A method and system for sending uplink authorization information

A technology of authorization information and sending method, which is applied in wireless communication, communication between multiple stations, electrical components, etc., to achieve the effect of solving timing problems and ensuring backward compatibility
CN102651663BActive Publication Date: 2016-12-14ZTE CORP
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
ZTE CORP
Publication Date
2016-12-14

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Abstract

The present invention discloses a method and system for sending uplink authorization information. The method includes: when the subframe configuration is switched, the downlink subframe with the subframe number n carries the uplink subframe with the subframe number m to be transmitted The uplink authorization information corresponding to the uplink data; wherein, n and m are natural numbers; the time interval x between the uplink subframe with subframe number m and the downlink subframe with subframe number n is greater than or equal to 4 milliseconds. In summary, after adopting the present invention, it can be well applied to the link from the base station to the relay node, without introducing signaling overhead, which not only ensures backward compatibility (compatible with the LTE system), but also solves the problem of relay link subframe Timing between uplink grant information and uplink data transmission during configuration handover.
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Description

technical field

[0001] The present invention relates to the field of wireless communication, in particular to a method and system for sending uplink authorization information. Background technique

[0002] After the introduction of RN (Relay Node, relay node) in the LTE-A (Long Term Evolution Advanced, advanced long-term evolution system) system, a new link is added, such as figure 1 As shown, the corresponding terms include: the link between eNode-B (evolved Node B) and RN is called backhaul link (backhaul link or relay link), and the link between RN and UE (UserEquipment, user equipment) The link is called an access link (access link), and the link between the eNode-B and the UE is called a direct link (direct link). When using inband-relay (in-band relay), the link from eNode-B to relay and the link from relay to UE operate on the same frequency resource. Because the inband-relay transmitter will cause interference (self-interference) to its own receiver, it is impossib...

Claims

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