WO2014086022A1 - 信息传输的用户设备、基站及其方法 - Google Patents

信息传输的用户设备、基站及其方法 Download PDF

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Publication number
WO2014086022A1
WO2014086022A1 PCT/CN2012/086040 CN2012086040W WO2014086022A1 WO 2014086022 A1 WO2014086022 A1 WO 2014086022A1 CN 2012086040 W CN2012086040 W CN 2012086040W WO 2014086022 A1 WO2014086022 A1 WO 2014086022A1
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WO
WIPO (PCT)
Prior art keywords
information
base station
harq
dpcch channel
cqi
Prior art date
Application number
PCT/CN2012/086040
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English (en)
French (fr)
Inventor
范叔炬
马雪利
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 EP12889655.2A priority Critical patent/EP2930973A4/en
Priority to CN201280002444.8A priority patent/CN104160744B/zh
Priority to PCT/CN2012/086040 priority patent/WO2014086022A1/zh
Publication of WO2014086022A1 publication Critical patent/WO2014086022A1/zh
Priority to US14/731,993 priority patent/US20150271804A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a user equipment, a base station, and a method thereof for information transmission.
  • UMTS Universal Mobile Telecommunications System
  • 3GPP 3rd Generation Partnership Project
  • UMTS transmission data coverage is wide, but the transmission speed is slower than the LTE (Lon g Term Evolution) system of the quasi-4G standard.
  • the LTE system is a transition between 3G and 4G technologies and is the 3. 9G global standard.
  • the LTE system transmits data fast, but the coverage is small.
  • the base station supports the UMTS HSPA (High-Speed Packet Access) system and the LTE system for downlink data transmission, but when the base station simultaneously performs uplink data transmission through the UMTS HSPA system and the LTE system, power consumption is caused. High volume. Summary of the invention
  • the embodiments of the present invention provide a user equipment, a base station, and a method for information transmission, which solve the problem of high power consumption when performing uplink data transmission through the HSPA system and the LTE system of the UMTS at the same time.
  • the first aspect provides a method for transmitting information, including: receiving user data and a pilot signal of a first system sent from a first base station; generating feedback information according to user data and a pilot signal, and passing the feedback information
  • the uplink control channel of the second system is sent to the second base station.
  • the first base station is a long term evolution LTE base station
  • the second base station is a high speed packet access HSPA base station
  • the first system is an LTE system
  • the second system is HSPA. system.
  • each subframe of the feedback information includes hybrid automatic repeat request acknowledgement HARQ-ACK information and/or channel quality indication CQI information, and
  • the high-speed dedicated physical control channel HS-DPCCH channel of the HSPA system is transmitted to the second base station.
  • the sending to the second base station by using the HS-DPCCH channel of the HSPA system includes: mapping the HARQ-ACK information and/or the CQI information to the HS -DPCCH channel.
  • the HARQ-ACK is used.
  • Mapping information and/or CQI information onto the HS-DPCCH channel includes: carrying HARQ-ACK information on a first time slot of each subframe of the HS-DPCCH channel, wherein the first time slot is used to carry two HARQ- ACK information; and/or carrying CQI information on a second time slot or a third time slot of each subframe of the HS-DPCCH channel.
  • mapping the HARQ-ACK information and/or the CQI information to the HS-DPCCH channel includes: updating a format of the HS-DPCCH channel, Each subframe of the HS-DPCCH channel is caused to carry feedback information of two subframes.
  • mapping the HARQ-ACK information and/or the CQI information to the HS-DPCCH channel includes: HARQ- The ACK information and the CQI information are independently encoded and transmitted to the second base station through the HS-DPCCH channel.
  • mapping the HARQ-ACK information and/or the CQI information to the HS-DPCCH channel includes: jointly coding the HARQ-ACK information and the CQI information And transmitted to the second base station through the HS-DPCCH channel.
  • the sending, by using the HS-DPCCH channel of the HSPA system, to the second base station includes: carrying feedback information on two HS-DPCCH channels, The feedback information of the odd subframe is carried on one HS-DPCCH channel, and the feedback information of the even subframe is carried on another HS-DPCCH channel.
  • a second aspect provides a user equipment for information transmission, including: a receiving unit, configured to receive user data and a pilot signal of a first system sent from a first base station; and a processing unit, acquiring user data and a pilot from the receiving unit Signaling, and generating feedback information according to the user data and the pilot signal; the sending unit, obtaining feedback information from the processing unit, and transmitting the feedback information to the second base station through the uplink control channel of the second system.
  • the first base station is an LTE base station
  • the second base station is an HSPA base station
  • the first system is an LTE system
  • the second system is an HSPA system.
  • each subframe of the feedback information includes HARQ-ACK information and/or CQI information
  • the sending unit passes the HS-DPCCH channel of the HSPA system.
  • the HARQ-ACK information and/or CQI information is transmitted to the second base station.
  • the processing unit in conjunction with the second possible implementation of the second aspect, in a third possible implementation, the processing unit
  • the HARQ-ACK information and/or CQI information is mapped onto the HS-DPCCH channel.
  • the processing unit in conjunction with the third possible implementation of the second aspect, in a fourth possible implementation, the processing unit
  • the HARQ-ACK information is carried on a first time slot of each subframe of the HS-DPCCH channel, and/or the processing unit carries the CQI information in a second time slot or third time of each subframe of the HS-DPCCH channel On the slot, the first time slot is used to carry two HARQ-ACK information.
  • the processing unit updates the format of the HS-DPCCH channel, so that each subframe of the HS-DPCCH channel carries feedback information of two subframes. .
  • the processing unit independently encodes the HARQ-ACK information and the CQI information, and the sending unit sends the HARQ-ACK information
  • the coding of the coding and CQI information is transmitted to the second base station through the HS-DPCCH channel.
  • the processing unit jointly encodes the HARQ-ACK information and the CQI information, and the sending unit uses the joint encoding of the HARQ-ACK information and the CQI information to pass the HS.
  • the -DPCCH channel is transmitted to the second base station.
  • the processing unit carries the feedback information on two HS-DPCCH channels, where the feedback information of the odd subframes is carried in an HS- On the DPCCH channel, the feedback information of even subframes is carried on another HS-DPCCH channel.
  • a third aspect provides an information transmission method, including the following steps: receiving, by using an uplink control channel of a second system, feedback information generated by a user equipment according to user data of a first system and a pilot signal; and transmitting feedback information to the first base station .
  • the first base station is an LTE base station
  • the first system is an LTE system
  • the second system is an HSPA system.
  • each subframe of the feedback information includes HARQ-ACK information and/or CQI information, and is received by the HS-DPCCH channel of the HSPA system.
  • HARQ-ACK information and/or CQI information is received by the HS-DPCCH channel of the HSPA system.
  • a fourth aspect provides a base station for information transmission, comprising: a receiving unit, configured to receive, by using an uplink control channel of a second system, feedback information generated by a user equipment according to user data and a pilot signal of the first system; The feedback information is sent to the first base station.
  • the first base station is an LTE base station
  • the first system is an LTE system
  • the second system is an HSPA system.
  • each subframe of the feedback information includes HARQ-ACK information and/or CQI information
  • the receiving unit passes the HS-DPCCH of the HSPA system.
  • the channel receives HARQ-ACK information and/or CQI information.
  • the user equipment generates feedback information by using the user data and the pilot signal of the first system sent by the first base station, and sends the feedback information to the uplink control channel of the second system to the
  • the second base station transmits the feedback information of the first system through the second system to reduce power consumption. And improve the user experience.
  • FIG. 1 is a schematic structural diagram of an information transmission system according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of user equipment in an information transmission system according to a second embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a second base station in an information transmission system according to a second embodiment of the present invention.
  • FIG. 4 is a schematic diagram showing a frame structure of an HS-DPCCH channel in an information transmission system according to a second embodiment of the present invention
  • FIG. 5 is a schematic diagram showing a frame structure of feedback information in an information transmission system according to a second embodiment of the present invention
  • FIG. 7 is a schematic diagram showing a frame structure of an HS-DPCCH channel in an information transmission system according to a third embodiment of the present invention
  • FIG. 8 is a diagram showing mapping of feedback information to an HS-DPCCH channel in the information transmission system according to the third embodiment of the present invention
  • Figure 9 is a diagram showing mapping of feedback information to an HS-DPCCH channel in an information transmission system according to a fourth embodiment of the present invention.
  • Figure 10 is a diagram showing mapping of feedback information to an HS-DPCCH channel in an information transmission system according to a fifth embodiment of the present invention.
  • FIG. 11 is a flowchart of an information transmission method according to a first embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a user equipment according to a sixth embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of a user equipment according to a seventh embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a base station according to an eighth embodiment of the present invention.
  • FIG. 15 is a block diagram showing the structure of a base station according to a ninth 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 only a part of the embodiments of the present invention, but not all embodiments. . based on All other embodiments obtained by those skilled in the art without departing from the inventive scope are the scope of the present invention.
  • FIG. 1 is a schematic structural diagram of an information transmission system according to a first embodiment of the present invention.
  • the system disclosed in this embodiment includes: a User Equipment (UE) 101 and a base station 102.
  • the base station 102 includes a first base station 103 and a second base station 104.
  • the first base station 103 transmits user data and pilot signals of the first system to the user equipment 101, and the user equipment 101 generates feedback information according to the user data and the pilot signals.
  • the user equipment 101 further sends the feedback information to the second base station 104 through the uplink control channel of the second system, and the second base station 104 sends the feedback information to the first base station 103, so that the feedback information of the first system is transmitted through the second system.
  • the first base station 103 disclosed in this embodiment is an LTE base station
  • the second base station 104 is an HSPA base station
  • the first system is an LTE system
  • the second system is an HSPA system.
  • the user equipment 101 includes a receiving unit 105, a processing unit 106, and a transmitting unit 107, as shown in FIG.
  • the receiving unit 105 is configured to receive user data and pilot signals of the first system sent from the first base station 103
  • the processing unit 106 acquires user data and pilot signals from the receiving unit 105, and generates according to the user data and the pilot signals.
  • Feedback information the transmitting unit 107 acquires feedback information from the processing unit 106, and transmits the feedback information to the second base station 104 through the uplink control channel of the second system.
  • the second base station 104 includes a receiving unit 108 and a transmitting unit 109, as shown in FIG.
  • the receiving unit 108 receives the feedback information from the transmitting unit 107 of the user equipment 101, and the transmitting unit 109 acquires the feedback information from the receiving unit 108, and transmits the feedback information to the first base station 103.
  • the second system is an HSPA system
  • the uplink control channel of the HSPA system is a HS-DPCCH channel (High-Speed Dedicated Physical Control Channel).
  • the spreading factor of the HS-DPCCH channel is 128, the frame of the HS-DPCCH channel is 10 ms, and each frame of the HS-DPCCH channel includes 5 subframes, each subframe being 2 ms.
  • Each subframe of the HS-DPCCH channel includes a first time slot, a second time slot, and a third time slot, and the first time slot includes two "half time slots".
  • the processing unit 106 of the user equipment 101 generates feedback information according to the user data and the pilot signal. As shown in FIG. 5, each frame of the feedback information is 10 ms, and each frame of the feedback information includes 10 subframes, and each subframe is lms. . Each sub-frame of the feedback information includes a HARQ (Hybrid Automatic Repeat Request)-ACK (Acknowledgement) information and/or a CQI (Channel Quality Indicator). Road quality indication) information. In other embodiments of the present invention, those skilled in the art may set the feedback information to further include PCI (Precoding Control Indicator) information and/or RI (Rank Indicator) information and the like.
  • PCI Precoding Control Indicator
  • RI Rank Indicator
  • processing unit 106 maps HARQ-ACK information and/or CQI information onto the HS-DPCCH channel, ie, processing unit 106 carries the HARQ-ACK information in the first of each subframe of the HS-DPCCH channel. On the time slot, and/or carrying CQI information on the second time slot or the third time slot of each subframe of the HS-DPCCH channel, so that the HARQ-ACK information and/or CQI information of the feedback information can be fully carried. On the HS-DPCCH channel, as shown in Figure 6.
  • the first time slot of the HS-DPCCH channel is used to carry two HARQ-ACK information, and the processing unit 106 independently encodes the HARQ-ACK information and the CQI information to obtain the coding of the HARQ-ACK information and the coding of the CQI information.
  • the sending unit 107 sends the encoding of the HARQ-ACK information of the feedback information and the encoding of the CQI information to the second base station 104 through the HS-DPCCH channel, and when the second base station 104 receives the feedback information, the second base station
  • the two HARQ-ACK information carried on the first time slot needs to be separately processed to avoid the delay time, so that the second base station 104 cannot obtain the HARQ-ACK information within the agreed time.
  • the user equipment 101 carries the HARQ-ACK information on the first time slot of each subframe of the HS-DPCCH channel, and/or carries the CQI information in the second of each subframe of the HS-DPCCH channel.
  • the time slot or the third time slot is used to enable feedback information to be transmitted to the second base station 102 through the HS-DPCCH channel, thereby reducing power consumption and improving user experience.
  • the present invention also provides an information transmission system of the third embodiment, which is different from the information transmission system disclosed in the second embodiment in that, as shown in FIG. 7, the processing unit 106 maps HARQ-ACK information and/or CQI information to On the HS-DPCCH channel, the processing unit 106 updates the format of the HS-DPCCH channel, and each subframe of the HS-DPCCH channel includes two slots, each slot is lms, therefore, each of the HS-DPCCH channels A subframe can carry feedback information of two subframes.
  • FIG. 8 is a map of HS-DPCCH channel and feedback information of the information transmission system according to the third embodiment of the present invention.
  • HARQ-ACK information and/or CQI information is carried on one slot of the HS-DPCCH channel, and each frame of the feedback information corresponds to each frame of the HS-DPCCH channel, and the processing unit 106 will HARQ.
  • the -ACK information and the CQI information are independently encoded.
  • the present invention further provides the information transmission system of the fourth embodiment, which is different from the information transmission system disclosed in the third embodiment in that: as shown in FIG. 9, the processing unit 106 performs HARQ-ACK information and CQI information of the feedback information. Joint coding. As an example, how the processing unit 106 jointly encodes HARQ-ACK information and CQI information is described in detail below.
  • the feedback information includes: 2-bit HARQ-ACK letter per lms Information and 8-bit CQI information, and use " ⁇ , ⁇ a ⁇ , , "9 to represent the 10 bits, ⁇ . It is low and high. among them:
  • those skilled in the art can fully set HARQ-ACK information and CQI information including other bits every 1 ms of the feedback information.
  • those skilled in the art can set the feedback information to include PCI information and/or RI information, etc., and can perform joint coding by the joint coding method described above.
  • the present invention further provides the information transmission system of the fifth embodiment, which is different from the information transmission system disclosed in the second embodiment in that: as shown in FIG. 10, the HS-DPCCH channel of the second system disclosed in this embodiment
  • the spreading factor is 256
  • the processing unit 106 carries the feedback information on the two HS-DPCCH channels 801 and 802.
  • the processing unit 106 carries the feedback information of the odd subframes on the HS-DPCCH channel 801, and the even number is
  • the feedback information of the frame is carried on the HS-DPCCH channel 802, and the HS-DPCCH channel 802 is delayed by 1 ms with respect to the HS-DPCCH channel 801.
  • the present invention also provides an information transmission method of the first embodiment, which is described in detail based on the information transmission system disclosed in the first embodiment. As shown in FIG. 11, the method disclosed in this embodiment includes the following steps:
  • Step 111 The first base station 103 sends the user data and the pilot signal of the first system to the user equipment 101.
  • the first base station 103 sends the user data and the pilot signal to the user equipment 101, and simultaneously transmits the user data and the pilot signal.
  • Related control information The first base station 103 sends the user data and the pilot signal of the first system to the user equipment 101.
  • Step 112 The user equipment 101 receives the user data and the pilot signal, generates feedback information according to the user data and the pilot signal, and sends the feedback information to the second base station 104 through the uplink control channel of the second system;
  • the user equipment 101 After the user equipment 101 receives the control information, the user equipment 101 adjusts and decodes the user data and the pilot signal by using the control information, and the user equipment 101 generates feedback information according to the user data and the pilot signal, and the user equipment 101 further passes the second.
  • the uplink control channel of the system sends the feedback information to the second base station 104, and the second base station 104 sends the feedback information to the first base station 103, so that the feedback information of the first system is transmitted through the second system. Coding base sequence
  • the present invention also provides an information transmission method of the second embodiment, which is described in detail based on the information transmission system disclosed in the second embodiment.
  • the processing unit 106 of the user equipment 101 carries the HARQ-ACK information on the first time slot of each subframe of the HS-DPCCH channel, and/or carries the CQI information on each of the HS-DPCCH channels.
  • the second time slot or the third time slot of the subframe is such that the HARQ-ACK information and/or the CQI information of the feedback information can be completely carried on the HS-DPCCH channel, as shown in FIG. 6.
  • the first time slot of the HS-DPCCH channel is used to carry two HARQ-ACK information, and the processing unit 106 separately encodes the HARQ-ACK information and the CQI information to obtain the coding of the HARQ-ACK information and the coding of the CQI information.
  • the present invention also provides an information transmission method of the third embodiment, which is different from the information transmission method of the second embodiment in that, in step 112, the processing unit 106 updates the format of the HS-DPCCH channel to make the HS-DPCCH channel
  • Each subframe includes two slots, each slot being 1 ms.
  • the processing unit 106 independently encodes the HARQ-ACK information and the CQI information of the feedback information, and carries the HARQ-ACK information and the CQI information on the HS-DPCCH channel. On a time slot.
  • the present invention also provides the information transmission method of the fourth embodiment, which is different from the information transmission method of the third embodiment in that: in step 112, the processing unit 106 jointly encodes the HARQ-ACK information and the CQI information of the feedback information. .
  • the present invention also provides an information transmission method of the fifth embodiment, which is different from the information transmission method disclosed in the second embodiment.
  • the spreading factor of the HS-DPCCH channel of the second system is 256
  • the processing unit 106 carries the feedback information on the two HS-DPCCH channels 801 and 802, wherein the processing unit 106 feeds back the odd subframes.
  • the information is carried on the HS-DPCCH channel 801, and the feedback information of the even subframes is carried on the HS-DPCCH channel 802, and the HS-DPCCH channel 802 is delayed by 1 ms with respect to the HS-DPCCH channel 801.
  • the present invention also provides a user equipment of a sixth embodiment, which is described on the basis of the information transmission system disclosed in the first embodiment.
  • the user equipment disclosed in this embodiment is used to perform the method for information transmission in the foregoing embodiments.
  • the user equipment 120 disclosed in this embodiment includes: a receiving unit 121, a processing unit 122, and a sending unit 123.
  • the receiving unit 121 is configured to receive user data and pilot signals of the first system that are sent from the first base station 103, and the processing unit 122 acquires user data and pilot information from the receiving unit 121, and generates the user data and the pilot information according to the user data and the pilot information.
  • the sending unit 123 obtains feedback information from the processing unit 122, and transmits the feedback information to the second base station 104 through the uplink control channel of the second system.
  • the present invention also provides a user equipment of a seventh embodiment, which is described on the basis of the information transmission system disclosed in the first embodiment.
  • the user equipment disclosed in this embodiment is used to perform the method for information transmission in the foregoing embodiments.
  • the user equipment 130 disclosed in this embodiment includes: a receiver 131, a processor 132, and a transmitter 133.
  • the receiver 131 is configured to receive user data and pilot signals of the first system sent from the first base station 103
  • the processor 132 acquires user data and pilot information from the receiver 131, and generates the user data and the pilot information according to the user data and the pilot information.
  • the transmitter 133 obtains feedback information from the processor 132 and transmits the feedback information to the second base station 104 via the uplink control channel of the second system.
  • the present invention also provides a base station of the eighth embodiment, which is described on the basis of the information transmission system disclosed in the first embodiment.
  • the base station disclosed in this embodiment is used to perform the method for information transmission in the foregoing embodiments.
  • the base station 140 disclosed in this embodiment includes a receiving unit 141 and a transmitting unit 142, wherein the base station 140 is the second base station 104 disclosed by the information transmission system of the first embodiment.
  • the receiving unit 141 receives the feedback signal generated by the user equipment 101 according to the user data of the first system and the pilot signal through the uplink control channel of the second system, and the sending unit 142 acquires the feedback signal from the receiving unit 141, and sends the feedback signal to the first Base station 103.
  • a base station according to a ninth embodiment of the present invention is described on the basis of the information transmission system disclosed in the first embodiment.
  • the base station disclosed in this embodiment is used to perform the method for information transmission in the foregoing embodiments.
  • the base station 150 disclosed in this embodiment includes a receiver 151 and a transmitter 152.
  • the base station 150 is the second base station 104 disclosed by the information transmission system of the first embodiment.
  • the receiver 151 receives the feedback signal generated by the user equipment 101 according to the user data of the first system and the pilot signal through the uplink control channel of the second system, and the transmitter 152 acquires the feedback signal from the receiver 151, and sends the feedback signal to the first Base station 103.
  • the user equipment generates feedback information according to user data and pilot signals of the first system sent by the first base station, and sends the feedback information to the second base station through the uplink control channel of the second system.
  • the feedback information of the first system is transmitted through the second system, reducing power consumption and improving the user experience.

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Abstract

本发明公开了一种信息传输的用户设备、基站及其方法。该方法包括以下步骤:接收从第一基站发送的第一系统的用户数据和导频信号;根据用户数据和导频信号产生反馈信息,将反馈信息通过第二系统的上行控制信道发送至第二基站。通过上述方式,本发明能够实现第一系统的反馈信息通过第二系统进行传输,降低耗电量,并且提高用户体验。

Description

信息传输的用户设备、 基站及其方法 技术领域 本发明涉及通信技术领域, 特别是涉及一种信息传输的用户设备、 基站及其方法。 背景技术 目前, UMTS (Universal Mobile Telecommunications System, 通用移动通信系统) 是国际标准化组织 3GPP ( 3rd Generation Partnership Project, 第三代合作伙伴计划) 指定的全球 3G标准之一。 UMTS传输数据覆盖广,但是传输速度相比准 4G标准的 LTE(Long Term Evolution, 长期演进) 系统慢一些。
LTE系统是 3G与 4G技术之间的一个过渡, 为 3. 9G全球标准。 LTE系统传输数据速 度快, 但是覆盖面小。 现有技术中基站支持 UMTS的 HSPA (High-Speed Packet Access, 高速分组接入)系统和 LTE系统进行下行数据传输, 但是基站同时通过 UMTS的 HSPA系 统和 LTE系统进行上行数据传输时, 导致耗电量高。 发明内容
有鉴于此, 本发明实施例提供了一种信息传输的用户设备、 基站及其方法, 以解决 在同时通过 UMTS的 HSPA系统和 LTE系统进行上行数据传输时, 导致耗电量高的问题。
第一方面提供一种一种信息传输的方法, 其包括: 接收从第一基站发送的第一系统 的用户数据和导频信号; 根据用户数据和导频信号产生反馈信息, 将反馈信息通过第二 系统的上行控制信道发送至第二基站。
结合第一方面的实现方式, 在第一种可能的实现方式中, 第一基站为长期演进 LTE 基站, 第二基站为高速分组接入 HSPA基站, 第一系统为 LTE系统, 第二系统为 HSPA系 统。
结合第一方面的第一种可能实现方式, 在第二种可能的实现方式中, 反馈信息的每 一子帧包括混合自动重传请求确认 HARQ-ACK信息和 /或信道质量指示 CQI信息, 并且通 过 HSPA系统的高速专用物理控制信道 HS-DPCCH信道发送至第二基站。
结合第一方面的第二种可能实现方式, 在第三种可能的实现方式中, 通过 HSPA系 统的 HS-DPCCH 信道发送至第二基站包括: 将 HARQ-ACK 信息和 /或 CQI 信息映射到 HS-DPCCH信道上。
结合第一方面的第三种可能实现方式, 在第四种可能的实现方式中, 将 HARQ-ACK 信息和 /或 CQI信息映射到 HS-DPCCH信道上包括:将 HARQ-ACK信息承载在 HS-DPCCH信 道的每一子帧的第一时隙上, 其中第一时隙用于承载两个 HARQ-ACK信息; 和 /或将 CQI 信息承载在 HS-DPCCH信道的每一子帧的第二时隙或第三时隙上。
结合第一方面的第三种可能实现方式, 在第五种可能的实现方式中, 将 HARQ-ACK 信息和 /或 CQI 信息映射到 HS-DPCCH信道上包括: 更新 HS-DPCCH信道的格式, 以使 HS-DPCCH信道的每一子帧承载两个子帧的反馈信息。
结合第一方面的第四种可能实现方式或第五种可能实现方式,在第六种可能的实现 方式中, 将 HARQ-ACK信息和 /或 CQI信息映射到 HS-DPCCH信道上包括: HARQ-ACK信息 和 CQI信息独立编码, 并通过 HS-DPCCH信道发送至第二基站。
结合第一方面的第五种可能实现方式, 在第七种可能的实现方式中, 将 HARQ-ACK 信息和 /或 CQI信息映射到 HS-DPCCH信道上包括: HARQ-ACK信息和 CQI信息联合编码, 并通过 HS-DPCCH信道发送至第二基站。
结合第一方面的第二种可能实现方式, 在第八种可能的实现方式中, 通过 HSPA系 统的 HS-DPCCH信道发送至第二基站包括: 将反馈信息承载在两个 HS-DPCCH信道上, 其 中, 奇数子帧的反馈信息承载在一个 HS-DPCCH信道上, 偶数子帧的反馈信息承载在另 一个 HS-DPCCH信道上。
第二方面提供一种信息传输的用户设备, 其包括: 接收单元, 用于接收从第一基站 发送的第一系统的用户数据和导频信号; 处理单元, 从接收单元获取用户数据和导频信 号, 并根据用户数据和导频信号产生反馈信息; 发送单元, 从处理单元获取反馈信息, 并将反馈信息通过第二系统的上行控制信道发送至第二基站。
结合第二方面的实现方式, 在第一种可能的实现方式中, 第一基站为 LTE基站, 第 二基站为 HSPA基站, 第一系统为 LTE系统, 第二系统为 HSPA系统。
结合第二方面的第一种可能实现方式, 在第二种可能的实现方式中, 反馈信息的每 一子帧包括 HARQ-ACK信息和 /或 CQI信息,发送单元通过 HSPA系统的 HS-DPCCH信道将
HARQ-ACK信息和 /或 CQI信息发送至第二基站。
结合第二方面的第二种可能实现方式, 在第三种可能的实现方式中, 处理单元将
HARQ-ACK信息和 /或 CQI信息映射到 HS-DPCCH信道上。
结合第二方面的第三种可能实现方式, 在第四种可能的实现方式中, 处理单元将
HARQ-ACK信息承载在 HS-DPCCH信道的每一子帧的第一时隙上, 和 /或处理单元将 CQI 信息承载在 HS-DPCCH信道的每一子帧的第二时隙或第三时隙上, 其中第一时隙用于承 载两个 HARQ-ACK信息。 结合第二方面的第三种可能实现方式, 在第五种可能的实现方式中, 处理单元更新 HS-DPCCH信道的格式, 以使 HS-DPCCH信道的每一子帧承载两个子帧的反馈信息。
结合第二方面的第四种可能实现方式或第五种可能实现方式,在第六种可能的实现 方式中, 处理单元将 HARQ-ACK信息和 CQI信息独立编码, 发送单元将 HARQ-ACK信息的 编码和 CQI信息的编码通过 HS-DPCCH信道发送至第二基站。
结合第二方面的第五种可能实现方式, 在第七种可能的实现方式中, 处理单元将 HARQ-ACK信息和 CQI信息联合编码, 发送单元将 HARQ-ACK信息和 CQI信息的联合编码 通过 HS-DPCCH信道发送至第二基站。
结合第二方面的第二种可能实现方式, 在第八种可能的实现方式中, 处理单元将反 馈信息承载在两个 HS-DPCCH信道上, 其中, 奇数子帧的反馈信息承载在一个 HS-DPCCH 信道上, 偶数子帧的反馈信息承载在另一个 HS-DPCCH信道上。
第三方面提供一种信息传输方法, 其包括以下步骤: 通过第二系统的上行控制信道 接收用户设备根据第一系统的用户数据和导频信号产生的反馈信息;将反馈信息发送至 第一基站。
结合第三方面的实现方式, 在第一种可能的实现方式中, 第一基站为 LTE基站, 第 一系统为 LTE系统, 第二系统为 HSPA系统。
结合第三方面的第一种可能的实现方式, 在第二种可能的实现方式中, 反馈信息的 每一子帧包括 HARQ-ACK信息和 /或 CQI 信息, 通过 HSPA系统的 HS-DPCCH信道接收 HARQ-ACK信息和 /或 CQI信息。
第四方面提供一种信息传输的基站, 其包括: 接收单元, 用于通过第二系统的上行 控制信道接收用户设备根据第一系统的用户数据和导频信号产生的反馈信息; 发送单 元, 用于将反馈信息发送至第一基站。
结合第四方面的实现方式, 在第一种可能的实现方式中, 第一基站为 LTE基站, 第 一系统为 LTE系统, 第二系统为 HSPA系统。
结合第四方面的第一种可能的实现方式, 在第二种可能的实现方式中, 反馈信息的 每一子帧包括 HARQ-ACK信息和 /或 CQI信息,接收单元通过 HSPA系统的 HS-DPCCH信道 接收 HARQ-ACK信息和 /或 CQI信息。
通过上述方案, 本发明的有益效果是: 本发明通过用户设备根据第一基站发送的第 一系统的用户数据和导频信号产生反馈信息, 并将反馈信息通过第二系统的上行控制信 道发送至第二基站, 以实现第一系统的反馈信息通过第二系统进行传输, 降低耗电量, 并且提高用户体验。 附图说明 为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用 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的前提下, 还可以根据这些附图获得 其他的附图。 其中:
图 1是本发明第一实施例的信息传输系统的结构示意图;
图 2是本发明第二实施例的信息传输系统中用户设备的结构示意图;
图 3是本发明第二实施例的信息传输系统中第二基站的结构示意图;
图 4是本发明第二实施例的信息传输系统中 HS-DPCCH信道的帧结构示意图; 图 5是本发明第二实施例的信息传输系统中反馈信息的帧结构示意图; 图 6是本发明第二实施例的信息传输系统中将反馈信息映射到 HS-DPCCH信道的示 意图;
图 7是本发明第三实施例的信息传输系统中 HS-DPCCH信道的帧结构示意图; 图 8是本发明第三实施例的信息传输系统中将反馈信息映射到 HS-DPCCH信道的示 意图;
图 9是本发明第四实施例的信息传输系统中将反馈信息映射到 HS-DPCCH信道的示 意图;
图 10是本发明第五实施例的信息传输系统中将反馈信息映射到 HS-DPCCH信道的示 意图;
图 11是本发明第一实施例的信息传输方法的流程图;
图 12是本发明第六实施例的用户设备的结构示意图;
图 13是本发明第七实施例的用户设备的结构示意图;
图 14是本发明第八实施例的基站的结构示意图;
图 15是本发明第九实施例的基站的结构示意图。 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, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部实施例。 基于 本发明中的实施例,本领域普通技术人员在没有做出创造性的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。
请参见图 1所示, 图 1是本发明第一实施例的信息传输系统的结构示意图。 如图 1 所示, 本实施例所揭示的系统包括: 用户设备 (User Equipment, UE) 101和基站 102。 其中, 基站 102包括第一基站 103和第二基站 104。
在本实施例中,第一基站 103向用户设备 101发送第一系统的用户数据和导频信号, 用户设备 101根据用户数据和导频信号产生反馈信息。用户设备 101进一步通过第二系 统的上行控制信道将反馈信息发送至第二基站 104, 第二基站 104将反馈信息发送至第 一基站 103, 以实现第一系统的反馈信息通过第二系统进行传输, 以降低耗电量, 并且 提高用户体验。
可选的, 本实施例所揭示的第一基站 103为 LTE基站, 第二基站 104为 HSPA基站, 第一系统为 LTE系统, 第二系统为 HSPA系统。
本发明还提供第二实施例的信息传输系统,其在第一实施例所揭示的信息传输系统 的基础上进行详细描述。在本实施例中,用户设备 101包括接收单元 105、处理单元 106 以及发送单元 107, 如图 2所示。 其中, 接收单元 105用于接收从第一基站 103发送的 第一系统的用户数据和导频信号,处理单元 106从接收单元 105获取用户数据和导频信 号, 并根据用户数据和导频信号产生反馈信息, 发送单元 107从处理单元 106获取反馈 信息, 并通过第二系统的上行控制信道将反馈信息发送至第二基站 104。
在本实施例中, 第二基站 104包括接收单元 108和发送单元 109, 如图 3所示。 其 中, 接收单元 108从用户设备 101的发送单元 107接收到反馈信息, 发送单元 109从接 收单元 108获取反馈信息, 并将反馈信息发送至第一基站 103。
在本实施例中,第二系统为 HSPA系统, HSPA系统的上行控制信道为 HS-DPCCH信道 (High-Speed Dedicated Physical Control Channel , 高速专用物理控制信道) 。 如 图 4所示, HS-DPCCH信道的扩频因子为 128, HS-DPCCH信道的每一帧为 10ms, HS-DPCCH 信道的每一帧包括 5个子帧, 每一子帧为 2ms。 其中, HS-DPCCH信道的每一子帧包括第 一时隙、 第二时隙以及第三时隙, 第一时隙包括两个 "半时隙" 。
用户设备 101的处理单元 106根据用户数据和导频信号产生反馈信息,如图 5所示, 反馈信息的每一帧为 10ms, 反馈信息的每一帧包括 10个子帧, 每一子帧为 lms。 其中, 反馈信息的每一子帧包括 HARQ (Hybrid Automatic Repeat Request, 混合自动重传请 求) -ACK (Acknowledgement, 确认) 信息禾口 /或 CQI (Channel Quality Indicator, 信 道质量指示)信息。 在本发明的其他实施例中, 本领域的技术人员完全可以设置反馈信 息还包括 PCI (Precoding Control Indicator, 预编码控制指示) 信息和 /或 RI (Rank Indicator, 秩指示) 信息等。
在本实施例中, 处理单元 106将 HARQ-ACK信息和 /或 CQI信息映射到 HS-DPCCH信 道上,即处理单元 106将 HARQ-ACK信息承载在 HS-DPCCH信道的每一子帧的第一时隙上, 和 /或将 CQI信息承载在 HS-DPCCH信道的每一子帧的第二时隙或第三时隙上, 以使反馈 信息的 HARQ-ACK信息和 /或 CQI信息能够完全承载在 HS-DPCCH信道上, 如图 6所示。 其中, HS-DPCCH信道的第一时隙用于承载两个 HARQ-ACK信息,处理单元 106将 HARQ-ACK 信息和 CQI信息进行独立编码, 以得到 HARQ-ACK信息的编码和 CQI信息的编码。
在本实施例中, 发送单元 107将反馈信息的 HARQ-ACK信息的编码和 CQI信息的编 码通过 HS-DPCCH信道发送至第二基站 104,在第二基站 104接收到反馈信息时,第二基 站 104需要将承载于第一时隙上的两个 HARQ-ACK信息分开处理, 以避免延误时间所导 致第二基站 104在约定时间内得不到 HARQ-ACK信息。
本实施例通过用户设备 101将 HARQ-ACK信息承载在 HS-DPCCH信道的每一子帧的第 一时隙上,和 /或将 CQI信息承载在 HS-DPCCH信道的每一子帧的第二时隙或第三时隙上, 以使反馈信息能够通过 HS-DPCCH信道发送至第二基站 102,降低耗电量,提高用户体验。
本发明还提供第三实施例的信息传输系统,与第二实施例所揭示的信息传输系统不 同之处在于:如图 7所示,处理单元 106将 HARQ-ACK信息和 /或 CQI信息映射到 HS-DPCCH 信道上, 其中, 处理单元 106更新 HS-DPCCH信道的格式, HS-DPCCH信道的每一子帧包 括两个时隙, 每个时隙为 lms, 因此, HS-DPCCH信道的每一子帧能够承载两个子帧的反 馈信息。
请参见图 8,图 8是本发明第三实施例的信息传输系统的 HS-DPCCH信道和反馈信息 的映射图。如图 8所示, HARQ-ACK信息和 /或 CQI信息承载在 HS-DPCCH信道的一个时隙 上, 反馈信息的每一帧与 HS-DPCCH信道的每一帧相对应, 处理单元 106将 HARQ-ACK信 息和 CQI信息进行独立编码。
本发明还提供第四实施例的信息传输系统, 与第三实施例所揭示的信息传输系统不 同之处在于: 如图 9所示, 处理单元 106将反馈信息的 HARQ-ACK信息和 CQI信息进行 联合编码。 一种举例说明, 以下详细描述处理单元 106如何将 HARQ-ACK信息和 CQI信 息进行联合编码。
在本实施例中, 以 lms的反馈信息为例, 反馈信息每 lms包括: 2比特 HARQ-ACK信 息和 8比特 CQI信息, 并利用 "ι, α a α,, "9表示该 10个 比特, α。是低位, 是高位。 其中:
0 αγ α2 α3 α4 α5 αβ αΊ α8 α9 ) = [ackQ, ac^, cqiQ cqix cqi2 cqi3 cqi4 cqi5 cqi6 cqi7 ) b。' bl' b2'…… b28' b29为 HARQ-ACK信息和 CQI信息联合编码后的比特序列, 则关 系如下:
Figure imgf000008_0001
, i = 0,l,2,3……, B -l ;
其中 A=10, B=30; ^1"根据查表1可得, 表 1为编码基序列。
在本发明的其他实施例中, 本领域的技术人员完全可以设置反馈信息的每 1ms包括 其他比特的 HARQ-ACK信息和 CQI信息。 此外, 在其他实施例中, 本领域的技术人员完 全可以设置反馈信息还包括 PCI信息和 /或 RI信息等, 并可以通过上述联合编码方法进 行联合编码。
本发明还提供第五实施例的信息传输系统, 其与第二实施例所揭示的信息传输系统 不同之处在于: 如图 10所示, 本实施例所揭示的第二系统的 HS-DPCCH信道的扩频因子 为 256, 处理单元 106将反馈信息承载在两个 HS-DPCCH信道 801以及 802上, 其中, 处 理单元 106将奇数子帧的反馈信息承载在 HS-DPCCH信道 801上, 将偶数子帧的反馈信 息承载在 HS-DPCCH信道 802上, HS-DPCCH信道 802相对于 HS-DPCCH信道 801延迟 1ms。
本发明还提供第一实施例的信息传输方法, 其在第一实施例所揭示的信息传输系统 的基础上进行详细描述。 如图 11所示, 本实施例所揭示的方法包括以下步骤:
步骤 111 : 第一基站 103向用户设备 101发送第一系统的用户数据和导频信号; 其中, 第一基站 103向用户设备 101发送用户数据和导频信号, 同时发送与用户数 据和导频信号相关的控制信息。
步骤 112 : 用户设备 101接收用户数据和导频信号, 根据用户数据和导频信号产生 反馈信息, 并将反馈信息通过第二系统的上行控制信道发送至第二基站 104;
在用户设备 101接收到控制信息后, 用户设备 101利用控制信息对用户数据和导频 信号进行调节和译码, 用户设备 101根据用户数据和导频信号产生反馈信息, 用户设备 101进一步通过第二系统的上行控制信道将反馈信息发送至第二基站 104,第二基站 104 将反馈信息发送至第一基站 103, 以实现第一系统的反馈信息通过第二系统进行传输。 编码基序列
Figure imgf000009_0001
本发明还提供第二实施例的信息传输方法, 其在第二实施例所揭示的信息传输系统 的基础上进行详细描述。 在步骤 112中, 用户设备 101的处理单元 106将 HARQ-ACK信 息承载在 HS-DPCCH信道的每一子帧的第一时隙上, 和 /或将 CQI信息承载在 HS-DPCCH 信道的每一子帧的第二时隙或第三时隙上, 以使反馈信息的 HARQ-ACK信息和 /或 CQI信 息能够完全承载在 HS-DPCCH信道上, 如图 6所示。 其中, HS-DPCCH信道的第一时隙用 于承载两个 HARQ-ACK信息, 处理单元 106将 HARQ-ACK信息和 CQI信息进行独立编码, 以得到 HARQ-ACK信息的编码和 CQI信息的编码。
本发明还提供第三实施例的信息传输方法, 其与第二实施例的信息传输方法不同之 处在于: 在步骤 112中, 处理单元 106更新 HS-DPCCH信道的格式, 以使 HS-DPCCH信道 的每一子帧包括两个时隙,每个时隙为 1ms。其中,处理单元 106将反馈信息的 HARQ-ACK 信息和 CQI信息进行独立编码, 并将 HARQ-ACK信息和 CQI信息承载在 HS-DPCCH信道的 一个时隙上。
本发明还提供第四实施例的信息传输方法, 其与第三实施例的信息传输方法不同之 处在于: 在步骤 112中, 处理单元 106将反馈信息的 HARQ-ACK信息和 CQI信息进行联 合编码。
本发明还提供第五实施例的信息传输方法, 其与第二实施例所揭示的信息传输方法 不同之处在于。在步骤 112中, 第二系统的 HS-DPCCH信道的扩频因子为 256, 处理单元 106将反馈信息承载在两个 HS-DPCCH信道 801以及 802上,其中,处理单元 106将奇数 子帧的反馈信息承载在 HS-DPCCH信道 801上, 将偶数子帧的反馈信息承载在 HS-DPCCH 信道 802上, HS-DPCCH信道 802相对于 HS-DPCCH信道 801延迟 1ms。
本发明还提供第六实施例的用户设备, 其在第一实施所揭示的信息传输系统的基础 上进行描述。 本实施例所揭示的用户设备用于执行上述各实施例中信息传输的方法。 如 图 12所示, 本实施例所揭示的用户设备 120包括: 接收单元 121、处理单元 122以及发 送单元 123。 其中, 接收单元 121用于接收从第一基站 103发送的第一系统的用户数据 和导频信号, 处理单元 122从接收单元 121获取用户数据和导频信息, 并根据用户数据 和导频信息产生反馈信息, 发送单元 123从处理单元 122获取反馈信息, 并将反馈信息 通过第二系统的上行控制信道发送至第二基站 104。
本发明还提供第七实施例的用户设备, 其在第一实施所揭示的信息传输系统的基础 上进行描述。 本实施例所揭示的用户设备用于执行上述各实施例中信息传输的方法。 如 图 13所示, 本实施例所揭示的用户设备 130包括: 接收器 131、处理器 132以及发送器 133。 其中, 接收器 131用于接收从第一基站 103发送的第一系统的用户数据和导频信 号, 处理器 132从接收器 131获取用户数据和导频信息, 并根据用户数据和导频信息产 生反馈信息, 发送器 133从处理器 132获取反馈信息, 并将反馈信息通过第二系统的上 行控制信道发送至第二基站 104。
本发明还提供第八实施例的基站, 其在第一实施所揭示的信息传输系统的基础上进 行描述。 本实施例所揭示的基站用于执行上述各实施例中信息传输的方法。 如图 14所 示, 本实施例所揭示的基站 140包括接收单元 141和发送单元 142, 其中, 基站 140为 第一实施例的信息传输系统所揭示的第二基站 104。 接收单元 141通过第二系统的上行 控制信道接收用户设备 101根据第一系统的用户数据和导频信号产生的反馈信号,发送 单元 142从接收单元 141获取反馈信号, 并将反馈信号发送至第一基站 103。
本发明第九实施例的基站,其在第一实施所揭示的信息传输系统的基础上进行描述。 本实施例所揭示的基站用于执行上述各实施例中信息传输的方法。 如图 15所示, 本实 施例所揭示的基站 150包括接收器 151和发送器 152, 其中, 基站 150为第一实施例的 信息传输系统所揭示的第二基站 104。 接收器 151通过第二系统的上行控制信道接收用 户设备 101根据第一系统的用户数据和导频信号产生的反馈信号,发送器 152从接收器 151获取反馈信号, 并将反馈信号发送至第一基站 103。
综上所述, 本发明通过用户设备根据第一基站发送的第一系统的用户数据和导频信 号产生反馈信息, 并将反馈信息通过第二系统的上行控制信道发送至第二基站, 以实现 第一系统的反馈信息通过第二系统进行传输, 降低耗电量, 并且提高用户体验。
以上所述仅为本发明的实施例, 并非因此限制本发明的专利范围, 凡是利用本发明 说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技 术领域, 均同理包括在本发明的专利保护范围内。

Claims

权利要求
1. 一种信息传输的方法, 其特征在于, 所述方法包括:
接收从第一基站发送的第一系统的用户数据和导频信号;
根据所述用户数据和导频信号产生反馈信息,将所述反馈信息通过第二系统的上行 控制信道发送至第二基站。
2. 根据权利要求 1所述的方法,其特征在于,所述第一基站为长期演进 LTE基站, 所述第二基站为高速分组接入 HSPA基站, 所述第一系统为 LTE系统, 所述第二系统为 HSPA系统。
3. 根据权利要求 2所述的方法, 其特征在于, 所述反馈信息的每一子帧包括混合 自动重传请求确认 HARQ-ACK信息和 /或信道质量指示 CQI信息, 并且通过所述 HSPA系 统的高速专用物理控制信道 HS-DPCCH信道发送至所述第二基站。
4. 根据权利要求 3所述的方法,其特征在于,所述通过所述 HSPA系统的 HS-DPCCH 信道发送至所述第二基站包括:
将所述 HARQ-ACK信息和 /或所述 CQI信息映射到所述 HS-DPCCH信道上。
5. 根据权利要求 4所述的方法, 其特征在于, 所述将所述 HARQ-ACK信息和 /或所 述 CQI信息映射到所述 HS-DPCCH信道上包括:
将所述 HARQ-ACK信息承载在所述 HS-DPCCH信道的每一子帧的第一时隙上,其中所 述第一时隙用于承载两个所述 HARQ-ACK信息;
和 /或将所述 CQI信息承载在所述 HS-DPCCH信道的每一子帧的第二时隙或第三时隙 上。
6. 根据权利要求 4所述的方法, 其特征在于, 所述将所述 HARQ-ACK信息和 /或所 述 CQI信息映射到所述 HS-DPCCH信道上包括:
更新所述 HS-DPCCH信道的格式, 以使所述 HS-DPCCH信道的每一子帧承载两个子帧 的所述反馈信息。
7. 根据权利要求 5或 6所述的方法, 其特征在于, 所述将所述 HARQ-ACK信息和 / 或所述 CQI信息映射到所述 HS-DPCCH信道上包括:所述 HARQ-ACK信息和所述 CQI信息 独立编码, 并通过所述 HS-DPCCH信道发送至第二基站。
8. 根据权利要求 6所述的方法, 其特征在于, 所述将所述 HARQ-ACK信息和 /或所 述 CQI信息映射到所述 HS-DPCCH信道上包括:所述 HARQ-ACK信息和所述 CQI信息联合 编码, 并通过所述 HS-DPCCH信道发送至第二基站。
9. 根据权利要求 3所述的方法,其特征在于,所述通过所述 HSPA系统的 HS-DPCCH 信道发送至所述第二基站包括:
将所述反馈信息承载在两个所述 HS-DPCCH信道上, 其中, 奇数子帧的所述反馈信 息承载在一个所述 HS-DPCCH 信道上, 偶数子帧的所述反馈信息承载在另一个所述 HS-DPCCH信道上。
10. 一种信息传输的用户设备, 其特征在于, 所述用户设备包括:
接收单元, 用于接收从第一基站发送的第一系统的用户数据和导频信号; 处理单元, 从所述接收单元获取所述用户数据和导频信号, 并根据所述用户数据和 导频信号产生反馈信息;
发送单元, 从所述处理单元获取所述反馈信息, 并将所述反馈信息通过所述第二系 统的上行控制信道发送至第二基站。
11. 根据权利要求 10所述的用户设备, 其特征在于, 所述第一基站为 LTE基站, 所述第二基站为 HSPA基站, 所述第一系统为 LTE系统, 所述第二系统为 HSPA系统。
12. 根据权利要求 11 所述的用户设备, 其特征在于, 所述反馈信息的每一子帧包 括 HARQ-ACK信息和 /或 CQI信息,所述发送单元通过所述 HSPA系统的 HS-DPCCH信道将 所述 HARQ-ACK信息和 /或 CQI信息发送至所述第二基站。
13. 根据权利要求 12所述的用户设备,其特征在于,所述处理单元将所述 HARQ-ACK 信息和 /或所述 CQI信息映射到所述 HS-DPCCH信道上。
14. 根据权利要求 13所述的用户设备,其特征在于,所述处理单元将所述 HARQ-ACK 信息承载在所述 HS-DPCCH信道的每一子帧的第一时隙上, 和 /或所述处理单元将所述 CQI信息承载在所述 HS-DPCCH信道的每一子帧的第二时隙或第三时隙上,其中所述第一 时隙用于承载两个所述 HARQ-ACK信息。
15. 根据权利要求 13 所述的用户设备, 其特征在于, 所述处理单元更新所述 HS-DPCCH信道的格式, 以使所述 HS-DPCCH信道的每一子帧承载两个子帧的所述反馈信 息。
16. 根据权利要求 14 或 15 所述的用户设备, 其特征在于, 所述处理单元将所述 HARQ-ACK信息和所述 CQI信息独立编码, 所述发送单元将所述 HARQ-ACK信息的编码和 所述 CQI信息的编码通过所述 HS-DPCCH信道发送至第二基站。
17. 根据权利要求 15所述的用户设备,其特征在于,所述处理单元将所述 HARQ-ACK 信息和所述 CQI信息联合编码, 所述发送单元将所述 HARQ-ACK信息和所述 CQI信息的 联合编码通过所述 HS-DPCCH信道发送至第二基站。
18. 根据权利要求 12 所述的用户设备, 其特征在于, 所述处理单元将所述反馈信 息承载在两个所述 HS-DPCCH信道上, 其中, 奇数子帧的所述反馈信息承载在一个所述 HS-DPCCH信道上, 偶数子帧的所述反馈信息承载在另一个所述 HS-DPCCH信道上。
19. 一种信息传输的方法, 其特征在于, 所述方法包括以下步骤:
通过第二系统的上行控制信道接收用户设备根据第一系统的用户数据和导频信号 产生的反馈信息;
将所述反馈信息发送至第一基站。
20. 根据权利要求 19所述的方法, 其特征在于, 所述第一基站为 LTE基站, 所述 第一系统为 LTE系统, 所述第二系统为 HSPA系统。
21. 根据权利要求 20 所述的方法, 其特征在于, 所述反馈信息的每一子帧包括 HARQ-ACK信息和 /或 CQI信息,通过所述 HSPA系统的 HS-DPCCH信道接收所述 HARQ-ACK 信息和 /或所述 CQI信息。
22. 一种信息传输的基站, 其特征在于, 所述基站包括: 接收单元, 用于通过所述 第二系统的上行控制信道接收用户设备根据第一系统的用户数据和导频信号产生的反 馈信息; 发送单元, 用于将所述反馈信息发送至所述第一基站。
23. 根据权利要求 22所述的基站, 其特征在于, 所述第一基站为 LTE基站, 所述 第一系统为 LTE系统, 所述第二系统为 HSPA系统。
24. 根据权利要求 23 所述的基站, 其特征在于, 所述反馈信息的每一子帧包括 HARQ-ACK信息和 /或 CQI信息, 所述接收单元通过所述 HSPA系统的 HS-DPCCH信道接收 所述 HARQ-ACK信息和 /或所述 CQI信息。
PCT/CN2012/086040 2012-12-06 2012-12-06 信息传输的用户设备、基站及其方法 WO2014086022A1 (zh)

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