Abstract
Random access technology is provided for establishing an individual channel between a radio communication terminal device and a base station device in a short time and a radio communication terminal device executing the random access method. A RACH sub-channel allocation unit allocates a transmission packet input from a replication unit to an arbitrary sub-carrier at the RACH arbitrary time slot at random. An allocation unit judges whether an overlap is generated in the allocation result obtained by the RACH sub-channel allocation unit.
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Specification Information
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
Random access Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A terminal apparatus comprising:
a receiver configured to receive information transmitted from a base station apparatus;
signal generating circuitry configured to generate, based on received information from the base station, a random access signal requesting service from the base station apparatus and including a random access sequence of bits repeated twice successively in a time domain, and
a transmitter configured to transmit the random access signal, from the terminal apparatus to the base station apparatus over a random access channel, without waiting for a response from the base station apparatus to confirm whether either of the random access sequences of bits has been received at the base station apparatus,
wherein the transmitted random access signal includes the random access sequence of bits in one time slot and the repeated random access sequence of bits in a second, different time slot.
2. The terminal apparatus in claim 1, wherein the random access channel includes one or more of a time slot, frequency, or spreading code.
3. The terminal apparatus in claim 1, wherein the random access channel is associated with radio resources, and wherein the transmitter is configured to transmit the random access signal using a radio resource selected at random from radio resource candidates.
4. The terminal apparatus in claim 1, wherein the received information is a predetermined number.
5. The terminal apparatus in claim 1, wherein the random access sequence of bits and the repeated random access sequence of bits are consecutive in the time domain.
6. The terminal apparatus in claim 1, wherein the transmitter is configured to transmit the random access signal on at least two consecutive time slots.
7. A method implemented in a terminal comprising:
receiving information transmitted from a base station apparatus;
generating, based on received information from the base station, a random access signal requesting service from the base station apparatus and including a random access sequence of bits repeated twice successively in a time domain, and
transmitting the random access signal, from the terminal apparatus to the base station apparatus over a random access channel, without waiting for a response from the base station apparatus to confirm whether either of the random access sequences of bits has been received at the base station apparatus,
wherein the transmitted random access signal includes the random access sequence of bits in one time slot and the repeated random access sequence of bits in a second, different time slot.
8. The method in claim 7, wherein the random access channel includes one or more of a time slot, frequency, or spreading code.
9. The method in claim 7, wherein the random access channel is associated with radio resources, and wherein the random access signal is transmitted using a radio resource selected at random from radio resource candidates.
10. The method in claim 7, wherein the received information is a predetermined number.
11. The method in claim 7, wherein the random access sequence of bits and the repeated random access sequence of bits are consecutive in the time domain.
12. The method in claim 7, wherein the random access signal is transmitted on at least two consecutive time slots.
13. A terminal apparatus comprising:
a receiver configured to receive in a terminal information transmitted from a base station; and
signal generating circuitry configured to generate, based on received information from the base station, a random access signal requesting service for the terminal from the base station and including a first random access sequence of bits and a second random access sequence of bits which are successive in a time domain and which are identical sequences of bits, and
a transmitter configured to transmit the random access signal, from the terminal apparatus to the base station over a random access channel, without waiting for a response from the base station to confirm whether the first random access sequence of bits or the second random access sequence of bits has been received at the base station,
wherein the transmitted random access signal includes the first and second random access sequences of bits in different time slots.
14. The terminal apparatus in claim 13, wherein the random access channel includes one or more of a time slot, frequency, or spreading code.
15. The terminal apparatus in claim 13, wherein the random access channel is associated with radio resources, and wherein the transmitter is configured to transmit the random access signal using a radio resource selected at random from radio resource candidates.
16. The terminal apparatus in claim 13, wherein the received information is a predetermined number.
17. The terminal apparatus in claim 13, wherein the first and second random access sequences of bits are consecutive in the time domain.
18. The terminal apparatus in claim 13, further comprising transmitting the random access signal on at least two consecutive time slots.
19. A method comprising:
receiving in a terminal information transmitted from a base station;
generating, based on received information from the base station, a random access signal requesting service for the terminal from the base station and including a first random access sequence of bits and a second random access sequence of bits which are successive in a time domain and which are identical sequences of bits, and
transmitting the random access signal, from the terminal apparatus to the base station over a random access channel, without waiting for a response from the base station to confirm whether the first random access sequence of bits or the second random access sequence of bits has been received at the base station,
wherein the transmitted random access signal includes the first and second random access sequences of bits in different time slots.
20. The method in claim 19, wherein the received information is a predetermined number.
21. The method in claim 19, wherein the first and second random access sequences of bits are consecutive in the time domain.
22. The method in claim 19, further comprising transmitting the random access signal on at least two consecutive time slots.
Associated Portfolios
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.