Abstract
A user terminal in a radio communication system in which each of user terminals performs multiplexing of a data signal and a pilot signal and transmits the multiplexed signal to a base station using different data transmission band frequencies that are assigned by the base station the user terminal includes a receiving unit that receives uplink resource information from a base station. A pilot generation unit that generates a pilot signal based on the uplink resource information and a transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station where the pilot generation unit includes a sequence generation unit that generates a Zadoff-Chu sequence as a pilot signal based on the uplink resource information and a subcarrier mapping unit that performs mapping of a sequence generated by cyclically copying the Zadoff-Chu sequence.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Signal Processing Resource configuration
Product
Not Available
Use Cases
Wireless communication
Services
Not Available
Claim
1. A user terminal in a radio communication system, in which each of user terminals performs multiplexing of a data signal and a pilot signal and transmits the multiplexed signal to a base station using different data transmission band frequencies that are assigned by the base station, the user terminal comprising:
a receiving unit that receives uplink resource information from a base station;
a pilot generation unit that generates a pilot signal based on the uplink resource information; and
a transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station;
wherein the pilot generation unit comprises:
a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and
a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.', 'a receiving unit that receives uplink resource information from a base station;', 'a pilot generation unit that generates a pilot signal based on the uplink resource information; and', 'a transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station;', 'wherein the pilot generation unit comprises:
a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and
a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.', 'a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and', 'a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.
2. A communication method for user terminal in a radio communication system in which each of user terminals performs multiplexing of a data signal and a pilot signal and transmits the multiplexed signal to a base station using different data transmission band frequencies that are assigned by the base station, the communication method comprising:
receiving uplink resource information from a base station; and
generating a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information;
performing mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence; and
transmitting the mapped pilot signal to the base station.', 'receiving uplink resource information from a base station; and', 'generating a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information;', 'performing mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence; and', 'transmitting the mapped pilot signal to the base station.
3. A radio communication system, in which each of user terminals performs multiplexing of a data signal and a pilot signal and transmits the multiplexed signal to a base station using different data transmission band frequencies that are assigned by the base station, the radio communication system comprising: the base station and the user terminals,
wherein the base station includes:
a first transmitting unit that transmits an uplink resource information to each of the user terminals; and
wherein the each of the user terminals includes:
a receiving unit that receives the uplink resource information from the base station;
a pilot generation unit that generates a pilot signal based on the uplink resource information; and
a second transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station;
wherein the pilot generation unit comprises:
a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and
a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.', 'wherein the base station includes:', 'a first transmitting unit that transmits an uplink resource information to each of the user terminals; and', 'wherein the each of the user terminals includes:
a receiving unit that receives the uplink resource information from the base station;
a pilot generation unit that generates a pilot signal based on the uplink resource information; and
a second transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station;
wherein the pilot generation unit comprises:
a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and
a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.', 'a receiving unit that receives the uplink resource information from the base station;', 'a pilot generation unit that generates a pilot signal based on the uplink resource information; and', 'a second transmitting unit that transmits the pilot signal generated by the pilot generation unit to the base station;', 'wherein the pilot generation unit comprises:
a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and
a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.', 'a sequence generation unit that generates a Zadoff-Chu sequence with a first sequence length of a prime number as a pilot signal based on the uplink resource information; and', 'a subcarrier mapping unit that performs mapping of a sequence with a second sequence length which is longer than the first sequence length generated by cyclically copying the Zadoff-Chu sequence.']
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