COMMUNICATION TERMINAL APPARATUS, COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND RESOURCE ALLOCATION REQUEST METHOD

• US 20110136528A1
• Filed: 02/09/2011
• Published: 06/09/2011
• Est. Priority Date: 02/07/2007
• Status: Abandoned Application

• Current Assignee: Daiichiro Nakashima, Katsunari Uemura, Kimihiko Imamura, Shohei Yamada, Waho Oh, Yasuo Sugawara, Yasuyuki Kato
• Original Assignee: Daiichiro Nakashima, Katsunari Uemura, Kimihiko Imamura, Shohei Yamada, Waho Oh, Yasuo Sugawara, Yasuyuki Kato
• Inventors: Sugawara, Yasuo, Uemura, Katsunari, Nakashima, Daiichiro, Imamura, Kimihiko, Oh, Waho, Kato, Yasuyuki, Yamada, Shohei
• Application Number:
  US13/024,168
• Publication Number:
  US 20110136528A1
• Time in Patent Office: Days
• US Class Current: 455/509
• CPC Class Codes: H04J 13/0059 CAZAC [constant-amplitude and zero auto-correlation]
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 12/40013 Details regarding a bus controller
• CPC Class Codes: H04L 27/2613 Structure of the reference signals
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 56/0005 synchronizing of arrival of multiple uplinks
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network

Abstract

A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus 200 performs wireless transmission to a communication control apparatus 100. The communication terminal apparatus includes: a determination unit 210 determining whether to make resource request to the communication control apparatus 100; and a signal control unit 211 which transmits a signal used to maintain time-frequency synchronization with the communication control apparatus 100 to the communication control apparatus 100 according to a first transmission procedure for maintaining the synchronization, while transmitting the signal to the communication control apparatus 100 according to a second transmission procedure indicating resource request when the determination unit 210 has determined to make resource request.

Claims

1. A mobile station which is applied to a wireless communication system, in which a base station allocates resources used when said mobile station performs wireless transmission to said base station, and transmits a reference signal at a predetermined timing to said base station, said mobile station stopping the transmission of said reference signal when requesting the resources.

2. A transmission method of a mobile station which is applied to a wireless communication system, in which a base station allocates resources used when said mobile station performs wireless transmission to said base station, and transmits a reference signal at a predetermined timing to said base station, said mobile station stopping the transmission of said reference signal when requesting the resources.