Patent ID: 9655141
Date: 2017-05-16
CPC Classifications: H04W,Y02D

Claim:
1. A user device for transmitting and receiving data to and from an infrastructure equipment via a wireless access interface, the user device comprising: circuitry configured to: receive an indication from the infrastructure equipment of a location and duration of a temporal response window for receiving response messages, the response messages being received in response to access request messages and the location and duration of the temporal response window having been determined by the infrastructure equipment, transmit an access request message for requesting access to the wireless access interface to the infrastructure equipment, receive a response message in response to the access request message from the infrastructure equipment in the temporal response window, associate an identifier with the user device, wherein the infrastructure equipment is configured to determine the location and duration of at least one of temporal response windows based upon the identifier associated with the user device and a predetermined rule, and determine the location and duration of the at least one of the temporal response windows based on the identifier associated with the user device and the predetermined rule.