Resource allocation method in wireless communication system and system
A wireless communication system and wireless resource technology, applied in the field of resource allocation, can solve problems such as inability to effectively respond to group call requests, inability to adopt some kind of interference suppression, etc., to achieve the effect of avoiding collisions and ensuring QoS
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[0026] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0027] Take an OFDMA system as an example, its time-frequency resources such as figure 1 As shown, a smallest rectangular unit represents a sub-carrier (vertical) within a symbol time interval (horizontal). We call it a time-frequency grid, or a resource unit, which represents the system The smallest unit of time-frequency resources. Generally, a time-frequency resource with a fixed size is regarded as a sub-channel and used as the smallest unit of resource allocation. When the base station allocates resources for a call request, it allocates appropriate time-frequency resources and appropriate power according to the characteristics of different call services to meet the QoS of the call call service, while trying to avoid the waste of bandwidth and power resources. The service can be a single call service or a group call service. Each base stat...
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