US20120120926A1 - Multiple Uplink Control Channel Transmission with Reduced Cubic Metric - Google Patents

Multiple Uplink Control Channel Transmission with Reduced Cubic Metric Download PDF

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Publication number
US20120120926A1
US20120120926A1 US13/322,741 US201013322741A US2012120926A1 US 20120120926 A1 US20120120926 A1 US 20120120926A1 US 201013322741 A US201013322741 A US 201013322741A US 2012120926 A1 US2012120926 A1 US 2012120926A1
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sub
channels
resources
uplink
control channel
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English (en)
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Peng Chen
Chun Yan Gao
Esa Tapani Tiirola
Kari Pekka Pajukoski
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Nokia Solutions and Networks Oy
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Nokia Siemens Networks Oy
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Publication of US20120120926A1 publication Critical patent/US20120120926A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK

Definitions

  • the exemplary and non-limiting embodiments of this invention relate generally to wireless communication systems, methods, devices and computer programs and, more specifically, relate to control signaling in wireless communication systems.
  • EUTRAN also referred to as UTRAN-LTE or as E-UTRA
  • E-UTRA evolved UTRAN
  • the DL access technique will be orthogonal frequency division multiple access (OFDMA)
  • the UL access technique will be SC-FDMA.
  • FIG. 1 reproduces FIG. 4.1 of 3GPP TS 36.300, and shows the overall architecture of the E-UTRAN system.
  • the EUTRAN system includes eNBs, providing the EUTRA user plane (packet data convergence protocol PDCP/radio link control RLC/medium access control MAC/physical PHY) and control plane (radio resource control RRC) protocol terminations towards the user equipment UE.
  • the eNBs are interconnected with each other by means of an X2 interface.
  • the eNBs are also connected by means of an S1 interface to an evolved packet core (EPC), more specifically to a MME (Mobility Management Entity) by means of a S1 MME interface and to a Serving Gateway (S-GW) by means of a S1 interface.
  • EPC evolved packet core
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • LTE Release 9 (and beyond towards future International Mobile Telecommunications IMT-A systems, such as for example LTE Release 10), referred to herein for convenience simply as Rel-9, or as LTE-Advanced (LTE-A, sometimes termed 4.0G).
  • LTE-A LTE-Advanced
  • the current LTE system is Release 8 or Rel-8.
  • deployment scenarios using TDD or FDD mode in a scalable bandwidth manner (of up to, for example, 100 MHz) with a component carrier (CC) aggregation technique. This is shown at FIG. 2 , in which there are five adjacent carriers of 20 MHz each to span a LTE-A bandwidth of 100 MHz.
  • FIG. 2 in which there are five adjacent carriers of 20 MHz each to span a LTE-A bandwidth of 100 MHz.
  • CC component carriers
  • LTE Rel-8 UEs should be able to operate in the LTE-A system.
  • E-UTRAN backwards compatibility with Rel-8
  • a Rel-8 UE should be able to access a corresponding Rel-9 system
  • a Rel-9 UE should be able to access corresponding Rel-8 system, as shown by the arrangement of FIG. 2 .
  • a Rel-8 UE is capable of operating in a scalable system bandwidth of up to 20 MHz (e.g., 10 MHz TDD or 20 MHz TDD) as specified in 3GPP, and that this bandwidth is then scaled up to 100 MHz for Rel-9
  • the Rel-9 radio system may possibly be structured as a scalable multi-carrier system having at least one Rel-8-compatible carrier.
  • LTE-A fourth generation (4G) communication network as specified by the International Telecommunications Union (ITU) is the capability for single user multiple-input/multiple-output (SU-MIMO) transmissions, with up to four transmission antennas supported by the LTE-Advanced uplink system.
  • ITU International Telecommunications Union
  • the UE transmits control signals to the eNB on a physical uplink control channel (PUCCH).
  • PUCCH physical uplink control channel
  • These control signals include ACK/NAK, channel quality indicators (CQI), and scheduling request (SR) indicators.
  • CQI channel quality indicators
  • SR scheduling request
  • the PUCCH concept of Rel-8 is being extended to LTE-A. To adapt the PUCCH for LTE-A, certain contributors to the 3GPP discussions have suggested that single-carrier transmission should be the target (or at least one option) whenever possible. This is a challenge especially from ACK/NAK signaling point of view because of the CC-specific HARQ and transport block; there will be multiple ACK/NAK bits per UL subframe.
  • SC-FDMA symbols sometimes termed long blocks or LBs
  • a sub-frame consists of two slots.
  • One PUCCH channel occupies two consecutive slots (i.e., one sub-frame) with frequency hopping.
  • Part of those LBs are used for reference signals (the RS part, computer searched zero-autocorrelation codes ZAC sequences in Rel-8) for coherent demodulation.
  • the remaining LBs are used for control and/or data transmission (the data part).
  • one physical resource block PRB consists of 12 subcarriers during seven symbols, and one PRB contains a data part plus a RS part.
  • Cyclic shift multiplexing provides nearly complete orthogonality between different cyclic shifts (if the length of cyclic shift is larger than the delay spread of the radio channel).
  • Rel-8 provides up to 12 orthogonal cyclic shifts within one LB.
  • Orthogonal cover codes e.g., Walsh or discrete Fourier transform DFT spreading
  • the CQI is typically transmitted in Rel-8 without orthogonal covering.
  • the exemplary embodiments of this invention provide an apparatus comprising at least one processor, and at least one memory storing computer program instructions.
  • the at least one memory with the computer program instructions, is configured with the at least one processor to cause the apparatus at least to: determine that there are X uplink control channel resources available for uplink signaling; sub-channelize each of the X uplink control channel resources into a plurality of sub-channels that each defines a unique time instant; select for each of Y units of control information a unique combination of one of the sub-channels and a modulation, in which X and Y are each integers greater than one; and send the Y units of control information on the X uplink control channel resources according to the respectively selected combinations
  • the exemplary embodiments of this invention provide a method comprising: determining that there are X uplink control channel resources available for uplink signaling; sub-channelizing each of the X uplink control channel resources into a plurality of sub-channels that each defines a unique time instant; selecting for each of Y units of control information a unique combination of one of the sub-channels and a modulation, in which X and Y are each integers greater than one; and sending the Y units of control information on the X uplink control channel resources according to the respectively selected combinations.
  • the exemplary embodiments of this invention provide a computer readable memory storing computer program instructions.
  • the stored computer programs instructions when executed by at least one processor the stored computer programs instructions result in actions comprising: determining that there are X uplink control channel resources available for uplink signaling; sub-channelizing each of the X uplink control channel resources into a plurality of sub-channels that each defines a unique time instant; selecting for each of Y units of control information a unique combination of one of the sub-channels and a modulation, in which X and Y are each integers greater than one; and sending the Y units of control information on the X uplink control channel resources according to the respectively selected combinations.
  • FIG. 1 reproduces FIG. 4 of 3GPP TS 36.300, and shows the overall architecture of the E-UTRAN system.
  • FIG. 2 is a schematic diagram showing five adjacent 20 MHz bandwidths that together make up a 100 MHz bandwidth for LTE-A.
  • FIG. 3A shows a simplified block diagram of various electronic devices that are suitable for use in practicing the exemplary embodiments of this invention.
  • FIG. 3B shows a more particularized block diagram of a user equipment such as that shown at FIG. 3A .
  • FIG. 4A is a tabular illustration of the Data/Reference Signal-based sub-channelization according to an exemplary embodiment of the invention.
  • FIG. 4B is similar to FIG. 4A but illustrating a slot-based sub-channelization according to an exemplary embodiment of the invention.
  • FIGS. 5A-5B plot performance of simulations comparing exemplary embodiments of the invention against other techniques for uplink control channels.
  • FIG. 6 is a logic flow diagram that illustrates the operation of a method, and a result of execution of computer program instructions embodied on a computer readable memory, in accordance with the exemplary embodiments of this invention.
  • a PUCCH resource may be considered to be defined by a combination of cyclic shift and cover code.
  • the exemplary control signaling scheme detailed below is capable of increasing the payload/performance on the PUCCH in any of the formats 1a/1b as compared to current payload/performance on the existing PUCCH for those same formats in Rel-8.
  • DTX and cubic metric CM are terms well known in the art; DTX in the context of uplink control signaling of ACK/NAK bits concerns pre-defined codewords of a physical downlink shared channel PDSCH. Where it appears that a DL resource allocation transmitted on the PDCCH has failed, the UE has no reason to transmit ACK/NAK in the UL. This is the DTX from the ACK/NAK signaling point of view.
  • CM is the metric of the actual reduction in power capability, or power de-rating, of a typical power amplifier in a mobile handset/UE. It is seen as a more effective metric than peak-to-average power ratio (PAR) which was commonly used in the recent past.
  • PAR peak-to-average power ratio
  • Exemplary embodiments of the invention begin from the assumption that there are two or more PUCCH resources (Format 1a/1b) from the whole PUCCH resource set are available to an individual UE. As noted in background above and consistent with Rel-8, each of these two PUCCH resources may be applied to a Reference Signal (RS) part or a Data part. According to an exemplary embodiment of these teachings, each of those two PUCCH resources may be applied on two sub-channels.
  • RS Reference Signal
  • the sub-channelization is based on selecting a PUCCH resource on the existing data/RS division in format 1a/1b (shown at FIG. 4A ); in another example the sub-channelization is based on selecting PUCCH resource on each slot (shown at FIG. 4B ). While these two examples are detailed with particularity below, they do not represent the extent of all sub-channelization techniques; others may be employed consistent with the broader teachings herein, particularly for use outside of LTE Rel-8 and Rel-9.
  • the sub-channels are formed in such a way that only one of the available sub-channels (e.g., the data block or the RS block for the FIG.
  • control information (the individual bits for an individual ACK/NAK, for example) is carried as a combination of sub-channel resource selection and modulation.
  • FIG. 3A illustrating a simplified block diagram of various electronic devices and apparatus that are suitable for use in practicing the exemplary embodiments of this invention.
  • a wireless network 1 is adapted for communication over a wireless link 11 with an apparatus, such as a mobile communication device or terminal which may be referred to as a UE 10 , via a network access node, such as a Node B (base station), and more specifically an eNB 12 . It is the wireless link 11 from the UE 10 to the eNB 12 in which the PUCCH lies.
  • the network 1 may include a network control element (NCE) 14 that may include the MME/S-GW functionality shown in FIG. 1 , and which provides connectivity with a network 1 , such as a telephone network and/or a data communications network (e.g., the internet).
  • NCE network control element
  • the UE 10 includes a controller, such as a computer or a digital data processor (DP) 10 A, a computer-readable memory medium embodied as a memory (MEM) 10 B that stores a program of computer instructions (PROG) 10 C, and a suitable radio frequency (RF) transceiver 10 D for bidirectional wireless communications with the eNB 12 via one or more antennas.
  • a controller such as a computer or a digital data processor (DP) 10 A
  • DP digital data processor
  • MEM memory
  • PROG program of computer instructions
  • RF radio frequency
  • the eNB 12 also includes a controller, such as a computer or a data processor (DP) 12 A, a computer-readable memory medium embodied as a memory (MEM) 12 B that stores a program of computer instructions (PROG) 12 C, and a suitable RF transceiver 12 D for communication with the UE 10 via one or more antennas (one shown at FIG. 3A ; typically the eNB 12 will have an antenna array).
  • the eNB 12 is coupled via a data/control path 13 to the NCE 14 .
  • the path 13 may be implemented as the S1 interface shown in FIG. 1 .
  • the eNB 12 may also be coupled to another eNB via data/control path 15 , which may be implemented as the X2 interface shown in FIG. 1 .
  • At least one of the PROGs 10 C and 12 C is assumed to include program instructions that, when executed by the associated DP, enable the device to operate in accordance with the exemplary embodiments of this invention, as will be discussed below in greater detail.
  • the exemplary embodiments of this invention may be implemented at least in part by computer software executable by the DP 10 A of the UE 10 and/or by the DP 12 A of the eNB 12 , or by hardware, or by a combination of software and hardware (and firmware).
  • the UE 10 may be assumed to also include a sub-channelization block 10 E, and the eNB 12 may include a sub-channelization mapper 12 E. These may be implemented in the respective DPs 10 A, 12 A, or in other hardware or software within the respective devices 10 , 12 .
  • the sub-channelization block 10 E enables the UE 10 to sub-channelize the PUCCHs and determine the modulations as detailed herein and to place the appropriate ACK/NAK on respective unique combinations of sub-channel and modulation for transmission over the PUCCH, and the sub-channelization mapper 12 E enables the eNB 12 to decode the ACKs/NAK bits received on the PUCCH by using the sub-channelization and modulation combination that is defined by the ACK/NAK bits.
  • the various embodiments of the UE 10 can include, but are not limited to, cellular telephones, personal digital assistants (PDAs) having wireless communication capabilities, portable computers having wireless communication capabilities, image capture devices such as digital cameras having wireless communication capabilities, gaming devices having wireless communication capabilities, music storage and playback appliances having wireless communication capabilities, Internet appliances permitting wireless Internet access and browsing, as well as portable units or terminals that incorporate combinations of such functions.
  • PDAs personal digital assistants
  • portable computers having wireless communication capabilities
  • image capture devices such as digital cameras having wireless communication capabilities
  • gaming devices having wireless communication capabilities
  • music storage and playback appliances having wireless communication capabilities
  • Internet appliances permitting wireless Internet access and browsing, as well as portable units or terminals that incorporate combinations of such functions.
  • the computer readable MEMs 10 B and 12 B may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as semiconductor based memory devices, flash memory, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory.
  • the DPs 10 A and 12 A may be of any type suitable to the local technical environment, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on a multicore processor architecture, as non-limiting examples.
  • FIG. 3B illustrates further detail of an exemplary UE in both plan view (left) and sectional view (right), and the invention may be embodied in one or some combination of those more function-specific components.
  • the UE 10 has a graphical display interface 20 and a user interface 22 illustrated as a keypad but understood as also encompassing touch-screen technology at the graphical display interface 20 and voice-recognition technology received at the microphone 24 .
  • a power actuator 26 controls the device being turned on and off by the user.
  • the exemplary UE 10 may have a camera 28 which is shown as being forward facing (e.g., for video calls) but may alternatively or additionally be rearward facing (e.g., for capturing images and video for local storage).
  • the camera 28 is controlled by a shutter actuator and optionally by a zoom actuator 32 which may alternatively function as a volume adjustment for the speaker(s) 34 when the camera 28 is not in an active mode.
  • multiple transmit/receive antennas 36 that are typically used for cellular communication.
  • the UE 10 may have four (or even more) transmit antennas 36 , while in other embodiments the UE 10 may have only one transmit antenna 36 ; in either case the different UEs can use the same sub-channelization procedures detailed herein as sub-channelization is not necessarily tied to MIMO transmission path.
  • the antennas 36 may optionally be multi-band for use with other radios in the UE.
  • the operable ground plane for the antennas 36 is shown by shading as spanning the entire space enclosed by the UE housing though in some embodiments the ground plane may be limited to a smaller area, such as disposed on a printed wiring board on which the power chip 38 is formed.
  • the power chip 38 controls power amplification on the channels being transmitted and/or across the antennas that transmit simultaneously where spatial diversity is used, and amplifies the received signals.
  • the power chip 38 outputs the amplified received signal to the radio-frequency (RF) chip 40 which demodulates and downconverts the signal for baseband processing.
  • the baseband (BB) chip 42 detects the signal which is then converted to a bit-stream and finally decoded. Similar processing occurs in reverse for signals generated in the apparatus 10 and transmitted from it.
  • Signals to and from the camera 28 pass through an image/video processor 44 which encodes and decodes the various image frames.
  • a separate audio processor 46 may also be present controlling signals to and from the speakers 34 and the microphone 24 .
  • the graphical display interface 20 is refreshed from a frame memory 48 as controlled by a user interface chip 50 which may process signals to and from the display interface 20 and/or additionally process user inputs from the keypad 22 and elsewhere.
  • the UE 10 may also include one or more secondary radios such as a wireless local area network radio WLAN 37 and a Bluetooth® radio 39 , which may incorporate an antenna on-chip or be coupled to an off-chip antenna.
  • secondary radios such as a wireless local area network radio WLAN 37 and a Bluetooth® radio 39 , which may incorporate an antenna on-chip or be coupled to an off-chip antenna.
  • various memories such as random access memory RAM 43 , read only memory ROM 45 , and in some embodiments there is a removable memory such as the illustrated memory card 47 on which the various programs 10 C are stored. All of these components within the UE 10 are normally powered by a portable power supply such as a battery 49 .
  • the aforesaid processors 38 , 40 , 42 , 44 , 46 , 50 may operate in a slave relationship to the main processor 10 A, 12 A, which may then be in a master relationship to them.
  • Exemplary embodiments of this invention as to the sub-channelization and modulation may be implemented in the baseband chip 42 , though it is noted that other embodiments need not be disposed there but may be disposed across various chips and memories as shown or disposed within another processor that combines some of the functions described above for FIG. 3B . Any or all of these various processors of FIG. 3B access one or more of the various memories, which may be on-chip with the processor or separate therefrom.
  • Similar function-specific components that are directed toward communications over a network broader than a piconet may also be disposed in exemplary embodiments of the access node 12 , which may have an array of tower-mounted antennas rather than the two shown at FIG. 3B .
  • the UE 10 has two or more PUCCH resources (format 1a/1b) that are available to it from the overall set of PUCCH resources.
  • PUCCH resources format 1a/1b
  • two PUCCH resources may correspond to different control channel elements CCEs of one DL resource grant; one PUCCH channel may be derived based on the lowest CCE of the corresponding DL grant while the second PUCCH channel can be determined based on a logical offset value with respect to the first PUCCH channel (e.g., where the offset value can be defined in a dynamic or in a semi-static way); or both PUCCH channels can be derived based on the channel selection.
  • PUCCH uplink control channel
  • the control channel resources are the PUCCHs (format 1a/1b) in these examples
  • the uplink signaling is ACK and/or NAK signaling, and where X is an integer greater than one.
  • X PUCCH resources are available simultaneously. They are available to the UE and the eNB is expecting signaling from that UE on those PUCCHs.
  • the UE sub-channelizes each of the X uplink control channel resources into a plurality of sub-channels that each defines a unique time instant.
  • ORT orthogonal resource transmission diversity
  • Sub-channel 0 is defined as the data part and sub-channel 1 is defined as the RS part.
  • bit sequence “00” is conveyed via applying resource # 0 to sub-channel 0 and applying resource # 0 to sub-channel 1 . Similar holds true for other bit sequences.
  • a more balanced power per occupied PUCCH channel can be achieved if the selected PUCCH resources are swapped between the data block and RS block at the slot boundary. So for example, the bit sequence “01” can be transmitted in slot # 0 as (Data (“8”), RS (“0”)); and then at slot # 1 as (Data (“0”), RS (“8”)).
  • the sub-channelization is based on selecting one of the X available PUCCH resources on one certain slot within the subframe. This is termed herein as slot-based ORT, or inter-slot ORT since the sub-channelization is among the different slots.
  • slot-based ORT or inter-slot ORT since the sub-channelization is among the different slots.
  • sub-channel 0 is defined as slot 0 of the subframe
  • sub-channel 1 is defined as slot 1 of the subframe.
  • the different slots 0 and 1 of the PUCCH of course occur at different time instants.
  • the bit sequence “00” is conveyed via applying resource # 0 to sub-channel 0 and applying resource # 0 to sub-channel 1 . Similar holds true for other bit sequences.
  • FIGS. 4A-4B are identical but can easily be changed in any specific implementation so long as the UE 10 and eNB 12 both know in advance the mapping between bit sequence and resource index number.
  • the bit sequences 00, 01, 10, and 11 each map to a unique combination of the available PUCCH resources.
  • resource selection for each sub-channel could be used to convey up to two ACK/NAK bits (though of course one bit mapping is also an option depending on the mapping of bit sequences and resources within the sub-channels, so for example bit “0” can correspond to resource number “0,0” and bit “1” can correspond to resource number “8,8”).
  • 1 or 2 ACK/NAK bit(s) could be conveyed via BPSK or QPSK modulation.
  • the UE is enabled to transmit up to four bits using only two available PUCCH resources, i.e., up to two bits by means of sub-channel selection and (one or) two additional bits using a known PUCCH symbol modulation technique via the selected sub-channel.
  • the payload on the PUCCH Format 1a/1b is increased, with cubic metric corresponding to a single code transmission.
  • a reference case for comparison would be concurrent transmission via two PUCCH Format 1b channels (multi-code). Implementations according to these teachings improve over the above comparison reference case in that the cubic metric increment which is caused in the reference case by its multi-code transmissions, can be avoided in an implementation according to the above exemplary embodiments of this invention due to the design of the sub-channels. Additionally, the reference case suffers from the power split between the parallel code channels; and further for the implementation according to these teachings the increased payload can be used not only for ACK/NAK signaling but also other control signals such as a scheduling request.
  • the two resources can be PUCCH Format 1 and PUCCH Format 1a/1b, instead of two PUCCH Format 1a/1b resources.
  • Nx5 ACK/NAK bits during a single subframe, where N corresponds to DL/UL ratio in the subframe.
  • the above exemplary embodiments enable an increased ACK/NAK payload when using PUCCH Format 1a/1b resources. More than four ACK/NAK bits can be supported by combining the Rel-8 TDD PUCCH channel selection with the exemplary embodiments set forth above.
  • the inventors have conducted link level simulations to evaluate performance under the assumptions of 4 bits/subframe being transmitted, the available PUCCH resources were two Format 1b channels (R1 and R2), and the ratio of transmit to receive antennas was 1 ⁇ 2.
  • implementations of the exemplary embodiments do not require multiple antennas at UE side, but when there is multiple antennas available, further gain can be achieved by combining the Data/RS-based ORT (intra-slot sub-channelization) or slot-based ORT (inter-slot sub-channelization) with transmit precoding/beamforming among the multiple transmission antennas.
  • Data/RS-based ORT intra-slot sub-channelization
  • slot-based ORT inter-slot sub-channelization
  • the Data/RS-based ORT requires that two occupied PUCCH resources are located in the same PRB, and the slot-based ORT requires certain coordination between the occupied PUCCH resources (in the case of single-CC), in order to guarantee that frequency diversity provided by slot-based frequency hopping is maintained.
  • This coordination is that the occupied PUCCH resources are allocated in such manner that both locate in odd or even PRBs.
  • FIG. 6 is a logic flow diagram that illustrates the operation of a method, an apparatus such as a UE, and a result of execution of computer program instructions stored on a computer readable memory, in accordance with the exemplary embodiments of this invention.
  • each of the X uplink control channel resources is sub-channelized into a plurality of sub-channels that each defines a unique time instant or point in time.
  • Y units of control information there is selected for each of Y units of control information a unique combination of one of the sub-channels and a modulation, and at block 608 the Y units of control information are sent on the X uplink control channel resources according to the respectively selected combinations.
  • X and Y are each integers greater than one.
  • the method, apparatus and computer program detailed at FIG. 6 is characterized in that the plurality of sub-channels comprise a data part and a reference signal part of an individual slot.
  • the method, apparatus and computer program detailed at FIG. 6 is characterized in that the plurality of sub-channels comprise different slots, and the slots are adjacent to one another.
  • the various blocks shown in FIG. 6 may be viewed as method steps, and/or as operations that result from operation of computer program code, and/or as a plurality of coupled logic circuit elements constructed to carry out the associated function(s).
  • the various exemplary embodiments may be implemented in hardware or special purpose circuits, software, logic or any combination thereof.
  • some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the invention is not limited thereto.
  • firmware or software which may be executed by a controller, microprocessor or other computing device, although the invention is not limited thereto.
  • While various aspects of the exemplary embodiments of this invention may be illustrated and described as block diagrams, flow charts, or using some other pictorial representation, it is well understood that these blocks, apparatus, systems, techniques or methods described herein may be implemented in, as nonlimiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the integrated circuit, or circuits may comprise circuitry (as well as possibly firmware) for embodying at least one or more of a data processor or data processors, a digital signal processor or processors, baseband circuitry and radio frequency circuitry that are configurable so as to operate in accordance with the exemplary embodiments of this invention.
  • connection means any connection or coupling, either direct or indirect, between two or more elements, and may encompass the presence of one or more intermediate elements between two elements that are “connected” or “coupled” together.
  • the coupling or connection between the elements can be physical, logical, or a combination thereof.
  • two elements may be considered to be “connected” or “coupled” together by the use of one or more wires, cables and/or printed electrical connections, as well as by the use of electromagnetic energy, such as electromagnetic energy having wavelengths in the radio frequency region, the microwave region and the optical (both visible and invisible) region, as several non-limiting and non-exhaustive examples.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120218881A1 (en) * 2010-08-16 2012-08-30 Zte Corporation Method and system for acknowledgment/negative acknowledgment feedback on physical uplink control channel
US20130176924A1 (en) * 2010-06-21 2013-07-11 Ntt Docomo, Inc. Mobile terminal apparatus and radio communication method
US20150055519A1 (en) * 2012-03-09 2015-02-26 China Academy Of Telecommunications Technology Harq feedback implementation method and device

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101729550B1 (ko) * 2009-03-23 2017-04-24 엘지전자 주식회사 Ａｃｋ／ｎａｃｋ을 전송하는 방법 및 장치
EP2443769B1 (en) * 2009-06-18 2018-03-28 LG Electronics Inc. Method for transmitting packet downlink ack/nack information in a wireless communication system and apparatus for the same
JP2013516916A (ja) 2010-01-08 2013-05-13 インターデイジタル パテント ホールディングス インコーポレイテッド キャリア集約におけるチャネルリソースマッピングのための方法および装置
EP2385651A3 (en) * 2010-05-06 2012-07-25 HTC Corporation Method of handling an uplink control channel and related communication device
US8848686B1 (en) 2010-07-30 2014-09-30 Applied Micro Circuits Corporation Single carrier-frequency-division multiple access (SC-FDMA) physical uplink control channel (PUCCH) 2/2a/2b detection
US8897118B1 (en) 2010-07-30 2014-11-25 Applied Micro Circuits Corporation Single carrier-frequency-division multiple access (SC-FDMA) physical uplink control channel (PUCCH) 1/1a/1b detection
US8797954B2 (en) * 2010-09-28 2014-08-05 Blackberry Limited Efficient signaling of discontinuous transmission
JP5608823B2 (ja) 2010-12-13 2014-10-15 エルジー エレクトロニクス インコーポレイティド Ｔｄｄベースの無線通信システムにおけるａｃｋ／ｎａｃｋ送信方法及び装置
KR101165643B1 (ko) 2010-12-20 2012-07-17 엘지전자 주식회사 Ａｃｋ/ｎａｃｋ 전송방법 및 사용자기기와, ａｃｋ/ｎａｃｋ 수신방법 및 기지국
KR101575442B1 (ko) 2010-12-28 2015-12-07 엘지전자 주식회사 Tdd 기반 무선 통신 시스템에서 신호 송수신 방법 및 장치
CN102291227B (zh) * 2011-06-30 2013-07-10 电信科学技术研究院 一种发送和接收反馈信息的方法、系统及装置
US9621323B2 (en) * 2011-07-14 2017-04-11 Lg Electronics Inc. Method for transmitting control information and apparatus for same
JP6150487B2 (ja) * 2012-10-09 2017-06-21 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局、無線通信システム及び無線通信方法
US10182406B2 (en) 2015-03-09 2019-01-15 Comcast Cable Communications, Llc Power headroom report for a wireless device and a base station
US9820298B2 (en) 2015-03-09 2017-11-14 Ofinno Technologies, Llc Scheduling request in a wireless device and wireless network
US9820264B2 (en) 2015-03-09 2017-11-14 Ofinno Technologies, Llc Data and multicast signals in a wireless device and wireless network
US10327236B2 (en) 2015-03-09 2019-06-18 Comcast Cable Communications, Llc Secondary cell in a wireless device and wireless network
US10700845B2 (en) 2015-03-09 2020-06-30 Comcast Cable Communications, Llc Secondary cell deactivation in a wireless device and a base station
US11641255B2 (en) 2015-04-05 2023-05-02 Comcast Cable Communications, Llc Uplink control information transmission in a wireless network
US9877334B2 (en) 2015-04-05 2018-01-23 Ofinno Technologies, Llc Cell configuration in a wireless device and wireless network
US9894681B2 (en) 2015-06-12 2018-02-13 Ofinno Technologies, Llc Uplink scheduling in a wireless device and wireless network
US10200177B2 (en) 2015-06-12 2019-02-05 Comcast Cable Communications, Llc Scheduling request on a secondary cell of a wireless device
US9948487B2 (en) 2015-06-15 2018-04-17 Ofinno Technologies, Llc Uplink resource allocation in a wireless network
WO2017038894A1 (ja) * 2015-09-02 2017-03-09 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
US10243929B2 (en) * 2016-03-30 2019-03-26 Qualcomm Incorporated Uplink control channel scheduling for jamming resilience
RU2760318C2 (ru) 2017-03-14 2021-11-23 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Способы агрегирования, базовые станции gnodebs, пользовательские устройства и носитель для хранения
US10903969B2 (en) * 2017-03-23 2021-01-26 Apple Inc. Modular control channel formats for uplink control information in a cellular communication system
JP7129741B2 (ja) * 2017-11-16 2022-09-02 株式会社Ｎｔｔドコモ 端末、無線通信方法及びシステム
CN110661603A (zh) * 2018-06-29 2020-01-07 维沃移动通信有限公司 Pucch的传输方法、终端设备和网络设备
CN109714288B (zh) * 2019-01-31 2022-01-07 西南电子技术研究所（中国电子科技集团公司第十研究所） 降低ofdm信号立方度量的限幅滤波方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6980540B1 (en) * 2000-08-16 2005-12-27 Lucent Technologies Inc. Apparatus and method for acquiring an uplink traffic channel, in wireless communications systems
CN101247171A (zh) * 2007-02-16 2008-08-20 北京三星通信技术研究有限公司 使用约定资源发送控制信道的设备和方法
US20080310547A1 (en) 2007-06-08 2008-12-18 Nokia Siemens Networks Oy Multi-code precoding for sequence modulation
KR101457685B1 (ko) * 2007-08-10 2014-11-03 삼성전자주식회사 셀룰러 무선 통신 시스템에서 애크/내크의 송수신 방법 및 장치
KR101467567B1 (ko) * 2007-08-14 2014-12-04 엘지전자 주식회사 스케줄링 요청 신호의 전송방법
US8077693B2 (en) * 2007-09-19 2011-12-13 Samsung Electronics Co., Ltd. Resource remapping and regrouping in a wireless communication system
US8559946B2 (en) * 2008-02-08 2013-10-15 Qualcomm Incorporated Discontinuous transmission signaling over an uplink control channel
US8699426B2 (en) * 2008-03-26 2014-04-15 Qualcomm Incorporated Method and apparatus for resource allocation in wireless communication systems
US8160008B2 (en) * 2008-03-28 2012-04-17 Apple Inc. Techniques for channel sounding in a wireless communication system
US8634333B2 (en) * 2008-05-07 2014-01-21 Qualcomm Incorporated Bundling of ACK information in a wireless communication system
JP5468066B2 (ja) * 2008-05-21 2014-04-09 ノキア シーメンス ネットワークス オサケユキチュア Ｐｕｃｃｈ構成による任意のシステム帯域幅のためのｌｔｅｕｌシステムの実施
EP2353320A1 (en) 2008-11-03 2011-08-10 Nokia Siemens Networks Oy Transmitting scheduling request with multiple antennas
CN102326351B (zh) 2009-03-18 2015-11-25 诺基亚通信公司 调度数据的方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130176924A1 (en) * 2010-06-21 2013-07-11 Ntt Docomo, Inc. Mobile terminal apparatus and radio communication method
US8902819B2 (en) * 2010-06-21 2014-12-02 Ntt Docomo, Inc. Mobile terminal apparatus and radio communication method
US20120218881A1 (en) * 2010-08-16 2012-08-30 Zte Corporation Method and system for acknowledgment/negative acknowledgment feedback on physical uplink control channel
US8787224B2 (en) * 2010-08-16 2014-07-22 Zte Corporation Method and system for acknowledgment/negative acknowledgment feedback on physical uplink control channel
US20150055519A1 (en) * 2012-03-09 2015-02-26 China Academy Of Telecommunications Technology Harq feedback implementation method and device
US9515782B2 (en) * 2012-03-09 2016-12-06 China Academy Of Telecommunications Technology HARQ feedback implementation method and device

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US9143289B2 (en) 2015-09-22
US20100303035A1 (en) 2010-12-02
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JP2012528502A (ja) 2012-11-12
CN102461055A (zh) 2012-05-16
KR20120027406A (ko) 2012-03-21
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WO2010136399A1 (en) 2010-12-02
EP2436137A1 (en) 2012-04-04

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