Abstract
A system and method for random access in a wireless communication system including a base station and a wireless terminal whereby at the wireless terminal selecting as information to perform random access using the information first information used for first random access or second information used for second random access.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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4G | 26/10/2016 | ISLD-201701-005 | FUJITSU LIMITED |
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5G | 31/10/2018 | ISLD-201812-034 | FUJITSU LIMITED | Yes | Family Member |
Specification Information
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Technologies


Product


Use Cases

Services

Claim
1. A method for random access in a wireless communication system including a base station and a wireless terminal, the method comprising:
at the wireless terminal,
controlling to perform only one random access among first random access and second random access at any point in time in the wireless communication system where the first random access and the second random access are specified, wherein
the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access.', 'at the wireless terminal,', 'controlling to perform only one random access among first random access and second random access at any point in time in the wireless communication system where the first random access and the second random access are specified, wherein', 'the controlling includes:', 'selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and', 'proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access.
2. The method for random access according to claim 1, wherein the first information is a first random access preamble and the second information is a second random access preamble.
3. The method for random access according to claim 1, wherein the wireless terminal transmits an identifier which identifies the wireless terminal.
4. The method for random access according to claim 1, wherein the wireless terminal receives the first information used for the first random access from the base station.
5. The method for random access according to claim 1, wherein the wireless terminal receives the second information used for the second random access from the base station.
6. A wireless communication system comprising:
a base station; and
a wireless terminal communicating with the base station,
the wireless terminal controlling to perform only one random access among first random access and second random access at any point in time in the wireless communication system where the first random access and the second random access are specified, wherein
the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access, and
the base station performs a data communication with the wireless terminal.', 'a base station; and', 'a wireless terminal communicating with the base station,', 'the wireless terminal controlling to perform only one random access among first random access and second random access at any point in time in the wireless communication system where the first random access and the second random access are specified, wherein', 'the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access, and', 'selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and', 'proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access, and', 'the base station performs a data communication with the wireless terminal.
7. A wireless terminal comprising:
an access judging unit that controls to perform only one random access among first random access and second random access at any point in time in a wireless communication system where the first random access and the second random access are specified, wherein the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access; and
a transmitting-and-receiving unit that transmits the selected information.', 'an access judging unit that controls to perform only one random access among first random access and second random access at any point in time in a wireless communication system where the first random access and the second random access are specified, wherein the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access; and', 'selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and', 'proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access; and', 'a transmitting-and-receiving unit that transmits the selected information.
8. A base station comprising:
a signature managing unit that manages information used for random access and allocates the information for a wireless terminal; and
a transmitting-and-receiving unit that receives information selected by the wireless terminal which controls to perform only one random access among first random access and second random access at any point in time in a wireless communication system where the first random access and the second random access are specified, wherein the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access.', 'a signature managing unit that manages information used for random access and allocates the information for a wireless terminal; and', 'a transmitting-and-receiving unit that receives information selected by the wireless terminal which controls to perform only one random access among first random access and second random access at any point in time in a wireless communication system where the first random access and the second random access are specified, wherein the controlling includes:
selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and
proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access.', 'selecting information among first information used for the first random access and second information used for the second random access, in a case of receiving a new request requesting for one random access among the first random access and the second random access while another random access among the first random access and the second random access is already ongoing; and', 'proceeding with only one random access using the selected information from the selecting, among the first random access and the second random access.']
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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