Exact(1)
The third is the evaluation and comparison for the outer user experiences, such as learning time, user support, interface user-friendly, operate convenience, and performance [15 17].
Similar(59)
The unicast users are divided into groups of inner users and outer users.
In the proposed schemes, we define groups of inner users and outer users.
In soft FFR, outer users would suffer interference from neighboring cells.
(1) Hard FFR: As shown in Figure 4, the BS transmits data to inner users by inner band F1, and outer users share the outer bands F2, F3, and F4 with outer users in neighboring cells.
In cell A, outer users receive data from RSs through the outer band (F2) with no interference.
However, as shown in Figure 11, the Soft FFR can provide more satisfactory services for the outer users.
In the first step, the BS transmits video layers to inner users and RSs, and in the second step, all RSs simultaneously transmit video layers to outer users.
For example, these BSs use F1 to transmit data to inner users, and use F2, F3, and F4 to transmit data to outer users.
Inner users are served by the BS with a lower reuse factor, and outer users are served by the RSs with a higher reuse factor.
In cell A, outer users receiving data through F2 have no interference from neighboring cells; only inner users could suffer interference through F1 from neighboring cells.
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