the PRACH.
  • the RNC sends the indication information that the UE is in the continuous receiving state to the base station. After receiving the CCCH message or the DCCH message, the RNC considers that the UE is in the continuous receiving state, and then the base station sends the indication information.
  • the base station sends downlink data to the UE.
  • FIG. 15 is a schematic structural diagram of Embodiment 1 of another user terminal according to the present invention.
  • the user terminal includes: a receiver 1501 and a processor 1502, where
  • the receiver 1501 is configured to receive an indication sent by the base station to fall back to the PRACH.
  • the processor 1502 is configured to initiate an access in the PRACH and enter a continuous receiving state. If the timer that triggers the discontinuous reception of the DRX state is running, the timer is stopped.
  • the processor 1502 is specifically configured to enter a continuous receiving state when receiving the indication; or
  • the continuous reception state is entered;
  • the continuous reception state After transmitting the common control channel CCCH message or the dedicated control channel DCCH message to the RNC on the PRACH, the continuous reception state is entered.
  • FIG. 16 is a schematic structural diagram of Embodiment 1 of another radio network controller according to the present invention. As shown in FIG. 16, the method includes: a receiver 1601 and a transmitter 1602, where
  • the receiver 1601 is configured to receive a common control channel CCCH message or a dedicated control channel DCCH message that is sent by the user equipment UE that supports the Fallback to PRACH function on the PRACH.
  • the transmitter 1602 is configured to send, to the base station, that the UE is currently continuously receiving. Status or continuous scheduling status indicates frame or signaling. In a specific implementation process, the transmitter 1602 is specifically configured to carry the foregoing in a frame protocol FP frame or signaling, a response frame of the CCCH message or a DCCH message, or a first downlink frame after receiving the CCCH message or a DCCH message. Instructions.
  • the receiver and transmitter work here are the same as the method embodiment of FIG. 9, and are not described here.
  • the base station provided by the present invention includes: a receiver, where:
  • the receiver is configured to receive a frame or signaling sent by the radio network controller RNC that carries the indication that the user terminal UE is currently in a continuous receiving state, and the frame or signaling is used to enable the base station to continuously schedule downlink data.
  • the receiver works here is the same as the method embodiment of FIG. 10, and details are not described herein again.
  • the UE avoids experiencing the DRX state, and the RNC indicates that the base station "the UE is in the continuous receiving state", so that the base station immediately sends downlink data to the UE, and the delay transmission is not considered.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection between the various components shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • 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, that is, 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 objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one single unit. Yuanzhong.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • 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 instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例提供一种信道接入处理方法及其装置，该方法包括：接收基站发送的回退到物理随机接入信道PRACH的指示；在公共增强信道common E-DCH发起接入。其中，在所述接收基站发送的回退到物理随机接入信道PRACH的指示时或之前，还包括：确定当前处于非连续接收DRX状态或对进入DRX状态进行定时的定时器处于开启状态；以及确定支持回退到PRACH和具有增强型DRX能力；所述确定当前处于非连续接收DRX状态，包括：确定当前处于增强型非连续接收DRX的第一DRX状态或增强型DRX的第二DRX状态。本发明实施例通过不执行回退到PRACH的指示，避免了基站向UE发送下行数据时用户终端处于DRX off状态，从而避免了基站延时向UE发送下行数据。

Description

信道接入处理方法及其装置
技术领域 本发明实施例涉及无线通信技术， 尤其涉及一种信道接入处理方法及其 装置。 背景技术 在通用移动通信系统 ( Universal Mobile Telecommunication System, 简称 UMTS ) 中， 支持公共增强信道（common Enhanced-dedicated channel, 简称 common E-DCH )的用户终端（ User Equipment , 简称 UE ) , 在发送上行数据 前要先竟争 common E-DCH资源； 竟争到 common E-DCH资源后，如果触发 UE进入非连续接收（Discontinuous Reception, 简称 DRX )状态的定时器运 行， 则停止该定时器， 如果 UE处于 DRX状态， 则跳出 DRX状态进入连续 接收状态。 而支持物理随机接入信道 ( Physical Random Access Channel , 简称 PRACH )接入而不支持 common E-DCH接入的 UE , 如果触发 UE进入 DRX 状态的定时器正在运行， 传输上行数据不打断该定时器运行， 如果 UE处于 DRX状态， 传输上行数据不打断 UE的 DRX状态。 其中， DRX状态包括非 连续接收周期内接收数据的状态， 称为 DRX on状态， 和非连续接收周期内 不接收状态， 称为 DRX off, 当 UE处于 DRX on时， 接收下行数据， 当 UE 处于 DRX off时， 不接收下行数据， 这样可以减少能耗。 为了更进一步减少 能耗， 现有技术引入了增强型 DRX, 所述增强型 DRX是指在非连续接收周 期内有更短的 DRX on或更长的 DRX off, 该增强型 DRX具体实现方式可以 包含两种方式： 一层 DRX和两层 DRX机制 , 一层 DRX是指触发 UE进入 DRX的定时器截止后 UE直接进入 long DRX , 二层 DRX机制是指两个两种 类型的 DRX cycle , 本文称为短 DRX cycle和长 DRX cycle , 触发 UE进入短 DRX cycle的定时器截止后 UE进入短 DRX cycle, 同时启动触发 UE进入长 DRX cycle的定时器， 当触发 UE进入长 DRX cycle的定时器截止后 , UE进 入长 DRX cycle,通常长 DRX cycle有更长的 DRX off, UE处于长 DRX cycle 时更省电。 目前， 为了緩解 common E-DCH 的拥塞， 现有技术中引入了回退到 PRACH ( fallback to PRACH )特性， 即支持 common E-DCH的 UE在收到基 站发送的 "fallback to PRACH"指示后， 回退到 PRACH接入。 但是， 在釆用 PRACH接入的情况下， 如果 UE处于 long DRX状态可能会导致下行数据延 时发送， 甚至会导致 UE进入空闲状态。 发明内容 本发明实施例提供一种信道接入处理方法及其装置， 用于解决向用户终 端 UE发送下行数据中的延迟问题。
本发明实施例第一方面提供一种信道接入处理方法， 包括： 接收基站发 送的回退到物理随机接入信道 PRACH 的指示； 在公共增强信道 common E-DCH发起接入。
在第一种可能的实现方式中， 根据第一方面， 在所述接收基站发送的回 退到物理随机接入信道 PRACH的指示时或之前， 该方法还包括： 确定当前 处于非连续接收 DRX状态或触发 UE进入 DRX状态的定时器处于运行状态。
在第二种可能的实现方式中， 根据第一方面， 在所述接收基站发送的回 退到物理随机接入信道 PRACH的指示时或之前， 该方法还包括：
确定支持回退到物理随机接入信道 PRACH 和具有增强型非连续接收 DRX能力。
在第三种可能的实现方式中， 结合第一方面或第一种可能的实现方式， 所述确定当前处于非连续接收 DRX状态包括：确定当前处于增强型非连续接 收 DRX的第一 DRX状态或增强型 DRX的第二 DRX状态。
本发明实施例第二方面提供一种用户终端， 包括： 接收模块， 用于接收 基站发送的回退到物理随机接入信道 PRACH的指示； 接入模块， 用于在公 共增强信道 common E-DCH发起接入。
在第一种可能的实现方式中， 根据第二方面， 所述用户终端还包括： 确 定模块， 用于确定当前处于非连续接收 DRX状态或触发 UE进入 DRX状态 的定时器处于运行状态。
在第二种可能的实现方式中， 根据第二方面， 所述确定模块， 还用于确 定支持回退到物理随机接入信道 PRACH和支持增强型非连续接收 DRX。 在第三种可能的实现方式中， 结合第二方面或第一种可能的实现方式， 所述确定模块， 具体用于确定当前处于增强型非连续接收 DRX的第一 DRX 状态或增强型 DRX的第二 DRX状态。
本发明实施例第三方面提供一种用户终端， 包括：
接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于在公共增强信道 common E-DCH发起接入。
在第一种可能的实现方式中， 根据第三方面， 所述处理器， 具体用于确 定当前处于非连续接收 DRX状态或触发 DRX状态的定时器处于运行状态。
在第二种可能的实现方式中， 根据第三方面， 所述处理器， 具体用于确 定支持回退到物理随机接入信道 PRACH和支持增强型非连续接收 DRX。
在第三种可能的实现方式中， 结合第三方面或第一种可能的实现方式， 所述处理器， 具体用于确定当前处于增强型非连续接收 DRX的第一 DRX状 态或增强型 DRX的第二 DRX状态。
本发明实施例通过不执行回退到 PRACH的指示， 避免了基站向用户终 端 UE发送下行数据时用户终端处于 DRX off状态， 从而避免了基站延时向 UE发送下行数据。
本发明实施例第四方面提供一种信道接入处理方法， 包括： 接收基站发 送的回退到物理随机接入信道 PRACH的指示；
确定釆用非增强型非连续接收 DRX或增强型 DRX中的第一 DRX;
在 PRACH发起接入。
本发明实施例第五方面提供一种用户终端， 包括： 接收模块， 用于接收 基站发送的回退到物理随机接入信道 PRACH的指示；
确定模块， 用于确定釆用非增强型非连续接收 DRX或增强型 DRX中的 第一 DRX;
接入模块， 用于在 PRACH发起接入。
本发明实施例第六方面提供一种用户终端， 包括： 处理器和接收器， 接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于确定釆用非增强型非连续接收 DRX或增强型 DRX中的第 一 DRX, 在 PRACH发起接入。
本发明实施例中， 通过使用户终端釆用 DRX off 状态持续时间较短的 DRX机制， 相对减少了基站向 UE发送下行数据时， 如果用户终端 DRX off 状态而延时发送的时间。
本发明实施例第七方面提供一种信道接入处理方法， 包括： 接收基站发 送的回退到物理随机接入信道 PRACH的指示；
在所述 PRACH发起接入， 进入连续接收状态； 其中，
如果触发进入非连续接收 DRX状态的定时器正在运行，则停止所述定时 器。
在第一种可能的实现方式中， 根据第七方面， 所述进入连续接收状态包 括： 在接收到所述指示时， 进入连续接收状态； 或者， 在所述物理随机接入 信道 PRACH上向基站发送前导信息时， 进入连续接收状态； 或者， 在捕获 指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确认帧或负确 认帧时， 进入连续接收状态； 或者在所述 PRACH上向 RNC发送公共控制信 道 CCCH消息或者专用控制信道 DCCH消息后， 进入连续接收状态。
本发明实施例第八方面提供一种接入处理方法， 包括：接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH上发送的公共控制信道 CCCH消息 或者专用控制信道 DCCH消息； 向基站发送携带所述 UE当前处于连续接收 状态指示的帧或信令。
在第一种可能的实现方式中， 根据第八方面， 所述向基站发送所述 UE 当前处于连续接收状态或连续调度状态的指示信息包括：在帧协议 FP帧或信 令或所述 CCCH 消息或 DCCH 消息的响应帧或接收到所述 CCCH 消息或 DCCH消息后第一个下行帧中携带所述指示信息。
本发明实施例第九方面提供一种接入处理方法， 包括： 接收无线网络控 制器 RNC发送的携带用户终端 UE当前处于连续接收状态或连续调度状态指 示的帧或信令， 所述帧或信令用于使基站连续调度下行数据。
本发明实施例第十方面提供一种用户终端， 包括： 接收模块， 用于接收 基站发送的回退到物理随机接入信道 PRACH的指示； 接入模块， 用于在所 述 PRACH发起接入； 更新模块， 用于进入连续接收状态； 其中， 如果触发 进入非连续接收 DRX状态的定时器正在运行， 则停止所述定时器。
在第一种可能的实现方式中， 根据第十方面， 所述更新模块， 具体用于 在接收到所述指示时， 进入连续接收状态； 或者， 在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续接收状态； 或者， 在捕获指示信 道 AICH上接收到所述基站根据所述前导信息反馈的正确认帧或负确认帧时， 进入连续接收状态； 或者在所述 PRACH上向 RNC发送公共控制信道 CCCH 消息或者专用控制信道 DCCH消息后， 进入连续接收状态。
本发明实施例第十一方面提供一种无线网络控制器， 包括： 接收模块， 用于接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH上发送的公 共控制信道 CCCH消息或者专用控制信道 DCCH消息； 发送模块， 用于向基 站发送携带所述 UE 当前处于连续接收状态指示的帧或信令， 以使所述基站 向所述 UE发送下行数据。
在第一种可能的实现方式中， 根据第十一方面， 所述发送模块， 具体用 于在帧协议 FP帧或信令或所述 CCCH消息或 DCCH消息的响应帧或接收到 所述 CCCH消息或 DCCH消息后第一个下行帧中携带所述指示信息。
本发明实施例第十二方面提供一种基站， 包括： 接收模块， 用于接收无 线网络控制器 RNC发送的携带用户终端 UE当前处于连续接收状态指示的帧 或信令， 所述帧或信令用于使基站连续调度下行数据。
本发明实施例第十三方面提供一种信道接入处理系统， 包括： 上述无线 网络控制器以及上述基站。
本发明实施例第十四方面提供一种用户终端， 包括：
接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于在所述 PRACH发起接入， 进入连续接收状态； 其中， 如 果触发进入非连续接收 DRX状态的定时器正在运行， 则停止所述定时器。
在第一种可能的实现方式中， 根据第十四方面， 所述处理器， 具体用于 在接收到所述指示时， 进入连续接收状态； 或者，
在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续 接收状态； 或者，
在捕获指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确 认帧或负确认帧时， 进入连续接收状态； 或者
在所述 PRACH上向 RNC发送公共控制信道 CCCH消息或者专用控制信 道 DCCH消息后， 进入连续接收状态。
本发明实施例第十五方面提供一种无线网络控制器， 包括： 接收器，用于接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH 上发送的公共控制信道 CCCH消息或者专用控制信道 DCCH消息；
发送器， 用于向基站发送携带所述 UE 当前处于连续接收状态或连续调 度状态指示帧或信令。
在第一种可能的实现方式中， 根据第十五方面， 所述发送器， 具体用于 在帧协议 FP帧或信令或所述 CCCH消息或 DCCH消息的响应帧或接收到所 述 CCCH消息或 DCCH消息后第一个下行帧中携带所述指示信息。
本发明实施例第十六方面提供一种基站， 包括：
接收器， 用于接收无线网络控制器 RNC发送的携带用户终端 UE当前处 于连续接收状态指示的帧或信令， 所述帧或信令用于使基站连续调度下行数 据。
本发明实施例中 , 通过 UE跳出 DRX状态， 且 RNC向基站通知 UE处 于连续接收状态， 实现了基站可以即时向 UE发送下行数据，避免了 UE处于 DRX off状态时， 基站延时发送下行数据的情况。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实 施例或现有技术描述中所需要使用的附图作一简单地介绍， 显而易见地， 下 面描述中的附图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为本发明提供的信道接入处理方法实施例一的流程示意图； 图 2为本发明提供的用户终端实施例一的结构示意图；
图 3为本发明提供的用户终端实施例二的结构示意图；
图 4为本发明提供的用户终端实施例一的结构示意图；
图 5为本发明提供的另一信道接入处理方法实施例一的流程示意图； 图 6为本发明提供的另一用户终端实施例一的结构示意图；
图 7为本发明提供的另一用户终端实施例一的结构示意图；
图 8为本发明提供的另一信道接入处理方法实施例一的流程示意图； 图 9为本发明提供的另一信道接入处理方法实施例一的流程示意图； 图 10为本发明提供的另一信道接入处理方法实施例一的流程示意图； 图 11为本发明提供的另一用户终端实施例一的结构示意图； 图 12为本发明提供的无线网络控制器实施例一的结构示意图；
图 13为本发明提供的信道接入处理系统实施例一的结构示意图； 图 14为本发明提供的信道接入处理系统实施例二的流程示意图； 图 15为本发明提供的另一用户终端实施例一的结构示意图；
图 16为本发明另一无线网络控制器实施例一的结构示意图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚， 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。
本文中描述的技术可用于各种通信系统， 例如当前 2G, 3G通信系统和 下一代通信系统， 例如全球移动通信系统（GSM, Global System for Mobile communications ), 码分多址 ( CDMA, Code Division Multiple Access ) 系统, 时分多址 （TDMA , Time Division Multiple Access ) 系统， 宽带码分多址 ( WCDMA, Wideband Code Division Multiple Access Wireless ), 频分多址 ( FDMA , Frequency Division Multiple Addressing ) 系统, 正交频分多址 ( OFDMA, Orthogonal Frequency-Division Multiple Access ) 系统, 单载波 FDMA ( SC-FDMA ) 系统， 通用分组无线业务（ GPRS , General Packet Radio Service ) 系统， 长期演进（LTE, Long Term Evolution ) 系统， 以及其他此类 通信系统。
本文中结合用户设备和 /或基站和 /或基站控制器来描述各种方面。
用户设备， 可以是无线终端也可以是有线终端， 无线终端可以是指向用 户提供语音和 /或数据连通性的设备， 具有无线连接功能的手持式设备、 或连 接到无线调制解调器的其他处理设备。 无线终端可以经无线接入网 （例如， RAN, Radio Access Network )与一个或多个核心网进行通信， 无线终端可以 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。 例如， 个人通信业务（PCS , Personal Communication Service ) 电话、 无绳电话、 会话发起协议 ( SIP )话机、 无线 本地环路（ WLL, Wireless Local Loop )站、个人数字助理（ PDA, Personal Digital Assistant )等设备。 无线终端也可以称为系统、 订户单元（ Subscriber Unit )、 订户站（ Subscriber Station ), 移动站（ Mobile Station )、 移动台 （ Mobile )、 远 程站（ Remote Station )、接入点（ Access Point )、远程终端（ Remote Terminal )、 接入终端 （Access Terminal ), 用户终端 （User Terminal ), 用户代理（User Agent ), 用户设备（User Device )、 或用户装备（ User Equipment )。
基站 （例如， 接入点）可以是指接入网中在空中接口上通过一个或多个 扇区与无线终端通信的设备。基站可用于将收到的空中帧与 IP分组进行相互 转换， 作为无线终端与接入网的其余部分之间的路由器， 其中接入网的其余 部分可包括网际协议（IP ) 网络。 基站还可协调对空中接口的属性管理。 例 如， 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（ NodeB 或 eNB或 e-NodeB , evolutional Node B ) , 本申请并不限定。
基站控制器， 可以是 GSM或 CDMA中的基站控制器（ BSC, base station controller ), 也可以是 WCDMA中的无线网络控制器（ RNC, Radio Network Controller ), 本申请并不限定。
另外， 本文中术语"系统，，和"网络"在本文中常被可互换使用。 本文中术 语"和 /或"， 仅仅是一种描述关联对象的关联关系， 表示可以存在三种关系， 例如， A和 /或 B, 可以表示： 单独存在 A , 同时存在 A和 B, 单独存在 B it 三种情况。 另外， 本文中字符 " , —般表示前后关联对象是一种 "或" 的 关系。
图 1 为本发明提供的信道接入处理方法实施例一的流程示意图， 如图 1 所示， 该方法 ¾口下所述：
101、接收基站发送的回退到 PRACH的指示，该指示可表示为 fallback to PRACH。
其中， 回退到 PRACH的指示可以是在捕获指示信道 ( AICH )上收到负 确认帧或收到特殊的 common E-DCH资源指示， 需要说明的是， 负确认帧用 于指示没有竟争到 common E-DCH资源， 特殊的 common E-DCH资源指示， 具体指根据该 comm0n E-DCH资源的资源编号就可判定 UE回退到 PRACH; 另外， 上述回退到 PRACH指示由用户终端接收， 该用户终端当前可以是正 在 common E-DCH发起接入， 但并不以此为限。
102、 在 common E-DCH发起接入。
当上述用户终端在收到 "fallback to PRACH" 的指示后， 忽略该指示， 即用户终端当作没有接收到该指示处理或当作执行退避的负确认帧， 即只要 介质访问控制 (Medium Access Control, 简称 MAC)层随机接入循环周期没有 达到最大值或在 AICH上检测到正确认帧 , 则继续在 common E-DCH发起接 入。
接入 common E-DCH后， 即在 AICH上收到正确认帧， 如果用户终端处 于 DRX状态， 则会跳出 DRX状态进入连续接收状态； 如果触发用户终端进 入 DRX状态的定时器处于正在运行，则会停止该定时器，进入连续接收状态。 需要说明的是， 若用户终端进入 DRX状态， 则必定经历 DRX off状态， 即在 这一段时间不接收下行数据， 会导致基站延时发送下行数据。
需要说明的是， 进一步的， UE在跳出 DRX后， 如果收到下行数据则启 动触发 UE进入 DRX状态的定时器， 定时器截止后 UE再进入 DRX状态。 具体包含如果一层 DRX被配置 (即只有长 DRX被配置）， 则收到下行数据 后重启触发长 DRX状态的定时器， 该定时器截止后 UE进入长 DRX状态； 如果二层 DRX被配置 (即短 DRX和长 DRX都被配置）， 则收到下行数据后 重启触发短 DRX状态的定时器， 该定时器截止后 UE进入短 DRX, 同时启 动上述触发长 DRX状态的定时器， 在这个定时器截止后， UE进入长 DRX。
本实施例通过不执行回退到 PRACH 的指示， 使 UE 继续在 common E-DCH发起接入， 竟争到 common E-DCH资源后 UE跳出 DRX状态进入连 续接收状态， 避免了基站向 UE发送下行数据时， UE处于 DRX off状态， 而 使得基站延时向 UE发送下行数据这种情况。
在具体实施过程中， 上述接收到基站发送的回退到物理随机接入信道 PRACH的指示时或之前 , 确定 UE支持回退到物理随机接入信道 PRACH和 支持增强型非连续接收 DRX; UE在此基础上实现本实施例中的功能。
更具体的， 上述 101还可选的包含， 上述接收到基站发送的回退到物理 随机接入信道 PRACH的指示时或之前， 需要确定当前处于非连续接收 DRX 状态或触发 DRX状态的定时器处于运行状态。如果当前用户终端处于非连续 接收状态， 或者当前触发用户终端进入 DRX的定时器正在运行， 则忽略回退 到 PRACH的指示， 即用户终端当作没有接收到该指示处理或当作执行退避 的负确认帧， 即只要 MAC 层随机接入循环周期没有达到最大值或没有在 AICH上收到正确认帧 , 则继续在 common E-DCH发起接入 , 否则用户终端 可以执行回退到 PRACH的指示， 此时基站不会或减少延时向用户终端发送 下行数据。
另外， 上述确定当前处于 DRX状态， 包括： 确定当前处于增强型 DRX 的第一 DRX状态， 即短 DRX状态， 或增强型 DRX的第二 DRX状态， 即长 DRX状态；其中通常第一 DRX状态的 DRX off状态持续时间远小于第二 DRX 状态的 DRX off状态持续时间，或第一 DRX状态的 DRX on状态持续时间大 于第二 DRX的 DRX on状态持续时间； 当然， 此时用户终端还可以处于非增 强型 DRX状态， 非增强 DRX状态中的 DRX off状态持续时间更短。
本实施例中， 可以是当用户终端处于第二 DRX时， 忽略所述 Fallback to PRACH指示，即用户终端当作没有接收到该指示处理或当作执行退避的负确 认帧， 即只要 MAC层随机接入循环周期没有达到最大值或没有在 AICH上 监听到正确认帧 , 则继续在 common E-DCH发起接入 , 否则用户终端可以执 行回退到 PRACH的操作， 即用户终端处于连续接收状态或第一 DRX状态时 都执行回退到 PRACH的操作； 或者当用户终端处于第二 DRX或第一 DRX 时都会忽略所述 Fallback to PRACH指示，即用户终端当作没有接收到该指示 处理或当作执行退避的负确认帧， 即只要 MAC层随机接入循环周期没有达 到最大值 , 则继续在 common E-DCH发起接入 , 否则用户终端可以执行回退 到 PRACH的指示。
本实施例通过不执行回退到 PRACH的指示信息，接入 common E-DCH, 使得可以跳出 DRX状态进入连续接收状态，避免了基站向 UE发送下行数据 时， UE处于 DRX off状态， 而使得基站延时向 UE发送下行数据这种情况。
图 2为本发明提供的用户终端实施例一的结构示意图， 如图 2所示， 该 用户终端包括： 接收模块 201和接入模块 202。
接收模块 201 ,用于接收基站发送的回退到物理随机接入信道 PRACH的 指示。 接入模块 202 , 用于在公共增强信道 common E-DCH发起接入。
图 3为本发明提供的用户终端实施例二的结构示意图，在图 2的基础上， 该用户终端还包括确定模块 203 , 该确定模块 203用于确定当前处于非连续 接收 DRX状态或触发 DRX状态定时器处于开启状态， 其中具体用于确定当 前处于增强型 DRX的第一 DRX状态或增强型 DRX的第二 DRX状态。
该确定模块 203 , 还用于确定该用户终端支持回退到物理随机接入信道 PRACH和支持增强型非连续接收 DRX。
上述图 2、 图 3各模块具体工作与前述方法实施例相同， 在此不再赘述。 图 4为本发明提供的用户终端实施例一的结构示意图， 如图 4所示， 该 用户终端包括： 接收器 401和处理器 402, 其中，
接收器 401，用于接收基站发送的回退到物理随机接入信道 PRACH的指 示；
处理器 402, 用于在公共增强信道 common E-DCH发起接入。
具体实现过程中， 处理器 402, 具体用于确定当前处于非连续接收 DRX 状态或触发 DRX状态的定时器处于运行状态； 其中该处理器 402, 具体用于 确定当前处于增强型非连续接收 DRX的第一 DRX状态或增强型 DRX的第 二 DRX状态。
处理器 402,还具体用于确定支持回退到物理随机接入信道 PRACH和支 持增强型非连续接收 DRX。
此处接收器和处理器的具体工作对应于前述方法实施例，在此不再赘述。 本实施例中， 虽然接收模块接收到回退到 PRACH的指示信息， 但是仍 然让接入模块在 common E-DCH发起接入， 可以避免基站向 UE发送下行数 据时， UE处于 DRX off状态，而使得基站延时向 UE发送下行数据这种情况。
图 5为本发明提供的另一信道接入处理方法实施例一的流程示意图， 如 图 5所示， 该方法如下所述：
501、确定釆用非增强型非连续接收 DRX或增强型 DRX中的第一 DRX。 支持回退到 PRACH ( Fallback to PRACH )和增强型 DRX的 UE, 如果 接收到 RNC发送的 "Fallback to PRACH" 配置， 则只能釆用非增强的 DRX 机制， 或只能釆用增强型 DRX的第一 DRX状态， 即短 DRX。 这里所说的 "Fallback to PRACH" 配置包含 CCCH Fallback和 DCCH fallback两个指示， 即 CCCH Fallback指示为 TRUE, 则表示 UE发送 CCCH消息时可以执行 fallback to PRACH过程， 同样， DCCH fallback是指发送 DCCH消息时可以 执行 Fallback to PRACH过程。
502、 接收基站发送的回退到 PRACH的指示。
503、 在 PRACH发起接入； 即执行 502中接收到的回退到 PRACH的指 示。
需要说明的是， 支持 Fallback to PRACH和增强型 DRX的用户终端收到 Fallback to PRACH后釆用短 DRX机制， 例如， 即使网络配置了增强 DRX , UE也只能釆用短 DRX,或者如果 UE正处于长 DRX状态时，收到 fallback to PRACH的指示后回退到短 DRX机制 , 其中， 短 DRX参数包含短 DRX cycle 长度、 短 DRX burst长度来计算处于 DRX on和 DRX off的具体时间点。 这 里所说的短 DRX包含非增强的 DRX, 即 Release8 DRX或增强 DRX中短 DRX, 增强型 DRX指 Release 11引入的增强型 DRX, 所述增强型 DRX可能 包含短 DRX和长 DRX。
需要说明的是， 相对应的基站从 RNC获得该 UE具有支持 Fallback to
PRACH的能力信息和 Fallback to PRACH的配置信息， 即基站对这种能力的 UE, 则只能釆用非增强的 DRX机制， 或只能釆用增强型 DRX的第一 DRX 状态， 即短 DRX。
本实施例通过只釆用 DRX off状态持续时间较短的 DRX机制，减少了当 用户终端处于 DRX off状态时， 基站延迟向用户终端发送下行数据的时间。
图 6为本发明提供的另一用户终端实施例一的结构示意图，如图 6所示， 该用户终端包括： 确定模块 601、 接收模块 602和接入模块 603。
确定模块 601 , 用于确定釆用非增强型非连续接收 DRX或增强型 DRX 中的第一 DRX。
接收模块 602, 用于接收基站发送的回退到 PRACH的指示。
接入模块 603 , 用于在 PRACH发起接入。
上述各模块工作与图 5方法实施例相同， 在此不再赘述。
图 7为本发明提供的另一用户终端实施例一的结构示意图，如图 7所示， 该用户终端包括： 处理器 701和接收器 702, 其中：
处理器 701 , 用于确定釆用非增强型非连续接收 DRX或增强型 DRX中 的第一 DRX;
接收器 702,用于接收基站发送的回退到物理随机接入信道 PRACH的指 示；
上述处理器 701 , 还用于用于在 PRACH发起接入。
上述处理器和接收器的工作与图 5方法实施例相同， 在此不再赘述。 本实施例中由于用户终端只能釆用 DRX off持续时间较短的 DRX机制， 因而当用户终端处于 DRX off状态时， 可以减少基站延迟向用户终端发送下 行数据的时间。
图 8为本发明提供的另一信道接入处理方法实施例一的流程示意图， 如 图 8所示， 该方法如下所述：
801、 接收基站发送的回退到 PRACH的指示。
该指示由用户终端接收，且该用户终端支持 common E-DCH功能和 /或支 持 Fallback to PRACH。
802、 在 PRACH发起接入， 进入连续接收状态； 其中， 如果触发进入 DRX状态的定时器正在运行， 则停止该定时器；
更具体的是指， 进入连续接收状态包含两种情况：
1、 如果用于触发 UE进入 DRX状态的定时器正在运行， 则停止该定时 器， 进入连续接收状态；
2、 如果当前处于非连续接收 DRX状态， 则跳出该 DRX状态， 进入连 续接收状态。
需要说明的是， 虽然用户终端执行了接收到的上述指示信息， 在 PRACH 发起接入， 这样就有可能会经历 DRX状态， 于是该用户终端通过停止触发 UE进入 DRX的定时器或跳出 DRX状态， 来避免基站向用户终端发送下行 数据时用户终端处于 DRX off状态。
另夕卜，可以在接收到上述 Fallback to PRACH指示时，进入连续接收状态； 或者， 在 PRACH上向基站发送前导信息时， 进入连续接收状态； 或者， 在 捕获指示信道（AICH )上接收到上述基站根据上述前导信息反馈的正确认帧 或负确认帧时， 进入连续接收状态； 或者， 在 PRACH上向 RNC发送公共控 制信道（CCCH )消息或者专用控制信道（DCCH )消息后， 进入连续接收状 态。 本实施例通过使用户终端跳出 DRX状态，避免了基站向用户终端发送下 行数据时， 用户终端处于 DRX off状态， 也就避免了基站延时向用户终端发 送下行数据。
图 9为本发明提供的另一信道接入处理方法实施例一的流程示意图， 如 图 9所示， 该方法如下所述：
901、接收支持 Fallback to PRACH功能的 UE在 PRACH上发送的 CCCH 消息或者 DCCH消息。
该 UE在 PRACH上发送上述 CCCH消息或者 DCCH消息； 当 RNC接 收到该消息后， 也就是收到随机接入数据帧 （RACH Data Frame )后， 认为 UE目前处于连续接收状态或连续调度状态， 具体的， 连续调度状态指可以直 接调度下行数据。
902、 向基站发送携带上述 UE当前处于连续接收状态或连续调度状态指 示的帧或信令， 以使该基站向上述 UE发送下行数据， 即不需要计算 UE处于 DRX on的时机。
RNC认为 UE处于连续接收状态后， 向该 UE发送下行数据， 同时要指 示基站， 即告诉基站对应 UE处于连续接收状态， 这样基站就可以立即向 UE 发送下行数据。
需要说明的是， 这里 RNC在帧协议（ Frame Protocol, 简称 FP ) 帧或信 令或所述 CCCH 消息或 DCCH 消息的响应帧或接收到所述 CCCH 消息或 DCCH消息后的第一个下行帧中携带所述指示信息。
另外， 具体可以有两种实现方法： 第一种： 当收到所述 CCCH 消息或 DCCH消息后， 当向 UE发送相应的响应消息或向 UE发送的第一条消息时， 在相应的 FP帧或信令中携带所述指示 UE处于连续接收状态的指示； 第二： 当收到所述 CCCH消息或 DCCH消息后， 通过 FP帧或信令中携带所述指示 UE处于连续接收状态的指示， 该 FP帧或信令中不携带下行数据。
对上述的第一种实现方法的具体说明举例如下： RNC在 PRACH上收到 支持 common E-DCH或 Fallback to PRACH的 UE的 DCCH消息后，在向 UE 回复相应的无线链路控制确认帧 （ Radio Link Control ACK, 简称 RLC ACK ) 的 FP中携带上述 UE当前处于连续接收状态的指示，后续向终端发送的其他 下行数据的 FP帧中就不携带所述指示； 或者， RNC在 PRACH上收到支持 common E-DCH或 Fallback to PRACH 的 UE的 CCCH消息 （比如小区更新消息 CELL UPDATE, CELL UPDATE 是在 CCCH信道上承载的）后， 在向 UE 回复相应的响应消息比如 CELL UPDATE CONFIRM的 FP帧中携带上述 UE当前处于连续接收状态的指示， 后续向终端发送的其他下行数据的 FP帧中就不携带所述指示。
本实施例中通过 RNC向基站通知 UE处于连续接收状态，使得基站立即 向 UE发送下行数据，避免了基站认为 UE处于 DRX off状态而延时向用户终 端发送下行数据的情况。
图 10为本发明提供的另一信道接入处理方法实施例一的流程示意图，如 图 10所示， 该方法如下所述：
1001、接收 RNC发送的携带 UE当前处于连续接收状态或连续调度状态 指示的帧或信令， 以使基站连续调度下行数据。
基站在接收到这个指示后知道 UE处于连续接收状态，就可以直接向 UE 发送下行数据， 即不用考虑处于 DRX on的状态。
1002、 向上述 UE发送下行数据； 具体指， 如果有要发送的下行数据， 则立即调度。
本实施例中， 基站从接收到的指示信息得知 UE处于连续接收状态， 就 立即调度下行数据，避免了认为 UE处于 DRX off状态而延时向 UE发送下行 数据的情况。
图 11为本发明提供的另一用户终端实施例一的结构示意图， 如图 11所 示， 该用户终端包括： 接收模块 1101、 接入模块 1102以及更新模块 1103。
接收模块 1101 , 用于接收基站发送的回退到物理随机接入信道 PRACH 的指示。
接入模块 1102, 用于在所述 PRACH发起接入。
更新模块 1103 , 用于进入连续接收状态； 或者如果触发进入非连续接收
DRX状态的定时器正在运行， 则停止所述定时器。
具体的，该更新模块 1103 ,用于若触发 UE进入 DRX状态的定时器开启， 则停止该定时器， 进入连续接收状态； 若当前处于非连续接收 DRX状态， 则 跳出 DRX状态 , 进入连续接收状态。
需要说明的是， 该更新模块 1103 , 可以在接收到所述指示时， 进入连续 接收状态； 或者， 在 PRACH上向基站发送前导信息时， 进入连续接收状态； 或者， 在 AICH上接收到基站根据上述前导信息反馈的正确认帧或负确认帧 时，进入连续接收状态；或者在 PRACH上向 RNC发送 CCCH消息或者 DCCH 消息后， 进入连续接收状态。
上述各模块工作与图 8方法实施例相同， 在此不再赘述。
本实施例中， 用户终端通过跳出 DRX状态， 可以连续接收基站发送的下 行数据， 避免了处于 DRX off状态时， 基站要延时向 UE发送下行数据。
图 12为本发明提供的无线网络控制器实施例一的结构示意图， 如图 12 所示， 该无线网络控制器包括： 接收模块 1201和发送模块 1202。
接收模块 1201 , 用于接收支持 Fallback to PRACH功能的 UE在 PRACH 上发送的 CCCH消息或者 DCCH消息。
发送模块 1202, 用于向基站发送携带上述 UE当前处于连续接收状态或 连续调度状态指示的帧或信令， 以使该基站向上述 UE发送下行数据。
具体的，发送模块 1202在 FP帧或信令或所述 CCCH消息或 DCCH消息 的响应帧或接收到所述 CCCH消息或 DCCH消息后第一个下行帧中携带所述 指示信息。
上述各模块工作与图 9方法实施例相同， 在此不再赘述。
本实施例中， RNC的接收模块在接收到 UE发来的消息后， 就可以通知 基站 UE处于连续接收状态， 于是基站就可以立即调度下行数据， 不用考虑 延时发送的问题。
本发明提供的基站包括： 接收模块，
该接收模块， 用于接收 RNC发送的携带 UE当前处于连续接收状态指示 的帧或信令， 该帧或信令用于使基站连续调度下行数据。
上述各模块工作与图 10方法实施例相同， 在此不再赘述。
本实施例中， 基站接收到 RNC的指示信息后， 就会立即向 UE发送下行 数据， 而不用考虑延时发送的问题。
图 13 为本发明提供的信道接入处理系统实施例一的结构示意图， 如图 13所示， 该系统包括： 基站 1301以及无线网络控制器 1302, 其中： 该无线 网络控制器为图 12所示无线网络控制器， 在此不再赘述。
图 14 为本发明提供的信道接入处理系统实施例二的流程示意图、 如图 14所示， 该方法 ¾口下所述：
10、 UE接收到基站发来的回退到 PRACH的指示。
20、 UE在 PRACH上向基站发送前导信息。
30、 UE在 AICH上接收基站反馈的确认帧； 当基站接收到上述前导信息 后， 会向 UE发送确认帧， 以告知 UE已经收到前导信息。
40、 UE在 PRACH通过基站向 RNC发送 CCCH消息或 DCCH消息。
50、 RNC向基站发送 "UE处于连续接收状态" 的指示信息； RNC接收 到上述 CCCH消息或 DCCH消息后， 就认为 UE处于连续接收状态， 于是就 想基站发送指示信息。
60、 基站向 UE发送下行数据。
图 15为本发明提供的另一用户终端实施例一的结构示意图， 如图 15所 示， 该用户终端包括： 接收器 1501和处理器 1502, 其中，
接收器 1501 , 用于接收基站发送的回退到 PRACH的指示；
处理器 1502, 用于在所述 PRACH发起接入， 进入连续接收状态； 其中 如果触发进入非连续接收 DRX状态的定时器正在运行， 则停止该定时器。
具体实现过程中， 处理器 1502, 具体用于在接收到所述指示时， 进入连 续接收状态； 或者，
在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续 接收状态； 或者，
在捕获指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确 认帧或负确认帧时， 进入连续接收状态； 或者
在所述 PRACH上向 RNC发送公共控制信道 CCCH消息或者专用控制信 道 DCCH消息后， 进入连续接收状态。
此处接收器和处理器的工作与图 8方法实施例相同， 在此不再赘述。 图 16为本发明另一无线网络控制器实施例一的结构示意图， 如图 16所 示， 包括： 接收器 1601和发送器 1602, 其中
接收器 1601 , 用于接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH上发送的公共控制信道 CCCH消息或者专用控制信道 DCCH消息； 发送器 1602, 用于向基站发送携带所述 UE当前处于连续接收状态或连 续调度状态指示帧或信令。 具体实现过程中， 发送器 1602 具体用于在帧协议 FP 帧或信令或所述 CCCH消息或 DCCH消息的响应帧或接收到所述 CCCH消息或 DCCH消息 后第一个下行帧中携带所述指示信息。
此处接收器和发送器工作与图 9方法实施例相同， 在此不再赘述。
另外， 本发明提供的基站包括： 接收器， 其中：
该接收器， 用于接收无线网络控制器 RNC发送的携带用户终端 UE当前 处于连续接收状态指示的帧或信令， 该帧或信令用于使基站连续调度下行数 据。
此处接收器工作与图 10方法实施例相同， 在此不再赘述。
本实施例中， UE避免了经历 DRX状态， 且 RNC指示基站 "UE处于连 续接收状态" ， 使得基站立即向 UE发送下行数据， 不再考虑延时发送这种 情况。
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， 仅以上 述各功能模块的划分进行举例说明， 实际应用中， 可以根据需要而将上述功 能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块， 以完成以上描述的全部或者部分功能。 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， 所述模块或单元的划分， 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，在本申请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釆用硬件的形式实现， 也可以釆用软件功能单 元的形式实现。
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 申请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）或处理器（processor )执行本申请各个实施例所 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， 以上实施例仅用以说明本申请的技术方案， 而非对其限制； 尽管参照前述实施例对本申请进行了详细的说明， 本领域的普通技术人员应 当理解： 其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其 中部分技术特征进行等同替换； 而这些修改或者替换， 并不使相应技术方案 的本质脱离本申请各实施例技术方案的精神和范围。

Claims

权 利 要求
1、 一种信道接入处理方法， 其特征在于， 包括：
接收基站发送的回退到物理随机接入信道 PRACH的指示；
在公共增强信道 common E-DCH发起接入。
2、 根据权利要求 1所述的方法， 其特征在于， 在所述接收基站发送的回 退到物理随机接入信道 PRACH的指示时或之前 , 还包括：
确定当前处于非连续接收 DRX状态或触发 DRX状态的定时器处于运行 状态。
3、 根据权利要求 1所述的方法， 其特征在于， 在所述接收基站发送的回 退到物理随机接入信道 PRACH的指示时或之前， 还包括：
确定支持回退到物理随机接入信道 PRACH 和支持增强型非连续接收 DRX。
4、 根据权利要求 2所述的方法， 其特征在于， 所述确定当前处于非连续 接收 DRX状态， 包括：
确定当前处于增强型非连续接收 DRX的第一 DRX状态或增强型 DRX 的第二 DRX状态。
5、 一种用户终端， 其特征在于， 包括：
接收模块， 用于接收基站发送的回退到物理随机接入信道 PRACH的指 示；
接入模块， 用于在公共增强信道 common E-DCH发起接入。
6、 根据权利要求 5所述的用户终端， 其特征在于， 还包括：
确定模块， 用于确定当前处于非连续接收 DRX状态或触发 DRX状态的 定时器处于运行状态。
7、 根据权利要求 5所述的用户终端， 其特征在于， 所述确定模块， 还用 于确定支持回退到物理随机接入信道 PRACH 和支持增强型非连续接收
DRX。
8、 根据权利要求 6所述的用户终端， 其特征在于， 所述确定模块， 具体 用于确定当前处于增强型非连续接收 DRX的第一 DRX状态或增强型 DRX 的第二 DRX状态。
9、 一种用户终端， 其特征在于， 包括： 接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于在公共增强信道 common E-DCH发起接入。
10、 根据权利要求 9所述的用户终端， 其特征在于， 所述处理器， 具体 用于确定当前处于非连续接收 DRX状态或触发 DRX状态的定时器处于运行 状态。
11、 根据权利要求 9所述的用户终端， 其特征在于， 所述处理器， 具体 用于确定支持回退到物理随机接入信道 PRACH 和支持增强型非连续接收 DRX。
12、 根据权利要求 9所述的用户终端， 其特征在于， 所述处理器， 具体 用于确定当前处于增强型非连续接收 DRX的第一 DRX状态或增强型 DRX 的第二 DRX状态。
13、 一种信道接入处理方法， 其特征在于， 包括：
接收基站发送的回退到物理随机接入信道 PRACH的指示；
确定釆用非增强型非连续接收 DRX或增强型 DRX中的第一 DRX;
在 PRACH发起接入。
14、 一种用户终端， 其特征在于， 包括：
接收模块， 用于接收基站发送的回退到物理随机接入信道 PRACH的指 示；
确定模块， 用于确定釆用非增强型非连续接收 DRX或增强型 DRX中的 第一 DRX;
接入模块， 用于在 PRACH发起接入。
15、 一种用户终端， 其特征在于， 包括： 处理器和接收器，
接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于确定釆用非增强型非连续接收 DRX或增强型 DRX中的第 一 DRX, 在 PRACH发起接入。
16、 一种信道接入处理方法， 其特征在于， 包括：
接收基站发送的回退到物理随机接入信道 PRACH的指示；
在所述 PRACH发起接入， 进入连续接收状态； 其中
如果触发进入非连续接收 DRX状态的定时器正在运行，则停止所述定时 器。
17、根据权利要求 16所述的方法，其特征在于，所述进入连续接收状态， 包括：
在接收到所述指示时， 进入连续接收状态； 或者，
在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续 接收状态； 或者，
在捕获指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确 认帧或负确认帧时， 进入连续接收状态； 或者
在所述 PRACH上向 RNC发送公共控制信道 CCCH消息或者专用控制信 道 DCCH消息后， 进入连续接收状态。
18、 一种信道接入处理方法， 其特征在于， 包括：
接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH上发送的公 共控制信道 CCCH消息或者专用控制信道 DCCH消息；
向基站发送携带所述 UE 当前处于连续接收状态或连续调度状态指示的 帧或信令。
19、 根据权利要求 18 所述的方法， 其特征在于， 所述向基站发送所述
UE当前处于连续接收状态的指示信息， 包括：
在帧协议 FP帧或信令或所述 CCCH消息或 DCCH消息的响应帧或接收 到所述 CCCH消息或 DCCH消息后第一个下行帧中携带所述指示信息。
20、 一种信道接入处理方法， 其特征在于， 包括：
接收无线网络控制器 RNC发送的携带用户终端 UE当前处于连续接收状 态或连续调度状态指示的帧或信令， 所述帧或信令用于使基站连续调度下行 数据。
21、 一种用户终端， 其特征在于， 包括：
接收模块， 用于接收基站发送的回退到物理随机接入信道 PRACH的指 示；
接入模块， 用于在所述 PRACH发起接入；
更新模块，用于进入连续接收状态；其中，如果触发进入非连续接收 DRX 状态的定时器正在运行， 则停止所述定时器。
22、 根据权利要求 21所述的用户终端， 其特征在于， 所述更新模块， 具 体用于在接收到所述指示时， 进入连续接收状态； 或者， 在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续 接收状态； 或者，
在捕获指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确 认帧或负确认帧时， 进入连续接收状态； 或者
在所述 PRACH上向 RNC发送公共控制信道 CCCH消息或者专用控制信 道 DCCH消息后， 进入连续接收状态。
23、 一种无线网络控制器， 其特征在于， 包括：
接收模块， 用于接收支持 Fallback to PRACH 功能的用户终端 UE 在 PRACH上发送的公共控制信道 CCCH消息或者专用控制信道 DCCH消息； 发送模块， 用于向基站发送携带所述 UE 当前处于连续接收状态或连续 调度状态指示帧或信令。
24、 根据权利要求 23所述的无线网络控制器， 其特征在于， 所述发送模 块， 具体用于在帧协议 FP帧或信令或所述 CCCH消息或 DCCH消息的响应 帧或接收到所述 CCCH消息或 DCCH消息后第一个下行帧中携带所述指示信 息。
25、 一种基站， 其特征在于， 包括：
接收模块， 用于接收无线网络控制器 RNC发送的携带用户终端 UE当前 处于连续接收状态指示的帧或信令， 所述帧或信令用于使基站连续调度下行 数据。
26、 一种信道接入处理系统， 其特征在于， 包括：
权利要求 23〜24中任一项所述的无线网络控制器； 以及
权利要求 25所述的基站。
27、 一种用户终端， 其特征在于， 包括：
接收器， 用于接收基站发送的回退到物理随机接入信道 PRACH的指示； 处理器， 用于在所述 PRACH发起接入， 进入连续接收状态； 其中， 如 果触发进入非连续接收 DRX状态的定时器正在运行， 则停止所述定时器。
28、 根据权利要求 27所述的用户终端， 其特征在于， 所述处理器， 具体 用于在接收到所述指示时， 进入连续接收状态； 或者，
在所述物理随机接入信道 PRACH上向基站发送前导信息时， 进入连续 接收状态； 或者， 在捕获指示信道 AICH上接收到所述基站根据所述前导信息反馈的正确 认帧或负确认帧时， 进入连续接收状态； 或者
在所述 PRACH上向 RNC发送公共控制信道 CCCH消息或者专用控制信 道 DCCH消息后， 进入连续接收状态。
29、 一种无线网络控制器， 其特征在于， 包括：
接收器，用于接收支持 Fallback to PRACH功能的用户终端 UE在 PRACH 上发送的公共控制信道 CCCH消息或者专用控制信道 DCCH消息；
发送器， 用于向基站发送携带所述 UE 当前处于连续接收状态或连续调 度状态指示帧或信令。
30、根据权利要求 29所述的无线网络控制器，其特征在于，所述发送器， 具体用于在帧协议 FP帧或信令或所述 CCCH消息或 DCCH消息的响应帧或 接收到所述 CCCH消息或 DCCH消息后第一个下行帧中携带所述指示信息。
31、 一种基站， 其特征在于， 包括：
接收器， 用于接收无线网络控制器 RNC发送的携带用户终端 UE当前处 于连续接收状态指示的帧或信令， 所述帧或信令用于使基站连续调度下行数 据。
PCT/CN2012/081577 2012-09-19 2012-09-19 信道接入处理方法及其装置 WO2014043857A1 (zh)

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