Abstract
A method of transmitting acknowledgement/nonacknowledgement (ACK/NACK) signals including multiplexing ACK/NACK signals; and repeatedly transmitting for predetermined times the multiplexed signal with each of repetitions of transmitting the multiplexed signal being spread in a frequency domain and being mapped to a plurality of discrete resource units each having a pair of neighboring subcarriers and a predetermined number of Orthogonal Frequency Division Multiplexing (OFDM) control symbols.
A method for transmitting Category 0 bits including modulating the Category 0 bits; repeatedly transmitting the modulated Category 0 bits with each of repetitions of transmitting the modulated Category 0 bits being spread in a frequency domain and being mapped to a plurality of discrete resource units each having a pair of subcarriers and a predetermined number of OFDM control symbols; and mapping the modulated Category 0 bits by a frequency selective transmit diversity (FSTD).
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Multiplexing
Product
Base Station (eNB/gNB)
Use Cases
Wireless communication
Services
Transmitting/receiving data in downlink
Claim
1. A method for transmitting a signal, comprising steps of:
generating a control signal;
modulating the control signal to generate modulated symbols according to a specified modulation scheme;
resource mapping the modulated symbols on one or more resource units using a Space Frequency Block Coding (SFBC) technique;
transmitting the symbols on the one or more resources units through at least two antennas.', 'generating a control signal;', 'modulating the control signal to generate modulated symbols according to a specified modulation scheme;', 'resource mapping the modulated symbols on one or more resource units using a Space Frequency Block Coding (SFBC) technique;', 'transmitting the symbols on the one or more resources units through at least two antennas.
2. The method of claim 1, further comprising generating the control signal using Code Division Multiplexing (CDM) control information.
3. The method of claim 2, further comprising generating the control signal using the Code Division Multiplexing (CDM) control information comprising at least one of a spreading technique and a scrambling technique.
4. The method of claim 3, wherein the scrambling technique comprises cell-specific scrambling.
5. The method of claim 1, wherein the modulation scheme comprises a Binary Phase Shift Keying (BPSK) modulation scheme.
6. The method of claim 1, wherein the resources units comprise frequency resources units in a frequency domain and Orthogonal Frequency Division Multiplexing (OFDM) symbol resources units in a time domain.
7. The method of claim 6, wherein number of the OFDM symbol resource units in the time domain within a sub-frame comprises 1, 2, or 3 OFDM symbols.
8. The method of claim 1, wherein mapping the modulated symbols further comprises selecting, using a Frequency Selective Transmit Diversity (FSTD) technique, at least one transmission antenna for transmission of the control signal at a time.
9. A transmitter chain comprising:
a modulator configured to receive a control signal and modulate the control signal to generate modulated symbols according to a specified modulation scheme;
an encoder configured to map the modulated symbols on one or more resource units using a Space Frequency Block Coding (SFBC) technique; and
a front end processing unit configured to transmit the mapped symbols on the one or more resource units through at least two antennas.', 'a modulator configured to receive a control signal and modulate the control signal to generate modulated symbols according to a specified modulation scheme;', 'an encoder configured to map the modulated symbols on one or more resource units using a Space Frequency Block Coding (SFBC) technique; and', 'a front end processing unit configured to transmit the mapped symbols on the one or more resource units through at least two antennas
10. The transmitter chain of claim 9, wherein the control signal is generated using Code Division Multiplexing (CDM) control information
11. The transmitter chain of claim 10, wherein the Code Division Multiplexing (CDM) control information comprises at least one of a spreading technique and a scrambling technique
12. The transmitter chain of claim 11, wherein the scrambling technique comprises cell-specific scrambling
13. The transmitter chain of claim 9, wherein the modulation scheme comprises a Binary Phase Shift Keying (BPSK) modulation scheme
14. The transmitter chain of claim 9, wherein the one or more resource units comprise one or more frequency resource units in a frequency domain and Orthogonal Frequency Division Multiplexing (OFDM) symbol resource units in a time domain
15. The transmitter chain of claim 14, wherein number of the OFDM symbol resources in the time domain within a sub-frame comprise 1, 2, or 3 OFDM symbols
16. The transmitter chain of claim 9, wherein the encoder is configured to map the modulated symbols on one or more resource units further comprises selecting, using a Frequency Selective Transmit Diversity (FSTD) technique, at least one transmission antenna for transmission of the control signal at a time
17. A method for receiving a signal comprising the steps of:
receiving subcarriers comprising mapped symbols with control signal information from a base station;
decoding the mapped symbols according to one or more resource units using a Space Frequency Block Coding (SFBC) technique; and
demodulating the decoded symbols to obtain the control signal information according to a specified demodulation scheme.', 'receiving subcarriers comprising mapped symbols with control signal information from a base station;', 'decoding the mapped symbols according to one or more resource units using a Space Frequency Block Coding (SFBC) technique; and', 'demodulating the decoded symbols to obtain the control signal information according to a specified demodulation scheme
18. The method of claim 17, wherein the control signal is generated using Code Division Multiplexing (CDM) control information
19. The method of claim 17, wherein the demodulation scheme comprises a Binary Phase Shift Keying (BPSK) demodulation scheme.
20. The method of claim 17, wherein decoding the mapped symbols further comprises selecting, using a Frequency Selective Transmit Diversity (FSTD) technique, at least one antenna for receiving the control signal at a time.']
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